COMPREHENSIVE MAINTENANCE OF 33 KV MAIN RECEIVING STATIONS 33 KV NO I AND II INCLUDING REPAIR REPLACEMENT OF METERING EQUIPMENT AND YARD CALIBRATION AND CONNECTED WORKS AT OAF UNDER GE 970 EWS

Amount

Taking down old unservicable cable of any size or type from any description (trenches, walls, ceilings., etc) from various locations, including any short length, complete all as specified and directed.

Supply and fixing in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed.

Supply and fixing in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm.

Supply and fixing in repairs lightening arrestor expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 11 KV complete all as specified and directed.

Repairing / Servicing the Air break isolating switch HT 11 KV 400 Amps by replacing the defective major spares including provn of minor bolts nuts etc complete all as specified and directed. Note :- Major spare will be measured & paid seperately under relevant item of BOQ.

Supply and fixing in repairs 11 KV Airbreak switch Male contact/moving Contact Blade complete all as specified and directed.

Supply and fixing in repairs 11 KV Airbreak switch Female contact/Fix Contact Jaw complete all as specified and directed.

Supply and fixing in repairs 11 KV Airbreak switch MS jumper carrier complete all as specified and directed.

Supply and fixing in repairs 11 KV Airbreak switch Back Connector plate complete all as specified and directed.

M&L for Earthing of machinery/equipment Installed at power house/substation, using 25 x 3 mm copper strip and copper plate of size 300 x 300 x 3 mm, as earth electrode. earthing complete burried directly in ground (earth plate not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metre below normal ground level, connected to and including copper strip 25x3mm as earthing lead by means of bolts, nuts, check nuts and washers, test points made of copper Strip 25x3 mm, 10 cm long, PCC (1:2:4) type B-1 in pit, angle iron 25x25x3mm frame work with precast RCC (1:2:4) type B-1 cover reinforced with 8mm dia TMT bars @ 150mm c/c both ways and 12mm dia MS fabricated handle, medium grade GI watering pipe 20mm bore with funnel, wire mess and light grade GI protection pipe 40mm bore upto 5m length for drawing in earth lead, salt, charcoal, etc including excavation and earth work in any type of soil, removal of surplus soil to a distance not exceeding 50m complete all as shown in electrical plate No. 3 of SSR Part-I and connecte complete all as specified and directed. Note : The quoted rate of earthing shall be deemed to include cost of copper strip upto 7.5 meter and protection pipe and watering pipe, complete all as specified and directed.

Supply, laying, jointing and testing of cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sq mm complete all as specified and directed.

Supply, laying, jointing and testing of cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm complete all as specified and directed.

Supply and fixing in repairs cable jointing kit for 11 KV grade cable for indoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 95/120 sq mm, complete all as specified and directed.

Supply and fixing in repairs cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 95/120 sq mm complete all as specified and directed.

Supply, laying jointing and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sq mm 3.5 Core complete all as specified and directed.

Supply, laying, jointing and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 Core complete all as specified and directed.

Supply, laying, jointing and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq mm 3.5 Core complete all as specified and directed.

Supply, laying, jointing and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3.5 Core complete all as specified and directed.

Outgoing :- a) MCCB 4 Pole, 200 Amp , 36 KA 415V, Adjustable thermal setting type - 02 Nos. b) MCCB 4 Pole, 100 Amp, 16 KA 415V, Adjustable thermal setting type - 02 Nos. c) MCCB 4 Pole, 63 Amp, 16 KA 415V, Adjustable thermal setting type - 01 Nos. d) Angle iron base frame made out of ISA 5050 of size 50 x 50 x 6 mm thick including PCC 1:3:6 (using 40 mm graded crushed stone aggregate) type C2 for foundation , total leg height 600 mm above ground level - 01 Job e) Three phase timer switch 20 amp - 01 No, complete all as specified and directed.

Outgoing :- a) MCCB 4 Pole, 100 Amp, 16 KA 415V, Adjustable thermal setting type - 02 Nos. b) MCCB 4 Pole, 63 Amp, 16 KA 415V, Adjustable thermal setting type - 05 Nos. c) MCB TPN, 32/40 Amp 415V - 03 Nos. d) Angle iron base frame made out of ISA 5050 of size 50 x 50 x 6 mm thick including PCC 1:3:6 (using 40 mm graded crushed stone aggregate) type C2 for foundation , total leg height 600 mm above ground level - 01 Job

Supply and replacing silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 100 KVA to 300 KVA transformer, complete all as specified and directed

Supply and replacing silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 315 KVA to 600 KVA transformer, complete all as specified and directed

M&L for replacement off load tap changer for distribution transformer of any make and capacity from 200-600 KVA, complete all as specified and directed

M&L for replacement of bush type insulator brown in color working pressure 433 Volts LT side, complete all as specified and directed

M&L for servicing and repairing of OLTC (ON load Tap changer) for 11 KV Transformer by disconnecting and dismantling all burnt out cables / fuses/ relays / contactors, toggle switch/knobs /indicators/reading units and other accessories repairs / replace the unserviceable items and making the OLTC in serviceable condition and connecting back to its original position, complete all as specified and directed.

M&L for servicing of 33 KV VCB / 11KV VCB / bus coupler by dismantling cleaning greasing the complete VCB with attached relays bus bar etc insulation testing, setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking and repairing the current circuit panel wiring, replacement of new spares as required complete including operational testing and commissioning, complete all as specified and directed.

M&L for carrying out primary & secondary injection test of 33 KV or 11 KV indoor /outdoor type current transformer (Set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition, all relay testing and proper functioning including submitting the test report all as directed. Note : PIT/SIT for VCB will be carried out in 6 months intervals and each primary & secondary injection test will be measured and paid, complete all as specified and directed

Supply and fixing in repairs the following spares for outdoor VCB 33 KV 800 A 750 MVA fault level 36V-26/2000 & VCB 11 KV 400 A 25 KA 250MVA:-

Closing coil 24/30V DC

Tripping coil 24/30V DC

Antipumping device 24/30V DC

33 KV porcelain bushing for VCB Top

33 KV porcelain bushing for VCB bottom

Connector strip 16 way

Earth Fault and over current relay of L & T Model No MC61A 24-110V

Digital type power factor indicator meter

Digital type Voltmeter / Ammeter 96 x 96 mm size

LED type indicator lamp assembly

Vacuum Interrupter for indoor VCB

Spout incoming side

Spout outgoing side

Epoxy insulators bushings for incoming / out going cables / bus bar suppors as per existng size of VCBs

Insulated Copper bus bar of existing size and thickness for VCBs

Gear system assembly complete with handle for charging / discharging of VCBs

Spring charging motor for VCBs

Excavation in trenches not exc 1.5 M wide and not exc 1.5 M in depth and getting out in any type soil for taking up or laying of cable complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and directed.

Removal of surplus soil not exceed to a distance of 50M where directed at a level not exc . 1.5M above the starting point, complete all as specified and directed

Supply and laying dry river sand laid in trenches as cable cushioning and covering complete all as specified and directed. Note : Punned thickness shall be measured for payment purpose.

M&L for brick well burnt locally available sub class 'B' laid over sand cushioning to cable in trenches keeping width of brick parallel to the length of cable complete all as specified and directed.

Supply and fixing in trench/on wall in repairs GI tubing light grade for road crossing and cable protection of size 80 mm dia complete all as specified and directed.

Supply and fixing in trench/on wall in repairs GI tubing light grade for road crossing and cable protection of size 100 mm dia complete all as specified and directed.

M&L for graded coarse aggregate, broken stone or boulders of size 40 mm in sub - station yard for laying complete all as directed and specified.

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety complete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 3 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety complete all as specified and directed.

Notes :- An amount of Rs. 1,55,071.00 on account of Credit Schedule for Schedule 'A' Part-II shall be deducted from total quoted amount of BOQ to arrive at the contract sum.

CHINAR CONSTRUCTION TRADERS (BID ID -3300091)

Concept Engineering & Constructions (BID ID -3307622)

M/S Noor Mohammad Shalla (BID ID -3302853)

VEDA INFRASTRUCTURE (BID ID -3302942)