Improving Mechanical Services in Healthcare Building Projects

7/29/2019 Improving Mechanical Services in Healthcare Building Projects

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Mesyuarat Tahunan Jurutera-Jurutera Mekanikal JKR 2006

MEKANIKAL

IMPROVING MECHANICAL SERVICES IN

HEALTHCARE BUILDING PROJECTS.

Ir. Ang Choo Hong

Ketua Penolong Pengarah Kanan (Mekanikal)

UNIT KEJURUTERAAN MEKANIKAL,

CAWANGAN KERJA KESIHATAN,

IBU PEJABAT JKR Malaysia

Ir. Razdwan Bin Kasim

Penolong Pengarah KananUNIT PAKAR PERALATAN PERUBATAN & MAKMAL,

CAWANGAN KEJURUTERAAN MEKANIKAL,

IBU PEJABAT JKR Malaysia

Wednesday, November 01, 2006

Mesyuarat Tahunan Jurutera-Jurutera Mekanikal JKR 2006


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IMPROVING MECHANICAL SERVICES IN HEALTHCARE BUILDING

PROJECTS.

1.0 OBJECTIVE

The objective of this paper is to present the experiences and lessons learnt by the

Unit Kejuruteraan Mekanikal, Cawangan Kerja Kesihatan in the implementation

of healthcare building projects. The paper will capture on-site experiences and

discuss the improvements introduced via the Mechanical Brief of Design and

Build / Turnkey projects.

2.0 INTRODUCTION

Healthcare building projects in general and hospital buildings in particular,

require higher standard of mechanical services installation than the othercommon building projects. Health patients need suitable environment that not

only will not cause further harm to their health, but also improve their recovery

rate. Activities within the healthcare buildings are also critical in nature. Defects

and fault incidences that may not need urgent repair in other buildings, require

immediate attention in a healthcare building.

Many hospitals built under the 8th Malaysia Plan (RMK8) were constructed

using the Design and Build / Turnkey (D&B/T) concept. Under this concept,

consultants are employed by Contractors to design and supervise the works, thus

performing most of what JKR would otherwise be doing. However in reality,

systems may not be designed and installed as they should and works not

properly supervised and coordinated, resulting in problems at a later stage. It is

not uncommon to find that after handing over, ie, during Defect Liability Period

(DLP), defects and maintenance issues cropped up. Thus the hospitals that have

been completed become sources of complains.

Based on the experiences above, the following measures were proposed.

3.0 SUPERVISION AND MONITORING TEAM

a. Consultants Team

The consultants should have their own teams supervising work at site. However

at site they often have to depend on the Contractors teams. This can result in a

conflict of interest and occurrences of inaccuracies in evaluation and

endorsement. Contractors argue that since the consultants are employed by

them, they should not have to employ another team to supervise the works. This

argument is unacceptable because the Contractors men should be doing the

execution while the consultants people do the supervision.

This issue is not unique to JKR projects only as it has been mentioned in the

Board of Engineers A Guide to Engineering Practice for M&E Engineers. It isrecommended that consultants have their own site supervisor and site team.

Mesyuarat Tahunan Jurutera-Jurutera Mekanikal JKR 2006 Page 1


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Fig.1 : BEM, A Guide to Engineering Practice for M&E Engineers

There has also been disagreement about the responsibility of the consultants

during DLP and their role in the supervision of maintenance. The BEM

Conditions of Engagement Clause 2.7 states that,

Unless terminated under Clause 2.3, Clause 2.4 or Clause 2.5 above

the Consulting Engineer's appointment under this Agreement shall

terminate when the Consulting Engineer shall make and issue the

certificate authorising the final payment to the Contractor. The

certificate authorising the final payment means the certificate to release

the retention sum by the Client at the completion of the defects liability

period/period of maintenance.

A new clause is now added to the Mechanical brief to highlight requirements for

the consultants appointment, team at site, and their responsibilities.

2.7 (i) The Contractor shall appoint a Mechanical Consultant

registered with the Kementerian Kewangan Malaysia, the Board of

Engineers Malaysia and experienced in the specific area as required by

the government.

The Consultants appointment shall include design, supervision

and certification of works during construction period as well as defectliability period and maintenance period and as described further in the

government brief. The Consultant shall have an adequate and qualified

team of design and supervisory staff including an experienced Resident

Mechanical Engineer. The Consultants team shall be different from the

Contractors own Mechanical team.

It is not specified here the exact number of members in the team as this would

depend on the complexity and size of a project. For smaller projects this clause

may need to be amended accordingly.



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Included in the above is the requirement for the consultant to be registered with

the Kementerian Kewangan Malaysia. This is important to avoid appointing

consultants with bad records.

b. JKRs Team

On the part of JKR, the need for an experienced team to audit the works isimportant. The JKR team must have sufficient numbers and experience to detect

potential installation problems before processing payment. Training is important

before an engineer is tasked to handle work at site. The team must have

knowledge of the relevant requirements of a D&B/T contract and standards.

The present Mechanical unit in CKK basically comprises engineers and staff

who started from scratch when the unit was formed, with minimum exposure on

hospital design and works. They have progressed far from then, though.

The practice that non-compliance or non-completed works (arguably said to be

minor) be rectified during Defect Liability Period (DLP), in order that paymentcan be made or the project can be handed over, can be costly, financially and to

JKRs reputation. Experiences also show that many repairs and remedial works

are only completed towards the end of the DLP, thus holding up making the

installation fully functional.

The Mechanical team needs to put on written record and bring to the attention of

the head of project team the critical services not completed. The project team as

a whole must also be made aware of this as in many cases there is simply not

sufficient Mechanical staff to be on the ground for all the projects at one time.

4.0 MAINTENANCE

a) Monitoring

For some projects, maintenance during DLP is monitored from Contractors

monthly reports and clients feedback during meetings. Site visits would be

made for more serious situations. This arrangement seems satisfactory for minor

installations.

However, for hospital projects, due to the critical services mentioned earlier, a

more regular and closer monitoring system is required. A faster response tofailure and defect is necessary and the time taken for corrective action needs to

be monitored. It must be ensured that the Contractors maintenance team is

available at site. In the contract, it is now stated that the Mechanical

maintenance team shall be headed by an experienced mechanical engineer

resident at site.

However it must be noted that closer and regular monitoring would require

additional and dedicated JKR staff. It may not be always necessary to have

dedicated staff for every particular installation; instead a team can be

responsible for a number of facilities.



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b) Spares During DLP

Spares during DLP fall into two major categories. First there are spares required

for repair and maintenance works and secondly the consumable items. The

contractors undertaking is stated in the D&B/T Contract thus,

59.2 The Contractor hereby expressly undertakes to remedy andsupply / replace all defective parts or items caused by normal wear and

tear, inclusive of all consumable items at his own cost

Some repair and replacement works may fall outside this definition. Damages

may be due to vandalism, neglect and other causes (abuse, environment etc).

Determining the exact cause and responsibility is not a straight and quick

process. For such situations, and where it involves critical services and safety,

the repairs must be done immediately. This requirement is now catered by a new

clause, as follow: (The list of items included however is not rigid and can be

changed as the need arises)

2.18 The following sets / nos of items / components, whichever is larger,shall be made available to the P.D before handing over of the project

and shall be installed by the Contractor as and when directed by the

P.D. during the Defects Liability Period :

Description Percentage / nos.

From total installed

a Sprinkler head (each type) 1 % or 10 nos

b Detectors (each type) 1 % or 10 nos

c Glass (for manual breakglass) 1 % or 20 nos

d Hose reel nozzle (each type) 1 % or 10 nos

e Vehicle and Engine Battery (each type) 5 % or 1 set

Price for the above is deemed to be included by the Contractor in his

offer. The above parts shall not be used by the Contractor as spares or

replacement for the maintenance and guarantee works.

The availability of the above spares also provides some time for the hospitalauthorities to put safety and security measures in place while educating the users

on the use of public facilities.

Contractors and clients have differed on the definition of consumables. Some

end users may want all items that is consumed and used up during operation to

be replenished by the Contractor. There is a need to clarify this issue, and as

such consumables are now defined only for maintenance and exclude specific

items such as fuels such as diesel and petrol, LPG, medical gases and vehicle

tyres.



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5.0 TESTING AND COMMISSIONING

Testing and commissioning (T&C) are among the last items to be done before

handing over a project. Often not enough time is allocated for these activities. At

times, T & C of some components are also pushed into the DLP. Such practices

should not occur especially for critical and safety related services.

After handing over Contractors / sub-contractors tend to demobilise and scale

down workmen at site. This would mean that T &C pushed into DLP would not

get the attention they deserved.

For hospitals that start operations immediately, getting work done during DLP is

a nuisance to the patients, hospital staff and visitors. It is also a safety hazard

and much more demanding.

Even services certified as successfully commissioned have been found to be not

up to standard due to the pressure and rush to handover. Doubts on T&C havealso been raised by the clients and has become a cause of concern to JKR.

To make sure sufficient time is allocated for T&C and due care is taken, it is

now required that the Contractors detail programme shall include a T&C

period of not less than four (4) weeks for each Mechanical service and For

special places/areas/rooms or mechanical systems such as the O.T, clean room

and medical gas system the Contractor shall also furnish a report by an

independent third party specialist.

With the above provision, JKRs team can ensure that the Contractor allocates

time for T&C. For critical areas and systems, the report from third party

specialist may help to eliminate or at least reduce the concerns on T&C.

6.0 TRAINING AND TUITION

JKR have also received unsatisfactory reports on operation and maintenance

training conducted by the Contractor. It is said to be inadequate, not properly

done and sometimes claimed not done at all.

These reports could be due to the training not being properly planned andcontents poorly prepared. It could also be due to the wrong person being sent to

attend the tuition or the staff originally trained being transferred elsewhere.

The Mechanical Brief now requires the instruction to include classroom type

tuition on theories, hands- on training and the contents shall contain the

requirements of Clause 5.4.2 b) BEM/RD/PPC/11.

The training manual contents should include:

- Conceptual system design

- Systematic start up and shutting down of the various equipments

- All functional features and setting of parameters- Safety procedures



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- Emergency procedures

- Optimising operation

- First level maintenance procedure.

Clients from time to time request for retraining sessions on operation and

maintenance. Request for retraining could be because of staff turnover orbecause of time lapsed between training and actual use of equipment. Though

Contractors do conduct the retraining required, this activity involves cost and

should be well organised.

The issue of retraining is now catered by the new Clause 3.11.2,

3.11.2 During the Defect Liability Period the Contractor shall

arrange for the retraining of one or more of the government staff as

directed by the P.D subject to the same duration as above.

It ought to be noted that training must be attended by the right people. TheConsultants being designer of the system should advise the Client to appoint the

right operation and maintenance staff early. They can then familiarise

themselves with the system before being trained to do the job.

7.0 AIR CONDITIONING SYSTEM

During the initial period after handing over, the hospital building is often under-

use with few patients and staff. The air conditioning heat load is low. This

results in the air conditioning system operating below the intended capacity.

Certain areas are even unused and with poor ventilation. The combination of

such factors, poor design and installation, idle system, lackadaisical

maintenance and environmental factors can contribute to condensation and

growth of fungus.

This issue will not be elaborated in this paper as it is easily a subject by itself.

The JKR team however must be alert to the more common causes such as poor

coordination, installation and operation.

a) Essential Power Supply

Currently the number of chillers that are connected to the essential supplyvaries. There are projects where only one chiller is connected and there are

projects where all are connected up.

The number of equipment able to operate on essential supply will affect the size

of the generator set, but all chiller sets (chiller, cooling towers and pumpsets)

should be connected to this supply. When required during emergency any

combination can then be switched on. However to control the number of chillers

that will operate and thus limit the demand on the gen-set, the number of

AHU/FCU that can be run shall only include those serving essential areas.

the items to be wired for operation on essential power shall include butnot limited to the following:-



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All chiller sets (chiller, water pumps, cooling towers etc) to serve

all essential areas, rooms etc.

AHUs/FCUs serving essential areas/rooms/department

b) Standby Requirement

For in-house JKR design, standby chiller is provided and for ease ofmaintenance, the chillers are configured such that they are identical and provide

the most economical service.

Installations in current and completed D&B/T projects however show that this is

not the case. The percentage of actual standby could be as low as only 25 %.

This arrangement is not maintenance friendly as the chiller load could be split

up to numerous very small units. This happens because formerly the

requirement only states that there shall be one identical standby unit installed

without being specific about the percentage of standby capacity.

To refine the standby requirement, it is now determined that the chillerconfiguration shall include identical standby unit/s to cater for a minimum

of 50 % hospital load. . Chiller sets are defined to include items such as the

chiller, water pumps and cooling towers.

In many areas in the hospital, the air conditioning system is an essential service.

For the operating theaters (OT) air conditioning supply is critical. It is noted that

most hospitals do not have back-up for the air handling units (AHU) even for

OTs.

To provide extra AHUs may be costly and there is also a constraint on space. As

a solution, AHUs for OT shall be installed with standby motors ready to be

connected when the duty blower motor fails.

8.0 MEDICAL GAS SYSTEM

If there is any mechanical system that could be said to be directly affecting the

patient than it must be the medical gas system. Its installation is specified to

comply with standards such as the HTM 2022.

Functionality need to be clarified during interaction with the client in the case ofusage of terminal units and attachments. Some of the issues that need to be

addressed are: Number of outlets (gas and electrical), and ease of use when

handling the terminal units.

Supply of gas cylinders was not a problem when JKR did the purchasing

through NSC tender. With D&B/T package contracts, cylinders of dubious

standards have been received. Problems arise when gas refilling contractor

refuses to refill the cylinders. Safety has been stated as one of the reasons to

decline. Requirement to have markings on the cylinders have proven to be

inadequate as cylinders can have all the dubious marks and it is difficult to

ascertain authenticity. Hence, in addition to requiring cylinders to be new,unused and complying to standards, it is now specified that cylinders must also



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be from reputable factory and complete with cylinder certificate issued by a

reputable body .

It is difficult to determine the quality of pipe work for medical gas once it has

been installed. Pipes, valves and fittings must be factory degreased and

delivered to site suitably packed and marked as medical gas items. These itemsmust be checked when delivered to site before installation.

9.0 OTHER SERVICES

a) Internal Cold Water and Sanitary Plumbing (CWS)

This system receives one of the most numbers of defect reports during DLP.

Most complains are related to fittings (broken taps, missing shower heads,

cistern failure etc). This is perhaps due to the large number of fittings involved

but it could also point to the fact that the items fixed are of low quality or low

standard of work.

CWS is a relatively new responsibility for JKR Mechanical discipline. Training

and exposure needs to be given to all our staff to ensure effective monitoring

and supervision. Closer monitoring and coordination is necessary as the works is

much more closely related to the progress of the building construction.

b) Lifts

Lifts are another front line services in a building and are very much used (and

abused) by the users. Generally there is not much complaining about this

system. However damage to lift buttons and display/indicator panels do occur. A

clause formerly specified for high rise quarters lifts have now been included to

tackle this problem. The car operating buttons, indicators and accessories must

now be anti-vandalism type and suitably protected.

Door hold function buttons has also been incorporated to avoid the crude

method of blocking the car doors with whatever is handy.

c) Fire Protection System

Being a safety related service, any reports of damage or failure need to be

attended immediately. As such most of the spares mentioned earlier that fall

outside normal maintenance spare parts are meant for the fire protectionsystem.

The other change made to the brief for this system is to take into account the use

of third party service for the link to the nearest Bomba station. Though the cost

may not be very high but it has been raised by Contractors. The costs shall now

be borne by the Contractor for the duration of the contract i.e till the end of the

DLP.



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11.0 RECORDS

a) Settling disputes

Keeping proper and up-to-date records is important, especially in settlement of

disputes. Records on training, on who received manuals, drawings, tests results

and such documents will avoid pointing of fingers.

One mode that has been employed is by keeping an index list of the above

which can than be easily referred to.

b) Setting norms

Perhaps the major fault of the Contractor during DLP is their slow response to

complains. Repairs are said to take forever or only done at the last minute.

However what is a reasonable response time ? For a simple repair a week may

be too long, but for a service that requires imported parts and specialised skill

that period may not be sufficient.

With records and by analysing the data, important information can be obtained

and norms established. Criteria such as response time, Mean Time To Repair

(MTTR), and availability can be determined and fixed. JKR will thus be able to

set with credibility the speed and duration of repair attendance by a Contractor.

c) Learning and sharing

The records collected can be shared and become a reference for others who are

involved in similar jobs.

12.0 CONCLUSION

There is a need to balance between having a very detail Mechanical Brief, like

our specification for in-house designed works, and the need to allow innovation

and avoid interferering with the Contractor / Consultants design. A rigid

specification will also probably put the responsibility heavily on JKR and not on

the design and build Contractor as it should be. However for critical, safety

related system and installations with repeated problems, there is a need for the

specification to be clear and complete.

Systematic records must be kept and maintained. With it problematic areas canbe identified and rectified.

Common solutions can be shared, training and awareness sessions for our staff

can then be held to avoid repeating the mistakes and to enhance the quality of

delivery of our projects.

The issues raised above are only some of the lessons learnt and improvements

that have been made and need to be continuously addressed.

The suggestions earlier and the improved Mechanical Brief should not be used

as a standard document for all projects. Changes and refinement may need to be



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done according to cater to the specific needs, complexity and size, among

others, of a project.

From time to time a committee can be formed to review the Mechanical Brief.

The members can look into changes introduced by individuals, adding new

standards and clauses to cater for current practice and situation.

//PaperMechCKK 011106.doc



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NOTE OF THANKS

The authors would like to thank all those who have directly and indirectly contributed

to the preparation of this paper. They include all mechanical engineers and staff of

Cawangan Kerja Kesihatan, who generously shared their experiences in handling

healthcare building projects.

A special note of appreciation to Ir. Mamat Rohizan Bin Abdullah, Ramli Bin Mohd.

Yusof and Ahmad Apandi Bin Larkin of Unit Kerja Kesihatan, Cawangan

Kejuruteraan Mekanikal for their invaluable knowledge and suggestion.

Last but not least to Pengarah Cawangan Kejuruteraan Mekanikal for his guidance

and for giving us this opportunity to present this paper.

Thank you.



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REFERENCES

1. Board of Engineers Malaysia, 2005, A Guide to Engineering Practice for M&E

Engineers.

2. Board of Engineers Malaysia, 1999, Conditions of Engagement.

3. Dept. of Healthcare,U.K, 1997, HTM 2022, Medical Gas Pipeline System.

4. JKR Malaysia, Mechanical Brief for Hospital.

5. JKR Malaysia, 2002, Standard Form of Design & Build / Turnkey Contract.

(PWD FORM DB/T), 2002 Edition.

ATTACHMENTS

1. Extracts from Standard Form of Design & Build / Turnkey Contract. (PWD

FORM DB/T), 2002 Edition.

2. Extracts from BEM FORM 1999

3. Extracts from Mechanical Brief for Hospital projects

4. Table of Hospital projects and chiller configuration



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ATTACHMENT 1 Extracts from Standard Form of Design & Build / Turnkey

Contract. (PWD FORM DB/T), 2002 Edition..

ARTICLES OF AGREEMENT

FIRST RECITAL

(1) The Government is desirous of obtaining the design, construction, equipping*

and maintenance* of _______________________ ________________________

# (hereinafter referred to as the 'Works') at for which Works the Government has

issued to the Contractor its requirements (hereinafter referred to as 'the

Government's Requirements') and instructed the Contractor to design the Works

and to submit proposals including drawings and specification for carrying out

the Works:

2. Contractor's Obligations

2.9.1 The Contractor shall only employ local consultants for the design and

supervision of the Works and the management of the Project. Under no

circumstances will the Contractor be permitted to employ foreign consultants

except where there are no local consultants with the required expertise and

special exemption had been obtained from the Government, prior to the

execution of the Contract.

2.9.2 The Contractor shall submit a complete list of consultants to be employed for

the Works stating their job category and their obligations. The Consultants shallbe suitably qualified and competent and shall be registered with their respective

professional Boards.

2.9.3 The Contractor shall not employ any other professionals (other than those

named in his proposal) without the prior consent of the P.D.. The Contractor's

attention is also drawn to the fact that the said consultants shall be retained

throughout the Contract Period for the supervision of the Works and they shall

not be discharged without the consent of the P.D. All as-built drawings required

for the Works shall be certified by the relevant consultant.

2.10.1 The Contractor shall employ Bumiputera organisations and or professionals tocarry out specific portion of the Works on a Subcontract basis as defined under

Clause 3 1 and the amount of all these participation shall be at least 30% of the

total Contract Value.

48. Defects After Completion

48.1 At any time during the Defects Liability Period as stated in Appendix 1 hereto

(or if none stated the period is twenty-four (24) months from the date of

practical completion of the Works), any defect, imperfection, shrinkage or any

other fault whatsoever which may appear and which are due to design,materials, goods, workmanship or equipment not in accordance with this

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Contract, shall be notified by the P.D. in a written instruction to the Contractor

who shall, within a reasonable time to be specified therein by the P.D., make

good such defects, imperfections, shrinkages or any other fault whatsoever at the

Contractor's own costs.

48.2 Notwithstanding sub-clause 48.1 above, any defect, imperfection, shrinkage orany other fault whatsoever which may appear during the Defects Liability

Period to be made good by the Contractor, shall be specified by the P.D. in the

Schedules of Defects of which the first schedule shall be delivered to the

Contractor within fourteen (14) days and the final schedule shall be delivered

not later than twenty-eight (28) days after the expiration of the Defects Liability

Period. The defects, imperfections, shrinkages or any other fault whatsoever

specified in the Schedules of Defects shall be made good by the Contractor at

his own costs and to be completed within a reasonable time but in any case not

later than three (3) months after the receipt of the final schedule. Provided that

the P.D. shall not be allowed to issue any further instruction requiring making

good of any defect, imperfection, shrinkage or any other fault whatsoever afterthe issue of the said Schedule of Defects or after twenty eight (28) days from the

expiration of the said Defects Liability Period, whichever is the later.

48.3 If the Contractor shall fail to comply with either sub-clause 48.1 or 48.2 or both

within the time so specified, the materials or works so affected may be made

good in such manner as the P.D. may think fit, in which case the costs incurred

including on-cost charges (calculated by applying the Percentage of On-cost

Charges stated in Appendix 1 to the costs incurred), shall be deducted from any

money due or to become due to the Contractor under this Contract and failing

which such costs shall be recovered from the Performance Bond or as a debt due

from the Contractor.

48.4 If any defect, imperfection, shrinkage or any other fault whatsoever be such that,

in the opinion of the P.D., it shall be impracticable or inconvenient to the

Government to have the Contractor to remedy the same, the P.D. shall ascertain

the diminution in the value of the Works due to the existence of such defects,

imperfections, shrinkages or any other fault whatsoever and deduct the amount

of such diminution from any money due or to become due to the Contractor

under this Contract, and failing which such diminution shall be recovered from

the Performance Bond or as a debt due from the Contractor.

48.5 When in the opinion of the P.D. the Contractor has made good the defects,

imperfections, shrinkages or any other fault whatsoever which he is required to

make good under sub-clauses 48.1 or 48.2, or both, the P.D. shall issue a

certificate to that effect, and the date stated in such certificate shall be the date

on which the Contractor has completed making good such defects,

imperfections, shrinkages or any other fault whatsoever. The said Certificate

shall be referred to as the 'Certificate of Completion of Making Good Defects'.



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59. Maintenance of Works and Services

59.1 The Contractor shall maintain the whole of the Works and Services as listed in

the scope of maintenance of works contained in the Government's Requirements

for a period of twenty-four (24) months from the date of the Practical

Completion of the Works (hereinafter referred to as the "Maintenance Period")and guarantee the same to be in good working conditions at all times. This

maintenance shall include services and equipment provided by the manufacturer

of the equipment installed and all materials and workmanship supplied by the

Contractor.

59.2 The Contractor hereby expressly undertake to remedy and supply/replace all

defective parts or items caused by normal wear and tear, inclusive of all

consumable items at his own cost. during the said twenty-four (24) months so

that the whole of the Works and Services is maintained in the best efficient

working order. This maintenance shall include regular and systematic checking,

cleaning, servicing, testing, calibration and services as recommended by themanufacturer/supplier as required by the relevant authorities and necessary

adjustment to the equipment. The Contractor shall also provide

alternativeltemporary substitutes to the equipment and services as required in

the event of a breakdown of the plant. Any spare parts required for replacement

shall be made readily available during the Maintenance Period.

59.3 Replacement made or required to be made during the Maintenance Period shall

be subjected to a similar Maintenance Period from the date of replacement,

provided that such Maintenance Period shall not exceed 24 months from the

expiry date of the first Maintenance Period as aforesaid.

59.4 When in the opinion of the P.D. the Contractor has satisfactorily completed the

maintenance of the Works and Services as required under this Clause, the P.D.

shall issue a certificate to that effect, and the date named in such certificate shall

be the date on which the Contractor has completed the same. The said

Certificate shall be referred to as the "Certificate of Completion of

Maintenance".



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ATTACHMENT 2 Extracts from BEM FORM (1999)

CONDITIONS OF ENGAGEMENT

2. DURATION OF ENGAGEMENT

2.7 Unless terminated under Clause 2.3, Clause 2.4 or Clause 2.5 above the

Consulting Engineer's appointment under this Agreement shall terminate when

the Consulting Engineer shall make and issue the certificate authorising the final

payment to the Contractor. The certificate authorising the final payment means

the certificate to release the retention sum by the Client at the completion of the

defects liability period/period of maintenance.



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ATTACHMENT 3 Extracts from Mechanical Brief for Hospital Projects

2.0 GENERAL INSTRUCTIONS TO CONTRACTOR

2.7 (i) The Contractor shall appoint a Mechanical Consultant registered with the

Kementerian Kewangan Malaysia, the Board of Engineers Malaysia andexperienced in the specific area as required by the government.

The Consultants appointment shall include design, supervision and

certification of works during construction period as well as defect liability

period and maintenance period and as described further in the government

brief. The Consultant shall have an adequate and qualified team of design and

supervisory staff including a experienced Resident Mechanical Engineer. The

Consultants team shall be different than the Contractors own Mechanical

team.

(ii) The subcontractor for Mechanical Works shall be PKK, CIDB registeredand experienced in the specific area as required by the government.

2.18 The following sets / nos of items / components, whichever is larger, shall be

supplied to the P.D before handing over of the project :

Description Percentage / nos.

from total installed

a Sprinkler head (each type) 1 % or 10 nos

b Detectors (each type) 1 % or 10 nos

c Glass (for manual breakglass) 1 % or 20 nosd Hose reel nozzle (each type) 1 % or 10 nos

e Vehicle and Engine Battery (each type) 5 % or 1 set

Price for the above is deemed to be included by the Contractor in his offer.

The above parts shall not be used by the Contractor as spares or replacement

for the maintenance and guarantee works but shall be installed by the

Contractor at no additional costs as directed by the P.D. during the Defects

Liability Period.

3.0. GENERAL REQUIREMENT

3.2 Detail Programme of Mechanical Work

Before the commencement of Mechanical Services, the Contractor shall

submit a detail programme of work for each individual Mechanical Services.

This detail programme shall indicate clearly the sequence of operation

required to complete the works of the Contract, the commencement and

completion dates of each section of the work and shall include a testing and

commissioning period of not less than four (4) weeks for each Mechanical

service.



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3.5 Supervision and Execution of Works

The Contractor shall have in his direct employment at all times an adequate

and qualified team of supervisory and executive staff including a experienced

Mechanical Engineer to execute the works. The Contractors team shall be

different than the Consultants Mechanical team. All works shall be of goodcurrent engineering practices and shall be carried out and supervised by

qualified, competent and skilled personnel whose quality shall be certified by

the Consultants Registered Professional Mechanical Engineer and agreed by

the P.D.

3.11 Operating Instructions and Tuition

3.11.1 After completing the installation and before handing it over the Contractor

shall arrange to instruct one or more client operators, in all aspects of correct

operation and maintenance of the installation, including checking and fault

finding in case of breakdown during normal working hours. The instructionshall include classroom type tuition on theories and hands on training. The

Contractor shall submit in advance for the P.Ds approval a detail and

complete schedule of the training to be conducted. This period of instruction

shall extend to a minimum of four (4) weeks or as specified by P.D. with the

plant in continuous normal operation.

3.11.2 During the Defect Liability Period the Contractor shall arrange for the

retraining of one or more of the government staff as directed by the P.D.

3.13 Testing and Commissioning

3.13.2 All the testing and commissioning shall be carried out and certified by the

Consultants Registered Professional Mechanical Engineer.

For the O.T, Clean room and Medical gas system, the Contractor shall also

furnish a report by a independent third party specialist.

3.17 Comprehensive Maintenance and Guarantee

3.17.9 Consumables

The following are INDICATIVE of the type of consumables for maintenance

that shall be included and the quantity shall correspond to the manufacturer's

recommendation and be sufficient for the whole of warranty period as

indicated in the contract.

Fuels such as diesel, petrol and LPG, medical gases and vehicle tyres are not

included as consumables.

3.19 Essential Power Supply.

Besides the essential requirements, which is mentioned elsewhere in thisdocument and other Briefs, the Contractor is to provide any other essential



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supply to all services to meet the functionality of the system/area/rooms such

as Cold/Hot Rooms, rooms/areas where delicate equipment stored such as X-

Ray Rooms, Equipment Stores, Ophthalmology Clinic, some laboratories,

Operation Theatre Departments, Operation Theatres, etc. For Air-Conditioning

and Ventilation System, the items to be wired for operation on essential power

shall include but not limited to the following:-

Sufficient nos. of chiller sets (chiller, water pumps, cooling towers etc)

to serve all essential areas, rooms etc.

AHUs/FCUs serving essential areas/rooms/department.

All exhaust fans serving essential areas and serving internalised toilets.

All areas with humidity controls.

4.0 AIR-CONDITIONING AND MECHANICAL VENTILATION

SYSTEMS.

4.5 Detail of Equipment

4.5.1 Chillers.

The configuration of the chillers shall include identical standby unit/s to cater

for a minimum of 50 % hospital load.

4.5.4 Air Handling Units / Fan Coil Units

All OTs and laboratories shall have dedicated AHU. All OTs AHU shall be

designed complete with standby motor.

4.9 Other Important Requirements

1. Air-conditioned air ducts shall be insulated with Class O surface Nitrile

rubber or PE foam. All air conditioned areas shall be designed with

ducted returns.

5.0 LIFTS, DUMBWAITERS AND ESCALATORS

5.3.15 The car operating panel buttons, indicators and accessories shall be anti-

vandalism type and suitably protected e.g with 10mm clear perspex with

countersunk screws.

5.3.16 All passengers lifts shall also cater for handicapped users e.g. Braille buttons

and markings, Synthesized voice, Handrails, Wheelchair level COP, Position

and travel direction indicators etc.

5.4 Other Important Requirement

5. The lifts shall be equipped with door hold function buttons.



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6.0 MEDICAL GAS PIPELINE SYSTEMS

6.1 General.

6.1.3 Supply or rental of gas cylinders shall be decided during interaction meeting.Gas cylinders shall be new, unused, from reputable factory and complete with

cylinder certificate issued by a reputable body. Should the gas cylinders be

rented, rental costs shall be borne by the Contractor for the duration of the

Contract i.e. till the end of the defect liability period.

6.3 Outlets & Piping

6.3.7 Pipes shall be factory degreased and certified by the factory.

6.3.8 All terminal units and accessories for pendants shall be approved by the

pendant supplier. The height of the pendants shall be determined during theinteraction meeting.

6.3.9 All works shall be pressure tested and certified by the Consultants Registered

Professional Mechanical Engineer.

7.0 FIRE PROTECTION SYSTEMS

7.3.7 Fire Alarm System

7.3.7.3 A master switch to actuate all alarm bells and flashing lights shall be provided.

The panel shall be linked to the nearest Fire Brigade Station. For link through

third party authorities, the costs shall be borne by the Contractor for the

duration of the contract i.e. till the end of the defect liability period.



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ATTACHMENT 4 Table of Hospital projects and chiller configuration.

Hospital Bil / KapasitiChiller

Running Standby % Standby

1 S 5 x 400 Tr 3 2 67 % (800/1200)

2 T 4 x 650 Tr 3 1 33 % (650/1950)

3 AS 4 x 700 Tr 3 1 33 % (700/2100)

4 A 5 x 200 Tr 4 1 25 % (200/800)

Improving Mechanical Services in Healthcare Building Projects

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