Scope of Works

Tender No: E19/2012

33/11kV SUBSTATION WORKS IN NORTH & EASTERN AREAS OF NORTHERN EMIRATES

VOLUME III

SCOPE OF WORKS

TENDER NO. E19/2012

33/11kV SUBSTATION WORKS IN NORTH & EAST AREAS OF NORTHERN EMIRATES

Volume III Scope of Works

Page 1 of 536

SCOPE OF WORKS

Table of Contents

SCHEDULE NO. DESCRIPTION

SCHEDULE A to E DEFINITE WORKS

PART - A NORTH AREA ( 1 ) A1 NEW 33/11kV SHEIKH KHALIFA HOSPITAL (SHKH) SUBSTATION A2 NEW 33/11kV RIFFAH-3 (RIF3) SUBSTATION A3 NEW 33/11kV ZAITH-3 (ZAT3) SUBSTATION A4 NEW 33/11kV JAZEERAH INDUSTRIAL (JZIN) SUBSTATION A5 CAPACITOR BANK INSTALLATION AT 33/11kV KHARAN (KHAR) SUBSTATION A6 PROTECTION MODIFICATION WORKS AT EXISTING SUBSTATIONS IN

NORTH AREA (1) PART - B NORTH AREA ( 2 )

B1 NEW 33/11kV RAMS-2 (RMS2) SUBSTATION B2 NEW 33/11kV SHAMAL (SHML) SUBSTATION B3 NEW 33/11kV GHALILAH (GHAL) SUBSTATION B4 NEW 33/11kV SEIH AL BURAIRAT (SEBU) SUBSTATION B5 NEW 33/11kV WADI SHAM (WDSH) SUBSTATION B6 EXTENSION OF 132/33/11kV NAKHEEL POWER (NKPS) SUBSTATION B7 EXTENSION OF 33/11kV MAREED (MARD) SUBSTATION B8 EXTENSION OF 33/11kV SHARISHA (SHAR) SUBSTATION B9 PROTECTION MODIFICATION WORKS AT EXISTING SUBSTATIONS IN

NORTH AREA (2)

TENDER NO. E19/2012



Page 2 of 536

SCHEDULE NO DESCRIPTION

PART - C EAST AREA (A) C1 NEW 33/11kV NAJAIMAT (NAJM) SUBSTATION C2 NEW 33/11kV WATER FIELD 2 (WFL2) SUBSTATION C3 NEW 33/11kV AL HAIL INDUSTRIAL (HAIN) SUBSTATION C4 EXTENSION OF 33/11kV MIRASHID (MIRA) SUBSTATION C5 EXTENSION OF 33/11kV HALIFAT (HALI) SUBSTATION C6 EXTENSION OF 33/11kV QIDFA (QDFA) SUBSTATION C7 EXTENSION OF 33/11kV AL HAIL (HAIL) SUBSTATION C8 EXTENSION OF 33/11kV SAFFA (SAFF) SUBSTATION C9 EXTENSION OF 33/11kV FUJAIRAH TOWER (FUJR) SUBSTATION C10 EXTENSION OF 33/11kV FUJAIRAH TOWN CENTER (TWNC) SUBSTATION C11 PROTECTION MODIFICATION WORKS AT EXISTING SUBSTATIONS IN

EAST AREA (A)

PART - D EAST AREA (B) D1 NEW 33/11kV SEIH DIBBA (SEDI) SUBSTATION D2 NEW 33/11kV TAWYEEN (TAWY) SUBSTATION D3 EXTENSION OF 132/33/11kV DIBBA MAIN (DBMN) SUBSTATION D4 EXTENSION OF 33/11kV AKKAMIA (AKAM) SUBSTATION D5 EXTENSION OF 33/11kV DIBBA AL HISN (DHSN) SUBSTATION D6 EXTENSION OF 33/11kV WASSAT (WAST) SUBSTATION D7 EXTENSION OF 132/33/11kV DADNAH MAIN (DAMN) SUBSTATION D8 EXTENSION OF 33/11kV BIDIYA (BIDY) SUBSTATION

D9 PROTECTION MODIFICATION WORKS AT EXISTING SUBSTATIONS IN

EAST AREA (B)

TENDER NO. E19/2012



Page 3 of 536

PART - E COMMON ITEMS

E1 SUPPLY OF SPARE 33/11KV DISTRIBUTION TRANSFORMER

E2 SCADA WORKS AT EXISTING UAQ SYSTEM CONTROL CENTRE

E3 TELECOMMUNICATION EQUIPMENT

SCHEDULE F OPTIONAL SCOPE OF WORKS

TENDER NO. E19/2012



Page 4 of 536

NUMBERING SYSTEM

The following numbering system has been used in identifying the plant description, site and different type of work which is also been used in the price schedule for re-relation purposes.

A 1 G 01. 01.1

Sub item (1 to 99)

Sub item (01 to 99)

Item of Work for each discipline (01 to 99)

Discipline G : General E : Electrical SC: SCADA T : Telecom C : Civil, Structural & Architectural M : Mechanical

Site (1 to 20) common for all sites (O)

Plant Description. A - E Substation (Definite Work) F Substation (Optional Work)

TENDER NO. E19/2012



Page 5 of 536

SCOPE OF WORKS

TABLE OF CONTENTS

SL. No. Description

1.0 Project Description 2.0 Manufacturer Supervisor

3.0 Testing and Commissioning of Main Relays & Fault Recorder

4.0 Site Establishment and Services

5.0 Power Supply for Installation, Testing & Commissioning Works

6.0 Overall Co-ordination

6.1 Interfacing of Main Protection Relays and Communication System

7.0 Site Testing

8.0 Auxiliary Mandatory Requirements

9.0 33kV & 11kV Cables

10.0 HV Test for Substation Equipment

11.0 Site Work Permits/Security Passes

12.0 General Requirements for Modification Works at Existing Substations

13.0 Tenderers Visit to Sites

14.0 Brief Scope of Works

TENDER NO. E19/2012



Page 6 of 536

SCOPE OF WORKS

1. Project Description

New 33/11kV substations shall be constructed on turnkey basis (design, supply, construction, installation, testing and commissioning) at the sites as shown in the site location drawings. Also, some existing substations shall be extended as specified below:

Part A North Area (1)

New Substations

A1- New 33/11kV Sheikh Khalifa Hospital (SHKH) Substation A2- New 33/11kV Riffah-3 (RIF3) Substation A3- New 33/11kV Zaith-3 (ZAT3) Substation A4- New 33/11kV Jazeerah Industrial (JZIN) Substation

Extension works at Existing Substations

A5- Capacitor Bank Installation at 33/11kV Kharan (KHAR) Substation A6- Protection Modification Works at Existing Substations in North Area (1)

Part B North Area (2)

New Substations

B1- New 33/11kV Rams-2 (RMS2) Substation B2- New 33/11kV Shamal (SHML) Substation B3- New 33/11kV Ghalilah (GHAL) Substation B4- New 33/11kV Seih Al Burairat (SEBU) Substation B5- New 33/11kV Wadi Sham (WDSH) Substation


B6- Extension of 132/33/11kV Nakheel Power (NKPS) Substation B7- Extension of 33/11kV Mareed (MARD) Substation B8- Extension of 33/11kV Sharisha (SHAR) Substation B9- Protection Modification Works at Existing Substations in North Area (2)

TENDER NO. E19/2012



Page 7 of 536

Part C East Area (A)

New Substations C1- New 33/11kV Najaimat (NAJM) Substation C2- New 33/11kV Water Field-2 (WFL2) Substation C3- New 33/11kV Al Hail Industrial (HAIN) Substation


C4- Extension of 33/11kV Mirashid (MIRA) Substation C5- Extension of 33/11kV Halifat (HALI) Substation C6- Extension of 33/11kV Qidfa (QDFA) Substation C7- Extension of 33/11kV Al Hail (HAIL) substation C8- Extension of 33/11kV Saffa (SAFF) substation C9- Extension of 33/11kV Fujairah Tower (FUJR) substation C10- Extension of 33/11kV Fujairah Town Center(TWCN) Substation C11- Protection Modification Works at Existing Substations in East Area (A)

Part D East Area (B) New Substations D1- New 33/11kV Seih Dibba (SEDI) Substation D2- New 33/11kV Tawyeen (TAWY) Substation


D3- Extension of 132/33/11kV Dibba Main (DBMN) Substation D4- Extension of 33/11kV Akkamia (AKAM) Substation D5- Extension of 33/11kv Dibba Al Hisn (DHSN) Substation D6- Extension of 33/11kV Wassat (WAST) Substation D7- Extension of 132/33/11kV Dadnah Main (DAMN) Substation D8- Extension of 33/11kV Bidiya (BIDY) Substation D9- Protection Modification Works at Existing Substations in East Area (B)

Part E Common Items

E1- Supply of Spare 33/11kv Distribution Transformer E2- Scada Works at Existing UAQ System Control Centre E3- Telecommunication Equipment

Schedule F- Optional Scope of Works

TENDER NO. E19/2012



Page 8 of 536

General Requirements

Each new substation shall be indoor load center substation and is intended for installation of three (3) Nos. of 33/11kV transformers for feeding power to consumers. 33kV switchgear shall be of GIS type, 11kV switchgear shall be metal clad air insulated type for indoor installation. Distribution Transformers shall be of oil filled and foreseen for indoor or outdoor installation. Control, protection, SCADA and communication equipment shall be located in separate rooms. Auxiliary AC/DC power supply, illumination, grounding, lightning protection, cabling systems etc. shall be provided as required for the project.

A conceptual layout of the substation building is enclosed with the tender document. The contractor shall rearrange the design, as required, based on the approved plot and final OHL/cable routing without any contractual implication to FEWA. The clearance shown in the drawing is minimum and contractor shall rearrange the layout if required to maintain the minimum clearances based on the actual equipment size selected. The room size shall be increased, if required, to achieve the minimum clearance as specified, based on the size of equipment finally approved, without any contractual implication to FEWA.

The substation building shall be provided with space for installation of future equipment as indicated in the SLD, layout drawing.

The main substation building shall also be provided with store and toilet facilities.

A make-up and fire water pump house along with all other auxiliaries for complete service water, fire protection system shall be provided in the substation.

Boundary wall shall be constructed along the perimeter of the substation plot. Access roads from the nearest asphalt municipal road shall be provided upto the substation main gates.

2.0 Manufacturer Supervisor

The manufacturer supervisor from the factory for installation, testing and commissioning activities shall be arranged by the contractor within the overall quoted price for the following equipment. The manufacture specialist shall be proposed from the works and local Engineers trained or certified by the manufacturer are not acceptable against the same.

33kV & 11kV Switchgear 20/25 MVA Distribution Transformers 20MVA Distribution Transformers Main protection relays and BCPU 110V DC System

Capacitor banks Scada and communication system

TENDER NO. E19/2012



Page 9 of 536

The manufacturer's specialist being proposed shall be from the works of the equipment and shall be experienced/specialized in the respective equipment. The cost of providing manufacturers specialist for the above equipment shall be included in the quoted price without any contractual implication to FEWA.

2.1 Manufacturer Supervisor for FEWA Free Issued Equipment Extensions

The manufacturer supervisor for installation, testing and commissioning activities shall be arranged by the Contractor under this Contract. FEWA will not provide any manufacturer supervisor.

3.0 Testing and Commissioning of Main Relays

3.1 The following main protection relays shall be configured, programmed and tested by the manufacturer specialist. The contractor shall arrange the manufacturers testing engineer for the testing of following relays. The contractor in his offer shall include all cost towards arranging manufacturer specialist including fee for the supervisor.

a) Main Protections for 33kV OHL and Cables. b) Transformer differential/REF protection for 33/11kV transformers. c) Automatic voltage regulation d) Busbar protection for 33kV Switchgear. e) Check synch relay for 33 kV. f) End to end testing of Main protections. g) 11kV Bay control and protection unit. h) Capacitor bank protection and PFC relays i) SCADA and telecom system

The complete features/characteristics of all other relays shall be tested by the contractor. All characteristics/features of numerical relays whether used in schematic diagram or not, shall be tested by the contractor/manufacturer relay testing engineers. It is the responsibility of the contractor for overall testing and commissioning of all protection system.

3.2 The contractor shall also provide necessary tools, testing equipment, manpower and any other assistance required for successful testing and commissioning of all relays. All necessary costs towards the same are deemed to be included in the quoted price.

4.0 Site Establishment & Services

The contractor shall provide all the site facilities and other services for FEWA and Engineer (Consultant) as specified in special conditions of contract.

5.0 Power Supply for Installation, Testing & Commissioning Works

The contractor shall arrange the AC/DC power supplies required for the entire construction, installation, testing and commissioning works. Particular attention shall

TENDER NO. E19/2012



Page 10 of 536

be provided for testing power supply for numerical relays. Dedicated charger with battery backup shall be employed for the testing purpose in order to reduce the ripples in the power supply which may adversely affect the performance of numerical relays.

Power supply arranged by the contractor shall be retained until commissioning and permanent auxiliary supply is available to the substation from the auxiliary transformer. Necessary power for HVAC system, lighting and small power system and fire protection system etc shall be maintained upto energization of all equipment including LVAC through the auxiliary transformers.

6.0 Overall Coordination

It is the responsibility of the contractor to fully co-ordinate and co-operate with other contractor including OHL/cabling contractors and other remote end substation contractors wherever required.

7.0 Site Testing

The contractor shall carryout the site tests for all equipment as per the relevant standards, manufacturer instruction manuals, manufacturer recommendations and as required by FEWA, in the presence of Engineer/FEWA.

The costs towards all site testing for new substations, Extension substations, and remote end substations (wherever protection modification work shall be included in this tender) are deemed to be included in the quoted price.

The end to end testing of main protection and remote substation feeder testing shall be included for the following substations :

a) Remote end modification as required in the scope of work. b) Wherever the remote end substation names are indicated to

match the protection. c) Wherever the remote end substation names are identified and

the remote end substation is under construction or part of another contract.

The contractor shall prepare the check list and site test formats for all the substation equipment including the details of test procedures, equipment/instrument employed, test diagrams, method statement etc and shall be approved by Engineer/FEWA before commencing the site testing.

It is mandatory to complete the requirement of approved Check list by the contractor before commencing the site testing for all substation Equipment and SCADA and communication equipment.

All testing equipment are subjected to Engineer/FEWAs approval. The valid calibration certificates of all test instruments/equipment shall be made available at

TENDER NO. E19/2012



Page 11 of 536

site by the substation contractor before commencing any test. The contractor shall deploy only qualified and experienced Engineers and approved by Engineer/FEWA, for site testing of each equipment.

The site testing and commissioning engineers will be interviewed and supervised by Engineer/FEWA. If the performance of the testing engineers is found not satisfactory during execution then they shall be replaced with qualified and experienced engineer without any implication to FEWA at any stage of contract.

8.0 Auxiliary Mandatory Requirements

For each 33/11kV substation (for all new and extension substations), the following items shall be supplied by the contractor within the quoted price:

a) Proper key boxes with identification tags, master key system, key schedule, etc.

b) First aid box having all necessary first aid requirements. c) First aid chart for electrical shocks to be made available in Arabic and English

with clear pictures and neatly framed. d) Two pairs of safety gloves for MV equipment. e) Substation single line diagram describing the entire electrical system neatly

framed in each switchgear room and control room. f) Necessary furnitures to maintain the As built documents and O&M manuals

shall be provided. Also, an operator table with chair shall be provided. The furnitures type and make shall be subject for Engineer/FEWA approval.

g) Suitable arrangement/boards to keep all operation and maintenance tools of each equipment separately.

h) Suitable panel and SCADA numbering labels both in English and Arabic for all equipment including both sides of GIS, Relay/Control Panels, 11kV switchgear, transformer and all substation equipment as per FEWA requirements, specification and subject to Engineer/FEWA approval.

i) Suitable danger boards, identification plates etc wherever required. j) Fire retardant cabinet for keeping the site test reports and the same shall be

provided before starting the installation of electrical equipment.

For existing substations, the existing facilities (if available) shall be suitably modified and upgraded or new items shall be supplied, if such facilities are not available.

9.0 33kV and 11kV Cables

The following cable sizes are preferred for 33kV and 11kV systems.

33kV - 1C x 500 sq.mm copper XLPE cable. 11kV - 1C x 630 or 1Cx800 sq.mm copper XLPE cable.

The number of cables indicated (for 33kV and 11kV) in this tender is indicative and for tender propose only. The Contractor shall submit the cable sizing calculation and

TENDER NO. E19/2012



Page 12 of 536

as per calculation, the required number of cables shall be provided without any contractual implication to FEWA.

10.0 HV test for Substation Equipment

HV test at site for all equipment as applicable as per relevant IEC standard including 33kV GIS, 11kV switchgear, 33kV cables, 11kV cables etc. shall be conducted at site. Partial discharge measurement shall be carried out during the HV Test of 33kV GIS. All necessary equipment for PD measurement shall be arranged and the PD test criteria as specified in IEC 62271-203 for HV equipment shall be considered as reference and to be proved at site.

All necessary cost towards arranging HV test equipment, PD measurement, manufacturers Supervisor etc shall be included in the overall quoted price.

Any site test which is not specifically indicated in the specification but necessary as per standard engineering practice/IEC/ as required by FEWA shall be conducted at site without any contractual implication to FEWA.

11.0 Site Work Permits/Security Passes

When undertaking work requiring a permit, the Contractor shall assist and co-ordinate with FEWA to comply with requirements for safety and operation until the permit shall be obtained, in strict compliance with FEWA procedure, each morning, before commencing work in the designated area. Site work permits shall be in accordance with FEWA safety/security regulations.

Any delay or expenses for securing necessary permission/permits/passes from the concerned authorities shall not entitle the Contractor to any claim for extension of completion date or payment.

12.0 General Requirements for Modification Works at Existing Substations

All the modifications as required in the GIS, LV Compartment, C & RP, BZP, RTU, CCC etc. including but not limited to changing the labels, modifying the schematic diagrams, GA drawings, layout drawing preparation and revision of all relevant drawings, SLDs, layouts etc. as required to reflect the circuit changes shall be carried out by the contractor under scope of this contract within the quoted price. All such drawings whether specifically mentioned or not shall be modified and submitted to Authoritys approval by the substation contractor at an early stage of project execution. All extension and modification works shall be carried out by the substation contractor with minimum outage only. The substation contractor in his offer shall state the requirement of shut down in existing substations. The complete set of as built drawings (wherever changes as required) shall be resubmitted incorporating the changes.

The Authority reserve the right to ask the substation contractor to retest and recommission any item or plant disturbed during modification works without any cost

TENDER NO. E19/2012



Page 13 of 536

and time implication to the Authority and no deviation is acceptable in this regard. The contractor must visit the site and all necessary existing information, drawings, documents, etc. required shall be collected without any implications to authority. Any civil modifications anticipated in the 33kV GIS room, Control & Relay room etc. shall be carried out by the contractor without any contractual implication to FEWA.

Modification of the existing protection/control/AVR, etc panels shall be carried out by qualified and experienced manufacturer representatives subject to approval of FEWA. All the modifications shall be carried out with minimum shutdown requirements and without any disturbance to existing system. The tenderer shall make site visit and assess themselves all the required modifications to be carried out in existing panels and the cost towards all works shall be included within the quoted price.

All modifications required in existing panels, LV Compartment relay and control panels, AC/DC system etc shall be included within the quoted price.

The existing substation as built drawings including but not limited to layout of main equipment, sections, cable route layout, cable tray layout, earthing drawings, control and protection schematic diagrams of existing bays (bus coupler, common control panels, adjacent panels etc), substation single line diagrams, associated civil and electromechanical drawings affected by the modification works etc shall be suitably modified and submit to Authoritys approval at an early stage. All such drawings shall also be made as final as built drawings by the substation contractor in addition to the equipment drawings.

If the existing drawings are not available with FEWA, then the Contractor shall prepare all such drainage based on the actual existing building and equipment details and shall prepare as built drawings after completion of the modification works. All cost towards such works shall be deemed to be included within the quoted price.

Any relocation of existing equipment required for works shall be deemed to be included in the quoted price. New control cables/LV power cables, communication cables, fixing arrangement of relocated equipment etc are also included within the quoted price. All the relay setting calculations as required by FEWA shall be carried out by the contractor under scope of this contract and shall be submitted to FEWA approval.

Any necessary details including but not limited to existing relay setting, drawings/information, equipment technical data, etc as required shall be collected from site/equipment by contractor under the scope of this tender. All schematic diagrams shall be tested and all protection testing including end to end testing shall be carried out within the quoted price.

The complete end-to-end protection testing shall be carried out for all the feeders being subject of modification woks, as indicated in the corresponding Tender single

TENDER NO. E19/2012



Page 14 of 536

line diagram drawing. End-to-end Schematic diagram for Main Protection shall be prepared and submitted for approval by the Contractor.

13.0 Tenderers Visit to Sites

The Tenderers shall visit the new substation sites and the existing substations in order to ascertain the actual conditions, verify the scope of works and accordingly include in their offer all items required for the satisfactory operation of the system.

14.0 Brief Scope of Works

All details specified above item 1.0 to 13.0, schedule of requirements, price schedule, detailed Technical Specification, General requirement specification, drawings etc shall be read in conjunction with the detailed scope of work.

TENDER NO. E19/2012



Page 15 of 536

PART A : NORTH AREA (1)

A1 NEW 33/11kV SHEIKH KHALIFA HOSPITAL (SHKH) SUBSTATION

A1E SCOPE OF WORK ELECTRICAL

A1E01 33kV System

01.01 33kV GIS

All work related to design, supply, installation, testing & commissioning of one (1) set of 33kV gas insulated switchgear with single busbar system, current rated 2500A, short circuit current 40kA, 3 Sec. (as per IEC rating of 400C) comprising the specified twelve (12) bays with all necessary circuit breakers, disconnectors, earthing switches, CTs, VTs, cable termination sockets and plugs, plug-in termination, dummy plugs, protection, control and metering equipment as per schedule of requirement, single line diagram, detailed technical schedule and specification, C & P diagram etc.

The civil and services works must cater for future envisaged extension of six (6) outgoing cable feeders (3 feeeders on L.H.S and 3 feeders on R.H.S of 33kV GIS). Also the substation control room shall be such that it is possible to add the relevant control and protection equipment and any other auxiliary equipment required for future bays.

All operating tools, special tools, and tackles, one set of plugs and connecting leads for HVAC test of GIS/HV test of cables, one set of plugs and connecting lead for CT primary injection, one set of special tools to dismantle plug in type termination from GIS, 3 dummy plugs for line VTs etc. shall be supplied within the overall quoted price of GIS as common items. SF6 gas required for topping up at site shall also be supplied within the quoted price. If line VTs are separately connected then connecting cable, terminations etc. shall also to be supplied by the GIS manufacturer within the quoted price.

01.01.1 Two (2) Bus Sections and Bus risers with busbar earth switches and 3 phase busbar voltage transformers for each bus as per SLD.

01.01.2 Three (3) 20/25 MVA, 33/11kV, HVDT feeders

01.01.3 Seven (7) Cable feeders.

01.02 33kV combined control/relay panels

All work related to the design, supply, installation, testing & commissioning of one (1) complete set of 33kV combined control/ relay panels with all accessories as per schedule of requirement, detailed technical specification, tender drawings etc. for the following circuits.

TENDER NO. E19/2012



Page 16 of 536

01.02.1 Two (2) Bus Sections.

01.02.2 Three (3) 33/11kV, 20/25 MVA, HVDT feeders

01.02.3 Seven (7) cable feeders with fibre optic current differential protection scheme

01.02.4 Four (4) sets of matching F.O. current differential protection relays and test terminal blocks etc (loose supply) for remote ends.

01.02.5 One (1) common control panel

01.03 33kV Busbar protection panels.

01.03.1 All work related to design, supply, installation, testing and commissioning of one (1) set of 33kV busbar protection panels segregated between disc-zones and check zones. (Minimum 3 panels).

01.04 33kV plug in type terminations.

01.04.1 Supply of 21 Nos. of 33kV plug-in type cable terminations, suitable for 33kV, 1Cx500 sq.mm Cu, XLPE cables for outgoing cable feeders.

01.04.2 Supply of dummy plugs (for all outgoing feeders).

01.05 Gas Handling Plant

01.05.1 One (1) set of SF6 gas filling and evacuation plant for 33kV GIS with SF6 gas for site top up. The equipment shall be suitable for the type of switchgear offered. All accessories shall be supplied.

A1E02 11kV System

02.01 11kV Air Insulated Switchgear

All work related to design, supply, installation, testing and commissioning one (1) set of 11kV air insulated switchgear rated at 2500A, 31.5kA, 3 Sec. (site rating) comprising the following bays with all necessary circuit breakers, earthing switches, CTs, VTs, cable terminations, protection, control and metering equipment etc as per schedule of requirement, single line diagram and detailed technical schedule and specification, C & P diagram etc.

All operating tools, special tools, and tackles (2 sets), one set of test leads/test probes for HVAC test of 11kV switchgear/cables, one set of test leads/test probes for CT primary injection etc. shall be supplied within the quoted price.

02.01.1 Two (2) Bus sections and bus risers with 3 phase busbar voltage transformers and busbar earth switches as per single line diagram.

TENDER NO. E19/2012



Page 17 of 536

02.01.2 Three (3) incoming 20/25 MVA, 33/11kV HVDT bays with energy metering

02.01.3 Two (2) 11/0.433kV auxiliary transformer bays with energy metering

02.01.4 Twelve (12 ) 630A outgoing cable feeders with energy metering

02.01.5 Twelve (12 ) 630A outgoing cable feeders

02.01.6 Three (3) Capacitor bank feeders

A1E03 Transformers and Neutral Earthing Resistor

03.01 High Voltage Distribution Transformer (HVDT) and NER

03.01.1 20/25MVA 33/11kV Distribution Transformer

All work related to design, supply, installation, testing and commissioning of three (3) sets of 20/25 MVA Dyn11 33/11kV, ONAN/ONAF distribution transformer with accessories, OLTC, remote control panel (RTCC) for OLTC, neutral CTs etc. (Percentage impedance at rated tap and maximum rated MVA = 12.5/15.62%) as per schedule of requirement, detailed technical specification etc.

03.01.2 Neutral Earthing Resistor (NER)

All work related to design, supply, installation, testing and commissioning of three (3) NERs of 6.35 ohms, 1000A, 10 seconds for earthing 11kV neutral of above 20/25MVA HVDTs as per schedule of requirement, detailed technical specification etc including isolators.

03.02 Auxiliary Transformer

03.02.1 All work related to design, supply, installation, testing and commissioning of two (2) sets of 11/0.433kV, auxiliary transformer with all accessories for power supply to auxiliary system of the substation as per schedule of requirement, detailed technical specification etc. Auxiliary transformer sizing calculation that includes motor starting conditions shall be submitted and as per calculation transformer rating is to be selected.

A1E04 Capacitor Banks

04.01 3 Phase, 11kV, 6 MVAr Capacitor Bank

04.01.1 All work related to design, supply, installation, testing and commissioning of two (2) sets of 3 Phase, 11kV, 6 MVAr capacitor banks (3 stages of 2 MVAR each) with automatic control complete with control and relay panels, all fittings and accessories, fully in compliance with the detailed technical specification. The capacitor shall be designed to operate for an ambient temperature of 500C.

TENDER NO. E19/2012



Page 18 of 536

Note: Civil works and services shall include provision for total number of three (3) capacitor bank rooms as the additional one (1) capacitor bank set will be installed in future.

A1E05 Cabling System

05.01 Cables

05.01.1 33 kV Power Cables

All works related to design, supply, installation, testing and commissioning of 33kV power cables required for the below circuits. Cable numbers and sizes are indicative for tender purpose only. As per cable sizing calculation, if required, the Contractor shall increase the cross section or number of cables within the quoted price in order to satisfy the circuit requirements.

05.01.1.1 33kV GIS to HVDT (1X1CX500 sq.mm/phase) cables required for the three (3) Nos. of HVDT circuits

05.01.2 11kV Power Cables

All works related to design, supply, installation, testing and commissioning of 11kV power cables required for the following circuits:

05.01.2.1 11kV Switchgear to HVDT (3X1CX630 sq.mm/phase) cables required for the three (3) Nos. of HVDT circuits.

05.01.2.2 HVDT to NER- (1X1CX630 sq.mm) cables required for the three (3) Nos. of 11kV NER circuits.

05.01.2.3 11kV Switchgear to capacitor bank - (1X1CX630 sq.mm/phase) cables required for the two (2) Nos. of 6 MVAr, 11kV capacitor bank circuits.

05.01.2.4 11kV Switchgear to auxiliary transformers - (1X1CX630 sq.mm/phase) cables required for the two (2) Nos. of 11/0.433 auxiliary transformer circuits.

Note: The numbers of cables indicated above are only tentative. Tenderer shall substantiate the number of cables and size with calculation. If more numbers of cables or higher size of cables are required then tenderer shall provide the same as per requirement without any contractual implication to FEWA.

05.01.3 LV Power Cables

All work related to design, supply, installation, testing and commissioning of all LV Power Cable required for the entire substation.

TENDER NO. E19/2012



Page 19 of 536

05.01.4 Control, Communication and Instrumentation Cables

All work related to design, supply, installation, testing and commissioning of all control, communication and instrumentation cables for the entire substation.

05.02 Cable Terminations

05.02.1 33kV Power Cable Terminations

Design, supply and installation of the 33kV cable terminations suitable for 1Cx500sqmm, XLPE cables for the following circuits:

05.02.1.1 33kV GIS to HVDT circuit, plug-in - type termination for three (3) circuits at 33kV GIS side

05.02.1.2 33kV GIS to HVDT circuit, termination for three (3) circuits at transformer side


Design, supply and installation of the power cable terminations including all lugs, glands and end termination kit etc. required for termination of all 11kV power cables for the following circuits:

05.02.2.1 11kV switchgear to HVDT circuit three (3) circuits at both sides

05.02.2.2 HVDT to NER circuit three (3) circuits at both sides

05.02.2.3 11kV switchgear to Capacitor Bank circuit two (2) circuits at both sides

05.02.2.4 11kV switchgear to Auxiliary Transformer circuit two (2) circuits at both sides

05.02.3 LV Power Cable Terminations

Terminations shall include supply and installation of all lugs, glands, ferrules and terminations etc for the entire substation.

05.02.4 Control, Communication and Instrumentation Cable Terminations


05.03 Cable Trays, Conduits and Accessories

05.03.1 All work related to design, supply, installation, testing and commissioning of cable trays, conduits and accessories as required for the entire substation.

TENDER NO. E19/2012



Page 20 of 536

A1E06 LVAC System

06.01 LVAC Boards

Auxiliary power supply is derived from 2 Nos 100% redundant 11/0.433kV LT auxiliary transformers and LVAC distribution boards. All works related to design, supply, installation, testing and commissioning of the following boards with all accessories and materials as required as per schedule of requirement, detailed technical specification etc.

06.01.1 One (1) set of LVAC Distribution Board.

06.01.2 One (1) set of Essential Distribution Board.

A1E07 110V DC System

07.01 110V Batteries

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V batteries including all accessories as per schedule of requirement, detailed technical specification etc. Battery size shall be subject to approval of sizing calculation. Sizing calculation shall take into account future feeders. Also aging factor of 30% and design margin of 10% shall be considered The temperature derating factor shall be considered as per battery manufacturers recommendation.

07.02 110 V Battery Charger and DCDB

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V Battery Charger and two (2) sets of 110V DC distribution board including all accessories as per schedule of requirement, detailed technical specification etc.

07.03 Inverter Panel

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V DC/220V AC, 4 KVA inverters including all accessories as per schedule requirement, detailed technical specification etc.

A1E08 Lighting & Small Power System

All work related to design, supply, installation ,testing and commissioning of the lighting and small power system including lighting panels, fixtures, junction boxes, conduit and accessories, wires, power outlets, lighting poles etc. for the entire substation as per schedule of requirement, detailed technical specification etc.

TENDER NO. E19/2012



Page 21 of 536

A1E09 Earthing & Lightning Protection

All work related to design, supply, installation ,testing and commissioning of grounding system of entire substation equipment including station ground network, equipment earthing and lightning protection etc. as required for the complete substation as per schedule of requirement, detailed technical specification etc.

A1E10 Diversion of existing 33kV Cables including FO cables to New Sheikh Khalifa Hospital substation

At present three (3) circuits of 33kV Cables are already laid from existing 132/33/11kV Riffah II Main substation upto the 33/11kV transformers installed at Sheikh Khalifa Hospital. Contractor shall disconnect, dismantle these cables and divert,reroute, terminate to the 33kV GIS which will be installed under this contract at Sheikh Khalifa Hospital Substation including rerouting and diversion of existing two(2) nos of Fiber optic cables (32 fibres each). Contractor shall completely install, test and commission these 33kV Cables and FO cables. Any additional 33kV cables, FO cables, joints etc as required shall be included in the scope of work within the quoted price. The scope shall also include supply, erection, testing and commissioning of 19 inch rail mounted ODF with all accessories for above FO cables at New Sheikh Khalifa Hospital substation.

A1 SC SCOPE OF WORK SCADA & COMMUNICATION

This section in general covers the works required in SCADA equipments and major items are clearly listed. However, the SCADA works shall be completed in all respect to meet the substation requirements and hence any items not specifically listed but are essential to satisfactorily complete the works shall be included in the scope.

TENDER NO. E19/2012



Page 22 of 536

ITEM NO.

DESCRIPTION

CATEGORY

A1 SC1

SCADA & COMMUNICATION SCADA

SC 1.1 Supply, Installation, testing and commissioning of IEC 60870-5-101/104 Remote Terminal Unit equipped with Modems. The works shall also include all necessary system cabling, extension of supply from DC source and LVAC.

All design and engineering of RTU to be included in scope and approved before manufacturing. Scope shall also include complete substation requirements as per tender documents, End to end testing of all the signals with UAQ SCC as well as all other works required to complete the works as per FEWA specifications.

SCADA

SC 1.2 Supply, Installation, testing and commissioning of CCC panels separate for 33kV and 11kV circuits as per the guidelines given in specification and as per SCADA circuit data.

All design and engineering of CCC to be included in scope as per specification and approved before manufacturing.

SCADA

SC 1.3 All the works related to Supply, installation, glanding, termination, cabling and testing of Control cables, System cables. Testing between RTU - CCC and between Plant - CCC as per SCADA circuit data as well as for future and spare circuits as per the specification.

All works related to cabling, termination, SCADA labeling etc. from Battery Chargers, field equipments and LVAC panels to respective equipments as per the specification requirements to be included in the scope. All control cables and system cables specification for SCADA and communication shall be submitted to FEWA/Engineer for review and approval before manufacturing.

SCADA

TENDER NO. E19/2012



Page 23 of 536

SC 1.4 Temperature and Humidity Acquisition devices Installation, testing and commissioning of temperature and humidity acquisition devices and interfacing them to SCADA so as to send the room temperature / humidity information for all major rooms (Control room, SCADA/Telecom room, etc.) to SCADA. The devices shall have built in voltage free contacts / 4 to 20 mA transducers and equipped with front panel LCD display. The same shall be subject to approval during engineering stage.

SCADA

SC 1.5 Power Supply for Communication / SCADA Equipment:

Design, supply, installation, testing and commissioning of 48V DC system comprising of One (01) set of 48V battery bank, two (02) sets of Battery chargers in separate enclosures and one (01) DCDB along with all the accessories in a separate enclosure as per the requirements specified in specifications.

SCADA

A1C SCOPE OF WORK CIVIL ENGINEERING & BUILDING WORKS General

The Contractor will be responsible for the design and construction of all Civil Engineering and building works. The Tenderer must cover all requirements of the tender documents and any other items not specifically mentioned but which are required for the satisfactory design, construction, operation and maintenance of all equipment to the satisfaction of Authority/Engineer. The scope of works listed below are only indicative and no additional costs will be considered for the items which have been overlooked but are essential for the proper completion of the project in every respect. This scope of work shall be read in conjunction with General & Particular Technical Specifications and other Tender documents.

A1C01 Preliminaries

01.01 Site clearing, Site grading, Site mobilization, Site demobilization, etc.

Scope of work under this section includes Site clearing/Site grading, Site mobilization including providing temporary Electricity and Water, temporary fencing around the plot, Project sign board, temporary access road and demobilization as per the specification and requirements stated elsewhere in the specification.

TENDER NO. E19/2012



Page 24 of 536

01.02 Topographical surveying

Contractor shall carry out the Topographical survey for the Substation plot and the report/drawings to be submitted to Authority / Engineer.

01.03 Soil Investigation

Preliminary Soil Investigation was carried out and the report is provided in these Tender documents. However, this report is provided for guidance and information only and this will not relieve the Contractor from his contractual obligations.

During the execution the Contractor shall employ an agency with Authority/Engineers approval to carry out the Soil investigation for the substation as per specification and standards to reconfirm the requirements.

Necessary Soil improvement to attain required Safe Bearing Capacity (SBC) shall be carried out as per the Soil Investigation agencys recommendations and as per design requirements with Authority/Engineers approval and all required tests including Plate load tests, zone load tests, SPTs, etc. shall be carried out at required locations to ensure that the required SBC is achieved. Piling, if required, shall also to be considered. Bidder to include his price for Soil improvement including Piling if required, in item A1C03.02 Sub structure concrete works.

01.04 Authority and Engineers Site Offices and facilities

Provision of Type-B Authority and Engineers Offices and facilities at site as specified under the Special Conditions of Contract including all temporary power supply and water supply for Site offices.

A1C02 Design and Drawings

Conceptual layout drawings are provided in this tender document by Authority / Engineer. Preparation of final design and drawings required for the proper execution and completion of the entire project is covered under this scope and the Contractor is solely responsible for the design. All requirements stated elsewhere in the specification shall be adhered. All design, working drawings and shop drawings are subjected to Authority / Engineers approval.

Minimum drawings required to be submitted are listed in the Civil General Schedules Volume V, Section 7.

A1C03 Substation Building

Design and Construction of complete Basement + Ground floor substation building for housing equipment required for the substation, toilet, corridor, store room, stairs, auxiliary buildings etc. as per the drawings including drainage, plumbing and other services.

TENDER NO. E19/2012



Page 25 of 536

03.01 Earth Work

Earth work includes excavation for foundations, basement, trenches, duct banks, etc. This includes necessary planking/ shoring and strutting, backfilling, dewatering, etc. The excess earth material after backfilling shall be carted away to a designated location approved by the concerned authority.

03.02 Sub-structure Concrete Work

All RCC works for substructures such as foundations including piling and pile caps, basement, beams, columns, staircases, trenches, tunnels, duct banks, etc., up to ground floor level including ground floor slabs. Waterproofing and protection for all underground structures as per specification and standards is also covered under this scope.

03.03 Super-structure Concrete Works

All RCC works for Superstructures above ground floor level and above ground floor slab such as walls, columns, beams, slabs, staircases, arches, corbels, loading/ off loading platform, sill beams, lintel beams, tie beams, parapet walls etc., as per specification and standards.

03.04 External and Internal block walls including plastering

All works related to the External & Internal block walls including RCC stiffeners, lintels and plastering as per specification and standards.

All exposed concrete surfaces shall also be plastered before painting.

03.05 Doors and Windows

Supply and installation of doors and windows for the entire substation including Ironmongeries as per specification and standards. Sliding gates with solenoid locks for capacitor rooms are also included in this scope.

03.06 Floor finishes including Skirting and dado, etc.

Floor finishes as specified in internal finishes in the Particular Technical Specifications shall be considered.

03.07 False Ceiling

Fire rated decorative type perforated Aluminum false ceiling with metal suspension system shall be provided for all equipment rooms, corridors, stores and Toilets as per specification and standards.

TENDER NO. E19/2012



Page 26 of 536

03.08 Roof Treatment and Finishes

All works required for roof waterproofing and insulation including finishes as per specification and standards.

03.09 Toilet & Battery Room Fittings

Supply and installation of Toilet and Battery room fittings as per specification and standards.

03.10 Internal Painting

Internal painting for the buildings shall be carried out as per specification and standards.

03.11 External finishes

All external surfaces of the buildings shall be finished as per specification/ finishing schedule and standards.

All works related to GRC coping on the parapet wall, GRC screen panels and powder coated aluminium channels on the external walls for architectural elevation purpose as per specification and requirements is also included in this scope.

03.12 Metal Works

All works for design, supply and installation of metallic structures/ elements required for the entire project shall be as per specification and standards.

03.13 Cable Duct Banks & Trenches, Manhole chambers and valve pits

a) All works required for the construction of Cable duct banks including future/ spare ducts and sleeves as per specification and standards.

b) RCC Cable trenches with removable heavy duty RCC covers shall be constructed inside transformer rooms and all other cable trenches and pull pits required for the entire substation.

c) RCC trenches for fire main ring with RCC covers.

d) Construction of all manhole chambers required for plumbing, water supply, telephone cabling etc and valve pits for service water and firefighting systems are included in this scope of work.

TENDER NO. E19/2012



Page 27 of 536

A1C04 Fire pump room

Construction of R.C.C framed building similar to substation main building, for housing fire water pumps, pumps for service water system and related equipment. All necessary equipment/ pump foundations, etc. shall be included.

A1C05 Fire water tank

Construction of RCC underground fire water tank as per specifications and standards shall be included.

A1C06 External Foundations and all other civil works

This shall include all works related to the construction of external foundations such as roof water tank foundations, Street light foundations, Fire hose cabinet foundations, foundations for the external equipment if any, thrust block, pipe supports etc., including earthwork, embedment, protection and encasements, etc. All attendant Civil engineering works, particularly excavation, sleeves, ducts, concrete encasement and backfill for electro-mechanical activities shall also be covered under this item.

All foundations and exposed concrete surfaces shall be coated with polyurethane paint. This shall also include all other Civil Engineering and Building works not specifically mentioned in the scope of works but are reasonably required for the successful completion of the substation.

A1C07 Drainage works

07.01 Storm water drainage works

All works required for Storm water drainage as per specification and standards.

07.02 Sanitary Waste Water Drainage & HVAC drainage works

All works related to sanitary waste water drainage and HVAC drainage works as per specification and standards.

07.03 Oil water Drainage works

All works related to oil water drainage including construction of underground Oil/ water separator tank as per specification and standards.

A1C08 Boundary wall, Gates and Embankment

All works for the construction of boundary wall including Cast Aluminum gates and PVC coated barbed wire fencing above the boundary wall as per specification and standards.

TENDER NO. E19/2012



Page 28 of 536

The height of the boundary wall shall be 2.5 m (minimum) from finished ground level with cast in situ RCC frame and reinforced pre-cast concrete wall panels as per specification and standards. Cast in-situ RCC retaining wall shall be constructed for the entire plot limit from strip footing up to plinth level.

3 m wide embankment shall be formed all around the boundary wall (externally) as per specification and standards.

A1C09 Internal Roads, Pavements and Site Surfacing

09.01 All works for internal roads (type II interlocking tiled road) within the boundary limit around substation building as per specification and standards.

09.02 All works for Pavements/ walkway as per specification and standards.

09.03 Gravel spreading / filling for open areas not covered by roads/ pavements.

A1C10 External Access Road

All works for external access road (type-I asphalt road) from substation gates to the nearest existing Municipality asphalt road as per specification and standards.

A1M SCOPE OF WORK MECHANICAL

General

The scope of work as mentioned below is in general for design, manufacture, testing in works, supply, delivery, handling and storing at site, erection, testing, painting, completion, commissioning, operation and maintenance during the warranty period and handing over of the Mechanical Systems. However, if any items specifically not mentioned but the same is essential to complete the project in all respect and obtain all the necessary permits, approvals from local authorities having jurisdiction including Civil Defense the same shall be included in the scope of work without any contractual implications to FEWA.

A1M 1 Fire Protection and Detection System

The tendered shall design the complete fire protection system as per the recommendations of NFPA and obtain all necessary permits, approvals, and certificates from authorities having jurisdiction, including Civil Defense approval on conceptual fire protection system design.

Fire Water Tank capacity shall be for minimum one hour fire pump run at water demand as per approved hydraulic calculations, or as required by Civil Defense Authority, whichever is greater, but should not be less than 284 Cu.M.

TENDER NO. E19/2012



Page 29 of 536

A1M 1A Fire Hydrant System

1A.01 Motor Driven Fire Water Pump

All work required for one (1) Motor Driven NFPA Fire Water Pump with all accessories comprising Vertical Shaft Turbine Type Pump, electric drive motor, discharge isolation valves, discharge non-return valve, piping, fittings, supports, pressure gauges/transmitters with root valves, etc. Motor Driven Fire Pump nominal capacity should be as per hydraulic calculations, but not less than 1250 GPM.

1A.02 Diesel Engine Driven Fire Water Pump

All work required for one (1) diesel engine driven NFPA Fire water pump with all accessories comprising Vertical Shaft Turbine Type Pump, diesel engine, fuel oil storage tank, batteries, batteries chargers, reduction gear unit, discharge isolation valves, discharge non return valve, pressure gauges/ transmitters with root valves, piping, fittings, supports, etc. Diesel Engine Fire Pump nominal capacity should be as per hydraulic calculations, but not less than 1250 GPM.

1A.03 Jockey Pump

All work required for one (1) NFPA jockey pump with all accessories comprising pump, electric drive motor, discharge isolation valves, discharge non return valve, piping, fittings, supports, pressure gauges/ transmitters with root valves, etc.

1A.04 Hydrants

All work for requisite number of industrial fire hydrants along with valve, coupling, hydrant, and hydrant cap.

1A.05 Yard Mains

All work for fire main pipe line, underground inside trench, seamless carbon steel hot dip galvanized pipe, painted in red, minimum PN 16 bar.

1A.06 Hose Boxes

All work for Hose Boxes for each hydrant comprising Hose Box, hose coupling, spanner, wrench, hose, and discharge nozzle.

1A.07 Piping

All work the system piping, comprising pipes, supports, fittings, valves, etc, including underground firewater storage tank accessories with all necessary nozzles, valves and ladders.

TENDER NO. E19/2012



Page 30 of 536

1A.08 Electrical works

All electrical work required for distribution/control panels, control switches, instruments, annunciation system, cabling, wiring, conducting, AC/DC power supply distribution, connections, grounding etc. for the system.

1A.09 Automatic Sprinkler System

All work necessary for installation of Automatic Sprinkler System, including sprinkler alarm valve complete with accessories, control switches and instruments, test and drain valves, piping, sprinkler heads, etc. for the Fire Pump Room, Corridor, Store/Workshop and Toilet rooms.

1A.10 Wet Riser System

All work necessary for installation of Wet Riser System, including 2 inch hose connections complete with drain, relief and isolation valves, hoses with accessories and cabinets and all necessary piping, for the Cable Basement, Ground Floor and Roof Floor.

A1M 1B Fixed Water Spray System for Transformers and Basements

1B.01 Deluge Valves

All work for deluge valves comprising strainer of deluge valve, deluge valve with accessories, strainer for water gong, check/isolation/drain valves, water gong, manual operation station, etc.

1B.02 Piping, valves, and fittings

All work necessary for piping, valves, fittings, flanges and nozzles for the system.

1B.03 Releasing Devices

All work for releasing devices comprising quartzoid bulb type, for both Cable Basements and Transformers.

1B.04 Electrical work

All electrical work for control panels, control switches, instruments, annunciation system, cabling, wiring, conducting, AC/DC power supply distribution, connections, grounding etc. for the system.

TENDER NO. E19/2012



Page 31 of 536

A1M 1C Clean Agent System

All work necessary for Automatic Clean Agent Extinguishing System, including one Clean Agent Extinguishing System for Capacitor Bank Rooms and local Clean Agent Extinguishing Systems for Electrical Equipment Rooms.

A1M 1C1 Clean Agent System for Capacitor Bank Rooms

All work necessary for Automatic Clean Agent Extinguishing System, including clean agent storage main and reserve cylinder bank, manifold piping, actuating and discharge pipe work and nozzles, control switches and instruments, cabling, wiring, conducting, AC/DC power supply distribution, addressable extinguishing control panel complete with reserve battery supply, detectors, annunciation system, required interlocks etc. for the Capacitor Bank Rooms.

1C1.01 Clean Agent Storage

All work necessary for supply, installation and commissioning of portable steel cylinders constructed of high strength steel alloy, with clean agent stored under pressure of 25/42 bars, of reputed make and design. All work necessary for supply, installation and commissioning of storage cylinders manifolds with common discharge headers, check valves, cylinder valves, discharge flexible tubing, pressure gauge, and other relevant accessories.

1C1.02 Clean Agent Piping and Appurtenances

All work necessary for supply, installation and commissioning of pneumatic pilot operated selector valves, brass chrome discharge nozzles, properly sized pipe work with rigid supports.

1C1.03 Actuation

All work necessary for supply, installation and commissioning of manual release stations mounted adjacent to the exits from the protected area, manual release located at the cylinder storage area and DC solenoids.

1C1.04 Detection

All work necessary for supply, installation and commissioning of addressable photoelectric type smoke detectors.

1C1.05 Instrumentation and Control

All work necessary for supply, installation and commissioning of one common addressable Extinguishing Control Panel with power supply and battery set, audible and visual notification appliances, supervisory inputs, supervised outputs and dry voltage outputs for interlocks.

TENDER NO. E19/2012



Page 32 of 536

A1M 1C2 Clean Agent System for Electrical Equipment Rooms

All work necessary for Automatic Clean Agent Extinguishing System, including clean agent storage cylinders, actuating and discharge pipe work and nozzles, control switches and instruments, cabling, wiring, conducting, AC/DC power supply distribution, extinguishing control panel expansion modules, detectors, annunciation system, required interlocks etc. for the Electrical Equipment Rooms, including LVAC, DC, Control and Relay Room, SCADA/Telecom Room, 11kV Switchgear Room, Battery Room, NER Room and 33kV GIS room.

1C2.01 Clean Agent Storage

All work necessary for supply, installation and commissioning of portable steel cylinders constructed of high strength steel alloy, with clean agent stored under pressure of 25/42 bars, of reputed make and design. All work necessary for supply, installation and commissioning of storage cylinders, manifolds with common discharge headers, check valves, cylinder valves, discharge flexible tubing, pressure gauge, and other relevant accessories.

1C2.02 Clean Agent Piping and Appurtenances

All work necessary for supply, installation and commissioning of storage cylinders pipe work, pneumatic pilot operated valves, brass chrome discharge nozzles, properly sized pipe work with rigid supports.

1C2.03 Actuation

All work necessary for supply, installation and commissioning of manual release stations mounted adjacent to the exits from the protected area, manual release located at the cylinder storage area and DC solenoids.

1C2.04 Detection

All work necessary for supply, installation and commissioning of addressable photoelectric type smoke detectors.

1C2.05 Instrumentation and Control

All work necessary for supply, installation and commissioning of addressable Extinguishing Control Panel expansion modules, audible and visual notification appliances, supervisory inputs, supervised outputs and dry voltage outputs for interlocks.

A1M 1D Automatic Fire Detection and Alarm System

All work necessary for Automatic Fire Detection & Alarm System with all accessories comprising Heat detector, photoelectric type smoke detectors, etc.

TENDER NO. E19/2012



Page 33 of 536

1D.01 Electrical work

All electrical work required for control panels, control switches, instruments, annunciation system, cabling, wiring, conducting, AC/DC power supply distribution, connections, grounding etc. for the system.

1D.02 Photoelectric Detectors and Heat detectors:

All work necessary for supply and installation of Photoelectric Smoke detectors and Heat detectors, as per NFPA recommendations.

1D.03 Linear Heat Detectors

All work necessary for basement cables, circuit wise, Linear Heat Detectors as per NFPA recommendations.

A1M 1E Portable Fire Extinguishers

1E.01 Standard portable fire extinguishers

All work necessary for supply and installation of Standard Portable fire Extinguishers CO2 (5 Kg) and DCP (4.5 Kg).

1E.02 Mobile fire extinguishers

All work necessary for supply and installation of Standard Mobile, trolley type DCP fire Extinguishers (25kg), CO2 extinguishers (12kg) and AFFF extinguisher (125 ltr).

A1M 1F Fire stopping

1F.01 Fire stopping for cable entries, wall and floor openings

All work necessary for supply and application of non-intumescent (ablative type) two hours rated fire sealant on cables, cable trays and other openings. All work necessary for supply and installation of sealing boards with fire sealant on wall and floor openings. Fire sealant characteristics shall be as per ASTM D2863, IEC 332 and FM 3971.

A1M2 HVAC System

Design, supply, installation, testing and commissioning of complete Air Conditioning and Ventilation plant fully functioning for the entire substation including but not limited to the following:

TENDER NO. E19/2012



Page 34 of 536

M2.01 Roof mounted Package Air cooled Air conditioning units shall comprises of Hermetic / Semi-hermetic / Scroll compressors with suction and delivery valves, Condenser and Evaporator coil with copper fins, Evaporator fan with drive, Drain pan, Filter chambers etc.,

M2.02 Split type air conditioning units consists of indoor & outdoor units

M2.03 Supply and Extraction fans

M2.04 Smoke extraction System

M2.05 GI ducts with thermal and acoustic insulation, aluminum cladding, supply and return air diffusers, sand trap louvers with filters, expansion Joints and supports.

M2.06 Electrical works including distribution and HVAC Power cum control panels with DDC controller.

M2.07 Motorized fire dampers for ducts wherever crossing Walls/Floors/Slabs.

M2.08 Complete HVAC system testing, commissioning and training.

A1M3 : Electric Monorail Hoists

M3.01 Monorail Hoists

All work required for three (3) tons Monorail Hoists along with Drive Motors, runway beam and all other accessories, etc.,

A1M4: Service Water Supply System

All works required for complete fully functioning Service water system for the entire substation including roof storage water tank, pumps, piping, valves, shelter, float switches, cables, instruments, distribution and control panel, etc.

M4.01 Transfer pumps, piping works and control panel

The transfer pump with one duty and one standby along with the control panel, pump cut in / cut off, complete pipes and fittings etc., shall be provided to transfer the water from the underground water tank to the portable water storage tank located at roof level. The inlet to the underground water tank from the water distribution main line has to be provided with necessary water meter, gate valves, isolation vales, etc. Necessary water flow & leakage test shall be carried out prior to the handing over of substation. This shall include all works related to pumps, pipe routings with protection, pipe supports etc.,

TENDER NO. E19/2012



Page 35 of 536

M4.02 Roof water storage tank, Booster pumps and piping works:

Overhead tank shall be of insulated G.R.P panel type of 2.5Cu.M (2,500 Liters.) capacity and shall be located at the highest roof level and shall be mounted on R.C.C pedestals. The Booster pump with one duty and one standby along with the control panel, pump cut in / cut off, pipes and fittings and complete distribution of portable water pipes to various rooms such as Battery room, toilet etc., shall be provided. This shall include all works related to pumps, pipe routings with protection, pipe supports, etc. Shade provision shall be made for the pump set by insulated aluminum sandwich panels supported by structural steel members.

TENDER NO. E19/2012



Page 36 of 536

A2 NEW 33/11kV RIFFAH-3 (RIF3) SUBSTATION

A2E SCOPE OF WORK ELECTRICAL

A2E01 33kV System

01.01 33kV GIS

All work related to design, supply, installation, testing & commissioning of one (1) set of 33kV gas insulated switchgear with single busbar system, current rated 2500A, short circuit current 40kA, 3 Sec. (as per IEC rating of 400C) comprising the specified twelve (12) bays with all necessary circuit breakers, disconnectors, earthing switches, CTs, VTs, cable termination sockets and plugs, plug-in termination, dummy plugs, protection, control and metering equipment as per schedule of requirement, single line diagram, detailed technical schedule and specification, C & P diagram etc.

The civil and services works must cater for future envisaged extension of six (6) outgoing cable feeders (3 feeeders on L.H.S and 3 feeders on R.H.S of 33kV GIS). Also the substation Control room shall be such that it is possible to add the relevant control and protection equipment and any other auxiliary equipment required for future bays.

All operating tools, special tools, and tackles, one set of plugs and connecting leads for HVAC test of GIS/HV test of cables, one set of plugs and connecting lead for CT primary injection, one set of special tools to dismantle plug in type termination from GIS, 3 dummy plugs for line VTs etc. shall be supplied within the overall quoted price of GIS as common items. SF6 gas required for topping up at site shall also be supplied within the quoted price. If line VTs are separately connected then connecting cable, terminations etc. shall also to be supplied by the GIS manufacturer within the quoted price.

01.01.1 Two (2) Bus Sections and Bus risers with busbar earth switches and 3 phase busbar voltage transformers for each bus as per SLD.

01.01.2 Three (3) 20/25 MVA, 33/11kV, HVDT feeders

01.01.3 Seven (7) Cable feeders.

01.02 33kV combined control/relay panels

All work related to the design, supply, installation, testing & commissioning of one (1) complete set of 33kV combined control/ relay panels with all accessories as per schedule of requirement, detailed technical specification, tender drawings etc. for the following circuits.

TENDER NO. E19/2012



Page 37 of 536

01.02.1 Two (2) Bus Sections.

01.02.2 Three (3) 33/11kV, 20/25 MVA, HVDT feeders

01.02.3 Five (5) cable feeders with fibre optic current differential protection scheme

01.02.4 Two (2) cable feeders with pilot wire current differential protection scheme

01.02.5 Two (2) sets of matching F.O. current differential protection relays and test terminal blocks etc (loose supply) for remote ends.

01.02.6 Two (2) nos of Floor standing Pilot wire isolation transformer cubicle suitable for 15 kV scheme (comprising of 15 kV isolation transformers, HV TBs etc).

Note: 15kV Pilot wire cable shall be laid and terminated from the above pilot wire isolation transformer cubicle upto pilot wire termination cubicle which will be installed by the cable contractor.

01.02.7 One (1) common control panel

01.03 33kV Busbar protection panels.

01.03.1 All work related to design, supply, installation, testing and commissioning of one (1) set of 33kV busbar protection panels segregated between disc-zones and check zones. (Minimum 3 panels).

01.04 33kV plug in type terminations.

01.04.1 Supply of 21 Nos. of 33kV plug-in type cable terminations, suitable for 33kV, 1Cx500 sq.mm Cu, XLPE cables for outgoing cable feeders.

01.04.2 Supply of dummy plugs (for all outgoing feeders).

01.05 Gas Handling Plant

01.05.1 One (1) set of SF6 gas filling and evacuation plant for 33kV GIS with SF6 gas for site top up. The equipment shall be suitable for the type of switchgear offered. All accessories shall be supplied.

A2E02 11kV System

02.01 11kV Air Insulated Switchgear

All work related to design, supply, installation, testing and commissioning one (1) set of 11kV air insulated switchgear rated at 2500A, 31.5kA, 3 Sec. (site rating) comprising the following bays with all necessary circuit breakers, earthing switches, CTs, VTs, cable terminations, protection, control and metering

TENDER NO. E19/2012



Page 38 of 536

equipment etc as per schedule of requirement, single line diagram and detailed technical schedule and specification, C & P diagram etc.

All operating tools, special tools, and tackles (2 sets), one set of test leads/test probes for HVAC test of 11kV switchgear/cables, one set of test leads/test probes for CT primary injection etc. shall be supplied within the quoted price.

02.01.1 Two (2) Bus sections and bus risers with 3 phase busbar voltage transformers and busbar earth switches as per single line diagram.

02.01.2 Three (3) incoming 20/25 MVA, 33/11kV HVDT bays with energy metering

02.01.3 Two (2) 11/0.433kV auxiliary transformer bays with energy metering

02.01.4 Twelve (12 ) 630A outgoing cable feeders with energy metering

02.01.5 Twelve (12 ) 630A outgoing cable feeders

02.01.6 Three (3) Capacitor bank feeders

A2E03 Transformers and Neutral Earthing Resistor

03.01 HVDT and NER

03.01.1 20/25MVA 33/11kV Distribution Transformer

All work related to design, supply, installation, testing and commissioning of three (3) sets of 20/25 MVA Dyn11 33/11kV, ONAN/ONAF distribution transformer with accessories, OLTC, remote control panel (RTCC) for OLTC, neutral CTs etc. (Percentage impedance at rated tap and maximum rated MVA = 12.5/15.62%) as per schedule of requirement, detailed technical specification etc.

03.01.2 Neutral Earthing Resistor (NER)

All work related to design, supply, installation, testing and commissioning of three (3) NERs of 6.35 ohms, 1000A, 10 seconds for earthing 11kV neutral of above 20/25 MVA HVDTs as per schedule of requirement, detailed technical specification etc including isolators.

03.02 Auxiliary Transformer

03.02.1 All work related to design, supply, installation, testing and commissioning of two (2) sets of 11/0.433kV, auxiliary transformer with all accessories for power supply to auxiliary system of the substation as per schedule of requirement, detailed technical specification etc. Auxiliary transformer sizing calculation that includes motor starting conditions shall be submitted and as per calculation transformer rating is to be selected.

TENDER NO. E19/2012



Page 39 of 536

A2E04 Capacitor Banks

04.01 3 Phase, 11kV, 6 MVAr Capacitor Bank

04.01.1 All work related to design, supply, installation, testing and commissioning of two (2) sets of 3 Phase, 11kV, 6 MVAr capacitor banks (3 stages of 2 MVAR each) with automatic control complete with control & relay panels, all fittings and accessories, fully in compliance with the detailed technical specification. The capacitor shall be designed to operate for an ambient temperature of 500C.

Note: Civil works and services shall include provision for total number of three (3) capacitor bank rooms as the additional one (1) capacitor bank set will be installed in future.

A2E05 Cabling System

05.01 Cables

05.01.1 33 kV Power Cables

All works related to design, supply, installation, testing and commissioning of 33kV power cables required for the below circuits. Cable numbers and sizes are indicative for tender purpose only. As per cable sizing calculation, if required the Contractor shall increase the cross section or number of cables within the quoted price in order to satisfy the circuit requirements.

05.01.1.1 33kV GIS to HVDT (1X1CX500 sq.mm/phase) cables required for the three (3) Nos. of HVDT circuits

05.01.2 11kV Power Cables

All works related to design, supply, installation, testing and commissioning of 11kV power cables required for the following circuits:

05.01.2.1 11kV Switchgear to HVDT (3X1CX630 sq.mm/phase) cables required for the three (3) Nos. of HVDT circuits.

05.01.2.2 HVDT to NER- (1X1CX630 sq.mm) cables required for the three (3) Nos. of 11kV NER circuits.

05.01.2.3 11kV Switchgear to capacitor bank - (1X1CX630 sq.mm/phase) cables required for the two (2) Nos. of 6 MVAr, 11kV capacitor bank circuits.

05.01.2.4 11kV Switchgear to auxiliary transformers - (1X1CX630 sq.mm/phase) cables required for the two (2) Nos. of 11/0.433 auxiliary transformer circuits.

Note: The numbers of cables indicated above are only tentative. Tenderer shall substantiate the number of cables and size with calculation. If more numbers of

TENDER NO. E19/2012



Page 40 of 536

cables or higher size of cables are required then tenderer shall provide the same as per requirement without any contractual implication to FEWA.

05.01.3 LV Power Cables

All work related to design, supply, installation, testing and commissioning of all LV Power Cable required for the entire substation.

05.01.4 Control, Communication and Instrumentation Cables

All work related to design, supply, installation, testing and commissioning of all control and instrumentation cables for the entire substation.

05.02 Cable Terminations


Design, supply and installation of the 33kV cable terminations suitable for 1Cx500sqmm, XLPE cables for the following circuits:

05.02.1.1 33kV GIS to HVDT circuit, plug-in - type termination for three (3) circuits at 33kV GIS side

05.02.1.2 33kV GIS to HVDT circuit, termination for three (3) circuits at transformer side


Design, supply and installation of the power cable terminations including all lugs, glands and end termination kit etc. required for termination of all 11kV power cables for the following circuits:

05.02.2.1 11kV switchgear to HVDT circuit three (3) circuits at both sides

05.02.2.2 HVDT to NER circuit three (3) circuits at both sides

05.02.2.3 11kV switchgear to Capacitor Bank circuit two (2) circuits at both sides

05.02.2.4 11kV switchgear to Auxiliary Transformer circuit two (2) circuits at both sides

05.02.3 LV Power Cable Terminations


05.02.4 Control, Communication and Instrumentation Cable Terminations


TENDER NO. E19/2012



Page 41 of 536

05.03 Cable Trays, Conduits and Accessories

05.03.1 All work related to design, supply, installation, testing and commissioning of cable trays, conduits and accessories as required for the entire substation.

A2E06 LVAC System

06.01 LVAC Boards

Auxiliary power supply is derived from 2 Nos 100% redundant 11/0.433kV LT auxiliary transformers and LVAC distribution boards. All works related to design, supply, installation, testing and commissioning of the following boards with all accessories and materials as required as per schedule of requirement, detailed technical specification etc.

06.01.1 One (1) set of LVAC Distribution Board.

06.01.2 One (1) set of Essential Distribution Board.

A2E07 110 V DC System

07.01 110V Batteries

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V batteries including all accessories as per schedule of requirement, detailed technical specification etc. Battery size shall be subject to approval of sizing calculation. Sizing calculation shall take into account future feeders. Also aging factor of 30% and design margin of 10% shall be considered The temperature derating factor shall be considered as per battery manufacturers recommendation.

07.02 110 V Battery Charger and DCDB

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V Battery Charger and two (2) sets of 110V DC distribution board including all accessories as per schedule of requirement, detailed technical specification etc.

07.03 Inverter Panel

All work related to design, supply, installation, testing and commissioning of two (2) sets of 110V DC/220V AC, 4 KVA inverters including all accessories as per schedule requirement, detailed technical specification etc.

TENDER NO. E19/2012



Page 42 of 536

A2E08 Lighting & Small Power System

All work related to design, supply, installation ,testing and commissioning of the lighting and small power system including lighting panels, fixtures, junction boxes, conduit and accessories, wires, power outlets, lighting poles etc. for the entire substation as per schedule of requirement, detailed technical specification etc.

A2E09 Earthing & Lightning Protection

All work related to design, supply, installation ,testing and commissioning of grounding system of entire substation equipment including station ground network, equipment earthing and lightning protection etc. as required for the complete substation as per schedule of requirement, detailed technical specification etc.

A2E10 De-commissioning of Old Reefah substation

All the existing equipment of the Old Reefah 33/11kV Substation shall be deenergized and decommissioned after energizing the new substation.

A2 SC SCOPE OF WORK SCADA & COMMUNICATION

This section in general covers the works required in SCADA equipments and major items are clearly listed. However, the SCADA works shall be completed in all respect to meet the substation requirements and hence any items not specifically listed but are essential to satisfactorily complete the works shall be included in the scope.

ITEM NO. DESCRIPTION CATEGORY

A2 SC1 SCADA & COMMUNICATION SCADA SC 1.1 Supply, Installation, testing and commissioning of IEC

60870-5-101/104 Remote Terminal Unit equipped with Modems. The works shall also include all necessary system cabling, extension of supply from DC source and LVAC.

All design and engineering of RTU to be included in scope and approved before manufacturing. Scope shall also include complete substation requirements as per tender documents, End to end testing of all the signals with UAQ SCC as well as all other works required to complete the works as per FEWA specifications.

SCADA

TENDER NO. E19/2012



Page 43 of 536

SC 1.2 Supply, Installation, testing and commissioning of CCC panels separate for 33kV and 11kV circuits as per the guidelines given in specification and as per SCADA circuit data.

All design and engineering of CCC to be included in scope as per specification and approved before manufacturing.

SCADA

SC 1.3 All the works related to Supply, installation, glanding, termination, cabling and testing of Control cables, System cables. Testing between RTU - CCC and between Plant - CCC as per SCADA circuit data as well as for future and spare circuits as per the specification.

All works related to cabling, termination, SCADA labeling etc. from Battery Chargers, field equipments and LVAC panels to respective equipments as per the specification requirements to be included in the scope. All control cables and system cables specification for SCADA and communication shall be submitted to FEWA/Engineer for review and approval before manufacturing.

SCADA

SC 1.4 Temperature and Humidity Acquisition devices Installation, testing and commissioning of temperature and humidity acquisition devices and interfacing them to SCADA so as to send the room temperature / humidity information for all major rooms (Control room, SCADA/Telecom room, etc.) to SCADA. The devices shall have built in voltage free contacts / 4 to 20 mA transducers and equipped with front panel LCD display. The same shall be subject to approval during engineering stage.

SCADA

SC 1.5 Power Supply for Communication / SCADA Equipment:

Design, supply, installation, testing and commissioning of 48V DC system comprising of One (01) set of 48V battery bank, two (02) sets of Battery chargers in separate enclosures and one (01) DCDB along with all the accessories in a separate enclosure as per the requirements specified in specifications.

SCADA

TENDER NO. E19/2012



Page 44 of 536

A2C SCOPE OF WORK CIVIL ENGINEERING & BUILDING WORKS

General

The Contractor will be responsible for the design and construction of all Civil Engineering and building works. The Tenderer must cover all requirements of the Tender documents a

Scope of Works

Documents

Transcript of Scope of Works