Construction of 66 kV GIS Sec-23 Faridabad on turnkey basis

72.5kV, 1250A, single 3 – Φ or three 1 –Φ, SF6 gas insulated, metal enclosed bus bars arrangement, consisting of 1250A single 3 – Φ or three 1 –Φ SF6 gas insulated switchgears, each Bus Bar comprising of :- i) Bus bar enclosures running through the length of the switchgear to interconnect each of the circuit breaker bay modules in double main bus system. ii) Three, 2-core, single phase or single 3 – Φvoltage transformers/ PTs. iii) 1250A, One 3 – Φ or three 1 –Φ, single pole, group operated isolator/disconnector and one, 3 – Φ or three 1 – , single pole, group operated earthing switch with manual and motor driven operating mechanisms. iv) 1250A, One high speed fault make 3 – Φ or three 1 –Φ, single pole, group operated earthing switches, complete with manual and motor driven operating mechanisms. v) Each GIS compartment with gas monitoring device, pressure switch etc. as required. vi) Terminal boxes/ Local Control Cubicle. vii) Interconnecting wiring/ piping. viii) Grounding, support structures and platforms.

72.5kV, 800A, single 3 – Φ or three 1 –Φ, Bus coupler bay module, consisting of 800A single 3 – Φ or three 1 –Φ SF6 gas insulated switchgears, comprising of: i 800A, One 3 – Φ or three 1 –Φ, SF6 gas insulated circuit breaker, complete with operating mechanism. ii Three,3-core,single phase current transformers(600-300-150/1-1-1A) iii Two sets of isolator/disconnector switches each of 800A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector switches each with 3 – Φ or three 1 – Φ, single pole, group operated earthing switch and complete with manual and motor driven operating mechanisms. iv Each GIS compartment with gas monitoring device, pressure switch etc. as required. v Terminal boxes/ Local Control Cubicle. vi Interconnecting wiring/ piping. vii Grounding, support structures and platforms.

72.5kV, 800A, single 3 – Φ or three 1 –Φ, Transmission line feeder circuit breaker bay modules, consisting of 800A single 3 – Φ or three 1 –Φ SF6 gas insulated switchgears, each comprising of:- i 800A, One 3 – Φ or three 1 –Φ, SF6 gas insulated circuit breaker, complete with operating mechanism for outgoing feeder. ii Three, 66kV LAs and Voltage detectors /sensors iii Three, 3-core, single phase current transformers (600-300-150/1-1-1A) iv 800A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector without earthing switch, complete with manual and motor driven operating mechanisms. v 800A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector with one, 3 –Φ or three 1 –Φ, single pole, group operated earthing switch, complete with manual and motor driven operating mechanisms. vi 800A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector with one normal and one high speed fault make 3 –Φ or three 1 – Φ, single pole, group operated earthing switches, complete with manual and motor driven operating mechanisms. vii Each GIS compartment with gas monitoring device, pressure switch etc. as required. viii Terminal boxes/ Local Control Cubicle. ix Interconnecting wiring/ piping. x Grounding, support structures and platforms.

72.5kV, 400A, single 3 – Φ or three 1 –Φ, Transformer feeder circuit breaker bay modules, consisting of 400A single 3 –Φ or three 1 –Φ SF6 gas insulated switchgears, for 66/11kV transformer, each comprising of: - i One 3 – Φ or three 1 – Φ, SF6 gas insulated circuit breaker, complete with operating mechanism for incomer bay from 66/11kV transformer. ii Three, 3-core, single phase current transformers (300-150/1-1-1A). iii 400A, One 3 –Φ or three 1 –Φ, single pole, group operated isolator/disconnector without earthing switch, complete with manual and motor driven operating mechanisms. iv 400A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector with one, 3 – Φ or three 1 –Φ, single pole, group operated earthing switch, complete with manual and motor driven operating mechanisms. v 400A, One 3 – Φ or three 1 – Φ, single pole, group operated isolator/disconnector with two earthing switches each comprising of one 3 – Φ or three 1 –Φ, single pole, group operated earthing switches complete with manual and motor driven operating mechanisms. vi Each GIS compartment with gas monitoring device, pressure switch etc. as required. vii Local Control Cubicle. viii Interconnecting wiring/piping. ix Grounding, support structures and platforms.

66kV XLPE copper Cable 1XC (400mm2) along with one no. spare cable coated with fire retardant Paint for connecting 66kV side of 66/11kV transformer with GIS.

Termination kit for both ends for 66kV XLPE copper Cable 1XC (400mm2).

25/31.5MVA, 66/11 kV Power T/F

220V 100 AH Battery

66 kV Surge Arrestor

11kV Surge Arrestor

66 kV NCT For 66/11kV T/F (300-150/1A)

11 kV NCT For 66/11T/F (1800-900/5A)

66 kV C&R Panels i) Line Protection & Circuit Breaker control panel ( without auto reclose)

ii) Transformer protection & Ckt breaker control Panel ( without auto reclose)

iii) Bus Coupler Protection & Ckt breaker control Panel ( without auto reclose)

Time synchronization equipment

11 kV 15 Panel Board (2000A) with one SEM on each T/F I/C Panel (including one no. bus sectionalizer panel)

11 kV Power Cable XLPE 1C x1000mm2 coated with fire retardant paint for T/F to 11kV incomer with termination kit for both ends (4 runs per phase for each transformer allocating them 2 runs per phase for each 11kV I/C)

11 kV Power Cable XLPE 3C x 400sq mm coated with fire retardant Paint for Capacitor Bank with termination kit for both ends(2 runs)

11 kV Power Cable XLPE 3C x 50 sq mm coated with fire retardant Paint for station T/F with termination kit for both ends

6.804 MVAR 11 kV rating Capacitor Bank with 11 kV L&E Switch, RVTs and 11KV LA, reactor etc. as per technical specification.

220 V 100 AH Battery charger

220 V 100 AH D.C.D.B.

415 V LT AC Distribution Board 300 A

11/0.4 kV Station T/F 200 KVA

EOT-Crane as per clause 1.10.7 Section-1 and Clause 24.0 of GIS Specification.

1.1 kV Copper Control Cable armoured (FRLS) for 66kV bays & 11kV side of sizes 7CX4mm2, 2CX4mm2, 4CX4mm2, 2CX6mm2, 16CX2.5mm2, 10CX2.5mm2, 7CX2.5mm2, 3CX2.5mm2 etc. including junction box (as per Section-6 of copper control cable specification and Section-7 of Switchyard Erection).

650/1100 Volts 3.5 core 240 mm2 aluminium power cable (FRLS) from Aux. T/F to ACDB

650/1100 Volt 3.5 core 70 mm2 aluminium cable (FRLS) for oil filtration set.

650/1100 Volt 4 core 16 mm2 armoured (FRLS) copper power cable for MLDB etc and other cable required as per contract for 66kV bays.

Grounding system of the substation. Earthing Mat Material. The earth mat will be designed/quoted for soil resistivity of 50ohm-m. In case soil resistivity is more than 50ohm-m then the earth mat will be designed for actual soil resistivity. The payment of extra material to be used for earth mat shall be made on pro rata basis. The approximate area of earth mat to be laid is given in the corresponding columns of the substations. However, item will remain a Lot item.

Fire Fighting equipments as per section-6 i)22.5 Kg Capacity FE CO2 type, Trolley Mounted

ii) 25 Kg Capacity FE DCP type, Trolley Mounted

iii) DCP 10 Kg Capacity, Wall mounted

iv) FE CO2 6.5 Kg Capacity, Wall mounted

v) DCP 5 Kg Capacity, Wall mounted

vi) Foam Type 9 Litre Capacity, Wall mounted

vii) Water CO2 9 Litre, Wall mounted

viii) Fire Buckets(12 No.s with stand in one set)

Complete Lightning of control room building, switchyard area, road and street as per section-7 of technical Specifications Supply and installation of 2 fittings of 240W LED lamps with all accessories for Complete lighting of outdoor Switch yard area as per clause 16.0 of section 7 of the specifications.

Supply and installation of 35W LED tube on tubular steel poles along with the boundary wall at a distance of 30 meter as per as per clause 16.0 of section 7 of the specification

Complete lighting of road and street by providing 90W LED lamps on tubular steel poles at a distance of 15meter along the roads and streets as per as per clause 16.0 of section 7 of the specification.

Supply and installation of post top lantern 40W LED Lamps with all complete accessories at the entrance gate of sub-station.

Supply and installation of 40W LED Lamps with all complete accessories on corners of control room building.

High wall type split AC unit of 2 Ton capacity for computer room and specifically C&R Panel room (as per technical specification)

Complete Substation automation system of 66/11kV substations including hardware (along with transducers) for 7 No. 66kV present bays and software (for present bays as well as 3 No. 66kV future bays) along with associated equipment for the bays (bay as defined in the technical specification, sec-sub-station automation system) as per technical specification. Note: signals from protection relays in 11kV incomer would also be wired to substation automation system (SAS)

Testing of IUM System at NABL accredited lab

66 kV bolted type single suspension string assembly with 6 numbers ANTI FOG type disc insulators (E&M strength 9000 kg) per string with all hardware accessories including ball & socket connections and suspension clamp set suitable for single zebra conductor. Alternatively the bidder may quote silicon polymer composite insulator string in place of Disc Insulators (type of insulator whether disc or polymer insulator to be identified at the time of bidding and quoted accordingly which will not be altered at later stage by the bidder).

Bolted type 11kV Single tension string assembly with 3 numbers Anti FOG type disc insulators (E&M strength 9000 kg) per string with all hardware accessories including ball & socket connections and tension clamp sets suitable for Twin tarantulla Conductor. Alternatively the bidder may quote silicon polymer composite insulator string in place of Disc Insulators (type of insulator whether disc or polymer insulator to be identified at the time of bidding and quoted accordingly which will not be altered at later stage by the bidder).

Boltless C- Type Wedge connectors matching with conductor size.

Spacers suitable for Twin Tarantulla conductor

Copper lugs glands, PVC ferrules for control cabling.

Fibre cleats, Aluminium clamps, bolts, nuts, washers etc for fixing control cables in trenches

Galvanized iron perforated tray with side coupler plate bolts, nuts, washers and clamps etc. of size 75x25x2 mm, 150x25x2mm, 100x25x2mm etc. & G.I. Conduits of 50mm/100mm dia from equipment to main trench as per Section-7, Switchyard erection.

Painted lattice type steel trays of adequate size as per site requirement for laying control and power cables from panels to GIS & Transformers and for 11kV Outgoing cables & other cables identified as per site requirement confirming to Section-7 & 9.

Tarantulla Conductor (approx.)

Single zebra Conductor (approx.)

7/3.15 Earthwire

U-bolt 20mm dia

‘Lattice type steel structure for 66kV GIS S/Stn.Sector-23, Faridabad. Supply of material, preparation of fabrication drawing, galvanizing and delivery of lattice type steel structure for tower and beams for 66/11kV switchyard fabricated from steel conforming to IS:2062 including nuts-bolts gusset plates foundation bolts and other accessories as per drawings supplied by the owner. Main S/Stn. Tower and beam Tower type CT-4 (HW/ST-5199)

Tower type CT-5 (HW/ST-5195)

Beam type CB-6 (HW/ST-10)

Tower type DT-2 (HW/ST-5210)

Tower type DT-3 (HW/ST-5211)

Beam type DB-2X (HTD/ST-154)

Equipment Supporting Structure 66 kV NCT& 11kV NCT combined structure Drg. No. HTD/ST-149

66 kV Surge Arrestor Drg. No. HTD/ST-89R

11 kV NCT Drg. No. HTD/ST-88 (if required)

66kV Cable structure of galvanized iron along with foundation to be designed by bidder as per site requirement/size of cable

Equipments for maintenance i) Portable circuit breaker operation analyzer.

ii) Digital Micro-Ohm meter for contact resistance measurement Ranges (0-100 ohm) (0-1 milliohm), (0-10 milliohm).

iii) Dew Point meter

iv) Portable partial discharge monitoring system for GIS.

v) SF-6 Gas filling and evacuating plant

vi) SF-6 Gas leak detector (Portable)

vii) Tools for gas handling

viii) LT DC Leakage detector from control cabinets and LT cables

Common Spares, Maintenance and Testing Tools (66 KV) i)SF6 Gas pressure relief devices

ii) Pressure gauges (of each type) along with coupling device

iii)Rubber Gaskets, “ o” Rings and seals for SF6 Gas (each type)

iv) Molecular filter for SF6 Gas with filter bags (20% of total weight)

v) Density Monitors for SF6 Gas (each type)

vi) All types of Control Valves for SF6 Gas (each type)

vii) SF6 Gas of total gas requirement 20% (each no. 1)

viii) Enclosures, Insulators & main circuit to replace on each phase, any compartment of Busbar, bay & duct (each type)

ix) Covers with all accessories necessary to close a compartment in case of dismantling of any part of the enclosure to ensure the sealing of this compartment (as applicable) a) For 3 Phase Enclosure

b) For Single phase enclosure

x) Locking device to keep the Disconnectors (Isolators) and Earthing switches in close or open position in case of removal of the driving Mechanism

xi) Bus Support insulator of each type for 3 phase/single phase enclosure (5% of total population)

xii) Pipe length (Copper or Steel as applicable) for SF6 Circuit of each type

xiii) SF6 to air bushing (66 KV of each type & rating) (each)

CIRCUIT BREAKERS (66 KV) i) Complete Circuit Breaker pole of each type & rating complete with interrupter, main circuit, enclosure and Marshalling Box with operating mechanism

ii) Fixed, moving and arcing contacts including insulating nozzles, (3 Nos. of each type)

iii) Rubber gaskets, `O' rings and seals for SF6 gas of each type

iv) Trip coil assembly with resistor as applicable, 3 Nos. of each type

v) Closing coil assembly with resistor as applicable, 3 Nos. of each type

vi) Molecular filter for SF6 gas with filter bags (10 % of total quantity used)

vii) SF6 Pressure gauge cum switch OR Density monitors and pressure switch as applicable, 3 Nos. of each type

viii) Coupling device for pressure gauge cum switch/ for connecting Gas handling plant, 3 Nos. of each type

ix) Corona rings if applicable

x)Relays, Power contactors, push buttons, timers & MCBs etc of each type & rating

xi) Closing assembly/ valve, 3 Nos. of each type Set

xii) Trip assembly/ valve, 3 Nos. of each type

xiii) Auxiliary switch assembly, 3 Nos. of each type

xiv) Operation Counter, 3 Nos. of each type

xv) Rupture disc, 3 Nos. of each type

xvi) Wind scope/ Observing window, 3 Nos. of each type, if applicable

xvii) Spring operated closing mechanism, 1 No. of each type, if applicable

xviii)Terminal Pad & connectors

Isolators , E/Switch & High Speed E/Switch (66 KV) i) Complete set of 3 nos. of single phase / one no. of 3-phase dis-connector including main circuit, enclosure, driving mechanism.

ii) 3 nos. of single phase / one no. of 3-phase Earthing switch including main circuit, enclosure, driving mechanism.

iii) Copper contact fingers for dis-connector male & female contact – for one complete (3 phase) dis-connector of each type and rating.

iv) Copper contact fingers for earthing switch male & female contacts, for one complete (3 phase) earthing switch of each type and rating

v) Open / Close contactor assembly, timers, key interlock for one complete (3 phase) dis-connector and (3 phase) earthing switch of each type and rating

vi) Push button switch.-each type, as applicable

vii) Limit switch and Aux. Switches for complete 3 phase equipment a) For isolator

b) For earth switch

viii) Rotor housing bearing assembly for complete 3 phase equipment a) For isolator

b) For earth switch

ix) Motor with gear assembly for complete 3 phase equipment a) For isolator

b) For earth switch

x). Corona shield rings as applicable

xi) Hinge pins for complete 3 phase equipment a) For isolator

b) For earth switch

xii) Bearings for complete 3 phase equipment a) For isolator

b) For earth switch

xiii) Interlocking coil with resistors, timers, key interlock for complete 3 phase

xiv) Relays, Power contactors, resistors, fuses, push buttons & MCBs a) For isolator

b) For earth switch

xv) Terminal pad and connectors (complete for one 3 phase equipment) a) For isolator

b) For earth switch

xvi) Aux. switch assembly (complete) with 10 NO & 10 NC OR more contacts

xvii) 72.5 kV, 1250 A, 3 – f or 1 –f high speed fault making grounding switch, Internal parts complete with all necessary gaskets mounting hardware etc.

xviii) 72.5 kV, 1250 A, 3 – f or 1 –f high speed fault making grounding switch operating mechanism complete with all necessary gaskets connecting apparatus.

Current Transformer, i) 66kV 1 ph CT ratio 600-300-150/1-1-1A complete with all gaskets and mounting hardware

ii) 66kV 1 ph CT ratio 300-150/1-1-1A complete with all gaskets and mounting hardware

Voltage Transformer/PT(66 KV), i) 66kV, 1-phase VT as per technical specifications complete with all gaskets and mounting hardware.

Civil Works EARTH WORK Earth filling with good earth (as per satisfaction of Executive Engineer/Civil Works Division), laying in layers (as per specification), dressing, including carriage, irrespective of lead, loading, unloading, watering and compaction in layers with roller including compensation of earth complete in all respect.

FOUNDATIONS Design, engineering, supply of labour, T&P, material and construction of RCC footings & pedestals etc. for steel gantry and equipment structures complete in all respects as per technical specifications including cost of excavation, concreting, cement, reinforcement steel, form work, grouting, holding down bolts, backfilling etc. and other items not mentioned herein but required for the completion of work. A. Gantry Towers i) CT-4

iii) DT-2

EQUIPMENT (66 kV Side) i) LA

ii) NCT

11 kV Side NCT

CABLE SUPPORT STRUCTURE FOUNDATIONS Design, engineering, supply of labour, T&P, material and construction of RCC footings & pedestals etc. for steel gantry and equipment structures complete in all respects as per technical specifications &including cost of excavation, concreting, cement, reinforcement steel, form work, grouting, holding down bolts, backfilling etc. and other items not mentioned herein but required for the completion of work. 66 kV cable Support Structure

CAPACITOR BANK FOUNDATIONS Design, Engg. & supply of labour, material & construction of foundations for following rating capacitor bank with capacitor unit, series Reactor & allied equipment , including chain link fencing 1.8M height around cap. bank complete in all respect including any other items not specifically mentioned herein but reqd. for completion of job as per tech. spec. i) 6.804 MVAr 11 kV Capacitor Bank

TRANSFORMER FOUNDATION :Construction of transformer foundation including all associated works, RCC, PCC, reinforcement steel, misc. structural steel and other items not mentioned herein but required for completion of work as per technical specifications & drawing attached. In case extra foundation(s) has/have to be constructed (as per approved T/F drawing) to complete the job, nothing extra would be paid on this count. i) 25/31.5 MVA, 66/11kV T/F foundation.

ii) Design, Engg., supply of labour, material and construction of T/F foundation including radiator foundations etc. complete transformer foundations including all associated works, RCC, PCC, Reinforcement steel, misc. structural steel and other items not mentioned herein but required for the completion of work as per technical specifications and HVPNL drawing. In case additional foundation is/are required as per approved equipment drawing, the same shall be constructed by the successful bidder without any extra cost to HVPNL. Such drawing(s) shall, however, be got approved from HVPNL. 200KVA, 11/0.433kV station T/F foundation.

CABLE TRENCHES : Supply of labour, material such as cement, Reinforcement steel, GI angles, flats, PCC & brick pillars below cable trenches for construction of Out-Door Cable Trenches (ODCT) of required depth/ type with pre-cast RCC covers including associated works like Cable Trench Culverts crossings for roads and sumpit-cum-pump chamber with 2HP motor of reputed make, starter volt meter, amp-meter etc. as per approved Trench layout plan, HVPNL drgs. & tech. specs. complete in all respect.

SITE SURFACING Providing, supplying & laying 100mm thick PCC (1:4:8) using 20mm nominal coarse aggregates & spreading 100mm thick layer of 40mm nominal size uncrushed/crushed/broken stone/ pebbles over the PCC including construction of toe wall (exposed wall plastered with cement mortar 1:5) to hold 40mm size uncrushed/crushed/ broken stone/pebbles wherever required in the bays covered under the present scope as detailed in the GELO & instructions of XEN/CWD

Providing, supplying & laying two layers of uncrushed/crushed/broken stone/ pebbles gravel fill. The first layer after compaction shall make min. 50mm thickness course/layer of 40mm nominal size, including dressing, rolling & compaction complete as per specs., GELO and instructions of XEN/CWD

ROADS & PCC PAVEMENT : Supply of labour, material and construction of cement concrete roads and walkways/shoulders from NH/SH/etc. to Switch yard/Switch house building as per GELO/CLO as per sectional detail drawing no. HCD/SK-181 R1 and technical specification. i) 6.0m wide road at main entry gate of substation land until 5.0m or as per site conditions inside main entrance gate(s) leading to switch house building and switchyard.

ii) 5.0m wide road within substation land

iii) 3.66m wide road within substation land

iv) PCC in front and rear of parking area of SH Building as per tech. specification and drawing HCD/SK-172.

ROAD CULVERTS: Design, Engineering and const. of Pipe culvert(s) at suitable locations under the approach road (from main PWD/ HUDA/Municipal/Village road to the sub-station entry point) including, cost of labour, material complete in all respects as per I.R.C. Standards.

BOUNDARY WALL: Supply of labour, material and construction of front, C & U/C boundary walls above DPC including main gate foundations as per GELO/CLO, technical specifications. & HVPNL drg. HCD/TS-1176 R3 including DPC complete in all respect. i. 6 ft. high with GI barbed wire on angles at top.

ii. 4½ ft. high front wall with grill at top.

iii. 4½ ft. side wall with GI barbed wire

Supply of labour, T&P, material & construction of front, side & U/C boundary walls (brickwork below DPC level) as per GELO/CLO, tech. spec. & HVPNL drgs including excavation, PCC, back filling etc. complete in all respects.

U/C FENCING & GATES Providing & fixing chain link fencing including foundations, GI angle iron posts and gate(s) complete as per electrical layout & tech. spec. & as per drawing attached.

CONTROL ROOM BUILDING Supply of labour, material & construction of control room building complete in all respect as per tech. specs. & approved drgs. attached including exterior & interior acrylic emulsion paint, all internal services like water supply including supply & providing of 5000ltr. capacity triple layered Sintex/Diplast PVC tank, sewerage system, staircase, electrification including wiring, modular switches, maximum 20W 4ft. long LED tubes with fittings minimum 1960 lumens, ceiling/exhaust fans, finishing, plinth protection, indoor trenches, trench covers, soakage pit near the switch house building, connection of sewerage system to Soakage pit/Sewerage system of local authorities (as applicable), connection to main water supply system of local authority/ submersible bore (as applicable) etc. & any other item not mentioned herein but reqd. for completion of works. The successful bidder shall also provide water supply connection from bore well/HUDA/Municipal /Public Health or Panchyat water supply scheme (as per available source of portable water) to the control room bldgs. without any extra cost of HVPNL.

66 kV GIS HALL/BUILDING Design, Engineering including architectural, supply of labour, material and construction of GIS building with ventilation system including crane hoisting system (EOT), equipment foundations as detailed in the bill of quantities under Annexure-1 of Section-I of bid/contract documents, electrification including wiring, receptacle, modular switches, maximum 20W 4ft. long LED tubes with fittings minimum 1960 lumens , bulkhead LED lights including fixtures, ceiling/exhaust fans, stair case etc. interior & exterior acrylic emulsion, paint, RCC paving/plinth protection starting from the building up to 2m clear distance for the full length width of the building etc. complete in all respect for GIS hall/building and any other item not mentioned herein but required for completion of job as per specifications.

DRAINAGE–CUM-RAIN HARVESTING SYSTEM: Supply of labour, material for construction of 1 no. recharge structure with bore well as per HVPN drawings & specs. complete in all respect. The location of recharge structure shall preferably be located on corner(s) of the substation and shall be got decided from the concerned XEN/Civil Works Division on the basis of surroundings of the substation(s). In case ground water table is less than 8m from FGL, rain harvesting well shall not be constructed (the drainage system with sump pit is to be constructed as per item mentioned below).

The successful bidder shall evolve design & drawing for drain, manholes with RCC covers and settlement tank including preparation of drainage layout drawing for disposal of rain water from building’s roof top & switch yard (s/stn.) area into bore well in such a way that there shall be no ponding of water on the roof and switch yard (s/stn.). The layout so developed shall be got approved from the employer. The location of sump-pit-cum-pump chamber shall preferably be located on corner(s) of the s/stn. and shall be got decided from the concerned XEN/Civil Works Division on the basis of surroundings of the substation(s). The successful bidder will also supply labour and material for construction of 1 no. sump-pit-cum-pump chamber as per HVPNL drgs. & provide one no. non clog pump(s) of 5HP of reputed make capacity with main switch, starter, volt meter, Amp. Mtr. etc. (for each sump pit) for disposal of excess water to outfall point. Any other item(s) not mentioned herein but is/are required for completion of works shall be done by the successful bidder without any extra cost to the employer.

DEMOLITION OF EXISTING BOUNDARY WALL & EXISTING ABANDONED SEWER Line (i) Dismantling of existing boundary wall including all associated works complete in all respect

ii) Dismantlement of existing sewer line of tentative length 200 rmt and storm water in tentative length 148rmt. and rerouting/construction of new sewer line and strom water line to connect with sewerage disposal system and storm water line as per site requirement complete in all respect and with the instruction of engineer incharge

RCC M-20 inclusive of labour, material, shuttering, Steel reinforcement etc. complete in all respects to compensate excess quantity required to execute difference in execution & tender drgs. Only due to increased depth of foundations.

Absolute Projects India Ltd

HEC Infra Projects Limited

ETHOS POWER PRIVATE LIMITED

sumaja electroinfra pvt ltd

SALASAR TECHNO ENGINEERING LIMITED

Oriental Sales Corporation

SMS India Private Limited

Hartek Power Private