Central Coalfields Limited Tender

a). Preparation and submission of system engineering drawings as per system requirements b). GA & detail engineering designs and drawings of all civil and structurals included in the system and scope of works (Complete details of the system) c). G.A. & detailed engineering designs and drawings including working and maintenance manuals of (Complete details of the system) : i) all individual equipment ( Electricals) ii) Fire-Fighting System iii) Earthing system & Lightening protection system iv) Cabling System v) Illumination system & Elerical Wiring Drawing of sub-station building vi) Single Line Diagram & GA Drawing of the switchyard vii)Any other system/unit to match the scope of work & requirement d).Documentation as per tender specification, complete as per scope of works

C. CIVIL & STRUCTURAL WORKS

a). Earthwork in cutting in all types of soil and rock b). Earthwork in filling c). Sand filling d). PCC (M 10 and higer grade) at all levels as per system requirement e). RCC (excluding reinforcement) at all levels as per system requirement (M20 grade and above) including shuttering f). Supply, bending, binding and placing of Tor steel in position g).Supply, fabrication and erection of structural steel at all levels as per system requirement h). Masonary work i) Pavement in substation

Developmental work and infra-structure as per tender document

a). Site development:- earthwork in excavation and banking for leveling & dressing b). Gravel packing in switchyard and Dyke Wall c). Roads and Culverts and Pathways d). Water supply for industrial, drinking and firefighting puposes including provision for deep bore-well, pipelines, ground water tank, pumps & pump houses with all electricals. e). Dwarf Wall f). Substation building g).Security Post h). Drainage arrangement i). Boundary wall, Fencing with barbed wire & gates J). Cable Trenches k). Lighting and Lightning Towers l). RCC foundation for Steel Structures and transformers in outer switchyard m). PCC foundation for Lightening and lighting towers n).Retaining wall o).Chain linked fencing & Gate p). Anti-weed treatment q). Soak Pit for transformers r). Sewerage s). DG Shed t). Parking Shed u). Pump House v). Miscellaneous

D. PLANT & MACHINERY ( SUPPLY)

33 kV side comprising of following: i. Isolators, 33 kV (nominal),3 poles, pole mounted, 1250A,25kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker- 10 Set ii. Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250A,25kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker with Earthing switch -08 Set. iii. Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250A,25kA, with D.O. Fuses. -06 Set. iv. Lightning Arrestors, station class, 30 kV,10 kA, suitable for 33kV, solidly earthed (each set consists of 3 nos.) with counters/surge monitors -14 Set. v. Current transformers,33 kV out door type, accuracy class-1.0, suitable for installation on structures for metering and protection with required CT ratio - 11 Set vi. Potential transformers, 33 kV /110V, outdoor type, oil immersed, burden 100 VA,33/√ 3 kV/ 110/ √ 3 V for metering and protection each for three phase system suitable for installation on structures for metering and protection - 4 Set. vii. Vacuum Circuit Breaker, 33kV,1250A, outdoor type, 25 kA with remote control panel having IDMTL relay for O/L and E/F protection, ammeter,energymeter as per specification-11 Nos. viii. Transformer, outdoor type, 16 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 11000 V, Connection: DYn11-2 Nos. ix.Transformer, outdoor type, 7.5 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 3300 V, Connection: DYn11-2 Nos. x. 33 kV/0.230 kV(L-L), 100 kVA, Outdoor, lighting transformer ,50 Hz, DY11- 1No. xi. 33 kV/0.415 kV, 160 kVA, outdoor, station transformer (Cu)-1 No.

11kV & 3.3kV side comprising of following: i.11 kV switch-board, indoor type, 12 panel, with vacuum circuit brakers 350 MVA symmetrical breaking capacity. - 1 Set ii. 3.3 kV switch-board, indoor type, 12 panel, with vacuum circuit brakers 350 MVA symmetrical breaking capacity. - 1 Set iii. Neutral Grounding Resistors with Protection for Transformers-4 Nos. iv.Capacitor bank, 11 kV indoor type 2000 kVAR including APFC.- -2 Set v. Capacitor bank, 3.3 kV indoor type 750 kVAR including APFC. -2 Set

Substation Outdoor Yard: i. Overhead conductors,Insulators,Towers, poles, insulators, strung bus, ACSR conductors, steel hardware etc for 33 kV sides in the out door yard. Along with 2 pole structure fitted with gang operated AB switch, lightning arrester etc for 11kV and 3.3kV out going feeders--1 Lot

Earthing System: Earthing system (Safe Earth Electrode type) including earth pits, required galvanised strips/flats for inter connection etc. as per technical specification,scope of work and system requirement.-Lot

Lightning protection system: Lightning protection system consisting of spikes, earth pits, galvanised strips/flats, shield conductors etc. as per technical specification,scope of work and system requirement.-Lot

Firefighting system : i. Fire fighting equipment consisting of fire hydrants hose cabinets, hose reels, valves, pipes, fire detection alarming system, Nitrogen injection fire prevention and extinguishing system for transformers,diesel pump, electric pump with electricals and cables , jockey pump etc-1 Lot ii. Supply of portable fire extinguisher system -1 lot iii. Sand buckets with stand- 1 lot All items shall be as per technical specification,scope of work and system requirement.

Illumination system : i) Decorative, LED light fittings of required watt -Lot ii)Tubular steel poles, 11m height along with 90W LED lamps with fittings-Lot iii)Lighting masts, 16m height (Min) along with required nos. of 200 W LED lamps with fittings.-Lot iv)90 W (min) LED lamps (complete) fitted on substation building-Lot v)Emergency lighting system suitable for operation on 110 V DC supply in substation building.-Lot vi)Accessories such as sub distribution board, junction boxes, individual control cables, PVC conduits/ casings, back up fuses, switches, sockets, ceiling roses, single core PVC cable with copper conductors, flexible wire etc.-Lot vii)Main Lighting distribution board 3 ph, 230V with MCCB/MCBs for control and distribution to lighting load of the substation-1 No All items shall be as per technical specification,scope of work and system requirement.

Auxiliary Power supply system: i. Power distribution board, 415V, 3 ph and neutral with MCCB/MCB’s for control and distribution of auxiliary loads including firefighting system of the substation except lighting load -1 Set ii. Battery (110 V) lead Acid type, 200 AH and battery charging (with one stand bye battery charging unit) equipment, control panels, wooden racks etc.- Lot All items shall be as per technical specification,scope of work and system requirement.

Cables and accessories: i. HT power cable, 11000 V grade, XLPE, FRLS, Copper conductor - 1 Lot ii.HT power cable, 3300 V grade, XLPE, FRLS, Copper conductor - 1 Lot iii.LT Power cable, 1100V grade, PVCSWA, 10 sq. mm.(minimum),3/4 core copper stranded conductors s- 1 Lot iv. Outdoor Lighting cable, 1100V, PVCSWA , 2 cores, 10 sq mm (minimum) stranded Al conductors - 1 Lot v. Outdoor Control cables, 1100V grade, PVCSWA, not less than 2.5 sq mm , copper conductors of with required number of cores - 1 Lot vi.Wires for internal wiring of 1.5 sq mm and 6 sq mm size, PVC insulated copper conductor cable of 1100 V grade.- 1 Lot vii.Cables for internal control wiring of illumination, ceiling fans, power sockets etc. 2.5 sq mm size, PVC insulated copper conductor of 1100 V grade viii.Cable trays, cable racks, binding materials, cable glands/lugs, cable jointing kit, bolts, nuts, washers, termination kit etc. All items shall be as per technical specification,scope of work and system requirement.

CCTV System CCTV System with associated electricals and accessories- 1 Lot

SCADA System & Automation SCADA System and Energy Management System as per specification

Miscellaneous Equipment comprising of the follwing : i. Water cooler with water purifier - 1 No. ii.Supply of 63 kVA Diesel Generator set (silent type) with 3 ph, 50 Hz ,415 V output supply with cable, change over switch and earthing etc- 1 No. iii.Exhaust fans, 600 & 225 mm sweep.- Lot. iv. Ceiling fan ,1200 mm sweep along with electronic regulator-Lot v. Room air conditioners, 1.5 t capacity min. ( 5 star rating ) including servo stabilizer - lot vi.Vacuum Cleaner Set-1No.

E. ERECTION, INSTALLATION & COMMISSIONING

Erection of electrical and other equipment

Commissioning of the Substation

F . OTHERS ITEM

Any other item left out for completion of the project

G . OPERATION ,MAINTENANCE AND TRAINING

Operation and Maintenance of the substation for five year after commissiong

Training of the employer personnel as per tender document

Total impact of GST for the purpose of CTC