Cover: Otis in India IEE Expo Coverage

The Premier Magazine for the Building Transportation Industry in India

www.elevatorworldindia.com

IndiaELEVåTORWÅRLDIssue 2, Volume 3

Cover: Otis in IndiaIEE Expo Coverage

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CONTENTS2nd QuarterIssue 2, Volume 3

2010

ELEVåTOR WÅRLD

COLUMNS:Association22 Focus on Shanghai Association

Engineering54 Energy Efficiency of Lift Systems –

A Proposal for Energy Classificationby Dr-Eur.Ing Gina Barney

Events42 Workshop on Fire Lifts

by Snehal Toralkar

65 An International Perspectiveby M.J. Mohamed Iqbal

70 CiA at the IEE Expo in Mumbaiby Sudhir Abhyankar

Manufacturer Spotlight38 Otis in India

by Sameer Joshi

84 Hyundai Elevator: A Quarter Century of Operations

Public Safety34 Fire-Resistant Doors in the Context of Firefighters’ Lifts

by Sergio Biglino

78 Elevators for Improving Life Safetyby Samson Rajan Babu

Readers’ Platform32 More Attention Needed for Heavy Elevators

by Dr. Ali M. Albadri

68 Fire in High Rise Buildings: The Role of the Elevatorby Rajnikant Lad

Technology24 Hydraulic Elevators – Busting the Myths

by Parag Mehta

48 Analysis of Elevator Ride Quality and Vibrationby Gregory P. Lorsbach

66 Unraveling ACPM Machinesby Gary Wood and Palvinder Hayer

74 The Elevator Management System: A Nonproprietary Approachby Dinesh Musalekar

DEPARTMENTS:3 Editor’s Overview

6 Comments

8 Inside India News

16 Regional Industry News

88 Product Spotlight

90 Marketplace

91 India Source Directory

96 Advertisers Index

FEATURES:38 Manufacturer Spotlight

Otis in Indiaby Sameer Joshi

60 Events IEE Expo 2010by Prabodh Hamilton

ELEVåTOR WÅRLD

An Essential Toolby Robert S. Caporale, MSc

This month’s issue of ELEVATOR WORLD Indiacovers a broad range of topics that includes reports on industry events, equipment designand appli cation, and regional and inter nationalnews. Our cover story by Sameer Joshi describesthe Otis Elevator Co. operation throughoutIndia and provides a brief history of the com-pany, along with an update on one of its majorprojects. A report on the International Elevator and

Escalator (IEE) Expo 2010 by Prabodh Hamiltondescribes all of the activities that were includedin the event. In addition to numerous exhibitstands at which the event’s attendees were ableto view and discuss the industry’s latest productsand services, an extensive technical conferencewas held. And as reported by Snehal Toralkar, aworkshop on the use of elevators in fire emer-gencies was also organized and hosted by TAKMathews. EWI readers will see that this importantworkshop was a highlight of this year’s major Indian elevator industry event.Sergio Biglino’s article describes the design and

testing requirements for fire-resistant lift entrances.Samson Rajan Babu continued this theme withan extensive report on how best to design eleva-tor systems so they can better resist the ravagesof fire emergencies and remain operational forfirefighters during these events. These articlesare essential reading for our industry. Continued

Editor’s Overview

ELEVATOR WORLD India is a quarterly magazine published by Elevator World Inc., Mobile, Alabama (U.S.) and Virgo Publications,Bangalore (India). Virgo Publications is a sister organization ofVirgo Communications, the organizers for IEE – International Elevator& Escalator Expo. Elevator World, Inc. is the premier publisher forthe international building transportation industry. Since the incep-tion of ELEVATOR WORLD magazine in 1953, the company has expanded core products to include ELEVATOR WORLD India, an extensive network of websites, a bi-weekly e-mail newsletter (Elenet®)and the Source©, the most inclusive industry directory.

Publishers – Anitha Raghunath / Ricia Hendrick / T. Bruce MacKinnon

International Publishing Co. – Elevator World, Inc.Indian Publishing Co. – Virgo Publications

EditorialInternational Editor – Robert S. Caporale

Indian Editor – TAK Mathews India Correspondents – Mohamed Iqbal

EW Editorial Staff (U.S.) – Terri Wagner, David Clothier, Lee Freeland, Dee Browder, Elizabeth Pate

Printing and Commercial OperationsCommercial Directors – Anitha Raghunath and G. Raghu (India) –

Tricia Cartee (U.S.)

Advertising Sales and MarketingAnitha Raghunath and G. Raghu (India) – T. Bruce MacKinnon, Lesley K. Hicks, Scott O. Brown, Cleo Brazile (International)

Brad O’Guynn (Marketing)Robin Lawley (Education Products)

Anitha Raghunath, Michelle Hanks (Circulation)

Production and InternetEW staff (U.S.) – Lillie McWilliams, Bambi Springer,

Jessica Trippe, Brett Mouron, Torri Dixon (IT)

AdministrationAnitha Raghunath (India) – Linda Williams, Jeanna Kenny (U.S.)

ELEVATOR WORLD and ELEVATOR WORLD India are registeredtrademarks and all rights reserved. Copyright© 2010. For permis-sion to reprint any portion of this magazine please write to the pub-lisher at Elevator World, Inc., P. O. Box 6507, Mobile, Alabama36660, USA or at Virgo Publications, No:132 1st Floor, 5th Cross,Cambridge Layout, Bangalore - 560008.ELEVATOR WORLD India is published in the interest of the membersof the elevator industry in India, to improve communication within that industry and to further continuing education of members of that indus-try. ELEVATOR WORLD India publishes articles by contributing authors as a stimulus to thinking and not directives. ELEVATOR WORLDIndia publishes this material without accepting responsibility for its absolute accuracy, but with hopes that the vast majority of it will havevalidity for the field. The ideas expressed therein should be temperedby recognized elevator engineering practices, standards, codes andguidelines. Publication of any article or advertisement should not bedeemed as an endorsement by ELEVATOR WORLD India, ELEVATORWORLD, the publishers at Elevator World Inc. or Virgo Publications.Printed by Sri Sudhindra Offset Process, No.27-28, 8th cross,Malleshwaram, Bangalore - 560003, Karnataka, INDIA.ELEVATOR WORLD India will be published quarterly in 2010:February 1, May 14, August 16 and November 15. Advertising and subscription information is available atelevatorworldindia.com.

EWI SERVICESHow to Contact EW India• Elevator World 356 Morgan Avenue, Mobile, Alabama36606, USA; phone: (1) 251-479-4514; fax: (1) 251-479-7043; e-mail: [email protected] or [email protected]

• Virgo Publications #132, 1st Floor, 5th Cross, CambridgeLayout, Bangalore-560008, India; phone: (91) 80-2556-7028, (91) 80-4149-3996/7; fax: (91) 80-2556-7028; e-mail: [email protected].

News, Press Releases and Article Submissions• Submissions to be considered for publication shouldbe sent to [email protected] or [email protected]. Editorial space is non-paid; material is accepted based on newsworthiness or educational value and may be edited.

Advertising• Contact Anitha Raghunath at (91) 80-2556-7028 or [email protected] in India. Contact T. Bruce MacKinnon at (1) 251-479-4514, ext. 20 or [email protected] in the U.S.

EW Educational Bookstore• For educational books, posters, CDs, DVDs and videos,visit website: www.elevatorbooks.com.

The report on the theory, design and applica-tion of AC permanent-magnet machines is pro-vided by Gary Ward and Palvinder Hayer, andthis article is an educational piece for elevatorequipment designers and maintenance techni-cians. Continuing our mission to provide a diversespectrum of important information to the Indianelevator industry, we offer this issue of EW Indiafor all to study and enjoy. We are grateful to theelevator industry and to our Indian publishingand editorial partners who continue to assist us inmaking EW India what we feel is an essential toolfor the elevator industry throughout the world. �

Shop at www.elevatorbooks.com

Included with your subscription:• FREE Source© Directory* – The only international directory of elevator

industry manufacturers, suppliers, contractors, consultants, associationsand publications.

• 15% off educational materials at www.elevatorbooks.com.• Feature articles and column material from industry news around the

world.• The digital magazine includes enhanced features such as a search

function and immediate delivery on the first of each month – no morewaiting for it to arrive in the mail!

• Free EURO SOURCE Directory* of suppliers and manufacturers withinEurope or those that do business there.

PRINT MAGAZINE: DIGITAL MAGAZINE:INTERNATIONAL U.S. & INTERNATIONAL1 Year…$125.00 1 Year…$25.002 Year…$225.00 2 Year…$45.003 Year…$325.00 3 Year…$65.00

In print or digitalformat

ELEVATOR WORLD is the premier

publication for the international building transportation industry!

MagazineELEVåTOR WÅRLD

*The SOURCE© Directory is ONLY available to ELEVATOR WORLD

magazine subscribers. SUBSCRIBETODAY to receive your copy!

Visit elevatorbooks.com.

*Included within a 2010 issue of

ELEVATOR WORLD magazine.

Subscribers receive 12 monthly issues loaded with relevant and accurateindustry information including elevator/escalator maintenance, education,engineering, legal issues, new technology, safety, history, modernizationand much, much more. Exactly the same as the print, you can now getyour magazine in a digital version e-mailed to your computer the first ofevery month for ONLY US$25.00! Try a FREE sample at www.elevatorbooks.com.

ELEVATOR WORLD India • 2nd Quarter 2010 •6

Comments

We invite comments from our readers at either the followingpostal, e-mail or Internet address:

Postal: P.O. Box 6507 Mobile, AL 36660 USA

E-mail: [email protected]

Website: www.elevatorworldindia.com

ELEVATOR WORLD India reservesthe right to edit comments

for length and clarity.

CONGRATULATIONSCongratulations to each and every

one at ELEVATOR WORLD for the suc-cessful launch of the Virtual ElevatorEvent. It was amazingly thought outand well executed. I wish you all thevery best. Anitha RaghunathConvener – ExhibitionsVirgo Communications

& Exhibitions (P) Ltd.Bangalore, India [email protected]

ERRATA ON “RAMBLINGS OF AN OLDTIMER”

In K. Subramaniam’s article enti-tled “Ramblings from an Oldtimer”that ran in ELEVATOR WORLD India,First Quarter 2010, the following state-ments were incorrect as published.

On page 56, “It can be equatedand compared to the multi-lingualinstructions booklets” should haveread: “It cannot be equated and com-pared to the multi-lingual instructionsbooklets.”

On page 57, “Recently, one manu-facturer came out with a machinethat used a belt and an asynchro-nous motor, thus preventing the uncontrolled upward run that cannot

be achieved in a PM machine” shouldhave read: “Recently, one manufac-turer came out with a machine thatused a belt and an asynchronousmotor. With an asynchronous motor,preventing the uncontrolled upwardrun cannot be achieved as is beingdone in PM machine.”

EW India regrets any confusionthis may have caused.

CUTLINE CLARIFICATION In V.S. Sivakumar’s article entitled

“Johnson Installs Travelators atChennai Airport” that ran in ELE -VATOR WORLD India, First Quarter2010, the cutline of the photo ran as“The Johnson Lift factory.” EW Indiawould like to clarify that as “JohnsonLifts’ escalator factory.” �

elevatorw�rldindia.com

� Promote your company’s products and services

� Introduce new ideas

� Stimulate learning within your organization356 Morgan Avenue (36606)

P.O. Box 6507 Mobile, Alabama 36660 U.S.A.

Phone: +1 (251) 479-4514 Fax: +1 (251) 479-7043


Reprints can serve as a powerful promotional or sales tool – in-clude them with your brochures, newsletters, media kits or distribute them at trade shows.

Minimum quantities of 100 or more are available at a reasonablecost and can be customized with your company’s logo. For more in-formation and a price quote, contact Patricia Cartee.

Custom Reprints from Elevator World India

Elevator W�rld, Inc.PUBLISHER FOR THE INTERNATIONAL BUILDING TRANSPORTATION INDUSTRY


KONE TO INSTALL NEW SYSTEMSKONE Corp. currently has a strong presence in the

Asia-Pacific market and continues to grow annually.Given the demand for newer technology, the company isplanning to install destination-controlled software sys-tems to optimize traffic and waiting time. The productwill first be introduced in Mumbai with an initial cost 20%higher than that of normal installations, according toKONE’s President and CEO Matti Alahuhta.

Alahuhta added that the Asian market is important forKONE business growth because it demonstrates rapid urbanization and demographic change. While the com-pany’s annual business growth has been over 10%, theAsia Pacific region has shown more progress, with mar-ket share increasing from 11% to 17%. KONE is one of themarket leaders in India and has 2,500 employees at itsChennai plant. The south and west are also leading mar-kets, with growing residential business. This increasecontributes to the company’s growth. KONE currently hasseven R&D centers globally with 700 people, 300 ofwhich are located in India. Their current main focus is stillon energy- efficient technology. Continued

JOHNSON LIFTS RECEIVES AWARDJohnson Lifts Pvt. Ltd. of Chennai has been awarded

the IMC Ramkrishna Bajaj National Quality – PerformanceExcellence Trophy in the Manufacturing Category for2009. The award was received by V.M. Thomas, jointmanaging director of Johnson Lifts, on March 19, from Dr.Ashok S. Ganguly, Padma Vibushan and Member of Parliament, Rajya Sabha. The event was held at Y.B. Chavan Auditorium in Mumbai. The IMC RamkrishnaBajaj Quality Award (IMC-RBNQA) Trust also honoredMukesh Ambani, chairman and managing director at Reliance Industries Ltd., by presenting him with the IMCJuran Quality Medal for 2009. The winners had been announced by a panel of judges chaired by DeepakParekh, chairman of HDFC Ltd.

The IMC RBNQA is aligned to the internationallyrenowned Malcolm Baldrige criteria for business excel-lence. The award was instituted in 1996 by the IMCRBNQA Trust in order to give recognition to business excellence in organizations. The trust was created to fosterthe success of the program. Prominent leaders from Indian organizations serve as trustees to ensure that itsobjectives are accomplished. The members also confirmthe selection of winners based on the recommendationsof the panel of judges.

The IMC RBNQA is named after the late Shri RamkrishnaBajaj, former head of the Bajaj Group of companies. Bajaj

considered being a part of the nation-building process to be as important as running his business. The awardcriteria emphasizes openness and transparency in gover-nance and ethics; the need to create value for customersand the applicant’s business; the challenges of rapid innovation; and capitalizing on knowledge assets.

Assessment for the award is based on the evaluationof parameters emphasizing excellence in all businesspractices covering leadership, strategic planning, customerand market focus, measurement, analysis and knowledgemanagement, workforce focus, process management andbusiness performance results.

The award citation states:“[Johnson Lifts] uses its proprietary leadership qualities tointegrate and closely monitor all key areas of perform-ance effectively to get the best out of [its] highly motivatedemployees. Senior leaders demonstrate visionary leader-ship through example in all key areas.”

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Inside India News Continued

INDIAN RAILWAY STATION UNDERGOES CONSTRUCTION

According to The Times of India, the Hubli railway stationis undergoing additions and improvements including escalators. In addition, there will be separate and wide exitand entry points. The new building will be on an 8,000-square-meter area with parking facilities. The number ofplatforms will be increased from four to six once the newbuilding is in place.

MAN DIES FROM ELEVATOR ACCIDENTA 25-year-old man died as a result of an elevator acci-

dent in Udaipur on February 23. According to a report from24dunia.com, the man was trying to see when the eleva-tor was going up and was struck by the elevator. Anotherpassenger was injured when he tried to help the man.

EEST AT IEE EXPOThe Elevator Escalator Safety Trust (EEST) put up a

stall at the International Elevator and Escalator Expo (IEEExpo) 2010 and managed to reach a large audience. Whilea number of companies have affirmed that the Trust’s ini-tiative is the need of the moment in India, EEST FoundingTrustee TAK Matthews reports that no donations arebeing received. This is hampering the Trust’s activities.

On March 11, Mathews was interviewed by the incomeauthorities to establish a justification for the tax exemptionapplication put forth by EEST. It is expected that the taxwaiver certificate will be received by June. Interestingly,one of the questions the commissioner asked Mathewswas why the Indian elevator industry had not done any-thing so far in this direction.

INDUSTRY EQUIPMENT IN HYDERABAD OVERPASSES

Escalators and/or lifts are to be added to pedestrianoverpasses in Hyderabad. Such work has already com-menced at the LV Prasad Eye Hospital on Road No. 2, Banjara Hills; Rasoolpura; and Dilsukhnagar near Hanuman Temple. Future equipment installations are totake place at the Hyderabad Public School, Begumpet; St.Anns School, Secunderabad; RS Brothers at Ameerpet;and at the Khairatabad junction. Private advertising com-panies, to which the overpasses are leased, are report-edly constructing and installing the equipment. Operationand maintenance will also be handled by them for six to20 years.

DELHI STADIUM STATION TO GET ESCALATORS

The Delhi Metro Rail Corp. is renovating its JawaharlalNehru Stadium station in preparation of the Common-wealth Games 2010’s opening and closing ceremonies atthe stadium. Part of the project is the installation of fourescalators that will connect the concourse with the stadium.This would help the station cater to 4,000 passengers perminute in peak times. It has been designed to accommo-date a total traffic flow of 80,000 persons per hour, with aplatform area of 1,800 m2. The Delhi Metro will provideconnectivity to 10 out of 11 venues of the CommonwealthGames, to be held on October 3-14. Volunteers at the station will be assisting passengers at important trafficpoints, including the tops and bottoms of escalators.

COMPANY OPENS NEW OFFICE IN MUMBAIInterfleet Technology (India) Pvt. Ltd. an international

consultancy firm of the rail industry, has announced theopening of its first office in India. Thenew office will provide answers fromtraining and environmental issues torailway operations and infrastructure.Interfleet is currently providing quality-assurance services for the manufactureof metro vehicles for the Mumbai Metroproject. The firm is also involved withthe Delhi Airport Metro project.

Amit Ramteke will serve as regional manager of thenew office. He commented:

“The industry is well supported by the government, andthere are a number of projects currently being imple-mented. Several metro schemes are at different stages ofdevelopment, and a monorail market is also emerging.”

Ramteke

Inside India NewsSend to the editor: P.O. Box 6507, Mobile, AL 36660;

fax: (1) 251-479-7043; or e-mail: [email protected]

• Issue 2, Volume 3 • elevatorworldindia.com 11

CHOICE MARINA WITH GREEN TECHNOLOGY UNDERWAY

New York-based architecture and interior-design firmCetraRuddy announced in February that it had brokenground on Choice Marina, a high-rise residential resortcondominium property in Cochin, a port city in Kerala.Dubbed Choice Marina, the waterfront project is beingdeveloped by the Indian company Choice Group.

With 138,000 sq. ft. of total area, the 13-story complexconsists of two towers connected by core and serviceareas. Private elevators are included in the luxury ameni-ties, including a rooftop lounge and pool. Half of thecondo’s units were sold at a total of US$16 million duringan exclusive launch event at the site in December 2009.

The building has been designed for maximum energyefficiency and sustainability. To respond to the tropicalclimate, the towers are sited and oriented to reducesolar-heat gain and minimize the impact of monsoonswithout compromising views. Each tower will bear anarray of fixed and operable exterior screening and sun-shading devices to enhance the performance of the curtain wall and further improve energy efficiency. Occu-pancy is slated for July 2011.

ENVIRONMENTAL EXCELLENCE AND DEVELOPMENT PROGRAM

KONE discussed its program on environmental excel-lence and development on February 25, in Chennai. KONEPresident and CEO Matti Alahuhta was present and com-mented, “We have created a fully new segment [of] machine-room-less elevators, and have been [one] of theinnovation leaders in this segment ever since.” Accordingto KONE, buildings consume 40% of the world’s energyand elevators account for up to 10% of a building’s energyneeds. Therefore, the need for sustainability has beenrecognized and is being innovated in the industry’sequipment. The most significant part of a KONE product’slife-cycle impact on the environment takes place whenthe product is used, not during its manufacture.

Neeraj Sharma, managing director of KONE ElevatorIndia Pvt. Ltd., added:

“We have also been pioneering regenerative solutionsthat can recover up to 35% of the total energy consumedby elevators. Through our technological capabilities, wehave been able to regenerate power back to the owner’ssupply network and reuse it to power other equipment inthe building.” Continued



SNAKES ON AN ESCALATORV. Jagannathan recently notified ELEVATOR WORLD

India of a python inside of a Mangalore escalator. Thenapping creature had apparently slept through six othercomplete escalator installations on the premises. “Snakecatchers” were organized to carefully extract the 10-foot-long reptile. Fortunately, no one was hurt, and the snakewas released back into its nearby jungle home.

ELEVATORS TO TRAVEL 28 STORIES IN 32 SECONDS

According to Mid-day.com, the Municipal Corp. ofDelhi (MCD) is expecting to receive some of the fastest elevators in India for its 112-meter-tall building. The civicbody (which is presently housed in Chandi Chowk) willmove to a new location in Central Delhi. The move datewas not scheduled as of press time. The MCD purchased43 elevators for the project. Fourteen of the 43 elevatorswill be among the first of their kind in the country andmove at speeds up to 3.5 mps. The lifts will also have acapacity of 20 passengers. An additional 14 elevators willmove at speeds up to 2.5 mps and also have a 20-passengerlift capacity. The remaining 15 elevators will travel at aspeed up to 1.5 mps.

PROPOSED INCREASE OF FEES IN MUMBAIAccording to DNA India, a 135% increase in fees for scru-

tinizing building proposals has been proposed for Mumbai.Brihanmumbai Municipal Corp. (BMC) has put forth thefee that would apply to all construction-related proposals,including those for constructing new buildings, additionsor other alterations. Even areas not counted in the floor-space index (FSI) will be included in the charges.

Sunil Mantri, vice president of the Mumbai Chamber ofHousing Industry, said that FSI-free components accountfor 25% of the built-up area: “The cumulative [effect] willbe that the scrutiny charges will be effectively doubled.”

MAN DIES IN MUMBAI HOTEL ACCIDENTA 61-year-old Bhopal man died from injuries he sus-

tained when he fell in an elevator hoistway at a Mumbaihotel on February 26. According to the Indian Express, theman had accompanied an injured friend to Mumbai to assist him with a hospital visit. While at the hotel, the manentered the hoistway through the open hallway doors onthe third floor, but the car was not present at that level.Following an investigation, police found a case of negli-gence in the operation of the elevator and arrested thehotel owner and manager. According to the report, themanager was responsible for the proper maintenance ofthe elevator.

TWO INJURED FROM LIFT FALLIn January, a recently installed elevator fell in a Surat

building, injuring two people. Four passengers enteredthe elevator, and as it reached the second floor, the doorsopened and the lift collapsed into the hollow space belowthe ground floor. This is the second incident involvingthis particular lift since its installation in late 2009. Priorto the lift falling, two passengers were trapped in it forfour hours when it became stuck.

HIGH RISES FOR PUNEAccording to the Pune Mirror, four proposals for high-

rise buildings have been submitted to the Pune MunicipalCorp. for contruction. Erection of a 100-meter building,named “God’s Blessing,” has already started in the city’sKoregaon Park. The Maharashtra government began allowing skyscrapers with a height between 40 and 100meters to be built in the city in 2008. Continued



NEW MASTER PLAN FOR MANGALOREThe Mangalore Urban Development Authority (MUDA)

recently unveiled its new master plan for city develop-ment. P.G. Ramesh, commissioner of MUDA, said that themajority of the 30,600 hectares available in the Mangalorelocal planning area has been earmarked for the total urbanization process. Of this, 11,317.59 hectares(46.66%) has been set aside for residential purposes. Dueto recently implemented government regulations, themaster plan will consider buildings exceeding 18 meterstall high-rise buildings. MUDA predicts that the masterplan will be implemented within two years.

Shankar Bhat, mayor of Mangalore, stated: “The city was just getting over a great slump in the

real-estate and construction industry for the last six years,and things have started looking up for it since the begin-ning of this year. Big builders from Mumbai and Bangalorehave started expanding into Mangalore, which is seen asthe next engine of growth for Karnataka. Mohtisham ofMumbai, Prestige, Nitesh and Sobha have considerablepresence in the city already. One of the largest. . . high-riseapartment buildings was being promoted by a joint venturebetween Sobha and Prestige group of Bangalore at Derebail.There are many builders who are coming with big moneyinto Mangalore. . .”

According to Mangalorean, regulations have beenprompted in part by 47 high-rise buildings in Mangalorehaving been stamped unsafe and illegal by the Urban Development Department. Additionally, two major fireaccidents in high-rise buildings in the last 18 months hasopened all multistory buildings for scrutiny by the fire department, which has stated that over 50% of high risesare fire-hazard prone. �

MUDA presents its new master plan for Mangalore.

LIFT ACCIDENT TAKES LIFE OF SIX-YEAR-OLD GIRL

On April 18, a six-year-old girl died as a result of injuriesshe sustained when she became trapped between thedoor and the gate of a moving elevator in her residentialbuilding in Dharavi. The Times of India reported the girlwas on her way to church services with her parents andsiblings when the incident occurred. According to the report, the girl “ran out of the house and pressed the buttonfor the lift to come up to the fifth floor.” Her mother statedshe then saw the girl step into the lift, and it began to descend. The father added that the elevator returned tothe fifth floor with his daughter “stuck in the doors.” Shedied before fire brigade rescuers could free her. While acase of accidental death was registered, police are inves-tigating the incident to determine if negligence on the partof the operators or maintainers of the equipment playeda role in the accident.

FACTORY GETS CERTIFIEDThe Fermator Group factory in India has been certified

under the standard UNE-EN-ISO 9001:2008. This certifi-cation process reaffirms the company’s policy aimed atmaintaining quality standards in production and distribu-tion of automatic doors for lifts.

MUMBAI WOMAN DIES AFTER FALLING DOWN HOISTWAY

According to The Times of India, a 50-year-old womandied on March 23 as a result of injuries she received afterfalling down an elevator shaft in a Borivli, Mumbai, build-ing. Though recently serviced, the elevator did not haveits car at the third-floor landing when the woman attemptedto enter. It was two floors above, and as a result, thewoman fell 35 feet down the empty shaft. The case wasinitially registered as an accident by the police, but it remains under investigation.

INDIAN GOVERNMENT APPROVED 22-STORY HOSPITAL

According to dnaindia.com, the Ahmedabad state government approved the development of a 22-story specialty hospital near Thaltej in January. The urban development department also approved the project to bein an R2 zone. In the future, it may get converted to an R1zone, which suggests that high-rise construction can beexpected in the region. Once the hospital is complete, itwill reportedly be the second-tallest building in the city,next to the Patang hotel on the city’s western side.

Inside India NewsSend to the editor: P.O. Box 6507, Mobile, AL 36660;



MELBOURNE HIGH-RISE CONSTRUCTIONConstruction on a 67-story building by Tony Brady is

scheduled to begin in Melbourne this year. DeveloperLorenz Grollo, who owns the 60-story Rialto Towers onCollins Street, also intends to build in the city. In the faceof an expanding population, better use of available cityland and higher buildings have been recommended tomaintain the city’s livability and halt its urban sprawl.

Australia

PROPOSED HIGH-RISE BUILDINGSDhaka City Corp. in Dhaka, has proposed a project to

construct 45 15-story buildings at Mohammadpur. Aftercompletion, the project will provide permanent housingfor 38,667 families. The proposed project plans to buildthe high rises on 15 acres of land at the Town Hall areaand Geneva Camp was discussed at a meeting in March.Dana Media, the organization that made the architecturaldesign of the project, presented various aspects of theproject during the same meeting. The project is expectedto be complete within four years once construction hasstarted.

Bangladesh

China

INJURIES FROM LIFT ACCIDENTNine athletes from Nepal and an official were injured

in January when a lift fell from the third floor in a hotelnear the Bangabandhu National Stadium in Dhaka. Thecapacity of the lift is 10, but 17 passengers got into the elevator cab, according to a hotel assistant manager. Theathletes were in Dhaka for the South Asian Games.

OTIS HONG KONG RECOGNIZED FOR COMMUNITY SERVICE

For the fifth consecutive year, Otis Elevator Co. (H.K.)Ltd. was recognized with a Caring Company Award fromthe Hong Kong Council of Social Service (HKCSS) for itscommunity service. A Five Consecutive Years logo was

Otis employees and newly immigrated children play softball.

also awarded to commemorate the milestone. The CaringCompany recognition program, introduced by HKCSS in2002, seeks to build a caring community by cultivating cor-porate citizenship and promoting strategic partnershipsamong business, public and non-profit organizations. Tobe recognized, companies need to meet three criteria: car-ing for the community, caring for employees and caringfor the environment.

Otis Area Director for Hong Kong and Taiwan TomVining stated:

“We take great pride in receiving this award yet again asit truly highlights the strong focus we have placed on pro-moting community involvement among our employees.We have always believed it is our corporate responsibilityto give back to the community, especially to those whomost need our support. The award and the new logo rec-ognize our success in building a caring corporate cultureand the dedication of our employees.”

Since 2005, Otis’ volunteers have actively pursued anddeveloped community programs targeted at helping the needy and underprivileged. In 2009, its VoluntaryCommittee organized 10 activities, and more than 370employees and their families contributed more than 1,180voluntary hours to assist the elderly and children in need.

In caring for its employees, Otis has taken a proactiveapproach to offer a range of benefits, which includeparental leave, textbook subsidies for employees’ children,


HITACHI’S 1,080-MPM LIFTAccording to Dvice, Hitachi is installing a new 1,080-

mpm lift in its 698-foot G1Tower in Hitachinaka City. Requiring air-pressure-control technology, the 40.26-mile-per-hour unit has been dubbed “the fastest in the world,”though it is only slightly faster than the fastest elevatorsin the Burj Khalifa. The tower is being constructed byHitachi specifically for testing elevators. Its constructionwas expected to be complete in April.

the Central and Western District Office, Kwun Tong District Office and District Lands Office. Anyone wishingto object to the proposed project should write to the HongKong Secretary for Transport and Housing at 16/F, Murray Building, Garden Road, Hong Kong on or beforeMarch 16.

MITSUBISHI SYSTEM TO SAVE 10% MORE ENERGY

Mitsubishi Electric Corp. announced in January that ithas developed a new multi-elevator smart-control tech-nology that can reduce energy consumption by up to 10%compared to current elevator systems. Designed to cutenergy costs without sacrificing passenger convenience,the technology is to be included in the company’s eleva-tor systems starting this month. Installation will beginwith limited models, then gradually extend to others inMitsubishi’s product line.

With this technology, when someone pushes an ele -vator button, the system selects the elevator that bestbalances operational efficiency and energy consumption.Selection is based on each elevator’s potential energyconsumption according to its current location and pas-senger load. The system also predicts congestion levelsthroughout the day, performing such operations as priori-tizing operational efficiency during peak usage in morningand evening rush hours and at lunchtime, while prioritiz-ing energy efficiency during non-peak hours. In the lattercase, the average wait time in a common office buildingis no more than 1-1.6 seconds longer than the current average wait of 20 seconds. Energy-efficiency parameterscan be selected manually, and elevators can also be set toproceed nonstop to the lobby floor to accommodate largecrowds during special events. Continued

Japan

flexible-work arrangements and special bonuses for em-ployees with newborns. To further extend its care to em-ployees’ families, Otis dedicates one day every year foremployees to bring their sons and daughters to the office,with the aim of increasing the children’s understanding oftheir parents’ work environment.

The company noted that it invests in research and development to improve per-formance while safeguarding theenvironment. In addition, Otispresents its annual “Environ-ment, Health and Safety Day,”while the company’s environ-mental management systemand processes strive to ensurethe proper disposal of pollutedmaterials and minimize its en-vironmental footprint. Otis hasalso attained ISO 14001 Envi-ronmental Protection Manage-ment System certification.

Otis employees and the elderly participated in the Hong Kong Christian Service Walkathon 2009 despite a heavy rain.

An Otis employee helps a lady withchronic illness paint her house.

ELEVATED WALKWAY PROPOSED AT KOWLOON BAY

The government in Hong Kong has published a noticeof its plans for an elevated covered walkway system toconnect the Mass Transit Railway Kowloon Bay Stationwith the Kowloon Bay Industrial Area and Telford Gardens.The 550-meter-long walkway system will include escala-tors, elevators and associated staircases. In addition, theproject will involve the modification of a section of WangHoi Road near its junction with Sheung Yuet Road. Themodification will include a pedestrian crossing, landscap-ing and drainage works.

Project plans are available for public inspection at sev-eral government locations during office hours, including

Regional Industry NewsSend to the editor: P.O. Box 6507, Mobile, AL 36660;


ELEVATOR WORLD India •2nd Quarter 2010 •18

Regional Industry News Continued

PLAN APPROVED FOR RAILWAY NETWORKThe Kuwait Municipality has approved plans for a

US$25-billion regional railway network. The commerceministry’s transport department is scheduled to holdmeetings within the next few months with other mini -stries before publishing the first tenders of the project. Anumber of technical studies such as location of branchstations and manpower numbers for construction still needto be determined before work can begin. The 135-km-longrailway line will connect Kuwait and Saudi Arabia, begin-ning at Sulaibiya and ending in Nuwaiseeb. The commerceministry has already received approval to appropriateland for the project, which will be finalized on a build- operate-transfer basis. Reported by M.J. Mohammad Iqbal.

Kuwait

ELEVATOR RESEARCH TOWERHitachi, Ltd. recently announced that it had planned to

complete the G1 Tower research tower in April (ELEVATORWORLD, March 2010). As of March, the tower was stillunder construction. The 231-meter-tall G1 Tower is an elevator R&D and manufacturing base in Hitachinaka City,Ibaraki and is said to be one of thetallest elevator research facilitiesin the world. Hitachi will utilizethe tower to conduct verificationtests with speeds up to 1,080 mpm,in addition to product develop-ment targeting some of the world’sfastest high-capacity elevators. Itwill also develop vibration suppres -sion control devices and internalair-pressure adjustment devices tofurther improve riding comfort dur-ing high-speed operations. Hitachialso plans to undertake develop-ment of technologies aimed at re-ducing the space required for elevator shafts and reducingthe weight of elevator cars. The tower will also be used totest products for large-scale and high-rise buildings.

Hitachi also plans to complete a 172-meter-tall researchtower in Shanghai, which will be one of the tallest of itskind in China. The tower will be used to conduct devel-opment aimed at expanding Hitachi’s line of high-speedelevators within the Chinese market.

NEW REPORT ON CONSTRUCTION MARKETResearch service Frost & Sullivan has released a new

report. “Strategic Analysis of Building Construction Market in Malaysia” looks at the challenges faced by theindustry, what drives and restrains the market and itssize, plus pro vides building forecasts. The report analyzesboth the residential and nonresidential building construc-tion markets.

The Malaysian construction industry is growing due to commercial and residential projects, industrial andmanufacturing facilities, and expanded and additionalairports and other transportation hubs in recent years.According to Research and Markets, which includes thereport in its latest offerings, “Success in the building con-struction market largely hinges on participants’ ability tointegrate solutions...” These solutions include energy efficiency, environmental impact, financial strength,worker skills and technology. For more information, visitwebsite: www.researchandmarkets.com/research/8c1403/strategic_analysis).

Malaysia

TOSHIBA ELEVATOR TO DOUBLE TURNOVERAt a press conference in Dubai in March, Shunichi

Kimura, global president and CEO of Toshiba Elevatorand Building Systems Corp., Japan, outlined the com-pany’s plans to double its turnover in the Persion Gulf/India region in less than five years. The increase is expected to be driven by strategic expansion in the areafacilitated by the U.A.E.’s “strong signs of recovery, as reflected in new contracts won by Toshiba Elevator,”wrote Eye of Dubai.

Kimura said that Toshiba Elevator expects to garnerprojects worth over AED300 million (US$81.7 million) in2010-2011 in Dubai and Abu Dhabi. Several more projectsare in the bidding process. Last year, the company com-pleted projects worth over AED100 million (US$27.2 million)in Reem Islands’ Marina Square in Abu Dhabi, involving126 elevators in 13 towers. This year, it received an orderworth AED140 million (US$38.1 million) that includes atleast 22 high rises in Reem Islands’ City of Lights.

Kimura explained:“Toshiba Elevators has been active in the U.A.E. for thepast five years and has done quite well, having executedprojects worth more than AED300 million (US$81.7 million). . . . We are sure [that] in less than five years, thisplace will boom again. . . . Our goal is to make ToshibaElevators one of the top five players globally. In this strategy, the Middle East and India will play a big role.”

Middle East

Regional Industry NewsSend to the editor: P.O. Box 6507, Mobile, AL 36660;



Kimura also revealed that talks with a partner in Omanfor launching operations there were in their final stages.Additionally, Toshiba Elevators plans to open offices inSaudi Arabia and Qatar with local partners.

LARGE PROJECTS PLANNED IN CEBUIn January, SM Prime Holdings Inc. signed an agreement

with the City of Cebu to acquire 30 hectares at SouthRoad Properties. According to philstar.com, the developerplans to build a 250,000-square-meter shopping mall andother projects at the site. It is also planning another mallin the northern part of Cebu. SM Prime Holdings PresidentHans Sy announced at the signing that the South Roadproject would also include two hotels, high-rise condo-minium buildings, a 20,000-square-meter convention center,a hospital and educational facilities. He also explainedthe developers choice of Cebu as the site of the projectwas due to how the area “is being managed.”

The shopping mall is expected to be completed inabout two-and-a-half years, followed by the hotels andcondominiums, the latter of which will house both resi-dential and commercial units. The remaining buildingswill be built later. While plans for the mall in the northernpart of the city were not finalized at the signing, it is expected this project will be built in about the same timeframe as the South Road mall.

Philippines

ELEVATORS IN BUSAN BUILDINGThyssenKrupp Elevator (Korea) recently signed a con-

tract to supply 42 gearless elevators ranging in speedsfrom 2.5-5 mps), seven machine-room-less elevators(three with speeds up to 1.5 mps and four with speeds upto 1 mps), and six geared elevators with speeds up to 1.5mps. The I-Park project located in Marine City, Haeundae,Busan, is composed of three residential towers, with thetallest reaching 72 stories at 292 meters. The project isexpected to be complete in 2011 and will be one of thelargest buildings in Busan.

Currently considered the tallest building, the CentumCity shopping center in Haewoondae, Basan, was alsosupplied by ThyssenKrupp Elevator (Korea) with 123pieces of equipment including eight gearless, 20 gearedand 11 MRL units; eight moving walks and 76 escalatorsat the complex.

South Korea

SCHINDLER TO SUPPLY ISTANBUL SUBWAYSchindler announced in February that it is to supply

339 escalators and elevators for a new subway system inIstanbul. According to the company, the 22-kilometer

Turkey

OUB TOWER 2 CONSTRUCTION PROGRESSES

Construction of the Overseas Union Bank Centre (OUB)Tower 2 is progressing and should be complete in 2011.The original OUB Tower, completed in 1988, was designedby Japanese architect Kenzo Tange and stands 280 meters high. The OUB Tower 2 is expected to reach 205meters with 38 stories and will be designed by PaulTange, Kenzo’s son. The whole complex will be renamedOne Raffles Place and provide office space. The two towers will be close to each other. The new tower willmeet environmental criteria, being Green Mark certified.

Paul Tange said of tower 2:“The new tower is very faithful to the proportions of theoriginal tower. The diagonal planes of the new buildingrelate directly to the spacing of the windows in the origi-nal OUB Centre, while the triangular peak is exactly thesame height as the lower level in the original tower.”The triangular patterns on the façades give a prism-

like effect and make the building seem less regularlyshaped than it first appears. This is emphasized by theway the outer façade touches the ground at an acutepoint and the way the top section of the skyscraper leanstowards the complex.

Singapore

SCHINDLER ACQUIRES SAUDI ELEVATORSchindler recently announced that it had acquired

100% of the shares of Saudi Elevator Corp. Ltd. Theagreement was, however, still subject to the approval ofthe Saudi Arabian authorities. Schindler remarked of thedeal, “The acquisition strengthens the position of theSchindler Group in the Gulf region’s largest market.”

Saudi Arabia

GOVERNMENT TO ISSUE FINES TO HIGH RISES

According to The Nation, as of January, the Punjab government had plans to regularize 160 illegal high-riseplazas in Lahore by issuing fines. This is a major shift inthe demolition operation that was launched by the direc-tives of CM Punjab Shahbaz Sharif following the SupremeCourt’s orders. The fines are proposed to replace thedemolition plans. Sources privy to development revealedthat the Lahore Development Authority had constituted acommittee to regularize the illegal plazas and plans to takestock of the infringements in their construction, in additionto providing recommendations on the imposing fines.

Pakistan

Continued

ELEVATOR WORLD India •2nd Quarter 2010 •20

Regional Industry News Continued

Kadikoy-Kartal line will provide a transport axis for theheavily populated Asian half of the city. Signed last year,the contract consists of 272 escalators and 67 elevators.

The units are due to be installed in the 16 stationsalong the Kadikoy-Kartal line by the end of 2010, beforethe system is handed over to city authorities at the end ofMarch 2011. The escalators measure 3 to 20 meters inlength and are fitted with special materials and features,such as stainless-steel landing platforms and balustradesto provide protection from the elements. Most of thoseinstalled indoors have glass balustrades, and some havesteel on one side and glass on the other.

The new line is part of a major expansion of the city’s public-transport network aimed to ease congestion.Schindler has already supplied escalators for Istanbul’smain airport, as well as for stations along another metroline that runs under the Bosphorus.

CITY TO FACILITATE TRAFFIC FLOWThe Municipality of Abu Dhabi City has completed the

installation of modern elevators at some pedestrianbridges in the main traffic detour areas on Al SalamStreet. Elevators were installed on three of the pedestrianbridges, the first near Le Meridian hotel, the second onRoad No. 10 between Hamdan Street and Mina Road, andthe third near Abu Dhabi mall. The Municipality of AbuDhabi City also opened a U-turn access at Mina Road.The right lane that links Mina Road with Corniche Roadhas also been opened to help facilitate traffic in areas affected by construction.

United Arab Emirates

TOSHIBA ELEVATOR’S PLANS FOR THE GULF REGION

Delegates from Japan’s Toshiba Elevator & BuildingSystems Corp., including President and CEO ShunichiKimura, recently visited Dubai. Kimura visited manyplaces, in particular, Al Reem Island, Abu Dhabi, where122 Toshiba elevators are installed.

On March 28, Kimura outlined the company’s plans todouble its turnover in the Persian Gulf region in less thanfive years. To be driven by strategic expansion in the Gulfand India, the plan is to take advantage of what Kitamuracalled the U.A.E.’s “strong signs of recovery.” These, hesaid, are reflected in new contracts won by Toshiba Elevator. Kimura also stated that the company expects toexecute projects worth over AED300 million (US$81.7million) in 2010-2011 in Dubai and Abu Dhabi. Severalmore local projects are in the bidding process.

The press conference was attended by the following Toshiba leaders: (l-r) Installation General Manager Mr. Fukazawa; Executive Vice President, Manufacturing and Production, Aoki Kanda; Executive Director, DMCORoyal Group Co. (Toshiba Elevator exclusive distributor for the U.A.E.) Mohamed Iqbal; President and CEO Shunichi Kimura; General Manager,Overseas Operations Katsuhiko Iwasaka; General Manager, DMCO V.Abubacker; and Resident Toshiba Elevator Manager in U.A.E. Mr. Hirayama.

Abu Dhabi has emerged as the key market for ToshibaElevator. Last year, the company completed projectsworth over AED100 million (US$27.2 million) in Reem Islands’ Marina Square, involving 126 elevators in 13towers. So far this year, it has won a new order worthAED140 million (US$38.1 million) in Reem Islands’ City ofLights, covering more than 22 towers.

Kimura also revealed that talks with a partner in Omanfor launching operations there were in their final stages,and that an announcement would be made very soon.Plans for opening offices in Saudi Arabia and Qatar withlocal partners have concurrently been made. In India,talks with large industrial houses for a possible partner-ship are ongoing.

Toshiba executives meet with the press.

Kimura explained:“Our goal is to make Toshiba Elevator one of the top fiveplayers globally. In this strategy, the Middle East andIndia will play a big role. The next five years entail a chal-lenge, as well as an opportunity for Toshiba Elevator tomake it to the big league among global players.” �

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Associations

The Shanghai Elevator Trade Association (SETA) wasestablished in August 1988 as Shanghai Elevator Associ-ation. In March 2003, it changed its name to the currentone. The association now has more than 280 members,including elevator manufacturers, installers, repairers,maintenance companies, universities, colleges, architec-tural designers, government departments, property admin-istrators and real-estate industry people. The group aimsat implementing government rules and regulations, whilepromoting the development of industry technology andenhancing industry synergy.

As “the bridge between government and [the] elevatorindustry, and between association members,” SETA pro-motes itself through the Shanghai Elevator and ShanghaiElevator DM magazines (of which translations into English and Japanese are available), in addition to itswebsite (www.sh-ea.net.cn), which is now in both Chinese and English, and includes a comprehensive com-

ponent directory. Implementing joint training is anotheraspect of SETA’s work. This training focuses on new elevator technology, products and crafts; elevator instal-lation, repair and maintenance; and supervision qualifi-cations. Its Elevator Experiment Tower furthers this armof the association’s efforts. SETA also aids its members inthe connection between related associations and the localchambers of commerce. Group insurance (now covering58 companies) is yet another service it offers.

SETA uses evaluation analysis, feedback improvements,customized communication and marketing planning toenhance its service and create more business opportunitiesfor its members. In addition to going overseas to explorebusiness opportunities for its members, the associationalso organizes its members to participate in internationalelevator and escalator exhibitions. With a vision to broadenthe magazine’s readership both domestically and interna-tionally, establish greater cooperation with other elevatorassociations and jointly develop the industry, SETA hasplanned to be there for our industry for the long haul. �

Focus on Shanghai Association

MEMBER CONGRESS COUNCIL SECRETARIAT

OFFICE TRAINING MEDIAREPAIR&MAINTENANCE COMMITTEECOMPONENTS COMMITTEETECHNOLOGY COMMITTEESAFETY&QUALITY COMMITTEEMANUFACTURE COMMITTEEINSTALLATION COMMITTEE

How SETA is organized

Elevator installation, repair &maintenance companies 53%

Elevator components companies 24%

Others11%

288MEMBERS288MEMBERSElevator manufacturing companies 12%

A breakdown of SETA’s current membership

Componentscompanies

Elevatorcompanies

Installation ,repair&maintenance

companies

Real estate companies

Propertyadministration

Top brands and others

0% 20% 40% 60% 80%0% 20% 40% 60% 80%100%100%

12%12%

6%6%

46%46%

27%27%

5%5%

4%4%

A graph of where SETA’s magazine reaches

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Technology

AbstractHydraulic elevators dominated the elevator market for

50 years until the beginning of the 21st century. The Indian elevator industry has grown many folds in the pastdecade, becoming the focus of major elevator and origi-nal equipment manufacturers worldwide. Although themajority of the installations done in India are of the traction/machine-room-less (MRL) type, hydraulic elevators havealso been around for many years and have gained marketshare in the past five years. As hydraulic elevators havetheir distinct advantages (such as low maintenance costdue to wear-free driving components, flexibility of car andmachine-room design, safety features, and cost-effectiveinstallations); they are an appropriate choice for low-risebuildings, home lifts and car parking applications. Thisarticle attempts to clear some of the myths about hydraulicelevators and give an insight about this technology.IntroductionHydraulic elevator installation in India is not even 10%

of the total elevators installed countrywide. The generalopinion about hydraulic elevators is often influenced bymisconceptions, which exist due to a lack of basic under-standing of the technology. Often, investigations revealthat a hydraulic elevator that does not perform satisfac-torily is usually the wrong equipment for the application.The practice of putting a power unit together by trial anderror and learning-by-doing methodology results in an elevator installation that offers problems and unsatisfactorytravel comfort. When a hydraulic system fails, a generaltendency is to blame everything other than the systemdesign, which in most cases is the root cause of the prob-lem. The most important outcome from such blame is abad reputation that hydraulic elevator technology earns,which, at times, is very difficult to reverse. For a hydraulicelevator to offer optimum performance, the power-unitdesign is the single most important factor and is wherethe most emphasis should be given. What Is a Hydraulic Power Unit?A hydraulic elevator is powered, driven and controlled

by a series of components collectively called a powerunit. Each component in the unit performs a task that canbe independent or related with each other. A unit maycomprise of a motor, hydraulic pump, tank, filters, flow-control valve and related hydraulic accessories. Cylindersare often referred separately.

Figure 1 shows a power unit that is made of variouscomponents. Each and every component has a uniquerole in the functioning of the unit. A power unit wouldfunction well if all components needed are rightly selectedand properly adjusted. Myths about Hydraulic ElevatorsIf the design of the elevator system is carefully and

thoughtfully done, most of the myths about the hydraulicelevators would not exist. Some of the myths that oneoften hears about hydraulic elevators are:� Hydraulic elevators are not good for a warm climatelike that of India.

� Hydraulic elevators have poor travel characteristicsand riding quality (i.e., jerky starts and stops, as well asfrequent releveling while loading).

� Hydraulic elevators are not environment friendly. � Hydraulic elevators consume more power than othertypes of elevators and are not economical.

� Hydraulic elevator installation means dealing with oilspillage.

� Hydraulic elevator technology is complicated and requiresexperienced personnel for servicing.

Warm Climate and Hydraulic ElevatorsIn 1973, hydraulic elevator production overtook the

total traction production, more than doubling that of traction elevators each year since the mid 1980s. In 1986,approximately 70% of the all elevator units sold for newbuildings in the U.S. were of the hydraulic type. Until2000, hydraulic elevator production remained at three-to-four times that of traction elevators. These statistics areonly for the National Elevator Industry, Inc. (NEII) member

Hydraulic Elevators – Busting the Mythsby Parag Mehta

Figure 1: Power unit of a hydraulic elevator

Continued

Cylinder

TankSubmersiblemotor

Submersiblepump Tank heater

Piperupturevalve

Ball valve

Flow control valve

Micro levelingdrive

Solenoidoperatedcheck valve

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Kinetek India | Nashvinder Singh, India Sales Manager

[email protected] | nashvinder, Near Kisan Cold Store, Hoshiarpur – 146001 Punjab, IndiaStreet No.1, Anmol Nagar

Kinetek India | Nashvinder Singh, India Sales Manager

kinetekinc.com, Near Kisan Cold Store, Hoshiarpur – 146001 Punjab, India

, Near Kisan Cold Store, Hoshiarpur – 146001 Punjab, India

Travel Characteristics and Hydraulic ElevatorsJerky starts and stops, as well as frequent releveling on

loading, are some of the misconceptions that are oftenassociated with hydraulic elevators. These kinds of mythsexist because of the following:1) Elevated temperature of the hydraulic oil2) Friction and alignment problems in guide rails3) Friction in the cylinder seals4) Wrong adjustment in the flow control valve5) Wrong flow guides in the bass pass chamber of theflow control valve

6) Longer switching time of the motor from star to deltaA friction and alignment problem in the guide rails is an

installation failure and has no connection with the power-unit design. Even a traction elevator would encounter asimilar problem if the commissioning of the elevator is not

done correctly. Similarly, the wrongadjustment of the flow control valveand the wrong selection of flow guidesare failures, which can be avoided bysimply studying the product properlyand understanding its working prin-ciples and adjustments. Additionally,by using soft starters, jerks experi-enced in the start due to star-deltaswitching can be avoided. Keeping theoil temperature within the requiredtemperature range is something thatcan be mostly managed by adjustingthe flow control valve properly. Awrongly adjusted flow control valve,whereby the startup (bypass time) andleveling time is longer than expected,heats the oil un-necessarily (Figure 3).Additional issues that can cause theoil temperature to rise are: Continued


Technology Continued

companies. Certainly, many more hydraulic elevators havebeen installed by non-NEII member companies through-out these years (Figure 2).Many other countries in the world have warm summers

and mild winters like India. Greece, Spain and some partsof the U.S. are good examples of that. Less than fouryears ago, 80% of the total elevators installed in Greeceand 50% of the total elevators installed in Italy were hydraulic. If hydraulic elevator installation can work sat-isfactorily in such countries, why can’t it work in India? Inaddition, hydraulics are used extensively in the Indian industry, so why should the warm climate only createproblems for hydraulic elevators?It’s the not the warm climate, but, instead, improper

system designs and wrong adjustments in the flow con-trol valve that are mainly responsible for failures.

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Figure 2: Elevator production between 1980 and 1998 in NEII member companies(1)

(a) (b)Figure 3: Travel curves of a hydraulic elevator (a) correct bypass and leveling adjustment (b) incorrect (longer) bypass and leveling adjustment

Hydraulic

Geared

Gearless

16000

14000

12000

10000

8000

6000

4000

2000

080 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98

Year

28


1) Too long piping and turbulent flow in the circuit2) Frequency of elevator runs too high for the rate of heatdissipation from the installation

3) Inadequate machine-room ventilation.The previously addressed problems can be easily

avoided by selecting a pipe or hose adequate for the application. The selection of the pipe should be made according to the application as there are recommendedvelocities of oil flow for various categories, i.e., for suc-tion line it is 0.48-1.5 mps (1.6-4.9 fps), for pressure lines2.98-10 mps (9.8-32.8 fps) and for return lines 2-5 mps(6.6-16.4 fps). Properly designed hydraulic elevator systems can

comfortably handle heavy traffic like that found in shop-ping malls or airports. However, such a power unit has to be designed and configured while considering thenumber of calls it would execute in a given time and theenvironment in which it is going to be operational. Mostof the heat generated is supposed to be dissipated in themachine room; therefore, it is extremely necessary thatthe machine room have adequate ventilation.In most cases, the elevator shaft is just behind the

machine room. Each time the elevator car moves, itpushes the air above it and sucks the air underneath. Thepumping action of the elevator car in the shaft can helpcool the oil in the power unit. Preferably, the machineroom can have a small opening in the shaft wall such thatthe biggest side surface of the tank faces the opening.The top window in the shaft allows fresh air to enter theshaft and the air under the car is pushed out of the

machine room window as the car travels down. Conversely,fresh air is sucked from the machine room window intothe shaft and the air on the top of the car is pushed out ofthe shaft window. Thus, all of the air pumped by the carin the shaft blows air on the tank and helps cool the tanknaturally without any additional inputs (Figure 4).Using an oil cooler is another option that can offer an

effective solution in maintaining the oil temperature ifnothing else helps. However, with a thoughtful systemdesign and correct product configuration, oil coolers arerarely required. Thus, an erratic travel characteristic of ahydraulic elevator is more associated with adjustment errors and in adequate planning or implementation of the elevator system and not because of any basic short-comings in the hydraulics domain. Hydraulic Elevators and EnvironmentWe cannot ignore the fact that using an ecological

product is going to be a must in the very near future. Environmental protection agencies worldwide are advo-cating using more environmentally friendly technologiesand products, which can be recycled. A hydraulic eleva-tor installation for a small building or home would havea tank that could be big enough to contain approximately75-150 liters of oil. Of course, the size of the elevator, thecylinder and the pump primarily determine the volume ofoil required to operate the elevator, but one should notoverlook the fact that the life span of the hydraulic oilused in the elevator system is approximately 10 years.That means oil in the tank and in the system needs to bereplaced every 10 years. Is that too much of an ecological

disaster that one should ruleout using hydraulic elevatorscompletely and brand it as environmentally unfriendly?Perhaps more fuel is used incars every month than what a hydraulic elevator might usein 10 years. Bio-degradableoils can be used where local authorities enforce and OEMspermit.

Figure 4: Power unit placed in wallcloset allowing natural oil coolingwith every elevator car movement(courtesy: Leistriz)

ELEVATOR WORLD India • 2nd Quarter 2010 •

Yearly energyconsumption [kWh]

Refrigerator 350-500Dishwasher 400-600Washing machine 445Television 230Iron 250Gas oven 25Lights 50A typical residential 600-800hydraulic elevator


Table 1: Energy consumption of hydraulic elevator with and without counterweights(2)

Table 2: Comparison of the energy consumption of an elevator with varioushousehold equipment(2)

Table 3: Balancing the travel time. Travel distance: 12 m, trip time: 6, 2:1.Therefore, claiming hydraulic elevators to be uneconomical is inaccurateand misleading.

Figure 5: Hydraulic elevator withpull type cylinder and counter-

weight (courtesy: Leistriz)

Counter Piston Piston Suspension Cylinder Speed Flow Motorweight length diam. ratio pressure [m/s] rate power

[m] [mm] [bar] [It/min] [kW]_____________Empty Full

No 4.5 70 2:1 22.9 55.1 0.64 74 8.5__________________________________________________________________________________________Yes 4.5 60 2:1 10.4 54.1 0.64 54 6

Travel Modified travel Modified travelspeed speeds [m/s][m/s] UP DOWN Reduction Daily energyUp in motor consumptionand power [kWh]Down %

0.8 0.66 1 17.5 3.9

0.8 0.72 0.86 10 4.3

0.7 0.53 1 24.3 3.2

0.7 0.6 0.84 14.3 3.6

0.6 0.43 1 28.3 2.6

0.6 0.5 0.75 16.7 3.0

Hydraulic Elevators and Energy EfficiencyA hydraulic elevator consumes power only while travel-

ing in the up direction. It descends by gravity and does notneed power in the down direction. In addition, hydraulicelevators with a servo-electronic valve offer better energyconsumption in some cases, with an additional advan-tage to remote monitoring through normal telephone lines.Power-units with variable-voltage variable-frequency(VVVF) drives also claim to save energy when the usageof the elevator is high and return on investment can bemade within a defined time. Quality motors can be over-loaded up to 30% without problems as the operationaltime is quite short compared to any other motor in con-tinuous duty. In contrast, over-sized motors run at low efficiency causing unnecessary energy consumption.Therefore, hydraulic elevators are the best choice for lowrise buildings.The myth that power consumption of a hydraulic eleva-

tor is two to five times more than that of traction elevatoris based on the fact that the energy consumption of thetraction elevator with counterweights is compared with thatof hydraulic without counterweight. The hydraulic eleva torgenerally does not use counterweights and are conse-quently safer at the expense of an increase in motor power.On the other hand, they can be constructed with the coun-terweight balance under suitable conditions so that anal-ogous energy savings similar to traction elevators can beobtained (Table 1 and Table 2).Another configuration of the counterweight for the

hydraulic elevators is shown in Figure 5, where the coun-terweight is placed on a pull ram. By doing so, smaller diameter rams and smaller pumps can be used. Such aconfiguration can prevent the counterweight from swing-ing in the shaft. The cylinder is in tension and not subjectto buckling forces, which reduces the cylinder diameter andoil volume. Systems with pull-type cylinders and counter-weight claim to save substantial power and are thereforea good option for hydraulic elevator installations.Hydraulic elevators can be made even more energy

efficient without compromising speed. The total traveltime can be maintained by reducing the up travel speedand increasing the down speed thereby maintaining thetotal travel time. As hydraulic elevators do not consumepower while traveling, down increasing the down speedis very logical (Table 3). Continued



Hydraulic Elevator Does Not Mean Oil Spillage Sometimes, one can see oil accumulation below a

cylinder or oil dripping out of the cylinder with everytravel an elevator makes. The reason is the oil seal in thegland/cylinder head is worn out or not the correct choicefor that particular cylinder. Lack of sealing know-how, unfairand unprofessional practices often result in oil spillage.Using nonstandard hydraulic pipe fittings originatingfrom different suppliers is another reason for leakages. However, that should not create a mess in the shaft. It’s

a standard practice to have a drain pipe carry the oil backto the tank or in a separate collector in case of oil accu-mulation on the cylinder head (Figure 6), but unfortu-nately it’s not seen in every elevator installation. Having asimple drain pipe does not cost anything but takes care ofthe problem in case of oil accumulation. The accumulatedoil is safely filtered and brought back to the tank prevent-ing any mess. Other cause of oil spilling out of the systemis purely due to poor handling. Often, while servicing orduring routine maintenance, care is not taken when open-ing joints or flanges resulting in unnecessary oil spillage.Use of couplings and connectors is usually required in

piping and often some common misconceptions aretaken into consideration (e.g., if a coupling is compatiblewith a hose that meets Society of Automotive Engineers(SAE) or European Norm (EN) specifications, the couplingwill work with hoses that meet the specifications. This issimply not true. When making or buying an assembly, itis strongly recommended that hoses and fittings all comefrom the same manufacturer. That’s because dimensionaltolerances listed in the standards are quite broad. Hosesnot manufactured with tightly controlled dimensionsmight still meet the standards, but may be difficult to assemble and may perform non-satisfactorily due tocompression variations when crimping the coupling onto it (Figure 7).

Figure 7: Hose pipe bending techniques

(a) (b)Figure 6: (a) Oil drainage pipe from cylinder head to tank (standard practice);(b) a cylinder head without an oil drainage pipe, resulting in oil spillage incase of oil leakage due to oil seal failure

Hydraulic Elevator Technology Is Not ComplicatedThere is nothing to adjust in the motor or pump. With

only a flow control valve to adjust that has just a few adjustments, it’s difficult to understand how a power unitcould be complicated. Most of the spare parts, like o-rings,connectors and fixtures (which are readily available inthe open market) make replacements trouble free. Some of the advantages of hydraulic elevators are:

� Safe and reliable solution for vertical transportation ashydraulic elevator offers easy rescue of passengersduring fires and earthquakes.

� Easy and safe to service as the machine room is lo-cated in the cellar or basement and not on the top ofthe building.

� Readily available spare parts in the open market giveindependence and flexibility while maintaining thesystem and do not leave the customer at the mercy ofOEMs.

References(1) D. Sedrak, “Hydraulic Elevators: A Look at the Past, Present and

Future,” ELEVATOR WORLD, June 2000, pp. 100(2) Dr. F. Celik and Dr. B. Korbahti, “Why Hydraulic Elevators Are so

Popular? Part 2,” Asansör Dünyasi, April 2006, pp48.

Parag Mehta works in design and development for Blain Hydraulics GmbH,

Germany.

“Next elevator ...numbers 106 ...107 ... 108...!”


Readers’ Platform

More Attention Needed For Heavy Escalatorsby Dr. Ali M. Albadri

Dr. Ali M. Albadri is a

chief engineer at Tube Lines

Materials Services. He man-

ages a team of mechanical

engineers and test inspec-

tors, as well as managing

a drawings office, which

contains 45,000 engineer-

ing drawings. In addition,

his responsibilities involve managing projects by

conducting planning, costing, arranging assets

inspections, checking designs to standards, writing

specifications and testing. Albadri previously

worked as a senior mechanical design engineer at

Hydronix Ltd. and KeyMed Ltd. He began his aca-

demic career at Technology University in Baghdad,

Iraq, where he received a BSc in Mechanical Engi-

neering and a BSc in Physics. He then pursued a

degree in Materials Science and graduated with a

M Phil from the University of Sheffield in the U.K.

In 1996, Albadri received a PhD in Materials

Science from the Materials Science Centre, UMIST,

in Manchester, U.K.

Heavy and light-duty escalatorsoperate in accordance to the samemechanical engineering principlesand theories. However, their opera-tional conditions are very different.

Heavy-duty escalators are installedin, near or around locations wherethe density of passengers is high.They have high rise (more than 10 m),and endurance (working more than20 hours a day). Therefore, they havea much higher service loading.

Despite the importance of heavy-duty escalators in any public-trans-portation system, such as trains andunderground networks, they do nothold the same interest and attentionof specialist manufacturers, as light-duty escalators do. In most cases,heavy-duty escalators have beenignored by the manufacturers or thecompanies that operate them. Theyare starved of investment and con-sistent R&D programs. Therefore,most heavy-duty escalator designshave remained behind when com-pared with light-duty escalatorsusing 21st century technology.

The market size of light-duty esca-lators is much bigger than that of theheavy-duty type. The levels of profitsagainst the levels of investment havenot worked that well for heavy-dutyescalators. The profit margin becomesviable only when a high number ofescalators for refurbishment or replace-ment are materialized, or when thereis a long-term contract to service anumber of them. The design specifi-cations of the heavy-duty escalatorare different than those of the light-duty escalator. This is reflected in thelevel of design work; the heavy-dutytype needs more design work andtime than the light type.

Companies have tried transferringsome technologies and methods ofmanufacture from the light-duty esca-lator sector to the heavy-duty sector.This has not worked, because of thedifferences in the operation condi-tions. For example, specialist manu-facturers have adopted the strategyof mass production to manufacturethe light-duty escalators in the formof standard modulus and commonparts. They have tried to convert thismethod to the heavy-duty sector.Unfortunately, this avenue has notworked because of the level of the strength and endurance limits(fatigue life) that the parts and the sub-assemblies of heavy-duty esca-lators need in comparison to light-duty escalators. This has led to poordesigns, causing the need of highinvestments to keep the machines insafe operational conditions.

Heavy-duty escalators tend to becompletely or semi bespoke designs,depending on the space needed forconstructing the machine. One im-portant parameter making the task ofthe manufacturer troublesome is thelack of clear separation between theescalators as independent machinesin their own right, with regard to theirrelationship to the civil structure inwhich they are installed.

Clarity is needed in specificationsand standards drawn by the customers.The customers should make the re-quired level of financial commitmentto separate the civil structure from themechanical machines. Where the twointerfere with each other because ofthe complexity of the site, the ownerof the machine should make someinvestment toward converting thesite so that the escalators have total


independence in future maintenanceor replacements.

Ignoring the manufacturers ofheavy-duty escalators has left thesector in stagnation, without radicaldevelopments that fall in line withthe 21st century. Manufacturers andcustomers need to work together todeploy new strategies for long-terminvestments in the sector of heavy-duty escalators. Part of this strategyshould be based on deep technicalunderstanding of the level of thetechnical challenges in designing partsand sub-assemblies for the heavy-duty sector. The manufactures needto push the customers to clarify theirstandards by separating the escala-tor as an independent machine fromthe civil structure. A clear separationwould reduce the financial burdenon the manufacturers.

We might have missed some otherissues in this article, but we havetouched on the critical ones. Dealingand resolving these issues will con-tribute in increasing the manufacturer’sconfidence to invest for the long termand see the heavy-duty escalatorsector as a viable business option. �


Public Safety

Safety FirstNew concerns for evacuation of people from high-rise

buildings during a fire have led to the development of theEN 81-72 standard Safety Rules for the Construction andInstallation of Lifts-Particular Applications for Passengerand Goods Passenger Lifts – Part 72: Firefighters Lifts. Afterits approval in 2002, the need for firefighters to reachevery floor quickly and safely in a modern high-rise build-ing has become a key component of the overall buildingsafety procedure. Safety is safety and it is not negotiable.The manufacturers’ first concern should be passengers’safety. Upgrading the safety level of new installations tomodern standards is also important.EN 81-58 Fire Resistance Norms to Avoid the Spreading of Fire through the Lift ShaftThe division of a building into compartments is a

crucial aspect of the design from the point of view ofsafety. A compartment may be defined as a part of abuilding comprising rooms, spaces or storage areas con-structed to prevent the spread of fire to or from anotherpart of the same building or to an adjoining building. Thedivision of the lift shaft into compartments is a specialcase, as fire entering the lift shaft can easily spread toupper and lower floors. This is why the fire resistance oflift landing doors is crucial to avoid fire propagation inthe building. In fact, when using a fire-resistant landing door, the

fire has to overcome two barriers until it finds com-bustible material again in the next floor, as the shaft itselfnormally contains very little material that can sustain fire. A key aspect of EN 81-58 is the fact that a compliant

landing door must be able not only to prevent fire, butalso to minimize hot smoke and gas leakage that entersthe shaft. The rationale behind this can be traced to whatis normally called the chimney effect. The lift shaft is typ-ically opened at the top for ventilation purposes, and ithas a lower temperature compared to the building rooms,at least during the winter. These combined effects meanthat higher hot gas leakage rates tend to occur at lift land-ing doors compared to the leakage rates occurringthrough standard doors between rooms at the same floor.By deploying special design and features, such as laby -

rinths, an EN 81-58 landing door is able to reduce leakage

of gas to a minimum and to avoid transmission of flames.Only through R&D expertise and extensive testing is itpossible to obtain an effective design for a substantial reduction of gas leakage. The Development of EN 81-58 The standardization work for EN 81-58 started in 1983

under the direction of Dr. P. Vandevelde from the Universityof Ghent in Belgium. At the end of the research phase, the focus of the norm was placed on how to evaluate integrity to reach a high safety level. Consequently, onlya complete and direct leakage measurement was deemedadequate for this purpose. The testing methods were developed accordingly with the assistance of four majorlaboratories in Europe and the cooperation of all Europeanmanufacturers, who provided standard doors and speciallanding doors for testing.The EN 81-58 norm was ratified in 2003 and harmonized

under Lift Directive 95/16/EC in 2004. The compliance withthis standard helps to ensure the presumption of compli-ance to the Essential Health and Safety Requirements of

Fire-Resistant Doors in the Context of Firefighters’ Liftsby Sergio Biglino

Figure 1: The shaft is a critical area used to control or avoid fire propagationin the building.

Presented at the


Annex I of 95/16/CE. This norm was enforced on the ter-ritory of the European Union (EU) and gradually accepted bya growing number of countries, including India. Nationalbuilding legislations within the EU were changed to rec-ognize EN 81-58 as an accepted method to evaluate fireresistance of lift doors, by adopting an EN 81-58 class ofresistance, closely matching the previous local requirements.The reception of EN 81-58 in the national standards

brought a positive effect. As this norm superseded manynational standards for lift doors, it also eliminated techni-cal differences among fire-resistant doors available inEurope. Manufacturers could then concentrate on the design and testing of EN 81-58 doors, without having totest slightly different doors to comply with the differingnational standards.EN 81-58: Reliable Testing Procedures with a High Degree of RepeatabilityEN 81-58 is a standalone standard for fire-resistance

assessment of lift landing doors, which includes testmethods, criteria and a classification system. By onlymaking use of calibrated measuring equipment, with nomanual intervention, the EN 81-58 test integrity resultsare repeatable with only a minor possibility of deviationor interpretation.

There are essentially three criteria to be considered forEN 81-58 compliance:1. Integrity (E): The criterion is satisfied, as long as theleakage rate per meter width of the door opening doesnot exceed 3 m3pm. Integrity shall be considered to belost by the occurrence of sustained flaming (>10s).

2. Thermal insulation (I): The criterion is satisfied if theaverage temperature rise does not exceed 140°C andthe maximum temperature does not exceed 180°C.

3. Radiation (W): The criterion is satisfied as long as themeasured radiation does not exceed the value of 15kWpm2, as specified in EN 1363-2.Integrity (E), thermal insulation (I) and radiation (W)

are assigned to the corresponding resistance times inminutes to obtain the door fire resistance classes accord-ing to EN 81-58. Continued

Table 1: Door fire resistance classes according to EN 81-58

E 15 30 45 60 90 120

EI 15 20 30 45 60 90 120

EW 20 30 60


Public Safety Continued

The entire EN 81-58 testing procedure can be summa-rized as follows:� Before performing the testing procedure, a full detailedspecification of the specimen provided prior to testingmust be supplied for evaluation purposes.

� The door under testing is installed on a vertical furnaceusing its standard supporting construction. A firstmeasurement of clearance gaps between moving andfixed parts and a functionality test on the assembleddoor ensure that the door is installed in normal work-ing conditions.

� Heat is applied in a vertical furnace following EN 1363-1 specifications, with a measured overpressure on theexposed side between –2 and +2 Pa at sill level. Onlythe landing side is exposed to heat.

� A canopy over the non-exposed side collects the leak-ing combustion gas.

� During the first 14 minutes, the gas flow through thegaps is measured but disregarded. Measuring integrityfailure only starts after 15 minutes to avoid deviationsdue to rising temperature and high turbulence in thefirst phase.

� Evaluation of leakage rate is performed using tracinggas system equipment.

� Unexposed face temperature is measured with fivethermocouples per each door leaf, in a standard posi-tion determined by the norm.

� Temperature of door frame is also measured with atleast two additional thermocouples.

� The heat radiation is measured from the unexposedface following EN 1363-2 norm.

� More than 10 seconds of continuous flaming on theunexposed side is considered as loss of integrity (E).After successfully passing the testing procedure, a

detailed test report with complete door specifications anda step-by-step description of test results and their evalu-ation is produced. A Notified Body then issues a Type Examination Certificate. The tested door model can thenbe supplied on the market with a data plate that containsinformation about the manufacturer, door type, certifi-cation number, reference to the test method standard,class of resistance of the door and other optional relevant information.Qualified Certification LaboratoriesAn important part of EN 81-58 refers to the qualified

certifications laboratories that are allowed to perform thetesting procedures. The features of these laboratories aredefined according to the EU Construction Products Directive89/106/EEC. It is important to remark that a manufac-turer certified according to Annex IX or XIII of the Lift directive 95/16/EC can be entitled to carry out tests andissue relevant certifications. In this case, national bodiescarry out periodical evaluation of the testing equipment.It is possible that the services of a third-party qualified

laboratory assists repeatability of thetesting procedure and represents EN81-58 certification.Applicability of EN 81-58 Doors for Firefighters’ Lifts (EN 81-72)After summarizing why the EN 81-

58 is important in order to reach ahigh level of safety and how the test-ing procedure is performed, it is alsoimportant to ascertain the applica -bility of EN 81-58 doors in the con-text of firefighters’ lifts. If one exam-ines the EN 81-72 (Chapter 5.1.1) heor she will find that the level of fireresistance of the wall and the doorsof the firefighters’ lift environmentare defined by national regulations.In particular, EN 81-58 compliant automatic landing doors can beused on firefighters’ lifts. Additionalrequire ments:� The lift is located in a shaft with afire-protected lobby in front of everylanding door (5.1.1).

Figure 3: A Wittur Augusta two-panel center-opening door during testing for EN 81-85 E120certification

Figure 2: A firefighters’ lift car compliant with EN81-72


� Electrical/electronic landing con-trol devices and indicators canwork in a temperature range of0°C-65°C for the same duration required for the structure (e.g.,120 minutes) (5.1.2).

� Any electrical equipment locatedon the doors is protected to IPX3(5.3.2).

Main Features of Firefighters’ Lift Car according to EN 81-72Another important part of EN 81-

72 deals with the design of the car .Wittur produces lift cars, which mustcomply with the following require-ments:� The lift must be designed accord-ing to EN 81-1 or EN 81-2 and feature additional protection, con-trols and signals.

� During a fire, the firefighters’ lift isto be used under the direct controlof the fire service, by means of afirefighters’ lift switch to enablethe different operation phases (I andII, according to EN 81-73 Behaviourof Lifts in the Event of fire.

� The minimum dimensions of thecar are 1,100 X 1,400 mm, with arated load not less than 630 kgand a minimum clear entrancewidth of 800 mm (according toISO 4190-1). Where the intendeduse is to include evacuation, theminimum rated load becomes1000 kg and the minimum dimen-sions become 1,100 X 2,100 mm(also according to ISO 4190-1).

� The car must be equipped with anemergency trap door operablewithout tools for the rescue oftrapped firefighters

� The lift system must be able toreach the furthest floor in less than60 seconds after the closing of thelift doors and must be equippedwith an emergency supply.

� A fire-service communication sys-tem must be in place to enable two-way communication during fire-fighters’ operations.

Figure 4: A Wittur Hydra two-panel center-open-ing door during testing for EN 81-55 EI 120 cer-tification.

ConclusionThe new concerns for evacuation

of people from high-rise buildingsduring a fire, which led to the devel-opment of EN 81-72, have becomekey components of the safety ofmodern buildings. The use of EN 81-58 fire-resistant landing doors onthese lifts further enhance the possi-bility for firefighters to use them toreach floors quickly and evacuatepeople safely.

Sergio Biglino is vice president of Sales &

Marketing for the Wittur Group.

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Otis Elevator Co. has been a leading manufacturer, installer and main-tainer of elevators, escalators and moving walkways for more than 150 years. Otis elevators and escalators touch the lives of people in more than 200 countries around the world, including India.

After a detailed study of market dynamics, Otis India rolled out new so-lutions to support the growing demand for automatic-door elevators by launching Optimus and Quantum products to cater to the 1-1.5 mps cate-gory in most of the residential and low premium commercial market. It has also addressed the needs of premium residential complexes, hotels, pre-mium commercial properties by supplying state-of-the-art gearless prod-ucts like OH5000, environmentally friendly Gen2® and XO508 escalators from its overseas associates. To address the trend of affordable housing, the company is developing a new elevator with an automatic door system.

Real estate activity in India has picked up after a long lull in the coun-try during the global recession in 2009. Now that the economy has, again, started showing a revival, there is a visible movement in the development of residential and commercial projects across the country, with the resi-dential segment dominating this growth. The recently announced Union Budget 2010-2011 provides a significant stimulus to the Indian real estate sector.

Otis in India

Otis India Applies Global Expertise and a Wide Array of Solutions to Meeting Growing Infrastructure Needs.by Sameer Joshi

MA

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FAC

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• Issue 2, Volume 3 • elevatorworldindia.com39

The main segments of future real estate development include affordable housing across the country, including tier two and three cities, infrastructural developments like metro systems and the modernization of airports and sky-scrapers in main cities like Mumbai and Bangalore.

With developers vying with each other to take their share in these development areas, the elevator industry is bullish on the market potential for elevators, escalators and moving walkways over the next decade. The mar-ket for elevators, escalators and moving walkways is on the upswing in India. The current elevator market is close to 30,000 new units per annum, and installation is esti-mated to be growing by 15% year on year. The western and northern regions continue to witness high demand of elevators and escalators with Mumbai and Pune in the west and National Capital Region in the north. The other growth areas for the industry are Bangalore, Hyderabad and Chennai in South and Kolkata in the east.

Otis emphasizes a corporate policy of safety first and implements standardized procedures to ensure that every installation and service task is performed the safest way, every time. As a company in India, Otis works to ensure that safe work processes are adopted. The company has also involved families in its safety awareness programs, as safety is important to the individual as well as their fami-lies. Nothing is more important than the safety of every-one who builds, installs, maintains and rides the eleva-tors, escalators and moving walkways. Otis believes that the safe way is not just the right way – it is the only way. A Commitment to Service

Otis states that service begins with each employee’s commitment to improve things – no matter how small. The company strives to exceed expectations of custom-ers and employees. This is accomplished by management and empowered associates working together to imple-ment the Achieving Competitive Excellence (ACE) operat-ing system and philosophy throughout the organization. With a service base of more than 45,000 units and more than 80 service centers across India, from Jammu and Kashmir to Kanyakumari, the company provides qualified and professional service personnel who meet the needs of their clients. OTISLINE® is Otis’ dedicated customer service facility that offers 24/7 customer service support. It is currently operational in all major metros in India.Innovation and Comfort

With a constant focus on introducing new and im-proved technologies and products to the Indian market backed by global expertise, Otis is positioned to meet the growing and changing needs of customers, energy-effi-cient performance and minimal impact on the environ-ment. Reflecting its commitment to the environment, Otis has engineered energy-saving products like Gen2 eleva-tors, which when combined with ReGen™ drives can re-sult in total energy savings of up to 75% compared to con-ventional systems with non-regenerative drives. ReGen

drives feed energy, usually lost during braking, back into the building’s internal electrical grid, where it can be used by other loads or users connected to the same network. The Gen2 system does not require any additional lubrica-tion, eliminating the need for storage, cleanup and dis-posal of hazardous waste. In India, Otis has a healthy Gen2 order booking for residential, commercial and hotel structures.

ReGen drives are particularly suited for low- and mid-rise residential and commercial buildings. ReGen drives also produce clean power, resulting in less pollution of the building’s electrical power system and helping to pro-tect sensitive building equipment. By minimizing radio frequency interference, these drives reduce disruptions to other building electronic systems, ensuring compliance with regulations.

Peak-hour traffic in a busy high-rise often means long waits, a scramble for each arriving elevator, crowded cars and too many stops. The Compass™ Destination Man-agement minimizes these inconveniences by assigning each passenger to the most appropriate car. The Compass system can be integrated into a variety of architectural environments. Its features include:

u Intuitively designed keypads and touch screens u Instant car designation u Specific car assignment u Optional interface In order to cater to the Indian market, Otis India formally

launched the system on February 2 in Mumbai. Its safety features include a door deterrent de-vice, hoistway access detection, rescue system, infrared entrance protection system and improved stopping accu-racy. Controlled process minimizes installation time and improves safety. Standard features include:

u Anti-nuisance car call protectionu Automatic car return device (home landing)u Independent serviceu Overload deviceu Nudgingu Emergency firemen’s serviceu Audible car-call buttonu Emergency car light unitu Door time protectionu Emergency alarm buttonu Belt inspection deviceOptional features:u Advance door openingu Car chimeu Emergency power operationu Down collective operationu Parking key switchu Automatic rescue deviceu Voice synthesizeru Inter-communication car to controller and lobby

Continued


Gen2 Comfort elevators will be manufactured at the Otis facility in Bengaluru. This manufacturing facility was set up in 1996. Bengaluru Works is ISO 14001 certified and maintains an environmentally friendly working area and disposal system through the shop floor concepts of lean manufacturing and value stream mapping.

Otis modernization programs offer upgrades for exist-ing elevator systems to microprocessor-based variable-frequency (VF) drive control systems by retaining as much of existing mechanical components as practicable by uti-lizing pre-engineered packages. Recently, Otis launched two new modernization packages for its customers. The AC1 X’Press modernization package upgrades existing manual door elevators and is suitable for up to 14 stops. It includes a microprocessor-based VF controller, lumi-nous buttons, new wiring and locks, and multiple options of buttons and fixtures. Permanent magnet (PM) gearless machine with variable voltage and variable frequency (VVVF) technology upgrades old DC gearless elevators with running speeds of 2.5 mps. Otis recently undertook the modernization of elevators at the Oberoi Hotel in Mumbai, Le Meridian Hotel and the Gas Authority of India Ltd. in Delhi, and the Public Utility Building and Vijaya Bank in Bengaluru.

Otis India has also introduced a customer-friendly ele-vator installation method that does not require scaffolding – called “scaffold-less installation.” For Gen2 Comfort and other traditional-type elevators, the installation is done using contract materials without the use of scaffolding. This method uses the car enclosure/car top as the working platform for installing all elevator components, machine and roping. This method improves the cycle time of the el-evator execution as compared to the conventional method of having scaffolding erected. The scaffold-less method means the equipment is available for movement of mate-rial and manpower from the commencement of work on a project.

With its headquarters in Farmington, Connecticut in the U.S., Otis employs 61,000 people worldwide, offers prod-ucts and services in more than 200 countries and territo-ries and maintains 1.6 million elevators and escalators.

Otis in the Atria MallAtria Mall is one of the first malls in Mumbai. Its lo-

cation in the up market South Mumbai precinct of Worli was key factor to its success. The mall attracts custom-ers from every corner of the city who come to experience shopping and food in an international atmosphere. Today, the mall is just one among dozens of new malls in every nook and corner of the city. This landmark project has been developed by M/s. Alif Enterprises and designed by M/s. Hafeez Contractors, a leading architectural firm in the country.

Sameer Joshi is currently working with Otis

Elevator Company (India) Ltd. as general manager and

is responsible for Corporate Communications and

Modernization. He passed his Electrical Engineering

(BE) from Mumbai University in 1991. In his more than

18 years in corporate work, Joshi has held positions of

increasing responsibility in the areas of sales, product

management, marketing, business development and

strategy planning. Under his leadership over the last

two years, Otis India has grown in its Modernization business.

Otis in India Continued

Atria Mall in Mumbai

• Issue 2, Volume 3 • elevatorworldindia.com41

The defining feature of the mall is its huge atrium, which was especially designed to allow shoppers an uninterrupted view of every storefront within the mall, thereby making the center a customer- and retailer-friendly property.

To enable the smooth and efficient flow of traffic at all levels of the mall, Otis provided and installed six Gen2™ machine-room-less (MRL) elevators and eight escalators.

Glass-enclosed hoistway A bank of elevators

The mall atrium

The MRL passenger elevators in this mall were installed in a glass elevator shaft, and the elevator itself has a glass cabin with glass doors. As a result, passengers enjoy a panoramic view of the mall atrium while riding in these extremely quiet, energy-efficient Gen2 elevators. In fact, these elevators also became one of the major attractions to the mall visitors due to their aesthetic appeal. c


Events

“What is so special about this workshop on fire lifts?”This must be the thought going through readers’ minds.This event was special and important; not only from theelevator industry’s perspective, but also from the per-spective of the end users – the firefighting personnel. Theworkshop was held on February 3, the first day of the International Elevator and Escalator Expo (IEE Expo) wasat the Bombay Exhibition Center in Goregaon, in Mumbai.There were more than 100 registered for this event.

The purpose of this workshop takes me to an accidentthat took place six months ago, on the first day of Diwali.Six firefighters on an operation to put out a fire at a flaton the 14th floor of a residential building were founddead in the elevator they had taken in a rush to fulfill theirresponsibility. This accident raised public concern abouthigh-rise building safety systems. The media reported its own assumptions, adding more panic to the minds of the public.

With the concerns and divergent views involved, theMaharashtra Public Works Department (PWD) appointedexperts from TAK Consulting in order to investigate andgive their opinions on the incident. Afterward, TAK Mathews realized the gaps in the whole process and tooksteps to organize this workshop. He realized that an opendiscussion was needed between the elevator suppliersand fire authorities to establish an understanding of theirneeds and requirements during the rescue operation and,

of course, the PWD statutory authorities. In addition,building developers, consultants and architects need tobe educated on the needs and safety requirements by incorporating them into their designs.

Considering these issues, the Workshop on Fire Lifts,which took place concurrently with the IEE Expo 2010,was an excellent idea and provided an opportunity totake serious steps for further change. It is to the credit ofthe organizers of the Expo, Anitha Raghunath and G.Raghu, who did not hesitate to adjust the expo schedulein order to accommodate this workshop.

The attendees included renowned developers, architectsand consultants in the elevator industry, and fire person-nel and statutory authorities from around the country.

The workshop started at around 11:30 a.m. with Mathews welcoming the participants. He thanked M.V.Deshmukh (the main architect of the workshop) and theorganizers of the expo for their commitment to the eleva-tor industry. He then introduced the workshop and itsstructure. On behalf of the audience, Mathews also tookthe opportunity to thank the firemen for their selfless sacrifice to society. Each fireman at the workshop waspresented flowers as a token of appreciation.

After this introduction, R.R. Iyer, currently working asthe management consultant for various industries sharedhis experiences garnered from his more than 30 years experience in the elevator industry. Iyer emphasized the

Workshop on Fire Liftsby Snehal Toralkar

Expo panelists Firemen being honored for their sacrifices

Continued


Events Continued

need to upgrade codes and develop a standardoperating procedure for fire authorities. Mathewsthen took participants through the requirementsfor fire lifts specified in National Building Code(NBC) 2005, Part 4 and Part 8, Section 5. This re-view was to understand what the code mentionsabout fire lifts and the issues and gaps involved.

The workshop picked up pace when the expertsfrom various states sat for the Open Panel Discus-sions. Deshmukh, director of Fire and EmergencyServices and fire advisor, Government of Maharashtra;S.K. Dheri, V. Suresh, vice chairman of NBC 2005; S.Veeramani and M. Namasivayam expressed their viewsand experiences about the fire incidents and the neces-sary changes that need to be made. There were also dis-cussions with architects, developers and consultantsabout issues in which they are actively involved.

As the fire-resistance property for doors is an impor-tant factor involved, a presentation on this topic was alsoorganized. Sergio Biglino from the Wittur Group deliveredthis presentation, and gave details about fire rating, defi-nition, testing and methodology as per the norms set outby the European Community and in EN81-72.

After lunch, attendees were divided into four groupsfor discussions on topics pertaining to fire lifts. Group onediscussed issues pertaining to fire lifts, number capacity,speed by building type, and size and height of buildings.Group two talked about issues involving pressurizationand sprinkler norms and application (by building type,size and height), lift lobbies, hoistways and refuge areanorms. Group three discussed fire lift operation, phases I and II and the standard operating procedure. The finalgroup covered issues related to fire resistance, norms forlift doors, lobby doors, hoistway walls and landing liftcomponents.

Discussions were carried out by each of the groups,and necessary changes were highlighted by the groups’representatives. It was also pointed out that, dependingupon building structure; necessary standard operatingprocedure is to be laid out. Uday Tatkare, chief fire officer

in Mumbai, talked about the existing standard operatingprocedure in Mumbai.

Dheri followed Tatkare’s discussion by adding:“I think the work done by all the different groups hasbeen quite conclusive. What we need, basically, is to con-solidate it in one document of recommendation. And thisdocument of recommendation should be sent to [the] Bureau of Indian Standards. And we will try to get it incorporated in Part IV. Truly, this will take some time forthe necessary approvals to happen. But, I think thereshouldn’t be any problem in adopting these particularminutes, as I am personally involved in this process.There shouldn’t be any difficulty in adopting them intothe new code.”At the close of the workshop, T.Bruce MacKinnon,

executive vice president and chief operating officer of Elevator World, Inc., reiterated EW’s commitment to India.MacKinnon presented the representatives from the vari-ous state fire authorities at the workshop with the booksEmergency Evacuation Elevator Systems Guideline by theCouncil on Tall Buildings and Urban Habitat, Elevator andEscalator Rescue by Theodore Lee Jarboe and John O.Donoghue, and Firefighting Operations in High Rise andStand Pipe Equipped Buildings by David M. McGrail.MacKinnon also assured the audience that many booksrelated to fire rescue, evacuation and the maintenance ofelevators will be made available in India. Continued

R.R. Iyer M.V. Deshmukh S.K. Dheri V. Suresh

S. Veeramani M. Namasivayam Sergio Biglino Uday Tatkare The breakout discussion groups

Door 2AT 600/950 mmDoor 4AO 600/950 mmPit 120 mmHeadroom 2,650 mm1 entrance 2 opposite entrances

25/30

50 50

made in

Italy


Events Continued

As a whole, this workshop was pathbreaking, as itbrought together policy makers, implementers and endusers in a single forum that has initiated a new beginningin this important topic.

Snehal Toralkar is a design consultant with TAK Consulting Pvt. Ltd., whereshe is involved in the designing and specifying of elevators. Prior to joiningTAK Consulting, she worked with Schindler India as a design engineer and was involved in the launch of the S3300/5300 products. She has a degree in Mechanical Engineering and more than five years of experience in the elevator industry.

Reaction to Fire Workshop

I would like to be a little critical, not because of yourfaithful efforts, but because of our conservative pat-terns at large. We can agree that perhaps without dispute that our emphasis on R&D is very poor, gener-ally in every field and extraordinarily poor in fire serv-ices. I have been chief fire officer for about 20 years,supervising various divisions consisting of many dis-tricts, having 50-60 fire stations, with a Bachelor ofEngineering degree. On this basis, I would like to men-tion that the opinion of a chief fire officer or any otherfire-department official cannot be a substitute of an indication projected through case studies. This is thebasic lacuna of such workshops and their recommen-dations, which are not well supported by R&D findings.

Some other issues that did not meet their destina-tion during deliberations are:� Aesthetics should never be considered over and

above the considerations of minimum life safetystandards.

� Alternate solutions should never impede functioningor availability of natural/manual means, which isthe last resort for life safety.

� Codes are codified by taking onsite life safety re-quirements into consideration and thereby framingstandards with the help of available engineering parameters, which has to be associated with thescientific and logical explanation. Hence it is ofparamount importance that every code needs to bedecoded accordingly to meet the practical responseof an emergency situation. Obviously codificationneeds to be linked more closely with R&D. The outcome of the workshop may have been a rec-

ommendation for Business Information System and firedepartments to make provisions for mandatory casestudies of actual fire accidents, for projecting implica-tions of adopted norms. Also, the lift manufacturersshould do something to bring their standards closer tothe actual accident situation in terms of technical, psychological, environmental and local requirements.Otherwise, we will keep on serving half-cooked dishes.However, your efforts and spirit cannot be devalued,but rather appreciated for creating such a platformwhereI, along with many, have had this opportunity to put uptheir contentions for a public cause.J.K. SinghChief Fire Officer/vice principal, UP State Fire Training College

MacKinnon presents donations to state fire authority repre-sentatives.


Technology

Analysis of Elevator Ride Quality and Vibrationby Gregory P. Lorsbach

Utilizing the standard offers theability to evaluate and troubleshootusing vibration and sound to identifyproblem areas and improve ridequality. It is important to rememberthat we are not simply evaluating vi-bration and sound, but the vibrationand sound that relates to ride quality(i.e., human response to that vibrationand sound). This means that we areevaluating vibration that was collectedin a specific way and analyzed usingspecified techniques.The Vibration Record First-Order Analysis – Troubleshooting

Data as collected by an instrumentmay or may not be related to howpeople feel that vibration, dependingupon how the data were processed.For example, Figure 1 displays the vi-bration and sound level as collectedby an EVA-625 prior to processingfor ride quality evaluation. Althoughthis is a graphical representation ofsound level and accelerometer out-puts, the elevator industry generallydistinguishes between accelerationand vibration based on the net motionof the car. The evaluation of vibrationwith respect to human response re-quires that data as collected by theinstrument be weighted (filtered),utilizing the whole-body weighting(Figure 2) as specified in ISO 8041.Paying special note to the weightingsin Figure 2, it is clear that people aremost responsive to 1-2-Hz vibrationfrequencies in the horizontal directions(x and y), with sensitivity droppingoff at higher and lower frequencies.In the vertical direction (z), we aremost sensitive to 5-8-Hz vibrationfrequencies, with human response

IntroductionThe measurement of elevator ride

quality (ride comfort) has become animportant subject within the elevatorindustry. It is now often part of spec-ifications for new and modernizedelevator systems. It is also a competi-tive issue for elevator manufacturing,installation and maintenance com-panies, because it is a strong indicatorof the quality of design (overallstructure and components), installa-tion and service of the elevator sys-tems. Additionally, the analysis of vibration and sound that has beencollected for ride quality measurementsprovides the ability to diagnose thefunction of elevator and escalatorsystem components.

How ride quality is measuredstrongly affects the results of thosemeasurements. Based on extensivework performed by companies fromaround the world, an internationalstandard was developed for themeasurement of elevator ride qual-ity. The standard is ISO 18738 Lifts(Elevators) – Measurement of Lift RideQuality. ISO 18738 establishes the re-quirements, methodology and pro-cessing techniques required to stan-dardize the measurement andevaluation of elevator ride qualityand performance characteristics in-cluding acceleration, velocity andjerk. This standard does not try to es-tablish what is or is not acceptable interms of ride quality. Practically, acceptability has to be considered amoving target. The technology andtechniques to provide “good” ridequality will change (hopefully for thebetter) over time.

Gregory P. Lorsbach is president of and a geo-

physicist with Physical Measurement Technologies,

Inc.

Presented at the


dropping off at higher and lower frequencies. This hasimportant ramifications from a design standpoint. In thesimplest sense, structure design and component choicescan be made so as to minimize vibration at frequenciesmost readily felt and heard.

Figure 3 represents the data after it has been processedaccording to the International Organization of Standard-ization (ISO) standard and is used to evaluate elevatorride quality. This allows the direct diagnosis of problemsthat have a negative effect on ride quality. The data thathas been processed according to the standard is intendedto give meaning, such that an increase in the level of vi-bration corresponds to an increase in the perception ofthat vibration.

Although measurement and analysis provide a completestandardized evaluation of performance characteristicsof an elevator system, a limited analysis of the vibrationat full speed will be made for the purposes of this discus-sion. Vibration is characterized in terms of the maximumpeak-to-peak vibration, and the A95 (typical vibration) be-tween the points that an elevator has traveled 0.5 m from itsstart position, through to the point at which an elevatorhas traveled to within 0.5 m of its final position. The unitstypically used in evaluating vibration are milli(g)s. Bear in

mind that vibration is a result of both the moving andcontrol elements that make up an elevator system.

When attempting to evaluate the function of the com-ponents of an elevator system, the first approach is toconduct a first-order analysis based on a few simplequestions: 1) Is the vibration acceptable?2) Does the problematic vibration show up in the horizontal

axes or vertical axis?3) Is the vibration impulsive or continuous?1) Acceptable Vibration

As a worldwide supplier for ride quality instrumentation,I am often asked what is considered “a good vibrationlevel.” This question is not easily answered. What is ac-ceptable from a vibration-level standpoint is based onmany factors. A primary factor is a competitive issue withrespect to the expectations of the local market. Realistically,every elevator company manufactures a system thatcauses a box to move up and down in response to trafficrequirements. Competitive pressures keep the costs forequivalent functionality approximately the same. How-ever, the motion and sound that a rider perceives corre-late with the perception of the quality of design, installa-tion and maintenance. It has been my experience that themaximum acceptable (good) vibration level for new ormodernized elevators is less than 12 milli(g)s maximumpeak to peak, and less than half that for the A95 (typical)peak to peak. It is not uncommon (and therefore achiev-able) for the maximum peak-to-peak vibration to be lessthan 10 milli(g)s, and the A95 peak-to-peak vibration tobe less than 5 milli(g)s for high-speed elevators. Certainly,there is a relationship to cost. I will often suggest that theuser measures an elevator that he or she considers ac-ceptable. Using that data, the user can create internalbenchmarks for acceptability. Continued

Figure 1: Displayed from top to bottom are sound level, x-axis acceleration(front to back), y-axis acceleration (side to side) and z-axis acceleration (ver-tical) time histories.

Figure 2: Whole-body frequency weighting

Figure 3: Data used to evaluate elevator ride quality after it has beenprocessed according to the ISO standard



Figure 5 shows the same record after filtering using thefilter specified in the ISO standard on lift ride quality.Clearly, the signal is very different, since the apparentbumps located at 17.5, 22.5 and 27.5 m in the unfiltereddata are no longer readily apparent, while the bump located at 12.5 m is clearly visible. This approach allowsthe maintenance company to address the vibration that arider would feel and not waste time on vibration thatpeople do not feel. This is an example of impulsive mo-tion. When dealing with impulsive vibration in the hori-zontal axis, it is usually safe to conclude that it is relatedto a specific location in the hoistway. Fortunately, the useof the EVA Elevator/Escalator Vibration Analysis Toolssoftware allows the user to precisely locate the bumps inthe hoistway.

When addressing continuous vibration, the question ofhorizontal or vertical remains important. Continuoushorizontal vibration is either the result of something thataffects the entire hoistway (e.g., rail misalignment), or thesource of vibration is traveling with the elevator (e.g.,rollers). In the most general sense, horizontal vibrationsources are located within the hoistway or even on the car.

Figure 6: The upper portion of this table shows acceleration for reference,while the lower portion is the ISO-filtered data used for ride quality measure-ments.

Some of the sources of continuous vertical vibrationare related to the ropes, sheave, machine, controller orcounterweight. Referring to Figure 6, the vertical-axiscontinuous vibration is readily apparent. It is clear thatthere is a strong vertical vibration throughout the record.However, the vibration level greatly increases as the ele-vator travels from the bottom floor to the top floor. Weoften use the Fast Fourier Transform (FFT) vibration-level-versus-frequency tool to perform a second-orderanalysis when finding the source of vibration.Second-Order Analysis

When discussing continuous vibration, we often referto vibration resulting from rotating elements. (A series ofimpulsive events can also be called continuous.) Thedriving elements of an elevator have a number of rotat-ing components, including the sheaves, motor and gearswithin the gearbox. Problems in these areas can have asignificant effect on vertical vibration level and ride qual-ity. Each of those can be characterized by a rotational fre-

2) Horizontal or VerticalThis is an important question, since vibration sources

can be identified based on the axis that is being affected.Knowing the axes affected allows the user to quicklyeliminate possible vibration sources. The potential hori-zontal-axis vibration sources are rail misalignmentand/or roller or slide guides. The vertical-axis vibrationsources are ropes, sheave, machine, controller/drive orcounterweight.3) Impulsive or Continuous

As we inspect the unfiltered x-axis time history closer,with respect to distance traveled (Figure 4), it is apparentthat there is a series of bumps. Using the EVA VibrationAnalysis Tools software, it is determined that the bumpsare separated by one rail length (located at 12.5, 17.5,22.5 and 27.5 m from the point at which the elevatorstarted). This would lead one to the conclusion that thereare misalignments at those points (one rail length apart)that are causing excess vibration. However, this is the vi-bration sensed by the EVA-625. When addressing ridequality, it is desirable to address the vibration that peoplefeel.

Figure 4: Distance traveled over time

Figure 5: Distance traveled over time, filtered using the specified ISO stan-dard on lift ride quality filter


quency. The rotational frequency can be calculated byfinding the diameter of the element (via direct measure-ment) and the speed of the elevator (via EVA-625 dataanalysis). As an example, assuming a 400-mm sheave diameter (d) and 6-mps elevator (v), the rotational fre-quency (f) is calculated such that:d = 400 mm = 0.4 mv = 6 mpsCircumference (C) = πd = 3.14159 X (0.4 m) = 1.2566 m Sheave Rotational Frequency = v/C = 6/1.2566 = 4.77 ro-tations per second = 4.77 Hz (≅4.75)

If the FFT (spectrum) of the vertical-axis vibration sig-nal indicates significant energy at about 4.75 Hz, then wecan correlate that with the sheave. It is also important torealize that this would be the fundamental frequency andthat some higher-order harmonics may also be present(i.e., 9.5, 14.25, 19 Hz, etc.), as well. The same approachcan be applied to such components as guide rollers. Ad-ditionally, the motor/worm/ring gear rotational frequen-cies may be identified in the vertical-axis vibration signal.

A good example of using the FFT is demonstrated(again referring to Figure 6 and with a speed of 2.5 mps,geared). It is obvious that the vibration level increases asthe car travels from bottom to top. The lower portion ofFigure 6 indicates that the perception of that vibration in-creases, as well. The first thought upon arriving at thissite was that the vertical vibration was related to theropes. Had this been the case, however, there wouldlikely have been a significant change in frequency, as an-alyzed through the FFT.

If one imagines a guitar string with a constant tension,as the string gets shorter, the frequency would increase.To test this, the FFT was used to evaluate the frequencycontent of the signal at different points during the trip(Figure 7). The spectrum of the vertical axis (Figure 8),just after the elevator reaches full speed, indicates thatthe dominant frequency is about 26.5 Hz. About halfway

through the trip, the dominant frequency is still about26.5 Hertz (Figure 9), although the amplitude has in-creased by about 150%. Just prior to deceleration, nearlyat the top, the dominant frequency remains at about 26.5

Figure 7: Frequency of the signal at different points in the trip

Figure 8

Figure 9

Figure 10

Figure 11

Continued



Hz (Figure 10), but the amplitude has tripled. This indi-cates that there has been no significant change in the fre-quency of vibration as the elevator traveled from the bot-tom to the top of the hoistway. Using this approach, theropes and sheave can be eliminated. The next step was toattach the EVA-625 accelerometer directly to the gearboxand make a measurement while the elevator was moving.

Analyzing the vibration signal (Figure 11), the spectrum(Figure 12) indicates that the dominant frequency wasabout 27 Hz, or nearly the same as that measured on thefloor of the car. This allows us to conclude that the sourceof the vibration (and poor ride quality) was the machine(gear mesh frequency).

ConclusionIt is important to remember that successful field per-

sonnel within the elevator industry are necessarily cleverand analytical (problem solvers). Although they may havenot been exposed to vibration analysis as part of their education or experience, they can apply basic and power-ful techniques to analyze vibration and quickly evaluate the condition of most elements of an elevator system.Furthermore, it is a simple matter to determine if repairsor changes that had been made to an elevator had the desired effect of improving ride quality.

Additionally, there is significant value to evaluatingride quality prior to the turnover on new installations toestablish a “fingerprint” for that installation and to meas-ure before and after modernization to determine what maybe required from a bidding standpoint and establishingthe improvement for the customer after completion. �

Figure 12

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Engineering

Energy Efficiency of Lift Systems - A Proposal for Energy Classificationby Dr-Eur.Ing Gina Barney

Dr. Gina Barney, Gina Barney Associates, has

been a member of the British Standards Institution

(BSI) lift committees since 1992 and is a member

of TC178/WG10 the international committee

responsible for writing standards for the energy

efficiency of lifts. The opinions expressed here

are her own. She can be contacted at website:

www.liftconsulting.org.

The ISO/DIS25745-1 Reference CycleThe ISO/TC176/WG10 committee

has been working on energy effi-ciency standards for some years andhas published ISO/DIS25745-1 forcomment. This standard specifiesthe measurement of the running energy consumed by a lift whenmaking a reference cycle and duringstandby.The ISO/DIS25745-1 reference

cycle obtains a running energy ex-penditure value for the movement ofan empty car from the bottom termi-nal floor to the top terminal floor andback to the bottom terminal floor, including door operations (or viceversa). The total running energy consumed is made up of four com-ponents:1) Energy to travel from the bottomterminal floor to the top terminalfloor

2) Energy consumed when the lift isstationary at the top terminal floorincluding that used to operate thedoors

3) Energy to travel from the top ter-minal floor to the bottom terminalfloor

4) Energy consumed when the lift isstationary at the bottom terminalfloor including that used to oper-ate the doors.The running energy consumed per

reference cycle is presented in mWh.The International Organization of

Standards (ISO) Reference Cycle relates the rated load and the traveldistance from terminal floor to ter-minal floor to the actual running energy consumed (i.e., the dynamic

situation). The benefit of running be-tween terminal floors is its simplicity(i.e., no test weights to carry about).The ISO Reference Cycle running

energy measurement uses an emptycar again for simplicity. Simulationwork carried for a number of differ-ent installations showed over anydaily period of 24 hours that the carload averages at 8% of rated load.Thus the empty car ISO measure-ment procedure is very close to realworld conditions. If the running energy consumption is normalized itcan allow comparisons to be madebetween different tenders for newsystems or when upgrading is beingconsidered Normalizing the Reference CycleAn idea for normalization for the

energy consumed by a lift was firstproposed by Lam, So and Ng in 2006.They divided the total energy used(in Joules) over a known period oftime by the rated load of the lift andthe distance traveled in the knownperiod of time. Energy was given inJoules (J), which is equivalent to Wattseconds (Ws).Relating this to the ISO reference

cycle gives:

(1)

where: Esprun is the specific runningenergy consumed in mWh/kgm for asingle reference cycle

Erc is the running energy con-sumed for a single referencecycle to ISO25745-1 in mWh

Q rated load in kgSh is twice the travel height

between the bottom and topterminal floors in meters

hSQrcE

sprunE×

=


The energy for the door operations is not included inthe above calculation. Increase values by, say, 5% to 0.72and 0.86 (rounded). But these values are for a 100% effi-cient system (η = 1.0)! Suppose a lift was 90% efficient,then the specific running energy would be 0.8 (=0.72/0.90) for 50% balancing and 0.96 for 40% balancing.Generally, energy label bands are linear on white

goods and building certificates. Suppose the running effi-ciency bands linearly increase by 10% per band thenusing Equation 3, Bands A to G are as shown in Table 1.Band G would be for very inefficient lifts. Continued

Table 1: Energy class for running

Classification Specific Specific RunningRunning energy running energy efficiency(50% balancing) (40% balancing)

A 0.80 0.96 90%

B 0.90 1.08 80%

C 1.03 1.23 70%

D 1.20 1.43 60%

E 1.44 1.72 50%

F 1.80 2.15 40%

G >1.80 >2.15 <40%

This normalization method is a good one as it relatesthe load carried over a travel distance to the running energy consumed, i.e., the dynamic situation1. It gives anexplicit value to the lift system with reference to thebuilding in which it is installed. The same equipment installed in different buildings may produce different values. The playing field is level, as all lift suppliers willface the same effect.Normalized values of running energy consumption can

allow comparisons to be made between different tendersfor new systems or when upgrading is being considered A Proposal for a Classification System for LiftsWhite goods, boilers, etc. carry energy classification

labels with bands A (excellent) to G (unacceptable). Themeasurements that are made are based on defined situa-tions. For example, a washing machine is measured for a60°C cotton wash cycle. This measurement situation hasits analogue in the ISO reference cycle. The classificationbands are linearly presented.Energy Class for RunningFor lifts, what values should be given to the bands, in

order to represent the running (dynamic) efficiency of alift? Here is a possible method.Consider a traction lift.

Ideal motor rating2 (2)

where:Q Rated load (kg)k balances travel (m)v rated speed (mps)η system efficiency (decimal)

Time to travel down (only using energy going down,ignore energy traveling up)

(travel distance [s] divided by rated speed [v])

Specific running energy in kWs

(motor rating multiplied by time)

Convert kWs to mWh multiply by

Normalize by dividing by rated load (Q) and total travel (Sh = 2s)

Simplifying: Specific running energy

= (3)

For 100% efficient systems and a lift with 50% balanc-ing (k = 0.5), the specific running energy would be 0.68.For a lift with 40% balancing (k = 0.6), the specific runningenergy would be 0.82.

η100

981.0 kQv=

v

s=

v

skQv

η100

981.0=

3600

610

3600

610

2

1

100

981.0

Qsv

skQv

η=

η721.98 k


Engineering Continued

Table 1 shows 40% and 50% balancing and Figure 1graphically shows a range of values.

Figure 1: Classification of lifts according to energy bands A-G (Colors as perwhite goods classifications)

The calculation in Equation 3 is very simple but relieson a number of assumptions:1) Energy is only used when the empty car is descend-ing.

2) No energy is used in ascent (counterweight pullsempty car up).

3) The lift runs at rated speed over the whole travel(start-up/stopping ignored).

4) The door operations consume 5% energy.5) Regeneration is not considered (lifts with regenera-tion might fall into A or B classes).

6) Applies to balanced traction lifts (to accommodate hydraulic lifts then kQ would be replaced by thetotal load lifted, i.e., car plus rated load)

Some of these assumptions might balance each otherout. In any case, the formula is only used to specify thebands and not to predict any absolute values. Manufac-turers would be able, based on their knowledge of theirproduct (test tower or calculation), to provide a value (inmWh/kgm) at tender for a specific building, which canthen be checked after commissioning.

Table 2: Example energy label for running (50% balancing)

Energy Class for StandbyWhat bands could be used to represent the standby

(static) efficiency of a lift?In order to apply a linear banding for standby suppose

Class 1 has the value of <100 W and there are linearbands of 100 W up to Class 7 with >600 W. Band 7 wouldbe for very inefficient lifts.

Specific energy(mWh/kgm) ≤0.80 ≤0.90 ≤1.03 ≤1.20 ≤1.44 ≤1.80 >1.80

Class A B C D E F G

Table 3: Example energy label for standby

The banding is linear starting for the Class 1 band at100 W. This lower value would accommodate many smalllifts without the need for any modification. Class 1 mighteventually need to be subdivided into 1*, 1**, 1**. TheClass 7 band at 600 W would require immediate upgrading.The Standby Energy bands are numbers to avoid

confusion with the Running Energy bands, which are alphabetic. For example, a lift might be identified as E2classification.Total Specific EnergyThere has been a proposal by a group of engineers3 in

Germany that a combined Total Specific Energy could beprovided, where the specific running energy is added tothe standby energy. They define total specific energy as:

(4)

where: Espec is total specific energy in mWh/kgm per dayErc is the running energy consumed for a sin

gle reference cycle to ISO25745-1 in mWhQ is the rated load in kgSh is twice the travel height between termi-

nal floors in metersPst is the power consumption in standby in Wtst is time in standby in hours tu is the time running per dayv is rated speed in mps

The expression (v x tu) is the distance the lift travels perday in meters (Su), then Equation (4):

(5)

This is an attempt to normalize the standby energyconsumed so that it can be added to the normalized running energy consumed. Although the units of the twoparts of the above equation possess the same dimensionsthey cannot be added together. The normalization of therunning energy (dynamic energy) consumed by dividing itby the rated load and the distance traveled during the reference cycle is reasonable and logical. However, it is nonsense to take the standby energy

(static energy) consumed and then divide it by the ratedload and the distance (running) traveled in a day. First,the rated load has no relationship with the standby energy. Two lifts with the same rated load can have different standby demands simply by having different

uSQsttstP

htQrunE

specE××

+×

=

Power(W) ≤100 ≤200 ≤300 ≤400 ≤500 ≤600 >600

Class 1 2 3 4 5 6 7

utvQsttstP

hSQrcE

specE××

×+

×=

Continued

You can see it in their faces.Confidence

Know the basics and gain the confidencethat comes from a better understanding ofelevator technology.

101Elevators

www.elevatorw�rldindia.comVirgo Publications – Mr Praveen NairE-mail: [email protected]: +91 80 25567028

by Zack McCain

Salespersons

TechnicianBuilding Manager

New HiresAttorney

lighting systems in the car. Secondly, if the lift is station-ary all day the second term in the equation becomes infinity, as Su in the denominator is zero.The application of this proposal to lift classification

will result in the inaccurate and unacceptable energyclassification of lifts. It is simply bad science.An Example of an Energy PlateA lift might display an energy plate such as Table 4.

Table 4: Illustration lift energy plate

This illustrates a lift with a specific running energy of1.38 mWh/kgm and a standby power consumption of 140W. Then the Energy Class for Running would be “E” andthe Energy Class for Standby would be “2”. The label displayed would be “E2.”It should be noted that the plate displays the absolute

values of specific running energy and standby energy aswell as a classification. This is important as the usage ofa lift varies day by day, minute by minute and certainlytenant by tenant. For example, the prediction of a yearlycost is difficult. With these values, the owner can esti-mate energy consumption against their knowledge of liftusage. Remember that how the lift is used changes its energy consumption, but that its efficiency remains unchanged.Finally These are just my thoughts. There is still a lot to be

done if lifts are to display an energy plate. Worldwideagreement has to be obtained. Some manufacturerswould welcome the appearance of an energy plate ontheir equipment, but others do not. We know why!ISO working group TC178/WG10 has a difficult task.

The working group has to take a wider view than a national standards body or an individual associationmight take. ReferencesISO/DIS25745-1 “Energy Performance of Lifts, Escalators and Moving

Walks - Part 1: Energy Measurement and Verification”Dante C.M. Lam, Albert T.P. So and T.K. Ng, “Energy Conservation

Solutions for Lifts And Escalators of Hong Kong Housing Authority”,Elevator Technology 16, 2006.

VDI4707, “Guidelines for Lifts Energy Efficiency,” 2009.Barney, Cooper & Inglis: Elevator & Escalator Micropedia.

1. See Bos, J: Energy Is Force Distance (ELEVATOR WORLD, October 2009),pg 52.

2. See pg C-14 of Micropedia3. ELEVATOR WORLD, October 2009, pg 78.

E 2

ENERGY: Model Reference Date Recheck byLift Rated load: Rated speed: Balancing: Travel:

1200 kg 1.0 mps 50% 8.5 mRunning class 1.38 140W Standby

mWh/kgm classBased on ISO25745-1 As defined reference cycle by ISO25745-1

Engineering Continued

58 ELEVATOR WORLD India • 2nd Quarter 2010 •

Formula SystemsTechnology House, Oakfield Estate, Eynsham, Oxfordshire, OX29 4AQ, UK

Tel: +44 (0) 1865 882442 Fax: +44 (0) 1865 881647E-mail: [email protected] Web: www.formula-systems.com

Formula Systems is a division of Airdri Limited

EuropeUK - Distributor

Dewhurst PlcTel: +44 (0) 208 607 7300

Germany - Market RepresentativePeter Rogge Industrie Umwelttechnik

Tel: +49 211 237 826

Asia/Pacific RegionRegional Office

Formula Systems Guangzhou, PRCTel: +86 20 8206 8466

North AmericaUSA - Regional Office

Formula SystemsNorth America Inc.

2351 E Devon Avenue,Elk Grove Village,

Illinois 60007, USATel: +1 847 350 0655

Tel: Toll-Free +1 866 952 9200Fax: +1 847 350 0670

Registered Office:Unit No. 307, 3rd Floor, ABW Elegance Tower,

Jasola District Centre, New Delhi - 110 025, India

Tel.: (91 11) 4060 5290 Fax: (91 11) 4060 5299

Website: www.hitachi-lift.co.inFor Sales Enquiries: [email protected]

Mumbai Office:207, Kane Plaza, Chincholi Bunder Road Extn.,

Off Link Road, Malad (West) Mumbai-400064

Tel /Fax: (91 22) 4003 9057, 4003 9058

100th ANNIVERSARYCelebrating 100 years of the Hitachi Group


The previous two days of preparatory hectic ac-tivity mellowed down to a sense of disquiet; whatwould be the fate of the third edition of the heretosuccessful expo? However, the queues that had al-ready formed at the venue well before the event wasofficially opened to the public quickly set to rest anysense of foreboding. The jerks, stops, starts and vi-brations were noiselessly cut down. The inauguration team for the expo included

President of the Maharashtra Chamber of HousingIndustry Pravin Doshi, Vice Chairman of the NationalBuilding Code (NBC) 2005 V. Suresh, Convenor ofNBC 2005 S.K. Dheri, Director of Maharashtra FireServices M.V. Deshmukh, Chief Engineer of the Maharashtra Public Works Department S.T. Walekarand Chief Lift Inspector of Maharashtra S.N.Bhasme. The inauguration proceedings began withthe lighting of the ceremonial lamp. With camerasflashing, Deshmukh cut the ribbon to formally openIEE Expo 2010. The magnanimity of the stalls (if they could be

called such) and gleaming elevators within gaveone a feeling that this was not a temporary setup.Johnson Lifts Pvt. Ltd.’s pavilion, declaring “Proud to

Bottom: The lighting of the ceremonial lamp

Top: M.V. Deshmukh cuts the entry ribbon to begin IEE Expo 2010.

Events

Continued

There were many thoughts, comments and criti-cal statements that questioned whether it madesense to hold such an exhibition during these timesof economic downturn. The Indian economy hadseen its fair share of jerks, starts and rattling thatcould be experienced in a bad elevator ride. Thoughthe smaller Tech Forum held in Chennai in February2009 right after the Lehman Brothers debacle was asuccess, questions were raised on the wisdom behindscheduling a larger-scale expo, despite the evidentsigns of global economic recovery. While India hadmanaged to remain relatively unscathed throughthe economic bloodbath, some regulars at the previousevents conveyed their decision to back out based onthe global scenario. Yet, International Elevator andEscalator (IEE) Expo organizer Virgo Communications(led by Anitha Raghunath and G. Raghu), with advi-sor TAK Consulting, refused to be discouraged. Thedecision was helped by early input from the Study ofthe Indian Elevator and Escalator Market conductedby eResearch that indicated that the Indian industrymarket was on an upswing. The third edition of theexpo was thus set for February 3-5 at the largest hallof the Bombay Exhibition Centre, Mumbai.

IEE Expo 2010by Prabodh Hamilton

Exhibitors

IEE Expo 2010Continued

be Made in India,” stared youstraight in the face. An operatingescalator made in India (the first inover two decades) proudly stood intestimony to the company’s procla-mation. Toshiba Elevator & BuildingSystems Corp.’s banner, stating“World’s fastest Elevator manufac-turer,” just could not be ignored.Concord had displayed operationaldoors that quietly demonstrated thesturdiness of its elevator doors,while City Lifts (with its hugeKinetek permanent-magnet [PM]gearless machine) offered a high-speed product. The huge stalls of the new en-

trants to the Indian industry market,like Fermator, Sematic and Wittur,just went further to reaffirm theircommitment to India. The dozensuppliers to the hydraulic elevatorsegment, like Blain, Bucher, GMVSpa, Hydro Pneumatic, Jai Ashapura,Kleemann, Universal and Zagro,stood to demonstrate that they, too,had places in the new “green” world.In fact, Blain’s open challenge (madein its “Hydraulic Elevators, Bustingthe Myths”) to the anti-hydrauliccampaigners to a debate had notakers. Global guide-rail suppliersMonteferro, Savera, Asray, Marazziand PMT established that Indianusers were becoming more discern-ing as far as elevator-ride qualitywas concerned. The joint-ventureentities between Indian and foreignplayers, like Prisma DSA, Hephzi Elevators Pvt. Ltd. and MAS Indus-tries (which were the result of rela-tionships that had been built fromthe first IEE Expo in 2007), stood asmore evidence to the role the IEEExpo was playing in the Indian indus-try. The presence of representativesfrom Chinese, German, Italian, Span-ish and Turkish industry associationsreinforced the importance of the In-dian market in the global scenario.

Exhibitors

Concurrent workshops and semi-nars were also conducted to enablein-depth discussion and under-standing of detailed topics. The first,on February 3, was a whole-dayworkshop on fire lifts, followed by awhole-day series of seminars ontechnical advancements. A specialworkshop on fire lifts was conductedby TAK Mathews. This was attendedby over 100 diverse experts fromfire authorities, developers, archi-tects, consultants and the elevatorindustry. The panel discussion waschaired by Dheri, Suresh, Deshmukhand S. Veeramani. The workshopwas a pathfinding effort in bringingtogether key decision makers.Day one of the expo concluded

with a musical fusion night, whichgave the exhibitors a well-deserved opportunity to sit and relaxwith industry players and enjoy thefusion music from various musicalinstruments performed by the GreenRhythms, a group of young musiciansfrom Bangalore. The village theme,exotic Indian food and Africanmusic made the evening a grandsuccess. Though the intention wasthat exhibitors would sit down andrelax, before long, the beat hadeverybody on their feet.The topics (to be published as

technical papers in ELEVATOR WORLDIndia) covered at the February 4 se-ries of technical seminars on latestadvancements in the elevator andescalator industry were as follows:� “Analysis of El evator Ride Qualityand Vibration” by Gregory P.Lorsbach, president, PhysicalMeasurement Technologies

� “Inclined lifts, Another way to thetop” by Achim Hütter, managingdirector, Hütter Aufzüge

� “CANopen in Lifts” by Sudhir Abhyankar, manager operation,Global Technology, Can in Au-tomation, India

� “Hydraulic Elevators – Bustingthe Myths” by Parag Mehta, Blain Hydraulics

Continued


well done. Getting all the ‘bigwigs’ [together] musthave been a Herculean task. Keep up the good workthat you all have started.”Virgo Communications has already announced its

next events: a Tech Forum in February 2011 inDelhi, followed by the fourth edition of the IEE Expoin Mumbai in February 2012.

Prabodh Hamilton is the Business Development director at TAK

Consulting Pvt. Ltd. He has more than 17 years of experience in client

servicing and business development, licensing. Prior to joining TAK

Consulting, he worked at Ogilvy & Mather.

� “The Elevator Management System: A Nonpropri-etary Approach” by Dinesh Musalekar, director, TLJones India

� “Unraveling ACPM Machines” by Gary Ward, vicepresident of Sales and Marketing, Imperial Elec-tric, and Palvinder Hayer The three-day expo comprised of 120 exhibitors and

drew visitors of over 7,000 people from 30 coun-tries. As day three came to a close and a kind ofhush filled the air, it was evident that this was another successfully conducted expo. Such was thesuccess that the suppliers who had decided to with-draw from participating at this edition of expo surelymust have regretted their decisions. The commentsfrom Trevor Rodericks, a visitor and veteran of the Indian industry, summed up the expo:

“Another successful exhibition; well done and all thevery best for the future. India is growing, in its eleva-tor development, in new products, as well as [in] fin-ish. Spade work for the workshop on fire lifts wasso thoroughly done by you and your team, therewas no ambiguity in your PowerPoint presentation;

The musical fusion reception on the first night of the expo featured theGreen Rhythms, which kept the excitement of the day going.

(l-r) ELEVATOR WORLD’s T. Bruce MacKinnon and Achim Hütter of Hütter Aufzüge

IEE Expo 2010Continued

The IEE Expo was well represented by manycompanies from both India and the other parts ofthe world, such as Germany, the U.K., Italy, theNetherlands, Switzerland, Turkey, Spain and theU.S. There were not many large multinational com-panies, like Otis, Mitsubishi Electric, KONE andSchindler, present. However, there was the notice-able presence of Toshiba Elevator.There were many companies dealing with parts

and elevator components such as ropes, automaticdoors, control parts, rescue devices, measuring in-struments, modernization tools, etc. These compa-nies’ booths garnered much attention. Many com-panies that sell and manufacture electroniccomponents were present, as well. Their boothswere well crowded by engineers from various liftcompanies in India and the Middle East. Eros Eleva-tor Pvt. Ltd., Bharat Bijlee, Heena Engg. Co. andMaxton Group were showing traction machineryand car-parking elevators that attracted a worthycrowd.The China Pavilion occupied a very big space and

was attractive with catalogs in various names. ToshibaElevator helped provide an international perspec-tive by appearing with a full, dedicated team, includ-ing Executive Vice President and Chief TechnologyExecutive Mr. Harada. The company showed a DVDabout its Guinness world-record fastest elevator inTaipei 101, which travels at 1,010 mpm. Technocratsand young engineers inquired about this technologyand received good answers from design engineersand technologists. Toshiba Elevators also displayed a miniature

model of its double-deck elevator featuring auto-matic adjustment of floor height by ball screw. Itwas well demonstrated that double-deck elevatorsare a mass transportation solution, to keep peoplemoving through high-rise buildings, while also min-imizing space used and enhancing operating effi-ciency. This type of elevator is installed in theShanghai World Financial Center in Shanghai.Shunichi Kimura, president and CEO of Toshiba

Elevator, set the target before the company’s team

executives that Toshiba Elevator is to be one in fivein global market share by 2015. T.Bruce MacKinnon,EW executive vice president and chief operating of-ficer, interviewed Toshiba Elevator Senior ManagerTakashi Sasanuma about new products. Sasanumatold him that Toshiba Elevator had invented the firstmagnet suspension, in which an elevator will runwithout touching elevator guide rails, providinghigh riding comfort. Sasanuma also explained thathis company has received an order for a 600-mpmelevator with a capacity of 40 persons in Japan. Hesaid that this is the first of its kind and requires a lotof design parameters. MacKinnon asked whetherToshiba could manufacture an elevator to surpassthe speed of its current record holder. Sasanumareplied that it is possible, but that no such inquiriesfrom real-estate developers had been made.More visitors attended the expo than expected.

Most were elevator suppliers, and maintenance andmodernization companies. Also this time, the Expoattracted many large builders and their representa-tives visiting the event. Some attendees were look-ing to educate themselves on elevator technology.Many of these proved their interest by frequentingthe EW stall. Here, they could receive a free 2005 Elevator Industry Field Employees’ Safety Handbook. This exhibition had more response and atten-

dance than expected. The 2010 iteration of the IEEExpo was a very encouraging one, and until the finalhours of the third day, there was a huge crowd. �

(l-r) Takashi Sasanuma, senior manager, Toshiba Elevator, withT.Bruce MacKinnon

Toshiba has an International Perspectiveby M.J. Mohamed Iqbal


Technology

The intent of this article is to provide a degree of prac-tical education about the AC permanent-magnet (ACPM)synchronous machines that are replacing traditional ACand DC technology in the elevator industry. Much of thecontent of this article is based on a Kinetek presentationat the 2010 International Elevator & Escalator Expo thattook place on February 3-5 in Mumbai.RecapLooking back to about 1900, large DC machines were

the workhorse of the elevator industry. DC machineswere available in both geared and gearless machine con-figurations. DC machine drawbacks included both largesize and weight and comparative complexity, affectingboth control and maintenance. In approximately 1930,single-speed AC machines began to be widely used withsmaller passenger elevators. These machines offered reduced size and complexity, durability and ease of main-tenance. Motor/generator sets, entering the market inabout 1940, provided the load-lifting capability of the DCmotor and surmounted earlier control drawbacks. DC hoist motors provided a significant second wind

when silicon-controlled rectifier (SCR) drives arrived inthe 1970s. SCR drives provided excellent control of DCmotors, without requiring a generator. They even allowedmotor/generator sets to be modernized by simply remov-ing the generator from the circuit. SCR drives sufferedfrom noise and difficulty approximating a clean sine wave,however. In the 1990s, significant progress in AC inverter-drive technology allowed AC motors and machines to expand their usefulness and application, improving theirload range and providing smooth control across a widespeed range. However, heavy cars and high speeds con-tinued to provide a market for DC machines.The ACPM machine appeared in about 1995 and con-

tinues to be often regarded as the better choice for mostelevator applications. ACPM machines are lighter andsmaller than DC machines, provide smooth power acrossa wide range, are extremely durable and maintenancefriendly, and are approximately 35% efficient than compa-rable AC-induction solutions.ACPM TechnologyIn ACPM machines, the gearbox (a necessity when

using AC-induction motors to lift heavier loads) is elimi-nated, along with its inefficiency, noise, vibration and

gear lubricant leakage. ACPM gearless machines allowheavier loads to be moved at greater speeds – up to 7 mpsin 1:1-roped installations or 3.5 mps with 2:1 roping.ACPM machines provide high starting torque without requiring a gearbox. CompatibilityDrives from most major manufacturers are capable of

operating ACPM machines. The more sophisticateddrives are capable of “learning” the machine’s character-istics to establish critical parameters without requiringuser data entry. The learning process is intended to en-sure the best possible performance for the drive/machinecombination. One example of a product with this tech-nology is the new Kinetek Fusion™ integrated elevatorcontrol, which combines elevator drive and control logicin a single unit. This device provides advanced learningcapabilities for both ACPM and AC induction motors.ConstructionThe permanent magnets at the heart of ACPM technol-

ogy are “rare earth” magnets made of iron oxide, bromineand other metal oxides such as hematite and magnetite.These materials are finely ground, and the resulting slurryis formed under extremely high pressure, heated, sintered,formed, ground, polished and, finally, magnetized. Magnetsof these materials are also known as “ceramic” magnetsand may be ceramic ferrite, neodymium, plastic-bondedneobymium, etc.Ceramic permanent magnets are electrically noncon-

ductive, cost effective, readily available and able to offerextremely powerful, permanent magnetic fields. Thesemagnets have found applications in DC motors, brushlessDC motors, synchronous motors, water pumps, loud-speakers, couplings, water meters and traditional mag-netic adherence applications.Magnets Specific to ACPM Elevator MachinesGearless AC synchronous elevator machines use

neodymium ceramic magnets. These magnets are madeof a combination of neodymium, iron and boron, and became available in the late 1970s. Characteristics ofneodymium magnets include good power in relation totheir size, the capability of lifting up to 1,300 times theirown mass and relatively high production costs (offset byusability and power factors). Neodymium magnet magne-tization is permanent and does not weaken over time.

Unraveling ACPM Machinesby Gary Ward and Palvinder Hayer

Presented at the

Figure 1: Three-phaseACPM motors consist ofa stator employing elec-tromagnetic windingsand a rotor employingneodymium magnets.


HistoryACPM motors are field proven in the elevator industry.

Since their first appearance in the KONE EcoSpace™ linein 1992, through the Otis Gen2®, and now Kinetek’s product line, ACPM motors have proven to be extremelydurable, reliable and energy efficient. Importantly, ACPMmachines provide a high ride quality across a broad rangeof acceleration, contract speeds and load requirements.About KinetekKinetek is a private U.S.-based manufacturing com-

pany employing more than 2,500 people, including over300 degreed engineers, at 28 global facilities. The com-pany has 13 design centers and provides a broad range ofproduct technology and capabilities. Kinetek serves world-wide markets, with motors, complete machines, drives,controllers, modular controller board sets, uninterruptible-power-supply-based emergency power sources and more.

Gary Ward is vice president of Sales and Marketing for Kinetek.

Palvinder Hayer is director of Technical Support for Kinetek.

ACPM machine construction at Kinetek’s factoryFirst tooling parts evaluation

ACPM machine load testing

PROFILE END VIEWEnclosure

Magnets

Rotor

Stator

Windings

StatorRotor

Shaft

AirStatorWinding


Readers’ Platform

Fire in High Rise Buildings: The Role of the Elevatorby Rajnikant Lad

Rajnikant Lad is an inde-

pendent elevator consult-

ant. He has worked with

ECE, ESCON and KONE

in various elevator field op-

erations for about 20 years.

Lad can be reached at

e-mail: [email protected].

The usual warning near elevatorentrances, “In Case of Fire Do NotUse Elevator, Use Stairs” needs to bereplaced by the more useful warningof “Use the Elevator During Fireunder Firemen’s Guidance.” But touse this warning, we need to studythe elevator operation and fire situa-tion in a building. This is not a sim-ple task and cannot be handled ordecided by the elevator industryalone. It requires the joint effort ofthe fire department, town planningdepartment/municipal authority, el-evator licensing authority, architectand all other agencies directly or indirectly involved in designing, con-structing and maintaining buildingsand elevators.

Before going into further detail ofthe subject, let me explain the reasonsfor not using the elevator during abuilding fire:1) It is very common to switch off the

power supply to the building dur-ing any fire.

2) Fire or smoke may get into the elevator cabin and endanger thelives of the passengers.

3) The fire/heat due to fire near elevators may damage the equip-ment, resulting in breakdown.

4) The uncontrolled rush of pas -sengers during emergencies maycause breakdown of the elevator.

5) Water used by fire personnel dur-ing fire control may enter thehoistway and damage/short cir-cuit electrical equipment, leadingto breakdown.If we study each above reason and

the proposed solutions individually, I am sure our thought process willchange. These points and the fol -lowing will bring all the agencies in-

volved together to rethink the sub-ject and work out some common acceptable design features that willhelp us make elevator services avail-able during fire in buildings. Thoughts on Each Point1) Considering the threat of extend-

ing the fire, it is a general practiceto switch off the supply to thebuilding during a fire. But if the elevator power supply cables aretaken separately right from thedistribution panel to the elevatorcontrol room through the elevatorduct, we can run the elevator aslong as the fire is not near thehoistway. This is the general prac-tice and a requirement of the liftrules. The use of elevators in firesshould be under firemen’s controlonly.

2) During a fire, the smoke will movetoward the lower-pressure areas.It may enter the elevator lobbyand hoistway. The hoistway willwork like a pump, and any move-ment of the elevator will suck thesmoke inside the hoistway, threat-ening elevator users during a fire.

The best recommendation is tohave the hoistway pressurized toa positive pressure so that thesmoke does not enter the hoistwayand elevator cabin. In this case, theelevator lobby will also need to bepressurized so that the smoke doesnot affect passengers gatherednear it during rescue operations.

In fact, pressurization of hoist-way and lobby is mentioned in the National Building Code (NBC) 2005,Part 4, Annex C, points g and h.However, pressurization of an el-evator system in a building tallerthan 20 floors building will be a


great technical and financial exercise. The easiest solution is to have an external elevator for fire use. Theelevator lobby would be on the outer side of the mainbuilding. With the lobby outside the building, the den-sity of smoke will be less and will not affect passengersmuch during fire.

3) As per the Lift Act and NBC, the fire lift landing doorsshall have one hour of fire resistance, and the lift enclosure shall have two hours of fire resistance. Inaddition to doors, there are call buttons and positionindicators installed near the elevator entrances. If thelanding call buttons and position indicators are alsomade to have at least one hour of fire resistance, thenthe elevator can be safely used during fire emergencies.Another solution would be to have the elevator under

firemen’s control during fire operation through aswitch. The operation of this switch would disconnectall landing calls, and the elevator could be operatedfrom inside the car (only car calls would be accepted).If we modify our control in such a way that upon acti-vation of the fireman’s switch, the supply to all landingcall buttons and position indicators installed on thefloors would be disconnected, the possibility of shortcircuit through these will be overcome. In this case,there is no need to make landing call buttons and indicators fire resistant.

4) During a fire, everyone will try to reach a safer place asfast a possible. Resultantly, if elevator services areavailable, there will be a problem of overcrowding/overloading. As per the NBC, for operation of an eleva-tor during a fire, fire-department personnel have con-trol of the elevator’s operation. Therefore, if firefighterstake the control of the movement of the occupants,

elevators can be used very well to carry out the evac-uation operation. The fire department should makethis procedure part of its rescue training and drill forsuch a situation.

5) During firefighting operation, a spray of water mayenter the hoistway and short circuit the electrical con-nection of locks, indicators, call buttons and othershaft equipment. It is a general practice to keep the elevator entrance level higher than the floor level sothat water does not run into the hoistway. This takescare of water accumulation during regular floorwashes. But during firefighting operation, the amountof water flow is much greater.As explained in my third point, if we modify our con-

trol and disconnect the supply to the landing call button and position indicator on activation of the fire-man’s control switch, there should be no possibility ofshort circuit through these. For the landing-door lockcontacts and door operator, if we provide coveringwith a suitable gasket, we can protect water enteringthese electrical points and avoid short circuit. Addi-tionally, shaft switches and limit switches can be pro-tected with suitable coverings to ensure their functionsduring water spray. Also, If the fire elevator is providedfrom outside of the building, the possibility of waterdetaining elevator operation will be avoided to a greatextent.There will be a number of questions on the above pro-

posals, but if we start working on these lines, we canmake complete workable solutions, and the those in theelevator and building industry will be able to displayproudly, “Use the Elevator During Fire under Firemen’sGuidance.” �

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IndiaELEVåTORWÅRLDIssue 1, Volume 3

Cover: Chennai TravelatorsProject of the Year WinnersIEE Expo Preview The Official Magazine of the IEE Expo


Events

The International Elevator & Escalator (IEE Expo)2010, held in Mumbai on February 3-5, was an impressiveshow with exhibitors from all over the world. There werecompanies present from the U.S., Canada, the U.K.,Switzerland, Turkey, Spain, Dubai, the Netherlands,Japan, Greece and India.

The CiA booth

CANbus is widely used for elevator and escalator con-trol, with the advantage of a serial bus providing a reduc-tion in wiring. Can in Automation (CiA) representativeGlobal Technology had a booth at the IEE Expo to informvisitors on the latest development trends in elevators andescalators using Controller Area Network (CAN) profiles.Sudhir Abhyankar gave a presentation on CAN/CANopenduring the expo. He explained the basics of CAN duringhis short session by demonstrating how CANopen is use-ful for elevator applications.

Figure 1: Typical CAN communication on a two-wire bus

Opto-coupler

Opto-coupler

Opto-coupler

Opto-coupler

TransmittingCAN node

ReceivingCAN node

Transceiver Transceiver

Signal propagation

Signal propagationfor Identifier and ACK

CiA at the IEE Expo in Mumbaiby Sudhir Abhyankar

Base and Extended CAN-IDS

Figure 2: Base CAN data frame format. MSB (first bit) Extended CAN data frame format. MSB (first bit)

CAN is a message-driven protocol with a principle tocommunicate as little as possible. Each message is rec-ognized by 11 identifiers in the basic CAN data frame.This provides a maximum of 2048 messages. Twenty-two-bit identifiers provide more messages with, of course,some tradeoffs (like reduced accuracy of cyclic redun-dancy check and more time for packet transmission). Allof the nodes on CANbus can send and receive messages.Any node that needs to send messages must check thebus availability in order to start sending, while all othernodes go into listening mode. However, if two or morenodes transmit the messages simultaneously, then mes-sages with more priority drop out systematically withoutlosing time. The receiving node(s) can determine if the current

message is meant for it (them). If it is not, the message isignored. Normally, bidirectional communication betweentwo nodes is seldom needed, except during system ini-tialization. The other powerful features (Figure 3) in theprotocol take full care of reliable communication anderror detection without time overhead.The electrical signals on the two-wire bus are con-

verted from transceiver chips to bits, and then assembledby the CAN controllers into CAN packets. The interpreta-tion of the data received in a packet is done with higher-layer protocols, such as the CANopen protocol and theprofiles standardized by CiA. Continued

SO

F

Bit 2

8

Bit 2

7

(base) ID

Arbitration field

…

Bit 1

9

Bit 1

8

RT

R

IDE

r0

Bit 3

Bit 2

Bit 1

Bit 0

DLC

Control field

Byte

0

Byte

1

Byte

6

Byte

7

…

Data field

Bit 1

4

Bit 1

3

Sequence

…

Bit 1

Bit 0

Delim

iter

CRC field

MSB (first bit transmitted) LSB

SO

F

Bit 2

8

Bit 2

7

(base) ID

Arbitration field

…

Bit 1

9

Bit 1

8

SR

R

IDE

Bit 1

7

Bit 1

6

(extended) ID

…

Bit 1

Bit 0

RT

R

r1 r0

Bit 3

Bit 2

Bit 1

Bit 0

DLC

Control field

Byte

0

Byte

1

Byte

6

Byte

7

…

Data field

Bit 1

4

Bit 1

3

Sequence

…

Bit 1

Bit 0

Delim

iter

CRC field

LSBMSB (first bit transmitted)

Base CAN data frame format

Extended CAN data frame format

Trade-offs:

- Longer bus latency time (20 bit-times)

- Longer frames (20 bit-times plus stuff-bits)

- Reduced CRC performance


Events Continued

CANopen Specification for Lift Control SystemsCAN in lift control applications has been used for many

years by major lift manufacturing companies. In 2002,several medium-sized companies decided to move to astandard higher-layer protocol based on CAN. Some de-cided to use CANopen as a basis for this standard. Thegoal was to have some kind of plug-and-play lift-controlsystem for any standard lift application. The result of thestandardization work is the CANopen application profilefor lift control systems CiA DSP 417. By using this stan-dard, it is possible to build a lift application with a maxi-mum of 254 floors and eight parallel lifts. CANopen Basics CANopen is a set of network protocol specifications

based on CAN that is used in most modern passengercars. The CAN controller chips are sold in high volume(some 300 million every year). However, CAN is just adata link layer protocol. In human communication, onewould call this a character set. In order to communicatebetween human beings, one needs a language made upof grammar and vocabulary. In network technology,these are called application layer and application profile.The application layer defines the communication proto-cols to be used (comparable to grammar), and the appli-cation profile defines all of the parameters and signals.The CANopen protocols are specified in the EN 50325 Eu-ropean standard. The CANopen Lift Profile CiA’s CANopen Special Interest Group lift developed

the DSP 417 specification which describes the communi-cation in a multiple lift control system. The exhibitingcompanies at Interlift 2009 in Augsburg, Germany,showed prototypes of panels, drives, doors, controllers,etc. compliant to the CANopen lift standard. The CANopenlift specification is available for CiA members for free andmay be implemented without license fees. The specifica-tion describes the default communication of a controlsystem for up to eight lifts with up to 254 floors each. The

Powerful Features

1. 16 bit CRC Check

2. Acknowledge bit

3. Form Error Detection

4. Node Send / receive Error counter

5. Bit stuffing for proper synchronisation

6. Bus control for more Priority messages

7. NRZ encoding for max bandwidth

8. Differential signal on bus for noise immunity

9. Collision avoiding without data loss

10. Wiring Reduction

Figure 3

Devoted to the actual process of installation, this book provides the specific information you need concerning safety, material handling, guide rails, pit structures, construction wiring, hydraulics, machine rooms, counterweight assemblies…and much more!

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Cover the Basics

default communication can be changed via configura-tion. The lift application profile defines so-called virtualdevices. A physical device may implement several virtualdevices. However, a virtual device cannot be distributed todifferent CANopen physical devices. The following virtualdevices are specified:

� Drive controller � Call controller � Display controller � Car-door controller � Car drive unit � Car position unit � Car door unit � Light barrier � Car panel � Car display � Sensor unit � Load-measuring unit � Panel input unit � Panel output unit All of these virtual devices implement mandatory func-

tions as well as optional behavior. For example, the car-door controller transmits the control word to the car-doorunit, commanding the door to open or close. The door unitresponds with its status word via the CANopen networkto the control system. The car-door controller also receivesthe light-barrier status information via the network. The virtual-device concept allows the introduction of

user-transparent gateways. CANopen networks are limitedto 127 devices in one network (currently available CANtransceivers may even restrict this figure to a lower number).Gateways may overcome this limitation. The gateway mayimplement up to 254 virtual devices on each side and rep-resent them to the other interface. The use of gateways alsosolves the problem of busloads being too high. The virtual-device definitions for the car drive unit

(motion controller) and car position unit (encoder) followthe generic CANopen device profiles for motion controllers

Requesting(confirming)

device

Indicating(confirming)

device

CAN data linklayer

CAN physicallayer

CAN data linklayer

CAN physicallayer

Recessive Recessive

COB –communication object

CANopenapplication

layer

CANopenapplication

layer

CANopen COB

CAN frame(s)

CANopen application layer

Dominant

Figure 4


(CiA DSP 402) and encoders (CiA DS 406). However, inlift control applications, they use different object dic-tionary entries. This is because the application profileuses the same object dictionary in all physical devices.In addition, any process data object (PDO) communica-tion is predefined by methods other than the generic device profiles. The lift application profile also predefinesthe PDO communication between the devices. No simplemaster/slave communication is specified.For example, the car door controller and the car drive

controller receive the car position unit information. Thebenefit of this application profile for lift system designersis that they do not have to deal with the communicationdetails. Everything is predefined by the lift applicationprofile. However, if a different behavior is required, sys-tem designers may configure the functionality to bechanged. The specification is open to this kind of cus-tomer-specific behavior. Highly sophisticated tools,which implement the lift application profile details, areavailable for this purpose.

Sudhir Abhyankar is the manager of operations for Global Technology and

a CiA India representative.

www.elevator-jobs.com

Jobs available worldwide in the Elevator Industry

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skyline indiarecruit.com pvt. ltd.44-Deccan Court, 259-SV Road,

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Tel: (+91 22) 26558076, 26410877



Technology

The Elevator Management System: A Nonproprietary Approachby Dinesh Musalekar

BackgroundWith the increase in the complex-

ity and magnitude of constructionprojects around the globe in the lastdecade, the need to have a centralsystem in a building or group ofbuildings, not only to monitor, butalso to control a few aspects of theelevators, has emerged as a distinctneed. The elevator management sys-tem (EMS) thus becomes the criticaland essential requirement of megaprojects like large townships, largecommercial complexes, informa-tion-technology parks, metros, air-ports, mixed projects involving en-tertainment hubs and malls thatinvolve 20-200 elevators. All of theelevators and escalators in thesepremises can be connected to onecentral EMS.What Is the EMS? EMS is comprised of three ele-

ments: monitoring, controlling andstatistics.

MonitoringIn an EMS, all elevators and esca-

lators are graphically simulated, andtheir status is displayed on a singlescreen. This is a real-time status ofthe lifts and escalators. The eleva-tors are displayed in different groupsin the order of their physical presence.When the single screen is unable toaccommodate all the groups/elevators,they are viewed by going to the nextpages of the monitoring screen. Whilewe graphically view a set (groups) ofelevator information on the screen,the status of the remaining groups ofelevators on the other pages areavail able on the same screen in atabular form, as shown in Figure 1.This graphical status displays the elevator position, direction of traveland door status, such as opening,closing, car calls registered, hall callsregistered and pending, etc.The monitoring screen can be

changed from the end-user-friendly

Dinesh Musalekar is a

director of TL Jones, India

and heads its operations. He

has 17 years of experience

in the elevator industry and

has worked in the sales,

installation, modernization

and engineering depart-

ments of major OEMs. He

has a graduate engineering degree in Electronics

and Communications and a postgraduate degree

in Management.Figure 1

Presented at the

75

graphical monitoring screen to an elevatorsignal/operation monitoring screen. This ismore useful for elevator mechanics to mon-itor the status of various input and outputsignals, and operational modes of all eleva-tors of the entire project. He or she can sit atone central location and immediately iden-tify faults (and even anticipate new faultsbefore they occur) and stop the elevators.ControllingThe controlling options involve giving

operational commands to either individualelevators or groups of elevators. These com-mands can be given in either real-time ortime-based commands. Individual elevatorcommands could be to put the elevator in“Attendant Mode” or “Independent Mode,”or schedule a shutdown of the elevator. Group commands could be integrated

with other systems of the building and canbe used to control them (e.g., to switch theaccess card system for the elevators on oroff, or to integrate with the building fire-alarm system). One more important fea-ture is to control the car-call buttonsand/or hall-call buttons. One can block orrelease these individual car- and hall-callbuttons of all the elevators with the click ofthe mouse. Of course, these controls aregiven to authorized building-maintenancepersonnel with unique passwords.StatisticsReal-time historical data about all the

elevators attached to the EMS are continu-ously recorded. The date and time be-tween which the data to be analyzed canbe entered in the fields “From” and “To,”and the system can be run to obtain statis-tics such as the average wait time of land-ing or lobby calls (Figure 3).This feature could be particularly useful

for analyzing the sequence of events andvarious input/output statuses that haveoccurred before an elevator breakdown.This could help the elevator mechanic di-agnose and fix the problem efficiently andeffectively. System ArchitectureThe system architecture of the EMS is as

shown in Figure 4 and essentially involvesthe following elements. Continued

Figure 2

Figure 4

Figure 3

• Issue 2, Volume 3 • elevatorworldindia.com



Lift Interface Module The lift interface module is the most important part of

the system. Here, the EMS is expected to read/tap the in-dividual lift information. This can be done by reading theinformation from the serial link of the individual elevators(only possible if the elevator OEM shares its protocol withthe suppliers of the elevator maintenance system) or byreading the various input and output (I/O) signals dis-cretely though I/O ports.Individual lifts’ discrete input and output signals are

terminated at the terminating points. The input cards canread the signals through the opto couplers, ensuring elec-trical isolation from the elevator signals to the EMS. Theoutput card provides the signals to the elevator throughthe potential free contacts, again ensuring electrical iso-lation from the system to the elevators. The EMS also contains the RS 485 controller card and

bus board for communication with the group controller.Communication with the various lift interface modulesconnected to each individual elevators and the groupcontroller takes place as using the RS 485 link.Input and Output Signal Termination The I/O signals are terminated at the lift interface

module, maintaining the aforementioned electrical isola-tion. Input signals, like floor numbers, directionof travel, lift status, door status, registeredcar/hall calls, etc., can be monitored. The inputsfrom the building’s other system, such as fire, access control, etc. can also be read and subse-quently used to command elevator behaviors.Similarly, the commands can be given from the

EMS to the elevators through the output boards.These could include parking, attendant, independ-ent or shutdown signals. The connection wouldtypically look like what is shown in Figure 9.Current Scenario in IndiaVery few elite projects in India have full-

fledged EMSs being supplied and installed, as

Figure 5 Figure 6

Figure 7

PC and RS 422 InterfaceThe PC loaded with the EMS software is located in the

control room or the building management system room.This PC is connected to the RS 422 interface located inthe control room via an RS 422 peripheral component in-terconnect (PCI) card within the PC. This, coupled withthe RS 422 interface, provides the RS 422 port multiplex-ing interface to the group controllers located in each ma-chine room/group of elevators. The RS 422 interface isavailable in different models, with eight, 16 or 32 ports.Depending upon the number of groups being connectedto the EMS, the RS 422 interface model can be selected.Group Control UnitsGroup control units are installed one per group, usu-

ally in the machine room or with one of the controllers ofthe group (in the case of machine-room-less elevators).The interface between the RS 422 converter interface andthe group control units is as shown in Figure 5.The communication between the group controller in

each group and the RS 422 converter interface is via RS422 twisted pairs. Each group gets connected to a specificport of RS 422. The TX +/- of the RS 422 converter portgets connected to the RX +/- of the group controller’s RS422 port and vice versa.

the major elevator OEMs connectunits to their own specific sys-tems. There are few other projectsin which very limited lift informa-tion is displayed in the buildingmanagement system by using onlya few free contacts from the eleva-tors. These setups only providebasic and limited monitoring.Many other projects in the countryhave no such arrangements. Why the Nonproprietary Approach? It’s needless to say that EMSs

are useful when a large number of elevators is involved. On many occasions, it takes lift mechanicsin large complexes more time tolocate the elevator to be attendedto or passengers to be rescuedthan the actual time they take tofix it. Building owners have thefollowing challenges:� When they have more than onemajor elevator company sup-plying the elevators in thepremise, which options do theyhave? Should they go with morethan one EMS in the building?

� When they have other buildingservices, like access cards or firesystems to work in conjunctionwith the EMS to give commandsto the elevators, who does theapplications engineering?

� When they have second-tier el-evator manufacturers supplyingelevators, who should they lookto for providing an elevatormanagement solution?

ConclusionThe system described here provides a complete solu-

tion to most of the current challenges. Third-party expertscan provide applications engineering to various unit com-

Figure 9


Figure 8

binations and situations. Your author would like to urgethe major OEMs to share their protocol on the projectbasis with the third-party experts to provide better solu-tions to end users, in turn helping the OEMs also bettermaintain their elevators. �

other industry professionals and decision makers received this today.other industry professionals and decision makers received this today.

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Public Safety

Elevators for Improving Life Safetyby Samson Rajan Babu

IntroductionEvery new high-rise project has a

mandatory requirement of life safetyassessment by the authority havingjurisdiction. An architect has to ensure that the building has been designed to meet the life safety codesas mandated by the local civil de-fense authorities and municipalities.Though “fire emergency” has meant“life safety” for many years, post9/11 incidents have resulted in theneed for considering other sorts ofemergencies. Hence, architects andplanners have the responsibility ofenhancing life safety features withinprojects by employing suitable equip-ment and technology.The National Fire Protection Asso-

ciation (NFPA) series of life safetycodes are followed for all types ofoccupancies in most parts of theworld. For healthcare facilities, addi-tional considerations are made usingBritish Health Technical Memorandum(HTM) codes. The code requirementsvary according to the type of occu-pancy of the planned building. “Lifesafety scheme approval” is an impor-tant phase in the design of a build-ing, wherein, design experts analyzethe risk elements and identify theideal evacuation concept. It incorp -orates suitably sized means ofegress, locating them within easyreach of occupants and considera-tions for the disabled, all accordingto the NFPA life safety codes. Forspecialized buildings (such as highrise, towers, healthcare, amusementparks), this process takes on moreimportance in that a number of revi-sions are required.

The architect (sometimes with thehelp of a specialist) prepares a set oflife safety drawings and life safetyreports for submission and approvalby the local civil defense authorities.Various elements that help in evacu-ation in case of emergency are high-lighted on these drawings. The au-thorities review the provisions andapprove and/or demand more to grantan approval.In approving any “life safety

scheme,” the authorities must lookfor the provision of firefighter eleva-tors. Even though the minimum requirement is one fireman’s eleva-tor per building, authorities may demand more fireman’s elevators,depending on the floor plate and access conditions.Evacuation ManagementAny professionally managed build-

ing should have an in-house team of emergency responders for crisismanagement. This team should havean evacuation manager, evacuationcoordinators, floor wardens and anevacuation plan for different levelsof threats. They should also be fam -iliar with the tools and equipmentavailable for evacuation purposes,regularly test such equipment, main-tain upkeep records of such equip-ment and conduct evacuation drillsregularly to familiarize the occupantswith the egress options availablewithin the building.Traditionally, occupants have been

advised not to use elevators in caseof fire. The NFPA codes recommendthis in order to avoid occupants misusing them. However, the NFPAcodes allow the elevators to be used

Samson Rajan Babu is a vertical transportation

engineer for Burt Hill in Dubai. He has more than

11 years of experience in project design, project

management and project sales of elevators and

escalators, including more than 10 years in the Gulf

of Arabia region. His current responsibilities in-

clude expert services on project planning, vertical-

transportation system design, project execution

quality control for elevator and escalator systems

and interfacing with other trades (life safety,

mechanical, electrical, fire fighting, interiors, and

BMS/IT systems). His areas of expertise includes

destination controls, double-deck systems, super-

high-rise buildings, evacuation elevators and evac-

uation communication systems. He is a member of

the International Association of Elevator Engineers

in the U.K. He received his Bachelor of Mechanical

Engineering in May 1994 from the College of

Engineering (Guindy), Anna University, Chennai,

Tamil Nadu, India.

Continued

Presented at the

Pol. Ind. Santa Ana C/El Torno,828522 Rivas Vaciamadrid (Madrid) SpainFax. +34 913001645 • Tel. +34 913001435e-mail: [email protected]

Dinacell Electronica, S.L.



as an “accessible means of egress” for people with dis-abilities and people having difficulty using stairs. The elevator-assisted evacuations are carried out by fire department personnel after acquiring elevator controlsby Phase-2 Firefighter’s Operation. Is it feasible to use the elevators for evacuation by

trained personnel within the building? More than feasi-ble, the requirement for “occupant controlled evacuation”is understood to such an extent that the NFPA 5000 safetycode now requires at least one first responders’ elevatorto be provided on high-rise buildings. (Clause 33.3.7)Occupant-Controlled EvacuationOccupant-controlled evacuation may be required in

both fire and non-fire emergency situations. Once anemergency has been identified, it is critical not to delayresponse, but instead act. Trained emergency responderswithin the building should be able to carry out occupant-controlled evacuation in order to save lives. When a fireis located far away from the elevator or elevator lobby,the elevators will not move on to Phase-1 recall and willinstead remain in normal operation. These elevators canbe used to evacuate the occupants. This scenario is alsosimilar to “non-fire evacuation.” Even when a fire is located closer to the elevator or eleva-

tor lobby, the working condition of the elevators can stillbe maintained in normal operation by means of “hardening”the elevator and its surroundings. “Hardening” means improvement of various elements such as:

Figure 1: Water protection features for elevator surroundings

Figure 2: Water protection elevator equipment inside hoistway

Elevator doors

Floor drainSloping floor

Trap

Sprinkler

Lobby doorswith seals

Fire level

Leakage waterfrom fire levelfloor

Firefighterslift car

1.0 mWater protectedzone in the welland on the car

Max leakagewater level inthe pit

Bridgehead

1) Protected elevator lobbies and elevator machine rooms2) Pre-action type sprinkler system inside elevator machinerooms

3) Fire rated elevator landing doors with flame guards4) Water protection 5) Limit water level inside pit not more than level of com-pressed buffer

6) Deflecting water away from elevator entrance 7) Trench drains near the lobby door8) Standby power to the elevator 9) Standby power to the machine room air conditioning.Note: Many of the above items are covered in EN 81-72:Firefighter’s lifts.To facilitate occupant-controlled elevator evacuation,

the requirement is to have real time information on thefollowing:a. Location and severity of fire – can be obtained from addressable fire alarm systems

b. Elevator operational status – can be obtained frommonitoring system/supervisory panel (Figure 3)

“Hi! Who’s the one person you’d most like to see at this moment?”


Figure 4: Elevator evacuation control switch at the main exit floor (along withmaster station of elevator evacuation communication system) (Courtesy: Drucegrove, the U.K.)

(a) (b) (c)Figure 5: (a) Master station at main exit floor; (b) Slave station (with callbutton) at upper floors; (c) Slave station (without call button) inside car(Courtesy: Drucegrove, the U.K.)

c. Elevator lobby and machine room condition – can beobtained through closed-circuit television cameras

d. Power supply status – can be obtained from building-management system (BMS) panelWith all of this information, the building management

team and the emergency responders on each floor candecide the evacuation strategy (total evacuation or pro-gressive evacuation or fractional evacuation).Evacuation Elevator Control SwitchIn order to gain exclusive control of the elevator for

occupant-controlled evacuation, NFPA5000 -Annex E recom-mends manually activating the phase-1 recall. (Usingphase-2 operation for occupant-controlled evacuation is tobe understood, though not detailed, within Annex E.) Fur-ther guidance on occupant-controlled evacuation elevatorscan be taken from HTM05-03 Part-E “Escape lifts in health-care premises.” This code recommends an “evacuationcontrol switch” located at the evacuation control point(i.e., the main exit floor) (Figures 4 and 5a).Evacuation Elevator Voice Communication SystemAt this point, human behavior during an emergency

evacuation should be considered. Unless reliable infor-mation is provided to occupants by authoritative persons,there will most likely be misconception, panic and rumors. The occupants will be uncertain of their status;whether to wait for an elevator, whether the elevators arein good working condition, etc. NFPA72 recommends asuitable means of communication (a public addressingsystem) for each floor as a part of the fire alarm system.This includes communication with elevator lobbies. It maybe noted that this is only a one-way communication fromthe command center to selected floors and/or lobbies.An occupant cannot initiate a call to the command center.

Figure 3: Elevator monitoring system/supervisory panel

Continued

Rotate the triangularkey in the triangularhole clockwise to the ON position

HTM05-03 part-E recommends an independent two-waycommunication system, which facilitates communicationbetween each elevator lobby, elevator car and the mainexit floor. A typical “elevator evacuation communicationsystem” is described as follows:

“The system consists of one or more stations havingmaster stations (with dialing pads) and the other stations(slave stations) which have push-to-call single buttons. A slave station inside a car usually does not have a push-to-call single button. All stations have built-in speakergrills and microphones to allow two-way communicationbetween any two stations.” (Figures 5a, 5b and 5c)“Typically, a master station is provided at the main exit

floor for an evacuation elevator. Slave stations are pro-vided at each elevator landing and machine room. Slavestations (without push-to-call buttons) are providedwithin the car.” (Figures 6a and 6b)

“The master stations have a display panel above thekeypad that displays “caller identification” (program -mable name-up to 13 characters) when receiving a callor the “station identification” when making a call. Alarmcalls can be made using the intercom system from anylanding to the master station(s). If more than one stationmakes an alarm call at the same time, their initiation willbe memorized and queued. Information is displayed giving the number of alarm calls and their priority on afirst-come/first-serve basis.” (Figures 7 and 8)

Note it is not possible to listen and talk at the same time(i.e., when pressing “talk” the speaker will not allow theincoming conversation to be heard).When the alarm button is pressed and held for one

second, the master stations will emit the alarm tone anddisplay the name and number of the alarming station.The word “alarm” will also be displayed above the left key.



When the left key is pressed, voice communication is madeto the alarmed station and “alarm” is replaced by theword “talk” (Figure 7). By pressing the left key, the master station can immediately talk to the calling station. Theperson at the calling station needs to do nothing in orderto hear the master station. The calling station will producea beep tone every 20 seconds to indicate that a call is inprogress and that the microphone is “open” or “live.” Iffurther alarm calls are made, they will be held in a queue.

To call the lift car, simply use the up and down keys to scroll through the list of programmed levels until thedesired recipient is found and press the left call key. It willthen be possible to talk to the lift operator in the lift carby pressing the left hand key for “talk” (Figure 8).

Evacuation Elevator Status IndicatorsIn order to improve the clarity of information sent to or

from the intercom stations, suitable visual indicators

(a) (b)Figure 6: (a) Elevator evacuation control switch at the main exit floor (alongwith master station of elevator evacuation communication system) (Cour-tesy: Drucegrove, the U.K.); (b) Slave station of elevator evacuation commu-nication system at upper floors.

Figure 7: Making/receiving calls between master station and slave stations(landing)

Figure 8: Making/receiving calls between master station and slave stations (car)

Left key

Down key

Left key

Down key

Display

Right key

Up key

Display

Right key

Up key

Left key

Down key

Left key

Down key

Display

Right key

Up key

Display

Right key

Up key

Rotate the triangular key inthe triangular

hole clockwise tothe ON position


have also been recommended by the above codes. Theseindicators convey the following information to occupantsand evacuation staff:� The elevator is available for evacuation use (at eachlanding)

� The elevator is not available for evacuation use (at eachlanding)

� The elevator landings at which occupants wait forevacuation (at main exit floor)NFPA5000-Annex E recommends color-coded lights

along with the above illuminated displays to confirm thestatus of the elevator at each elevator landing as follows:Message Displayed Color Code� “Elevators available for occupant evacuation” – Green light� “Elevators out of service, use exit stairs” – Red light� “Elevators are operating normally” – No lightConclusionInformation on-hand is crucial in evacuation scenarios

to decide for and to execute evacuations successfully.Through many years of technological development andanalytical thinking focused on the “elevator assistedevacuation” subject, we now have available workableconcepts, technology and equipment to collate real timeinformation and to share it for the benefit of users.Though there is no mandatory requirement by the codes,so far, it is not an idle subject. All the code organizationsare busy developing a regulation on this subject, whichshould soon become a mandatory requirement. Architects and planners should start using such novel

concepts more on their new projects voluntarily. “Eleva-tor assisted egress” could help as a standby feature to theprimary egress concept should any of the primary egresscomponents become redundant. When incorporated,these features bring a great level of satisfaction to the designer of having increased the safety features of hisproject multifold. The authorities would appreciate themain egress and alternate egress features, which shouldspeed the approval process. Only when put into practicalusage, further clarity and refinement on this concept andequipment can be achieved.

References1) Klote, J.H., Levin, B.M., and Groner, N.E. (1995), Emergency Elevator

Evacuation Systems, Proceedings of the 2nd Symposium on Elevators,Fire and Accessibility, Baltimore, Maryland, April 1995.

2) BS EN 81-72:2003 Safety Rules for the Construction and Installation ofLifts – Particular Applications for Passenger and Goods Passenger Lifts –Part 72: Firefighters Lifts

3) NFPA 5000 Building Construction and Safety Code – Annex E “ElevatorsFor Occupant Controlled Evacuation Prior To Phase I Emergency RecallOperations”

4) Big Voice Evacuation Intercom System by Drucegrove Ltd. – www.drucegrove.com

5) ELVIC monitoring & control system by Fujitec – www.fujitec.com


Manufacturing Spotlight

Hyundai Elevator: A Quarter Century of Operations

Established in 1984, Hyundai Elevator has played a role in the recent growth of South Korea’s ele-vator industry. The 25-year-old com-pany developed its first machine-room-less elevator in 1999. HyundaiElevator applied gearless-tractiontechnology to medium- and low-speed in its Luxen elevators in 2006.In July, the company announced

plans to export high-speed elevatorsthat move faster than 300 mpm.Ten elevators will be exported toVenezuela for installation at a gov-ernment complex in the capital cityof Caracas. The units include two witha speed of 480 mpm, four that move420 mpm and two at 360 mpm.The company’s new 205-meter-

tall test tower is equipped with fiveelevators, which includes one thattravels at a top speed of 600 mpmand an observation elevator travel-ing at 420 mpm. Hyundai plans toinstall two more elevators travelingat 1,080 mpm. The tower, whichbegan operations in April, is locatedat company headquarters in Icheonin Gyeonggi Province. In addition, a high-speed development teamformed in September 2007 coordinatesrelated R&D with Seoul NationalUniversity.In February 2008, CEO Song

Jin-cheol told the Maeil BusinessNewspaper, “By securing independ-ent technology in the high-speedelevator sector, Hyundai Elevatorwill intensify its reputation as theindustry’s leader.”Hyundai Group officials and other

dignitaries officially opened the test

tower on April 15 (ELEVATOR WORLD,June 2009). Attending the ceremonieswere 300 guests, including Gyeonggi-do Governor Kim Moon-soo, IcheonCity Mayor Joh Byung-don, HyundaiGroup Chair Hyun Jeong-eun andSong Jin-chul. The test tower wasnamed Hyundai Asan Tower in honorof Chung Ju-young, the founder ofthe Hyundai Group, who went by thatpen name. A technology researchcenter located at the base of thetower was named Chung Mong-hunResearch and Development Centerafter a former chairman of theHyundai Group. Hyundai Elevatorbegan operating its new test towerin April.Hyundai Elevator plans to test ele-

vator comfort, vibration, noise, tem-perature and atmospheric pressure

Hyundai Elevator Increases Market Share

In July, Trading Markets reported that Hyundai Elevator Co. had in-

creased its share of the South Korean elevator market. For the first six

months of 2009, the South Korea-based company had sales more than

twice those of the two foreign-based companies with the next largest

shares. According to the South Korean Ministry of Knowledge Econ-

omy, Hyundai Elevator had a market share of 40% on sales of 4,990

units in the first half of the year. In the same period, U.S.-based Otis

Elevator Co. had a 19.5% share of the South Korean elevator market,

while Germany-based ThyssenKrupp Elevator had a 17.5% share.

Hyundai Elevator also reached a milestone in cumulative elevator

sales earlier this year. In April, the company surpassed 100,000 units in

sales over the course of its quarter-century history.

Test towerContinued

that regenerates electricity while inoperation. South Korea’s Ministry ofScience and Technology presented itsNew Excellent Technology certificatefor this development. This inverterrecycles the energy generated duringelevator operation to reduce a build-ing’s energy consumption. �

in the test tower to verify safety andreliability of the high-speed elevatorsystem and its components. It willalso be used to develop a double-decked elevator that allows opera-tion of two elevators in one shaft.As part of its joint research with

Seoul National University, HyundaiElevator developed an elevator inverter


Hyundai Elevator Installations

Haewoondai Hyperion

Haewoondai Hyperion

Haewonndai Woodong Condominium, Pusan, Korea

Manufacturing Spotlight Continued

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ��

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �For the smooth operation of passenger cars

SEV� � � � � � � � � � � � � � � � � � � � � �

remote monitoring

� � �� Prevents down over speed

of the car

KV� � � � � � � � � � � � �

Controls performanceof small elevators

� � � � � � � � ��

� � ��

Solenoid operated check valve

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ��


Product Spotlight

Have your company’s new or improved products showcased

in Product Spotlight

Product Spotlight article submissions should be sent to

the Elevator World Editorial Department at one

of the following addresses:

Postal: P.O. Box 6507 Mobile, AL 36660 USA


LIFT BACKUP SYSTEMVolta offers a lift power backup

system. Manufactured by MaksonEngineers, the system features auto-matic operation, high inrush/peakcurrent handling capacity, pure sinewave output, a high-frequency pulsewidth modulation inverter, crystal-controlled output frequency, quietoperation, and is compact and envi-ronmentally friendly.

For more information, contactMakson Engineers at 29, Blue RoseIndustrial Estate, Borivali (E), Mumbai400 066; phone: (022) 2854-6884 or(022) 2854-6885; fax: (022) 2854-6886; e-mail: [email protected];website: www.voltaproduct.com.

ORATOR 3 ELEVATOR AUDIO SYSTEMFormula Systems offers an elevator

audio system designed to provide elevator manufacturers with an ad-vanced, flexible and user-friendlysystem. The Orator 3 employs MP3-based audio compression, and itsdecoder is embedded in the softwareso that the unit does not rely onchip-based decoders.

NEW SYSTEM FOR TESTINGWIRE-ROPE TENSIONDinacell Electrónica recently

launched its new system for testingwire-rope tension. The RTM sensor,in conjunction with the new con-troller Omega 806, can measure thecabin weight, counterweight andtension of each rope. The sensor isequipped with a LED light indicatorthat marks the exact point on fittingto the rope. It can be installed without additional accessories andplugged into the controller by USBconnectors. The RTM sensor coversa cable diameter range of 5 to 22 mmand is pre-calibrated in the factory.

The Omega 806 uses standardfunctions that limit and control theload in elevators. The imbalance levelbetween the ropes can be detected byan alarm relay. It is capable of usingup to six contract relays in each con-trol unit. The information is displayed

Orator 3 offers memory for audiostorage and enables fast file updating.It comes with a predefined library of common phrases, numbers andannouncements, and provides usercontrol over audio contents, includ-ing multiple language options, voices,sounds, alarms and music. The prod-uct is offered in serial or parallelmodels, neither of which requirespecial tools to install.For more information, contact

Formula Systems at Technology House,Oakfield Estate, Eynsham, Oxford,OX29 4AQ, U.K.; phone: (44)1865-882442; fax: (44)1865-881647; orwebsite: www.formula-systems.com.


REGENERATIVE AC SOLUTIONSMagnetek, Inc. now offers regen-

erative AC drive solutions, the RegenAC Module and Enclosed Regen ACModule. The Regen AC Module, whenconnected to an existing elevatordrive, transfers excess regenerativeenergy from the motor to the incom-ing AC power source. Heat that isotherwise dissipated into the machineroom is transferred as energy backto the power line. Existing dynamic

ESCALATOR SAFETY BRUSHTarini Engineering Pvt. Ltd. intro-

duced its new escalator skirt brushin April. The brush holder material ismade of aluminum alloy grade 6063-O, and the brush holder finish is

in a five-digit LCD screen with eightbars that show the deviation of eachrope. The connections also includean output for cabin display and eightUSB inputs for sensors. For more information, contact

Dinacell Electrónica at phone: (34)91-3001435, fax: (34) 91-3001645, e-mail: dinacell @dinacell.com orwebsite: www.dina cell.com.

braking resistors can be maintainedfor failsafe operation. The module isprogrammed to operate prior to aBrake Chopper circuit. The EnclosedRegen AC Module is a fully enclosedunit that is preassembled in a wall-mount cabinet. These new units in-crease energy efficiency and can beappropriate for both elevator mod-ernizations, and new installations.For more information, contact

Magnetek at N49 W13650 CampbellDrive, Menomonee Falls, Wisconsin53051; toll free: (800) 288-8178; fax:(800) 298-3503; e-mail: [email protected]; or website:www.magnetek.com.

available in anodized silver or blackmatte. The maximum length of eachpiece is 3 m, and the product featureslow-friction, aluminum block end capssecured by screws. The brushes areflagged in order to provide a softercontact surface for riders; they arealso pitched downward to discour-age the retention of liquids and othercontaminants along the brush sur-face. The leading edge of the brushesis chamfered in order to create a 90°orientation to the step surface. Theproduct is durable, weather resistantand rust resistant and comes in flex-ible designs that allow transitionarycurves to be formed onsite. For more information, contact Tarini

at 17-B Waghela Bhuvan, J.P. RoadNo. 1, Goregaon (East), Mumbai 400063; phone: (022) 64526397; fax: (91)022-26855027; e-mail: [email protected]; or website: www.tariniengineering.net. �

Experience Versatility

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[email protected]

THE PEELLE COMPANY LTD.

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ELEVATOR WORLD India Source Directory (See page 91)

This section serves as a resource for the industry and consists of company profiles.Company profiles include: your companyname, address, telephone, fax, e-mail, website, key contacts and products that you supply or manufacture. Display advertisersin EWI receive a free company profile andnon-advertisers can place a company profilein this new section for as little as $50.00 perissue or $195.00 per year (4 issues). Yourcompany logo can also be added at no additional cost.

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India Source Directory

ELEVATOR WORLD India Source DirectoryThis section serves as a resource for the industry and consists of company profiles. Company profiles include: your com-

pany name, address, telephone, fax, e-mail, web site, key contacts and products that you supply or manufacture. Displayadvertisers in EWI receive a free company profile; and non-advertisers can place a company profile in this new section foras little as $50.00 per issue or $195.00 per year (4 issues). Your company logo can also be added at no additional cost.

Contact Anitha Raghunath at [email protected] or TBruce MacKinnon at [email protected].

ACCUMAX ENGINEERING COMPANY C-1/23 G.I.D.C ESTATENARODA, AHMEDABADGUJARAT-INDIA 382330Telephone: 0091-079-22813429Fax Number: 0091-079-2813429E-Mail: [email protected] Contact: Mr. R.S. PatelEngineering Contact: Mr. Manoj PatelProducts Manufactured/Supplied: AC-1, AC-2and V3f geared lift machines, Electric Motors,Brakes, Safety Gears, Governors, Gate Locks,Door Operator, Deflactor pulley, Main driveSheaves, Car & Counterweight frames, GuideShoes, Retiring Cam & Striker, ReplacementParts for OTIS, Guide Rails, Cages, Brackets,Doors.

AFAG MESSEN UND AUSSTELLUNGEN GMBHMESSEZENTRUM AUGSBURGAUGSBURG, BAVARIA 86159 GERMANYTelephone: 0049 – 821 – 5 89 82 340Fax Number: 0049 – 821 – 5 89 82 349E-Mail: [email protected] Site: www.interlift.deMarketing Contact: Winfried ForsterEngineering Contact: Joachim KalsdorfProducts Manufactured/Supplied: interlift -international trade fair for Elevators, components& accessories

ASRAY/ASRAY SANAYI VE TICARET LTD. STI.P.O. BOX 10741400 GEBZE, KOCAELI, TURKEYTelephone: (90) 262-7511435Fax Number: (90) 262-7511439/7511765E-Mail: [email protected] Site: www.asray.comMarketing Contact: Mrs. Aysenur Aslan, ExportManager ([email protected]); Mrs. Safiye Cinge,Export Assistant ([email protected])Engineering Contact: Mr. Sefa Targit, Technical ManagerProducts Manufactured/Supplied:Elevator Guide Rails

AV CAM CORPORATION55-C, TRIBHUVAN INDUSTRIAL ESTATE, OPP. PASHUPATINATH TEMPLE,NEAR KATHWADA, GIDC, KATHWADAAHMEDABAD - 382430, GUJARAT

Telephone: 0091 79 65237438Fax Number: +91 79 22890596E-Mail: [email protected] Site: www.amcolifty.comContact: Mr. G. Patel VishnubhaiProducts Manufactured/Supplied: Lift DutyGear Box, Lift Guide Rails

BHARAT BIJLEE LIMITEDNO. 2 MIDC THANE-BELAPUR ROADAIROLI NAVI MUMBAI 400708Telephone: 0091 22 2763 7200 / 7400Direct: 0091 22 2763 7284Fax Number: 0091 22 2763 7438E-Mail: [email protected] Site: www.bharatbijlee.com Contact: M/s. R. Rajaraman / K.K.Y. DasProducts Manufactured/Supplied: GearlessMachines for Elevator Application, Electric Motors,Transformers, KEB Drives and Project.

BLAIN HYDRAULICS GMBHPFAFFENSTRASSE 1HEILBRONN, BW 74078 GERMANYTelephone: +49-7131-2821-0Fax Number: +49-7131-485216E-Mail: [email protected] Site: www.blain.deMarketing Contact: Mr. Parag Mehta Ext: 30Engineering Contact: Mr. Parag Mehta Ext: 30Products Manufactured/Supplied: Manufacturers of Elevator control valves, Home lift valves, Servocontrol valves, Car-parking lift valves, Rupturevalves, Ball valves, Pressure lock valves, Handpumps, Tank heaters, RamLocs, Micro levelingdrives, Hydraulic remote monitoring systems.

BRUGG WIRE ROPE, LLC 1801 PARRISH DRIVE P.O. BOX 551ROME, GEORGIA 30162-0551Telephone: (706) 235-6315Toll Free Phone: 1-866-542-7844 (54BRUGG)Fax Number: (706) 235-1394 or (706) 235-6035E-Mail: [email protected] Site: www.bruggnorthamerica.com;www.bruggrope.comMarketing Contact: President/General Manager:Kevin Heling, (706) 235-6315, ext 301,[email protected]; Marketing Contact: TomRichards/Richards Advertising (704) 987-7965;[email protected] Contact: Sales/Field EngineeringContact: Rick Perry, VP Sales/Engineering, (570) 322-3210, South Williamsport, PA,[email protected]; Engineering/Quality Contact: Martin Rhiner, VP Engineering/Quality,

(706) 235-6315 ext 302, [email protected] Offices: Brugg Wire Rope, LLC, Rome GA(706) 235-6315; North America VP Sales andField Engineering, South Williamsport, PA, RickPerry, (570) 322-3210, [email protected]; Distributors/Stocking Locations - US: Houston, TX;Metro Wire Rope, 553 Lehigh Ave., Union, NJ07083, Phone: (908) 964-3690; Marcal Rope &Rigging, 1862 E. Broadway, Alton, IL 62002,Phone: (618) 462-0172 or 1-800-343-4971; SilverState Wire Rope & Rigging, 5380 S. Valley View,Suite A, Las Vegas, NV 89118, Phone: (702) 597-2010; Carpenter Rigging, 222 Napoleon St.,San Francisco, CA 94124, Phone: (707) 562-9473;Brugg Wire Rope, LLC., 1801 Parrish Rd., Phone:(toll free) (866) 542-7844, Fax: (706) 235-6035 -Canada: Elevator Components, 1237 Kamato Rd.,Mississauga, ON, Canada L4W 2M2, Phone: (905)624-6565; Hoist Wire Rope & Equipment Inc., (a Northern Strands Co)., 5604-76th Ave., Edmonton,AB Canada T6B 0A6, Phone: (780) 485-9869Products Manufactured/Supplied: ElevatorRopes; full line of the industry’s best selection ofhoist, compensation, governor, door closing andropes bearing electrical conductors. Offering superior quality steel, iron, sisal and mixed (poly)core ropes; featuring exclusive i-Line for easier installation; preformed ropes, rope lubricant andapplicator, pulling grips, rope tension measuring device, reeve splicing, fiber tape, measuring gauges,wedge sockets, isolation assemblies and springs.

CANNY ELEVATOR CO., LTD.88 LINHU ECONOMIC DEVELOPMENT ZONE215213 WUJIANG CITY, JIANGSU PROVINCEP.R. CHINATelephone: +86-512-6329-0000 / +86-512-6329-7851Fax Number: +86-512-6329-9709 / +86-512-6329-3938E-Mail: [email protected] / [email protected] Site: www.canny-elevator.comProducts Manufactured/Supplied: office andresidential lifts, high-speed passenger lifts, bedlifts, panorama lifts, freight lifts, home lifts, MRL,hydraulic lifts and automobile lifts; slim escalators,heavy-duty escalators, out-door escalators, high-rise escalators, horizontal and inclined autowalks,etc. Canny products have been exported toRussia, Italy, Spain, United Kingdom, Malta,Saudi Arabia, Iran, Jordan, UAE, Korea, Japan,Malaysia, Indonesia, Kyrgyzstan, Africa, andSouth America and so on.


India Source Continued

CHINA ELEVATOR ASSOCIATION (CEA CHINA)61 JINGUANG AVENUELANGFANG HEBEI 065000PEOPLE’S REPUBLIC OF CHINATelephone: (86) 316-2311426/2012957Fax Number: (86) 316-2311427E-Mail: [email protected] Site: www.cea-net.orgContact: Zhang LexiangPresident: Ren TianxiaoProducts Manufactured/Supplied: CEA wasformed in 1984 and has 500 members. Thesecretariat together with the Institute of BuildingMechanization. CEA is one of the sponsors ofChina World Elevator & Escalator Expo and China Elevator Magazine.

DSA ELECTRO CONTROLSPVT. LTD.A-20, CROSS ROAD-B, MIDCANDHERI (EAST), MUMBAI 400 093MAHARASHTRA, INDIATelephone: 91 22 6742 9700Fax Number: 91 22 6742 9714E-Mail: [email protected] Site: www.dsaquality.comContact: Mr. Ashok SubhedarProducts Manufactured/Supplied: Elevator Controllers and allied products, FabricationServices - CNC Fabrication, Water Jet CuttingSystems & Services.

DÍNACELL ELECTRÓNICA, S.L.POLÍGONO INDUSTRÍAL “SANTA ANA”C/EL TORNO, 828522 RÍVASÍVACÍAMADRÍD (MADRÍD)SPAÍNTelephone: +35 91-300-14-35Fax Number: +35 91-300-16-45Website: www.dinacell.comE-mail: [email protected] Contact: Frederick Apostoles CondeEngineering Contact: Enrique Garcia RodriguezProducts Manufactured:Load Weighing Device for Elevators, Cab sensor, Cable sensor, Crosshead sensor,Hydraulic sensor, Motor bedframe sensor,Controllers, Display

ELECON ENGG. CO. LTD.POST BOX #6, ANAND SOJITRA ROAD, VALLABH VIDYANAGAR388 120, GUJARATTelephone: 0091 2692 236469, 236513Fax Number: +91 2692 236527, 236457E-Mail: [email protected] Site: www.elecon.comContact: Mr. V.G. SubnisProducts Manufactured/Supplied: Manufacturerof Material Handling Equipment & all types ofindustrial gears - Helical, Worm, Couplings,Special Gears, Elevator Traction Machines, Wind Mill Gearbox and Wind Mill.

ELEVATOR INDIA.COM B/602,SHIVAM APARTMENT C.H.S. LTD, C.S. ROAD NO: 5,ANAND NAGAR, DAHISAR (EAST), MUMBAI-400068MUMBAI, MAHARASHTRA 400068 INDIATelephone: 022-40149991, 09930308303,09322337066Fax Number: 022-28974573E-Mail: [email protected];[email protected] Site: www.elevatorindia.com Marketing Contact: same as aboveSales Office: same as above

Products Manufactured/Supplied: An elevatorportal for end users and buyers. For elevatorcompany we design, supply material, erect andgive maintenance of traction and hydraulic lifts.Consultant and co-ordinator to elevator industry in India.

ELMO SRLV.LE CERTOSA 8/BPAVIA ITALY 27100 ITALYTelephone: +39 0382 529564Fax Number: +39 0382 527041E-Mail: [email protected] Site: www.elmoitaly.comMarketing Contact: Mr. Giovanni CrucittiEngineering Contact: Mr. Ivo Busi Products Manufactured/Supplied: Submersiblemotors for hydraulic lift

ETA MELCO ENGG. CO. PVT. LTD.CHENNAI CITI CENTRE, 4TH FLOOR, No. 10&11, DR. RADHAKRISHNANSALAI, MYLAPORECHENNAI - 600 004Telephone: 044-2847 7370/71/72/73/75Fax Number: 044-2847 7374Web Site: www.etamelco.inContact: Mr. H.N. Sadaqathullah, DirectorProducts Manufactured/Supplied: Mitsubishi Elevators & Escalators

ELEVATOR WORLD, INC.P.O. BOX 6507MOBILE, AL 36660 USATelephone: (251) 479-4514 Fax Number: (251) 479-7043E-Mail: [email protected] Site: www.elevator-world.com Marketing Contact: Brad O’GuynnSales Office(s): Mobile, Alabama USA;Bangalore, IndiaProducts Manufactured/Supplied: ELEVATOR WORLD magazine, ELEVATOR WORLD Indiamagazine (www.elevatorworldindia.com, ElevatorWorld Source© Directory, Elevator World EuroSource Directory and educational materials(www.elevatorbooks.com)

EXPERT EQUIPMENTS PVT. LTD.6, PUNJANI INDUSTRIALCOMPLEX, KHOPATTHANE (WEST) - 400 601 Telephone: 022 - 25474884 / 25474885 /25475153. Fax Number: 022 - 25474884 / 25474885 /25475153E-Mail: [email protected] Site: www.expertequipments.comMarketing Contact: Mr. Arvind T. Menon, Tel. No. 09323145570Engineering Contact: Mr. T.R.C. Menon,Managing Director, Tel: No. 09323000028Products Manufactured/Supplied: Ownmanufacturing of Expert “LEVITATOR”

FORMULA SYSTEMS LTD.TECHNOLOGY HOUSE, OAKFIELD ESTATEEYNSHAM, OXFORDSHIRE, 0X29 4AQUNITED KINGDOMTelephone: 44 (0) 1865-882442Fax Number: 44 (0) 1865-881647E-Mail: [email protected] Site: www.formula-systems.comMarketing Contact: John Curzon

Engineering Contact: Peter CollinsSales Offices: Please refer to the FormulaSystems website for up-to-date sales office listings.Products Manufactured/Supplied: Infrared lightcurtains for new and modernization applicationsincluding the unique SafeZone 3D. True, digitisedspeech annunciators.

FUJI ELECTRIC INDIAPRIVATE LTD.409-410, MEADOWS, SAHAR PLAZAANDHERI-KURLA RD.J.B. NAGAR, ANDHERI (E)MUMBAI – 400 059Telephone: +91 22 4010 4870 / 2820 6383Fax Number: +91 22 4010 4872E-Mail: [email protected] Site: www.fujielectric.co.inProducts Manufactured/Supplied: Elevator Drives

GARAVENTA LIFT7505 134A STREETSURREY BC V3W 7B3CANADATelephone: 604 594 0422Toll Free Phone: 1 800 663 6556Fax Number: 604 594 9915E-Mail: [email protected] Site: www.garaventa.caContact: Jake Lepa, Ext. 203Products Manufactured/Supplied: Platform lifts(incline and vertical) for wheelchair users andpeople with walking difficulties, residential andLULA (limited use, limited application) elevators,portable stair-lifts, evacuation chairs.Company Statement: Garaventa is committed toproviding the best accessibility solutions for theapplication. We create an accessible world.

GEFRAN INDIA PVT. LTD.SURVEY NO.: 129/1, NANDAN PARK – PLOT NO.: 6CHAKANKAR MALA – BANER-BALEWADI ROADBANER - PUNE 411045, MH, INDIATelephone: +91 20 66400400Fax Number: +91 20 66400401Web Site: www.gefran.com

GMV S.P.A.VIA DON GNOCCHI, 1020016 PERO MILANO, ITALYTelephone: (39) 02-33930-1Fax Number: (39) 02-3390379E-mail: [email protected] Site: www.gmv.itMarketing Contact: Mr. BerrutoEngineering Contact: Mr. FossatiSales Offices: Fax: Brazil ++55 413 3457855/Canada ++1 519 6245675/ China ++86 1068578709/ Czech Republic ++420 5 49211593/France ++33 450 640211/ Germany ++49 899036191/ Greece ++30 210 2792914/ India ++9122 23080025/ Poland ++48 22 8589969/ Portugal++351 21 4453069/Spain ++34 902 345432/Sweden ++46 472 45699Products Manufactured/Supplied: Componentsfor hydraulic elevators: single stage jacks,telescopic jacks 2-3-4 stages, hydraulically andmechanically synchronized; hydraulic power units:balanced valves and electronic valves, electronicsystem, heat exchangers; side-acting car frames;pawl device; cars; car doors; landing doors;operators; passenger lifts; freight lifts; freight liftcomponents


HAFELE4TH FLOOR, JMC HOUSE, BISLERI COMPOUND, WESTERN EXPRESS HIGHWAY, ANDHERI (E),MUMBAI - 400 099Telephone: 0091 22 66950920, 0091 9322266912Fax Number: +91 22 6695 09220E-Mail: [email protected] Site: www.hafele.comContact: Mr. Ashish Kapoor, Business Head - Hospitality DivisionProducts Manufactured/Supplied:

Dialock Elevator Terminals.

HIMENVIRO ELEVATORS & ESCALATORS202, SAGAR COMPLEX, NEW RAJADHANIENCLAVE, VIKAS MARGDELHI - 110 092Telephone: 0091 11 22549142Fax Number: +91 11 2254 9130E-Mail: [email protected] Site: www.himenviroelevator.comContact: Mr. S.B. KhandelwalProducts Manufactured/Supplied: Elevator &Escalators & Component - COP, LOP, PushButtons, COP Display Units

HITACHI LIFT INDIA PVT. LTD. UNIT NO. 307, 3RD FLOORABW ELEGANCE TOWERJASOLA DISTRICT CENTRENEW DELHI – 110 025, INDIATelephone: (91 11) 4060 5290Fax Number: (91 11) 4060 5299E-Mail: [email protected] Site: www.hitachi-lift.co.in

HYDRO-PNEUMATIC TECKNIKSK-17/A, ROAD NO. 6, UDYOGNAGAR, UDHNA, SURATGUJARAT - 395 210Telephone: +91 261 2277306Fax Number: +91 261 2277306E-Mail: [email protected], [email protected] Site: www.hydrosurat.comProducts: Manufacturers of Hydraulic Cylinders(Jacks) and Hydraulic Power Packs for Elevators.

IGV S.P.AVIA DI VITTORIO, 2120060 VIGNATE, MILANO, ITALYTelephone: (39) 02-951271Fax Number: (39) 02-9560423E-Mail: [email protected] Site: www.igvlift.com / www.domuslift.comMarketing Contact: Matteo VolpeEngineering Contact: Carlo BellettiSales Offices: Luigi MartinoProducts Manufactured/Supplied: Buffers,Controllers, Door Operators, Entrances & FireResistant Entrances, Elevator Systems, GearlessElevator Systems, Geared Elevator Systems,Hydraulic Elevator Systems, HydraulicComponents, Handicap & Platform Lifts(DomusLift®), Lifts with reduced pit andheadroom (SuperDomus®), Machine Room-lessLifts (Gearless, Traction & Hydraulic), RescueDevices, VVVF Drives, Stairlifts (DomusStair®),Low Rise Platforms (DomusPlat®), Automaticdoors for residential and commercial buildings(DomusDoor®), Goods Only Lifts (Cargofit®).

INNOVATION INDUSTRIES,INCORPORATED 3500 EAST MAIN STREET (72802)P.O. BOX 2996RUSSELLVILLE, ARKANSAS 72811Telephone: (479) 968-2232Toll Free Phone: 1-800-843-1004Fax Number: (479) 968-7986E-Mail: [email protected] Site: www.innovationind.comMarketing Contact: Amber Dilday, Paul Horney & Tom ThompsonEngineering Contact: David DeFrancisco & Dennis KingSales Offices: Ray BufordProducts Manufactured/Supplied: Car OperatorPanels, Hall Stations, Position Indicators, HallLanterns, Serial Communication, Key Switches.

JELTRON SYSTEMS (I) PVT. LTD.PB NO. 49, 6-3-1199/2,VAMAN NAIK LANE, UMANAGAR COLONY, BEGUMPETHYDERABAD - 500 016, INDIATelephone: 0091 40 23401159Fax Number: +91 40 2340 1149E-Mail: [email protected] Site: www.jeltron.comContact: Mr. Rajesh H. KamatamProducts Manufactured/Supplied: Toshiba ACVF Drivers, Toshiba PLC, Toshiba Soft Starters,ARD, SCR Power Controller

JOHNSON LIFTS PVT. LTD.NO. 1, EAST MAIN ROAD, ANNA NAGAR, WESTERN EXTENSIONCHENNAI - 600 101Telephone: 044 26152200Fax Number:+91 44 2615 1614E-Mail: [email protected] Site: www.johnsonliftsltd.comContact: Mr. V. Jagannathan, Executive DirectorProducts Manufactured/Supplied:Manufacturers of Elevators of various capacity -Passenger Lifts, Good Lifts, Passenger cum Bed Lifts, Gearless Type & Escalators.

KAMAL ENTERPRISEC-1/A-3, G.I.D.C. ODHAVAHMEDABAD - 382415, INDIATelephone: +91 79 2287 0800Fax Number: +91 79 2287 2273E-Mail: [email protected] Site: www.kamalelevatorgear.com Contact: Manoj Panchal Cell Phone: +91 99250 76725Products Manufactured/Supplied: Design,Manufacture & Supply of all types ElevatorTraction Machines

KINETEK�STREET NO.1 ANMOL NAGAR, NEAR KISAN COLD STORE HOSHIARPUR, PUNJAB 146001 INDIA Telephone: +91 93562.9437 Fax Number: +91 98152.94375 E-Mail: [email protected] Web Site: www.kinetekinc.com Marketing Contact: Nashvinder Singh Engineering Contact: Nashvinder Singh Sales Office(s): Punjab, India Products Manufactured/Supplied: traction andhydraulic elevator controls, complete elevator andescalator packages, VVVF or direct line escalatorcontrols, monitoring and dispatching systems,microprossor boards, automatic rescue devices,and peripherials.

KONDAIA ENGG. CO. PVT. LTD.POLLACHI ROAD, COIMBATORE - 641032, TNTelephone: 0091 422 2611966, 0091 9965518845Fax Number: +91 422 2611966 (Tele-Fax)E-Mail: [email protected] Site: www.indiamart.com/kondaia/Contact: Mr. S. BalajiProducts Manufactured/Supplied:Manufacturers of Elevator Guide Rails, Machines and Cabins.

KRISHNA ENTERPRISES16, BRIJWASI INDUSTRIAL ESTATE, SONAWALA ROAD, OPP.UDYOG BHAVAN, GOREGAON (EAST)MUMBAI - 400 063Telephone: +91 22 2686 0470 (Tele-Fax)Fax Number: +91 22 2686 1962 (Tele-Fax)E-Mail: [email protected] Site: www.krishnaentps.comContact: Mr. Brijesh C. BhindoraProducts Manufactured/Supplied: PushButtons, Car Operating Panels & Floor OperatingPanels Glass COP & HOP, ‘K’ Type & other typeDoor Operator & Door Set (MS & SS), ‘O’ typeDoor Operator & Door Set (MS&SS), LCD Displayfor Elevator, RFID Smart Elevator OperatingPanel, Door Safety Sensor (TELCO), Fan Grillsand all other spares and accessories.

LARSEN & TOUBROControl & AutomationDivisionA-600, TTC INDUSTRIAL AREA, SHIL-MAHAPE ROADNAVI MUMBAI, MAHARASHTRA, 400710 INDIATelephone: 022-67226200Toll-Free: 1800-233-5858 and 1800-200-5858 Fax Number: 022-27783032 E-Mail: [email protected] Web Site: www.larsentoubro.com Marketing Contact: Mr. Sanjeev [email protected] Ext:455Engineering Contact: Mr. Pankaj [email protected] Ext:471Sales Office(s): Mumbai (Tel: 022-67051191 Fax: 022-67051463); New Delhi (Tel: 011-41419523Fax: 011-41419600); Chennai (Tel: 044-28462050Fax: 044-28462102); Kolkatta (Tel: 033-22828418Fax: 033-22827587); Baroda (Tel: 0265-6613618Fax: 0265-2336184); Pune (Tel: 020-56033409 Fax: 020-26124910); Bangalore (Tel: 080-25020342Fax: 080-25583613); Hyderabad (Tel: 040-66720319Fax: 040-23242356)Products Manufactured/Supplied: AC/ DCDrives, Soft Starters, Servo Motion ControlProducts, PLCs and HMI, Engineered Panels

LERCH BATES PVT. LTD.2, AJANTA, 11TH FLOOR, 75, COLABA ROADMUMBAI - 400 005Telephone: 0091 22 22153740Fax Number: +91 22 2215 3726E-Mail: [email protected] Site: www.lerchbates.comContact: Ms. Pravin Das GuptaProducts Manufactured/Supplied: GlobalElevator Consulting Firm - New ConstructionDesign, Modernisation Evaluations, MaintenanceAudits & Condition Assessments, Client OrientedMaintenance Contracts.

LIFT SYSTEMS INDIA PVT. LTD.1311, NAVJIVAN COMMERCIAL BUILDING, LAMINGTON ROADMUMBAI - 400 008



Marketing Contact: Dipl.-Ing. (FH) Hans EberleEngineering Contact: M. SC. Dipl.-Ing. (FH)Bernd MerkSales Offices: USA (201) 445-7210, France 03/21729191, Italy 049-8791020, UK 01535/663900, Switzerland 052/6740870,Singapore 0065/65601230, China 0086/51258917562Products Manufactured/Supplied: Safetybrakes for passenger lifts, hoists, goods elevators,escalators as well as shaft couplings and torquelimiters.

MAROONE STAINLESSM-30, STREET NO. 8, APIA, NEW ROHTAK ROADNEW DELHI - 110 005Telephone: 0091 9818144650Fax Number: + 91 11 43507984E-Mail: [email protected] Site: www.maroone.inContact: Mr. SanjeevProducts Manufactured/Supplied:Stainless Steel Designer Sheets - N8 Mirror, Hair Line & N4, Vib (Vibration), Titanium Coated,Etched Sheet.

MARUTI ELEVATOR C-1/24 G.I.D.C ESTATE NARODA, AHMEDABADGUJARAT-INDIA 382330Telephone: 0091-079-22821429Fax Number: 0091-079-2821429E-Mail: [email protected] Site: www.marutielevator.comMarketing Contact: Mr. Bipin PatelEngineering Contact: Mr. Manoj PatelProducts Manufactured/Supplied: AC-1, AC-2and V3f geared lift machines, Electric Motors,Brakes, Safety Gears, Governors, Gate Locks,Door Operator, Deflactor pulley, Main driveSheaves, Car & Counterweight frames, Guide Shoes, Retiring Cam & Striker, Replacement Parts for OTIS, Guide Rails, Cages, Brackets, Doors.

MATTEX 5079, BHANDUP INDL. ESTATEL.B.S. MARG, BHANDUP (WEST),MUMBAI 400078Telephone: 02232972130Mobile: 9322292675E-Mail: [email protected], [email protected] Site: www.mattexpower.comProducts Manufactured/Supplied: Mattexmanufactures a full range of elevator passengersafety and information products to the Indianmarket. Our products are LED dotmatrix displays,LCD graphic, segment and dotmatrix displays withany communication types like parallel, serial andcan. We also manufacture emergency light andLED lights for lift cabin.

MESSUNG SYSTEMS PVT. LTD.EMERALD HOUSE,EL-3, J BLOCKMIDC, BHOSARI, PUNE - 411 026, INDIATelephone: +91 20 2710 2000Fax Number: +91 20 2710 2100E-Mail: [email protected] Site: www.messung.comContact: Mr. K.T. ChouguleProducts Manufactured/Supplied: V3F Drives,Programmable Logic Controller, Remote I/OSystems, HMI

MONTANARI GIULIO & C. SRLVIA BULGARIA 3941100 MODENA, ITALYTelephone: (39) 059-453611Fax Number: (39) 059-315890E-Mail: [email protected]

Web Site: www.montanari-giulio.comMarketing Contact: Alessandra BezziEngineering Contact: Mr. Stefano BertoniSales Offices: Mr. Marcello BelleiProducts Manufactured/Supplied: Lift Gears for Goods and Passengers, Gearless, SafetyDevices (Speed Governors & Tension Devices,Instantaneous and Progressive Safety Gears, One way and Bi-Directional), Mechanical liftaccessories, Frequency controllers

MONTEFERRO S.P.A.VIA COMO, 1121020 MONVALLE (VARESE)Telephone: +39 0332 798879 Fax Number: +39 0332 971016 E-Mail: [email protected] Site: www.monteferro.it India Contact: Mr KumarMobile Number: +919739982517Marketing Contact: Mr Kumar([email protected]); Mr Marco Bodio([email protected])Products Manufactured/Supplied: Standardelevator guide rails for application below twometres per second and for average load capacity;high-speed elevator guide rails for usage in highload, high frequency, high speed and specialapplications; matched high speed elevator guiderails that Monteferro have a set standard for thehighest speed elevator market segment; Fishplates - standard, double thick, T-plates, minimumclearance seismic; Clips - sliding clips, forgedclips, sliding clamp, T-clips; Accessories - clip kits,anchor bolt kits, shim kits.

ORIENT WIRE ROPES30-B, INDUSTRIAL AREA, SANWER ROADINDORE, MADHYAPRADESH452 015, INDIATelephone: 0091 731 2721912, 2720456Fax Number: 0091 731 2721364E-Mail: (A) [email protected] (B) [email protected] Site: www.orientwireropes.com Marketing Contact: 09406853459Engineering Contact: 09826047187Sales Office(s): 0091 731 2721912Products Manufactured/Supplied:1) Steel Wire Ropes 2) Steel Wire Rope's Sling

PEELLE195 SANDALWOOD PKWY W.,BRAMPTON, ONTARIO, CANADA, L7A 1J6Telephone: 905-846-4545Fax Number: 905-846-2161E-Mail: [email protected] Site: www.peelledoor.comSales Contact: Jose VilchezEngineering Contact: Frank Leo Sales Offices: United States (800) 645-1056;International (800)787-5020Products Manufactured/Supplied: Bi-partingand Slide-up Freight Elevator Hoistway Doors, Car Door (Gates), Motorized and manual, Freight Elevator Car (Cab) Enclosures, ChannelIron Entrance Frame/Sill assemblies, WiringMaterials and World Wide Installation. Materials to Motorize and/or Modernize the Existing FreightElevator equipment of any manufacturer. Centeropening doors specifically designed for freightelevator applications.

PEPPERL + FUCHS (INDIA) PVT. LTDB, PLOT NO. 10, 3RD MAIN, 1ST STAGE,PEENYA INDL. ESTATE BANGALORE - 560 058 Telephone: 0091 80 28378030, 28395585Fax Number: +91 80 2837 8031

Telephone: 0091 22 23073073Fax Number: +91 22 2308 0025E-Mail: [email protected] Site: www.liftsystems.co.inContact: Mr. S.M. HajelaProducts Manufactured/Supplied: Hydraulics Components for Lift - Power Unit, Piston, CarFrame & Accessories for all types of lifts, Cabin Door Drive, Landing Door Mechanism, Door Panels& Frames required for Automatic Doors for Lifts.

LM LIFTMATERIAL GMBHGEWERBESTR. 1, LANDSHAMD-85652 PLIENING(NEAR MUNICH), GERMANYTelephone: (49) 89-9099790Fax Number: (49) 89-9043143E-Mail: [email protected] Site: www.lm-liftmaterial.deMarketing Contact: Mr. Stephen KretzschmarEngineering Contact: Franz Watzke - Ext. 90997920Sales Offices: LM LIFTMATERIAL GmbH,Gewerbestr. 1, Landsham, D-85652 Pliening -GERMANY, Sales Director, Mr. Stephan Kretzchmar.Products Manufactured/Supplied:Machineroomless rope traction lifts with drive inthe shaft head and in the shaft pit, rope tractionlifts for drive locations on top, down at the side,and on top at the side of the shaft, rope tractionlifts with integrated machine room, modularhydraulic lifts with cantilevered car sling, hydrauliclifts with cylinder under or beside the cabin, twinpiston or pulling piston drive system, panoramiclifts, hospital lifts, special execution lifts, drivesystem for rope traction and hydraulic lifts,automatic doors, manual doors and folding doors,cabins for passenger lifts, panoramic lifts andgoods-lifts, car frames, safety gears, overspeedgovernors and buffers, ropes, rope pulleys andaccessories, guide rails, controllers and speedregulations, photocells, safe screens, push buttonunits and electro-magnetic cams, sundries.

MAGIL CORPORATION500 OAKWOOD ROADLAKE ZURICH, IL 60047 USATelephone: (847) 550-0530Fax Number: (847) 550-0528E-Mail: [email protected] Site: www.magilcorp.com Marketing Contact: Joe Salzburg Ext: 115Engineering Contact: Pete Giannis Ext: 108Sales Office(s): Gilbert VoisinProducts Manufactured/Supplied: NEWS! MagilCorporation introduces the NEW “Blue MAG”machine for the MRL and Renovation market.Magil Corporation is a leader and an Innovator in the elevator industry. Products includeSynchronous Traction Gearless Machines, VVVF, AC Motors, Encoders; Traction Gears, Submersible Hydraulic Motors, HomeLift, Door Locks (swing doors) and high strength Wire Rope and Fixtures. Magil Corporation, is the most comprehensive provider of Elevator/Lift systems today. Magil offers product and engineeringsolutions for low-rise, mid and high-rise buildings;while providing expertise in rotating electricalequipment; geared and gearless machines andmotors. Magil Corporation’s market isinternational.

MAYR ANTRIEBTECHNIKEICHENSTRASSE 1D-MAUERSTETTEN, GERMANY D-87665Telephone: (49) 8341-8040Fax Number: (49) 8341-804421E-Mail: [email protected] Site: www.mayr.de

BLDG AND DAHISAR TOLL POST. WESTERNEXPRESS HIGHWAY, DAHISAR (EAST),MUMBAI 400068, INDIATelephone: +91 22 28972184, 3184Fax Number: +91 22 28978643E-Mail: [email protected]; [email protected] Site: www.revathienterprises.comContact: Hemant TawdeProducts Manufactured/Supplied: ElevatorsCars, Doors, Frames and Precision FabricatedAssembies using CNC laser technology.

SAVERA INDIA RIDING SYSTEMS CO. PVT. LTD.PLOT NO. D-22, TALOJA, MIDC INDUSTRIALAREA, TALOJA -410208, DISTRICT RAIGADMAHARASHTRA, INDIATelephone: 0091 22 27402300/01Fax Number: +91 22 2740 2302E-Mail: [email protected] Site: www.saveragroup.comContact: Mr. Ajay PawarProducts Manufactured/Supplied: “Super” Guiderails that can be used in lifts with speedsbetween 0 - 1.6 m/sec. machined.

SCHAEFER GMBHWINTERLINGER STR. 4 72488 SIGMARINGEN GERMANYTelephone: (49) 7571-722-22Fax Number: (49) 7571-722-99E-mail: [email protected] Site: www.ws-schaefer.deMarketing Contact: Mr. Michael Gubisch, Managing DirectorEngineering Contact: Mr. Michael Gubisch, Man-aging DirectorSales Offices: Mrs. Ilona HankeProducts Manufactured/Supplied: Push Buttonsand/or Push Button Stations; Signal Fixtures;Voice Synthesizers; Intercom Systems; AccessControl Systems; Lift Info Systems

SCHMERSAL INDIA PVT. LTD.7TH FLOOR, VATIKA TRIANGLEBLOCK A, SUSHANT LOK PHASE 1MEHRAULI - GURGAON ROADGURGAON - 122002, INDIATelephone: +91 124 4342300Fax Number: +91 124 4342333 E-Mail: [email protected] Site: www.schmersal.in Contact: A.S. Senthil KumarProducts Manufactured/Supplied: DoorContacts with Positive Breaks, Magnetic ReedSwitches, Door Locks, Position Switches, FloorSwitches, Position Systems.

SEMATIC ITALIA S.P.A.VIA ZAPPA COMM.FRANCESCO, 5OSIO, SOTTO (BERGAMO) 24046 ITALY Telephone: +39-035-4815100 Fax Number: +39-035-4815199 E-Mail: [email protected] Web Site: www.sematic.com Marketing Contact: Dr. Ing. Marcello Personeni Engineering Contact: Dr. Ing. Roberto Zappa Sales Office(s): [email protected] Products Manufactured/Supplied: Automaticentrances for elevators. Operators, full glassentrances, framed glass entrances specificallydesigned for panoramic installations, round doorsare also available. Last Product Lines developed:entrances for modernization and for inclinedelevators. Entrances are fire rated, vandalresistant, for marine application, for saline or dustyatmospheres or exposed to adverse weatherconditions with high humidity and falling water.


E-Mail: [email protected] Site: www.pepperl-fuchs.comContact: Ms. Deepika AroraProducts Manufactured/Supplied: InductiveSensor, Photoelectric Sensors, Capacitive andMagnetic Sensors, Ultrasonic Sensor, Positioners,Distance Measurement Units, Data TransmissionLight Beam System, Vision Sensor and Solutions,Sensor for Door, Gates and Elevators, SafetySensor and Control Units, Incremental and AbsoluteRotary Encoders, Position Encoding System - WCS,Identification System: RFID, BAR CODE, DATAMATRIX,AS - Interface Solution, Counters, Tachometers,Speed Monitor, Converter, Displays.

PHYSICAL MEASUREMENT TECHNOLOGIESBOX 400, 4 LING STREETMARLBOROUGH, NEW HAMPSHIRE 03455 USATelephone: (603) 876-9990Fax Number: (603) 876-9995E-Mail: [email protected] Site: www.pmtvib.comMarketing Contact: Gregory P. LorsbachEngineering Contact: Gregory P. LorsbachSales Offices: Jude M. Wright,[email protected] Manufactured/Supplied: EVA-625 Elevator & Escalator Vibration Analysis System;EVA Vibration Analysis Tools Software; IMD-1 Escalator Step/Skirt Performance IndexMeasurement Device; MMC-1 Multi-MeasurementData Collector; ETCH01 Tachometer Module.

PREMIUM ENERGY TRANSMISSION LTD.PB 5, MUMBAI - PUNE ROAD, CHINCHWAD, PUNE - 411019, INDIATelephone: +91 20 66314112Fax Number: +91 20 27450287E-Mail: [email protected] Site: www.premiumtransmission.comContact: Mr. S.N. RaoProducts Manufactured/Supplied:Manufacturers of complete assembly of elevatormachine, elevator gear box/geared motor for liftdoor opening/escalator/luggage conveyor, etc.

PRISMA DSA INDUSTRIES (INDIA) PVT. LTD.A-20, CROSS ROAD “B”, MIDC,ANDHERI EASTMUMBAI 400 093Telephone: +91 22 67429700 / 701 Fax Number: +91 22 29209159 E-Mail: [email protected],[email protected],[email protected] Site: www.prismadsa.com Contact: Mr. Ashok SubhedarProducts Manufactured/Supplied: ElevatorControllers and allied products, FabricationServices - CNC Fabrication, Water Jet CuttingSystems & Services.

RASSEGNE SPA - LIFTVIA VARESINA 76 MILANO, 20156 - ITALYTelephone: +39 02485501Fax Number: +39 02 48550479E-Mail: [email protected] Site: www.liftitalia.com/ita.htmlMarketing Contact/Sales: Costantino Cutroneo,EXT +39 048550324Products Manufactured/Supplied: InternationalExhibition of elevators, components, accessories,trade publications and services M/s REVATHI ENTERPRISESF 104, MADHUBAN, NEAR MTNL

SETTIMA MECCANICAVIA BERLINGUER 1SETTIMA (PC) 29020 ITALIATelephone: +390523 557623Fax Number: +390523 557256E-Mail: [email protected] Site: www.settima.itMarketing Contact: Ferraresi Simone Engineering Contact: Cagnani Pierpaolo Sales Office(s): Ferraresi SimoneProducts Manufactured/Supplied: Screw pumps

SHANGHAI BST ELECTRIC CO., LTDDA-MAIWAN INDUSTRIALZONE,HANGTOU,NANHUI,SHANGHAI,CHINASHANGHAI 201316 CHINATelephone: 86-21-58222286Fax Number: 86-21-58221353E-Mail: [email protected] Web Site: www.shbst.com Marketing Contact: Ms. Shelley Zhou Engineering Contact: Ms. Xiaodi Zhu Sales Office(s): International Business Dept. Products Manufactured/Supplied: Shanghai BST has the multi-processing capability forelectrical, mechanical, electronical, plastic, cableproducts. BST is specialized in manufacturing ofelevator and escalator electrical components,which includes: Car operation panel, Landingfixtures, Push button, PCBA, Hoistway fixtures,Control system, Cable, Cable harness etc.

SHARP ENGINEERS552’A’ ROAD, CROSS ROAD 12, GIDC, KATHWADAAHMEDABAD, INDIATelephone: 0091 79 22901711Fax Number: +91 79 22901716E-Mail: [email protected] Site: www.sharpengineers.comContact: Mr. Mitul PatelProducts Manufactured/Supplied:Elevator Machines & Spares.

SKYLINE INDIARECRUIT.COMPVT. LTD.44, DECCAN COURT, 259-SV ROAD, BANDRA WESTMUMBAI, MAHARASHTRA 400050 INDIATelephone: (+91 22) 2655 8076Fax Number: (+91 22) 2651 4750E-Mail: [email protected] Site: www.elevator-jobs.comProducts Manufactured/Supplied:Recruitment of Elevator Trained Personnel

TAK CONSULTING PVT. LTD.303, GALLERIA, HIRANANDANI GARDENS, POWAIMUMBAI - 400 076Telephone: +91 22 2570 7498 / 3263 8551Fax Number: +91 22 2570 7499E-Mail: [email protected] Site: www.takconsulting.netContact: Mr. Tak MathewsProducts Manufactured/Supplied: Design,Project, Service, Modernization & Traffic AnalysisConsultants for Elevators, Escalators and Moving Walks.TL JONES INDIA PVT LTD202 HYDE PARK

AFAG Messen und Ausstellungen . . . . . . . . . . . . . 7

Bharat Bijlee Ltd. . . . . . . . . . . . . 13Blain Hydraulics Gmbh. . . . . . . 87Canny Group Co., Ltd . . . . . . . 31Dinacell Electronica, s.l. . . . . . . 79EEST - Elevator & Escalator Safety Trust . . . . . . 53

ETA Melco Mitsubishi . . . . . . . . 15Elevator World. . . . . . . 4, 6, 33, 37,

52, 57, 69, 72, 86, Cover 3Formula Systems Ltd . . . . . . . . . 58Fuji Electric India Private Ltd.. . 27Gefran India Pvt. Ltd. . . . . . . . . 47Hitachi Lift India Pvt. Ltd. . . . . . 59Hydro-Pneumatic Teckniks. . . . 35IGV Group S.p.A. . . . . . . . . . . . 45Jeltron Systems (India) Pvt. Ltd. . . . . . . . . . . . . . . . . . 83

Johnson Lifts Private Limited . . . 5Kamal Enterprises

(Maxton Group) . . . . . . . . . . 11Kinetek . . . . . . . . . . . . . . . . . . . . 25Lenzi Elevators India Pvt Ltd. . . . 1Mattex . . . . . . . . . . . . . . . . . . . . 55MONTEFERRO S.P.A.. . . . . . . . . . 21Orient Wire Ropes. . . . . . . . . . . 46Physical Measurement Technologies . . . . . . . . . . . . . 23

Sematic Italia S.P.A. . . . . . Cover 4Shanghai BST Electric Co., Ltd. . . . . . . . . . . 43

Skyline IndiaRecruit.com Pvt. Ltd. . . . . . . . . . . . . . . . . . 73

Tak Consulting Private Limited . . . . . . . . . . . 71

Technische Akademie Heilbronn eV . . . . . . . . . . . . . . 9

Tecnolama S.A. . . . . . . . . Cover 2The Peelle Company Ltd. . . . . 89Virgo Communications & Exhibitions Pvt. Ltd. . . . . . . 85

Advertisers Index

SAKI VIHAR ROAD, ANDHERI-EASTMUMBAI 400 072 INDIA

Telephone: +91 22 4215 0700/01/02/03Fax Number: +91 22 4200 0789E-Mail: [email protected] Site: www.tljones.comMarketing Contact: Dinesh Musalekar, Tel +91 22 6526 0345 / 6Engineering Contact: Rajesh Dharne, Tel +91 22 6526 0345 / 6Sales Office(s):Mumbai (Tel: +91 22 6526 0345 / 6);New Delhi (Tel: +91 1 2553 7775); Chennai (Tel: +91 44 4308 1447)Also: Singapore, Christchurch, Shanghai,Guangzhou, Beijing, Chongqing, Dubai, Tokyo,London, New York.Products Manufactured/Supplied: TL Jones India supplies a full range of elevator passenger safety and information products to the Indian market. This includes world leading infrared doorsafety edge brands Microscan™ andPanachrome, plus E-Motive brand elevatormultimedia & TFT displays, emergencycommunications systems, annunciators, gongs,LED lights, photo sensor switches, lift monitoringsystems and various accessory products.

TECHNÍSCHE AKADEMÍE HEÍLBRONN E.VTHE TECHNÍCAL ACADEMYOF HEÍLBRONN E. V.MAX-PLANCK-STRAßE 3974081 HEÍLBRONNGERMANYTelephone: +49 (0) 7131 / 56 80 63 Fax Number: +49 (0) 7131 / 56 80 65Web Site: www.hs-heilbronn.de/TAH/EnglishTAHE-mail: [email protected]: Prof. Dr. G. ClaußProducts Manufactured/Supplied: TAH offers abroad and permanently updated spectrum ofspecialized training, seminars and conferences ofvaried duration focused on technology areas andbusiness management. Due to the ongoingglobalization, a variety of courses have beenintroduced to include the specific needs inlanguage and correspondence in an internationalenvironment.

TECNO DOORS PVT. LTD.PLOT NO. L-1SIPCOT IND. PARK SRIPERUMBUDURMAMBAKKAM & PONDUR ‘A’ VILLAGESRIPERUMBUDUR TALUK,KANCHEEPURAM DIST. 602106TAMIL NADU, INDIATelephone: +91 (0) 44 2716 8013Fax Number: +91 (0) 44 2716 8012E-Mail: [email protected] Site: www.fermator.com Marketing Contact: Krishnan RamanarayanProducts Manufactured/Supplied: AutomaticDoors for Passenger and Goods Lifts

UT LIMITED14, PRINCEP STREETKOLKATA – 700 072E-Mail: [email protected]

VIRGO COMMUNICATIONSPVT. LTD. & EXHIBITIONS#132, 1ST FLOOR, 5TH CROSS, CAMBRIDGE LAYOUT BANGALORE - 560 008, INDIA Telephone: +91 80 2556 7028/29, 4149 3996/97


96 ELEVATOR WORLD India • 2nd Quarter 2010 •

Products Manufactured/Supplied: Publishers ofElevator World India magazine in association withElevator World Inc., USA

WITTUR�ROHRBACHSTRASSE 28WIEDENZHAUSEN, GERMANY 85259 Web Site: www.wittur.com Marketing Contact: see website (“Contact us” section) Engineering Contact: see website (“Contact us” section) Sales Office(s): see website (“Contact us” section)Products Manufactured/Supplied: see website(“Product navigator” section)

WURTEC, INCORPORATED6200 BRENT DRIVETOLEDO, OHIO 43611Telephone: (419) 726-1066 Toll-Free: 1-800-837-1066Telephone: (419) 729-5764E-Mail: [email protected] Site: www.wurtec.comMarketing Contact: Julie KreienkampEngineering Contact: Steven WurthProducts Manufactured/Supplied: Guide Rail Install/Align Tools; False Cars; Roping andHoisting Equipment; ADA Phone Systems; Oil Filtering Systems; Safety and ElectricalEquipment; Power & Hand Tools; Test &Measuring Equipment; Material Handling & General Purpose Tools; Hydraulic Tools;Elevator Components

Tele-Fax Number: +91 80 2556 7028/29E-Mail: [email protected], [email protected],[email protected],[email protected] Web Site: www.virgo-comm.com,Marketing Contact: Ms. Anitha Raghunath & Mr. G. RaghuSales Office(s): Mr. Thomas T. AbrahamProducts Manufactured/Supplied: Organizers of India's mega exhibition and seminar on Elevator &Escalator technology - International Elevator &Escalator Expo (IEE Expo). Other exhibitionsbeing organized are: (i) IEE Expo - Tech Forum (ii) India International Adhesives & Sealants Expo(IIASE) (iii) International Power TransmissionExpo (IPTE - A Gear Technology Event).

VIRGO PUBLICATIONS#132, 1ST FLOOR, 5TH CROSS, CAMBRIDGE LAYOUTBANGALORE KARNATAKA 560008 INDIATelephone: +91 80 2556 7028, 2556 7029, 41493996, 4149 3997Tele-Fax Numbers: +91 80 2556 7028, 2556 7029E-Mail: [email protected],[email protected],[email protected] Web Site: www.elevatorworldindia.com Marketing Contact: Ms. Anitha Raghunath & Mr. G. RaghuSales Office(s): Mr. Thomas T. Abraham

www.sematic.com

The Sematic 2000 B-HR is the ideal solution for passenger movement within all skyscrapers, as it includes: fast, quiet and

comfort, unrivalled aesthetic properties and all in full compliance with the most stringent safety regulations. All of the

ensuring that this door guarantees constant high performance over a long life. For this reason, the Sematic 2000 B-HR has

SEMATIC 2000 B-HR: TECHNOLOGY RISES HIGH.

Fire-rated executions

Framed glass panels

Eco-friendly; low power consumption functions

Active closing system for extreme operating conditions

High adjustability for flexible installations

Top-quality safety devices for high speed elevators

Hidden bottom track available

High performance door system

Cover: Otis in India IEE Expo Coverage

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