Supply, Installation, Testing Commissioning of 2x20 MVA 3311 KV Sub-Station at Nauroji Nagar, New Delhi

Providing and laying in position cement concrete of specified grade excluding the cost of

centering and shuttering - All work up to plinth level :

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone

aggregate 40 mm nominal size derived from natural sources) cum 70 6326.05 4,42,823.50

Providing and laying in position specified grade of reinforced cement concrete, excluding

the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone

aggregate 20 mm nominal size de rived from natural sources) cum 162 8364.20 13,55,000.40

1.4 5.9 Centering and shuttering including strutting, propping etc. and removal of form for

1.4.1 5.9.1 Foundations, footings, bases of columns, etc. for mass concrete Sqm 98 307.95 30,179.10

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses

Steel reinforcement

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in

position and binding all complete upto plinth level.

1.5.1 5.22.6 Thermo-Mechanically Treated bars of grade Fe-500D or more. kG 9 000 89.65 8,06,850.00

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced

cement concrete (Drain Covers) work in string courses, bands, copings, bed plates, anchor

blocks, plain window sills and the like, including the cost of required centering, shuttering

but, excluding cost of reinforcement with 1:1.5:3 (1 cement: 1.5 coarse sand (zone-III)

derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from

natural sources). cum 162 9673.50 15,67,107.00

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations

1.7 2.25 etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming

and watering, lead up to 50m and lift upto 1.5m. cum 230 253.95 58,408.50

2.0 FIRE RATED WALL

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in

superstructure above plinth level up to floor V level in all shapes and sizes in :

2.1.1 6.4.2 Cement mortar 1:6 (1 cement : 6 coarse sand) cum 12 8288.35 99,460.20

2.2 13.1 12 mm cement plaster:

2.3 13.2 15 mm cement plaster

3.0 FENCING WALL

R.C.C. Standards post/ struts/ rails/ pales of mix 1:1.5:3 (1 cement : 1.5 coarses and : 3

graded stone aggregate 12.5 mm nominal size) with wooden plugs or 6mm bar nibs

wherever required as per direction of Engineer-in charge (cost of earth works in excavation,

concrete works in foundation to be paid separately) cum 1 28603.00 28,603.00

Fencing with R.C.C. post placed at required distance, embedded in cement concrete

blocks, every 15th post, last but one end post and corner post shall be strutted on both

sides and end post one side only, provided with horizontal lines and two diagonals of

3.2 16.17.1 barbed wire weighing 9.38 kg per 100 metres (minimum), between the two posts fitted and

fixed with G.I. staples on wooden plugs or G.I. binding wire tied to 6 mm bar nibs fixed while

casting the post (cost of R.C.C. posts, struts, earth work and concrete to be paid for

separately) :- Payment to be made per metre cost of total length of barbed wire used.

3.2.1 With G.I. barbed wire meter 60 12.45 747.00

4.0 Hot Dipped Galvanized Iron Cable Tray

4.1 Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray

(galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in

convenient sections, joined with connectors, suspended from the ceiling with G.I.

suspenders including G.I. bolts & nuts, etc. as required.

4.1.1 4.6.4 300 mm width X 50 mm depth X 1.6 mm thickness Meter 100 963.00 96,300.00

4.1.2 4.6.6 450 mm width X 50 mm depth X 2.0 mm thickness Meter 10 1325.00 13,250.00

4.1.3 4.6.14 600 mm width X 75 mm depth X 2.0 mm thickness Meter 10 1955.00 19,550.00

Digitally signed by GOTETI

Ref (DSR(Civil)-2021

S.No. Description. Unit. Qty Rate Amount

and DSR(E&M)2022

4.2 Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray

“bends” (galvanisation not less than 50 microns) withperforation not more than 17.5%, in

convenient sections, joined with connectors, suspended from the ceiling with G.I.

suspenders including G.I. bolts & nuts, etc. as required

4.2.1 4.7.4 300 mm width X 50 mm depth X 1.6 mm thickness Each 6 1852.00 11,112.00

4.2.2 4.7.6 450 mm width X 50 mm depth X 2.0 mm thickness Each 1 2683.00 2,683.00

4.2.3 4.7.14 600 mm width X 75 mm depth X 2.0 mm thickness Each 1 4131.00 4,131.00

4.3 Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray

“Reducer” (galvanisation not less than 50 microns) with perforation not more than 17.5%, in

convenient sections, joined with connectors, suspended from the ceiling with G.I.

suspenders including G.I. bolts & nuts, etc. as required

4.3.1 4.10.4 300 mm width X 50 mm depth X 1.6 mm thickness Each 1 2823.00 2,823.00

4.3.2 4.10.6 450 mm width X 50 mm depth X 2.0 mm thickness Each 1 3721.00 3,721.00

5.0 HT CABLE LAYING

Laying of one number XLPE insulated power cable of 33 KV grade of following size in the

existing masonry open duct/ cable tray as required.

6.0 HT CABLE END TERMINATION

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete

6.1 10.7 with all accessories including lugs suitable for following size of single core, XLPE aluminium

conductor cable of 33 KV grade as required :

Supplying and making outdoor cable end termination with heat shrinkable jointing kit

6.2 10.8 complete with all accessories including lugs suitable for following size of single core, XLPE

aluminium conductor cable of 33 KV grade as required :

Earthing with copper earth plate 600 mm X 600 mm X 6 mm thick including accessories,

and providing masonry enclosure with cover plate having locking arrangement and watering

pipe of 2.7 Meter long etc. with charcoal/ coke and salt as required.

Supplying and laying 50 mm X 5 mm copper strip at 0.50 Meter below ground as strip earth

electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required.

(Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer

spaced at 50mm) Meter 200 972 1,94,400.00

Providing and fixing 50 mm X 5 mm copper strip in 80 mm dia G.I. pipe from earth electrode

7.3 5.10 including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as

required. Meter 500 1551 7,75,500.00

Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections

etc. as required. Meter 50 2113 1,05,650.00

Providing and fixing H.T. danger notice plate of 250 mm x 200 mm, made of mild steel, at

least 2 mm thick, and vitreous enameled white on both sides, and with inscription in single

red Colour on front side as required as per specifications of this tender and directions of

Engineer-in-Charge. Each 3 292 876.00

Total of the Schedule items 73,05,047.00

Non-Schedule items

33KV SIX GIS HT PANEL (INDOOR)- TWO INCOMERS, ONE BUS COUPLER AND

THREE OUTGOINGS

Design, manufacture, supply, shop inspection, Installation , Testing & commissioning of 6

panel, 33 kV HT GIS switch board in the 33KV Switchgear room with following accessories:

1250A, 33KV, 31.5 KA for 3 Sec., TP, motorised spring charged closing mechanism, motor

voltage 230V AC, shunt tripping & closing coil voltage 50V DC, electrically operated, trip

free, dust & vermin proof, GIS panel with mechanical & Electrical OFF/ ON indicators &

provided with following:

Current transformers as detailed in technical specifications and SLDs

3‐phase Directional & Non-directional relay with IDMT, Definite time and Instantaneous

characteristics, as per technical specifications

Micro-processor based, communicable type line current differential relays

Anti Pumping Relay

Master Trip Relay

Trip circuit supervision relay

Voltage transformers as detailed in technical specifications and SLDs

6 Windows Annunciator with Hooter & Accept Button:

1 window for over current trip

1 window for earth fault trip

1 window for master trip relay

1 window for emergency stop push button

2 windows spare

Digitally signed by GOTETI

Ref (DSR(Civil)-2021

S.No. Description. Unit. Qty Rate Amount

and DSR(E&M)2022

Digital Multifunction meter with MDI, communicable type (V, A, Hz PF, KVA, KVARH, KWH,

KVAR, KVAH, KW).

Voltmeter with selector switch.

Ammeter with selector switch.

A set of breaker ON/ OFF/ Trip/ DC control supply healthy/ Trip circuit healthy/ Spring

Charged & R,Y,B Phase Indication Lamps.

Emergency stop push button

6 NO/ 6 NC breaker auxiliary contacts

Control:- T-N-C (Trip, Neutral, Close) breaker control switch with indication arrangement,

pistol grip type.

Surge arrestor as per technical specifications and SLD

All control wiring with protection & test terminal block as required.

Strip heater with thermostat for moisture absorption.

Suitable for connection to 33 KV, 2R x 3C x 400 Sqmm XLPE armoured, aluminium

conductor cable for incoming and outgoing feeders.

Cable box for 33 KV, 2R x 3C x 400 Sqmm XLPE armoured, aluminium conductor cable.

HT Danger Plate

Each Incoming as described above.

1600A, 33kV, 31.5KA for 3 Sec., 3 phase, Electrolytic grade copper bus bars.

1250A, 33kV, 31.5KA for 3 Sec., TP, motorised spring charged closing mechanism, motor

voltage 230V AC, shunt tripping & closing coil voltage 50V DC electrically operated, trip

free, dust and vermin proof, GIS panel with mechanical & Electrical OFF/ ON indicators &

provided with following:

Current transformers as per SLDs

3‐phase Non-directional relay with IDMT, Definite time and Instantaneous characteristics,

as per technical specifications

Window annunciator (window as per alarm/trip annunciation requirement)

A set of breaker ON/ OFF/ Trip/ DC control supply healthy/ Trip circuit healthy/ Spring

Charged indication lamp.

Emergency stop push button

6 NO/ 6 NC breaker auxiliary contacts

Control:- T-N-C (Trip, Neutral, Close) breaker control switch with indication arrangement,

pistol grip type.

All control wiring with protection & test terminal block as required.

Strip heater with thermostat for moisture absorption.

1250A, 33kV, 31.5KA for 3 Sec., TP, motorised spring charged closing mechanism, motor

voltage 230V AC, shunt tripping & closing coil voltage 50V DC electrically operated, trip

free, dust & vermin proof, GIS panel with mechanical & Electrical OFF/ ON indicators &

provided with following:

Current transformers as detailed in technical specifications and SLDs

Ammeter with selector switch

3‐phase Non-directional relay with IDMT, Definite time and Instantaneous characteristics,

as per technical specifications

Micro-processor based Transformer differential and 11KV side REF protection relay

Anti Pumping Relay

Master Trip Relay

Trip circuit supervision relay

A set of breaker ON/ OFF/ Trip/ DC control supply healthy/ Trip circuit healthy/ Spring

Charged indication lamp.

Digitally signed by GOTETI

Ref (DSR(Civil)-2021

S.No. Description. Unit. Qty Rate Amount

and DSR(E&M)2022

Auxiliary relays for transformer faults as per specifications

window annunciator as required with Hooter & Accept Button:

Emergency stop push button

6 NO/ 6 NC breaker auxiliary contacts

Control:-T-N-C (Trip, Neutral, Close) breaker control switch with indication arrangement,

pistol grip type.

Surge arrestor as per technical specifications and SLD

All control wiring with protection & test terminal block as required.

Strip heater with thermostat for moisture absorption.

Cable box for 33 KV, 2R x 3C x 400 Sqmm XLPE armoured, aluminium conductor cable.

HT Danger Plate

Each Outgoing as described above.

Important Note :

1. Both the incomers breakers & the Bus coupler breaker shall be Electrically &

Mechanically interlocked to ensure only two breakers are 'ON' at a time.

2. Supply, laying and termination of the cables from 11kV incomers CTs and neutral CT of

transformer to the transformer feeders for 11kV side REF protection plus the cables for aux.

AC supply to the GIS panels from existing distribution board are also included in the above

SIX PANEL 33kV GIS HT PANEL AS DESCRIBED ABOVE set 1 2,12,23,070.86 2,12,23,070.86

10 POWER TRANSFORMER (OIL FILLED TYPE)

Design, manufacture, supply, shop inspection, assembly at site, installation, testing and

commissioning of 20 MVA Power Transformer as per IS:2026 with percentage impedance

10.24% (without negative tolerance),33 KV/11 KV, 3 phase, 50 Hz delta/ star connected,

Vector Group Dy 11, out door, oil filled, copper wound, KNAN cooled transformer,

temperature rise (Oil/ Winding -50/55 deg C) complete with all fittings such as ON Load

Tap Changer + 5 % to –15% tapping at the step of 1.25%, RTCC panels, bi-directional

roller, diagrams & rating plate & Winding temperature indicator, lifting lugs, termination of

cable on 33 KV/ 11 KV side with bottom entry. Losses at rated voltage and frequency will

be No Load- 13 KW and Full Load- 120 KW (Approximate), Fitting and accessories as

per the technical specifications will be provided (Supply, laying and termination of the

control cables and cables for auxiliary power supply from respective transformer feeders to

the transformer M.B. cubicle and RTCC panels is also included).

10.1 MR 20 MVA Power Transformer as mentioned above. Nos 2 3,42,77,255.52 6,85,54,511.04

11.0 HT CABLE SUPPLY

Supply of following sizes of 33 KV grade Stranded Compact Circular Aluminium Conductor,

Conductor screen with extruded semi conducting compound, XLPE Insulated, insulation

11.1 screening with extruded semi conducting compound in combination with Copper Tape, Al

flat strip and overall PVC sheathed cable conforming to IS 7098(Part II) 1985 with latest

ammendments as required.

11.1.1 MR 3C X 400 sq. mm Aluminium Conductor Meters 300 3585.27 10,75,582.22

Supply, Installation, Testing & Commissioning of NDMC Metering Panel (with Trivector

energy meter for each incoming panel) in the exisiting metering room. Panels shall be

completely metal enclosed and shall be dust moisture and vermin proof. Panel enclosures

12.0 MR shall provide a degree of protection not less than IP31 as per IS:2147 with latest

amendments thereof (Note: Supply, laying and termination of the CT/PT cables in the

exsting cable trench from incomers of GIS panels to metering panel, located in the existing

metering room as per technical specifications is also included).

Design, supplying, installation, testing and commissioning of Nitrogen Injection Fire

13.0 MR Protection System (NIFPS) for 20 MVA transformer as per latest CEA notifications and

technical specifications Nos. 2 14,31,679.55 28,63,359.09

Design, manufacture, assembly, supply, erection, testing & commissioning of 50 VDC, 30

Amp float cum boost battery charger for trickle/ boost charging alongwith DCDB for 230 V, 1-

phase, 50 Hz AC input supply with indications, protection and instrumentation complete as

per detailed technical specifications.

Design, manufacture, assembly, supply erection, testing & commissioning of 50V DC, 200

AH Battery bank having VRLA batteries, duly charged complete with connecting lead

15.00 MR mounting stand etc. as required, suitable for control supply to 33 KV board (Note: Supply,

laying and termination of cables pertaining to battery and battery charger and cables to GIS

panels for auxilary DC supply is also included in the prices).

Ladder Type Cable Trays

Digitally signed by GOTETI

Ref (DSR(Civil)-2021

S.No. Description. Unit. Qty Rate Amount

and DSR(E&M)2022

`16.0 Supply & installation of prefabricated hot dip galvanized steel ladder type cable trays,

(galvanisation not less than 50 microns) including bends, tees & reducers fabricated out of

hot rolled sheet steel with rigid welded construction with a rung as per standard and

specifications, of approved make and cable tray fittings, including all labour and materials,

as per approved drawings, specifications of this tender and directions of Engineer-in-

750 mm wide (Runners 25 x 75 x 25 x 2.5 mm and Rungs 20 x 30 x 20 x 2.5 mm 250 mm

center to center.) Meter 100 1876.18 1,87,617.92

600 mm wide (Runners 25 x 75 x 25 x 2.5 mm and Rungs 20 x 30 x 20 x 2.5 mm 250 mm

center to center.) Meter 150 1686.19 2,52,928.09

450 mm wide (Runners 25 x 75 x 25 x 2.5 mm and Rungs 20 x 30 x 20 x 2.5 mm 250 mm

center to center.) Meter 20 1527.06 30,541.29

17.0 MR SAFETY ITEMS

Supplying and fixing of standard shock restoration chart in heavy wooden frame with 3mm

thick plain glass as per specifications of this tender and directions of Engineer-in-Charge.

Supplying and fixing of 11 KV grade nominal 2.5 mm +/- 10% thick insulated Synthetic Mat

conforming to IS 15652: 2006 and meeting the requirements of IS 5216 (Part1, 2 & 3), IS

17.2 8437, IEC-479 Pub-1, along-with suitable adhesive/ chemibound, Pu resin, waterproofing

compound and sealing material as per in service recommendation as per specifications of

this tender and directions of Engineer-in-Charge.

Supplying and fixing of 33 KV grade Class C nominal 3.0 mm +/- 10% thick insulated

Synthetic Mat conforming to IS 15652: 2006 and meeting the requirements of IS 5216

17.3 (Part1, 2&3), IS 8437, IEC-479 Pub-1, along-with suitable adhesive/ chemibound, Pu resin,

waterproofing compound and sealing material as per in service recommendation as per

specifications of this tender and directions of Engineer-in-Charge.

Supply and fixing safety instruction chart in word duly framed with 5mm thick glass required

as per specifications of this tender and directions of Engineer-in-Charge. Nos. 2 459.58 919.16

Supply of Rubber hand gloves suitable for 33 KV as per specifications of this tender and

directions of Engineer-in-Charge. Pair 4 937.15 3,748.62

Providing & fixing of set of 4 Nos 9.0 Litre capacity GI bucket painted in post office red

Colour with prior coat of red - oxide paint and written with white paint 'Fire' and mounted on

MS angle iron frame with bracket of appropriate size and capacity including filling sand etc

as per specifications of this tender and directions of Engineer-in-Charge.

Supply of First Aid box as approved by St. John Ambulance Brigade/ Indian red Cross

17.7 conforming to IS 2217 -1963 as per specifications of this tender and directions of Engineer-

Liaison and coordination with NDMC, Chief Electrical Inspectorate, Govt. of NCT of Delhi

18.00 and other statutory bodies for approvals regarding the substation energization and other

necessary clearances/ NOCs are also deemed to be included in the quoted prices.

The statutory fees/ charges as applicable in this regard shall be payable to the contractor

separately upon production of challan/ receipt of deposit/ payments made to the relevant

statutory body/ authority in this regard.

Total of the Non-Schedule items 9,50,82,563.02

Total Estimated cost (Including GST) 10,23,87,610.02

Say, Total Estimated cost (Including GST) 10,23,87,610.00

Digitally signed by GOTETI