REPAIR/ MAINT OF 132 KV NETWORK ALONGWITH ALLIED WORK UNDER RAC SUB DIVISION UNDER GE (UTILITIES) UDHAMPUR

Amount

Taking proper shut down in writing and Spray painting of transformer at site with one coat of weather proof grey synthetic enamel paint after removing all dust, rust, carbon and oily spots, including well preparation of surfaces and writing /marking SM/MES No as 25mm stencil using white paint complete all as specified including cleaning of temperature gauge and silica gel ,oil temperature level for transformer rating 20 MVA, 132/33 KV complete, all as specified and directed.

All as per Srl item No 1.00 here-in-before but for transformer of rating 250 KVA to 0.415KV voltage level complete, all as specified and directed.

All as per item No. 01.00 but for 145KV potential transformer (132000 V)/ (110V/√3) outdoor type.

All as per item No. 01.00 but for 145KV potential transformer (33 KV)/ (110V/√3) outdoor type.

All as per item No. 01.00 but for 145KV current Transformer 400-200-100 / 1A outdoor type.

All as per item No. 01.00 but for 145KV current Transformer 800-400-200/1A outdoor type

All as per item No. 01.00 but for 33KV current Transformer 400-200-100/1A outdoor type

All as per item No. 01.00 but for 33KV current Transformer 800-400-200/1A outdoor type

All as per item No. 01.00 but for outdoor type Isolater box 145KV/36KV.

Repairing / Servicing of potential transformer single phase oil immersed, self cooled, hermetically sealed outdoor type, 145Kv, 50Hz, Ratio (132000 V)/(110/√3) including carrying out following activities complete all as specified and as directed: [a] Checking PT Limb[Ceramic insulator] for any cracks, pitting and burns [b] Cleaning / Decarbonising with CTC [c] Carrying / conducting Ratio Test. [d] Tightening all Primary and Secondary connections. [e] Tightening and fixing basement Nuts & Bolts.

All as per item No. 10.00 but for 36KV potential transformer (33Kv)/ (110V/√3) hermetically sealed.

All as per item No. 10.00 but for 145KV current Transformer 400-200-100 / 1A outdoor type.

All as per item No. 10.00 but for 145KV current Transformer 800-400-200/1A outdoor type

All as per item No. 10.00 but for 33KV current Transformer 400-200-100/1A outdoor type

All as per item No. 10.00 but for 33KV current Transformer 800-400-200/1A outdoor type

Repairing & servicing of 132 KV Isolator & Earth Switch including carrying out following activities complete all as specified and as directed: [a] Cleaning of contact for dust, oxidation & pitting with CTC. [b] Cleaning of all insulators with CTC and observing any cracks and carbon deposits / contents. [c] Repairing, adjusting the rotating arms for perfect operation including lubrication with Petroleum Jelly [d] Repairing / Replacement of Tension Spring in Fixed Contacts. [e] Lubricating of all moving parts for smooth operation. [f] Checking of Auxiliary Contacts and their Calibration [g] Applying Petroleum Jelly to all Electrical Contacts / Moving Contacts. [h] Tightening of all Electrical and Mechanical Connections. Note: The rate quoted is deemed to be inclusive of Consumables like nuts & bolts, washers, petroleum jelly, CTC, T & P etc. complete and necessary safety measures for working in 33 KV Yard.

All as per item No. 16.00 but for 33 KV Isolator & Earth Switch

1100 Volts PVC insulated FRLS copper conductor control armoured cable shall comply with standards as IS 1554 (part-I and part-II) pvc Insulated heavy duty electric cable, is 5831 PVC insulation and sheath of electric cable, is 8130 conductor for insulated electric cable and cords, is 3961 current rating of cable, IS 502 extended solid dielectric insulated power cable for rated voltage from 1KV to 30KV, IEC 540 and 540A test methods for insulation and sheath of electric cable and cords, IEEE 383 standard for type test for class II electric cable field splices and connections, swedish standard and SS 424 1475 ClassF3 for flammable test, IEC 332-1 test on electric cable under fire condition, IEC 754 -1 test method for acid generation, ASTMD-2863 oxygen index test and temperature index test NEMA WC5 for accelerated water absorption test and dielectric strength retention test construction of cable shall be such that the PVC fillers will be used to provide uniform circular cross section before the inner sheath is applied. All material shall comply the applicable provisions of the test mentions in the specifications mentioned above, current rating and derating factors under normal conditions of installation shall be as per latest amendment IS-3961 (Part-II) the length of the cable shall be supplied in drum length of 500m for all sizes with tolerance of only 5% of ordered quantity of size 2.5sqmm 7 core armoured complete all as specified and as directed.

Taking down 1100 volts PVC insulated FRLS copper conductor cable of size, 2.5 sqmm 7 core, complete, all as specified and directed.

Cleaning and servicing of complete HT 33 KV 4 pole isolator structure by greasing, cleaning, servicing of jumpers, re-jumpering wherever required, tightening of nuts & bolts etc. including painting with two coats of aluminium paint over a coat of zinc chrome primer on all steel surfaces from main receiving point to distribution bus bar bay structures up to transformers inside MRS complete, all as specified and directed.

Silica Gel into Breather of Transformers, fixed in repairs, complete, all as specified and directed.

Repairs / Servicing of 145KV SF6 circuit breaker out door type with breaking cap 31.5 KA having nominal system voltage 132 KV & rated voltage 145Kv 50Hz, 3 Poles(G.O) out-door interrupting Cap, rated normal current 1250 A, having 2 trip coils auxiliary contacts 12 NO & 12 NC, closing coil 1 No. Arcing time 25 milliseconds, Tripping & closing control circuit voltage 110V DC and spring operated mechanism of ABB make comprising of the following complete all as specified and as directed: [a] Cleaning of Interrupter Limbs for Dust, Oxidising and Decarbonising with CTC. [b] Repair / Servicing of Spring Loaded Operating Mechanism [c] Repair / Servicing of Spring Charging Motor [d] Checking, repairing & servicing of Gearbox, Auxiliary Switches, Spring, Limit Switch etc. complete [e] Checking & Repairing Electrical and Mechanical Operations [f] Checking & Repairing Remote Closing and Tripping of SF6 bracker from Control Panel. [g] Lubrication all Moving Parts with Petroleum Jelly & cleaning all Bushing Insulators with CTC [h] Tightening of all Mechanical Connections of Mechanism [i] Tightening of all HV and LV Connection. Note: Spares required for Servicing / Repairing of SF6 bracker shall be measured and separately under respective items of this BoQ at supply only rates.

Repairs / Servicing of 36KV VCB outdoor type with hallow porcelain insulated porcelain clad VCB having nominal system voltage 33KV highest system voltage 36KV interrupting capacity rated normal current 1250A, frequency 50Hz, short circuit current 25KA, control circuit voltage 110V DC, of ABB make and comprising of the following complete all as specified and as directed: [a] Cleaning of Vacuum Interrupter Limbs for Dust, Oxidising and Decarbonising with CTC. [b] Repair / Servicing of Spring Loaded Operating Mechanism [c] Repair / Servicing of Spring Charging Motor [d] Checking, repairing & servicing of Gearbox, Auxiliary Switches, Spring, Limit Switch etc. complete [e] Checking & Repairing Electrical and Mechanical Operations [f] Checking & Repairing Remote Closing and Tripping of VCB from 33KV Control Panel. [g] Lubrication all Moving Parts with Petroleum Jelly & cleaning all Bushing Insulators with CTC [h] Tightening of all Mechanical Connections of Mechanism [i] Tightening of all HV and LV Connection of VCB. Note: Spares required for Servicing / Repairing of 36 KV Circuit Breaker shall be measured and separately under respective items of this BoQ at supply only rates.

Supply only following spares suitable for 145 KV Outdoor type SF6 Breaker of make:ABB Model No LTB145D1/B complete all as specified & directed:-

Damper suitable for 145 KV Outdoor SF6 Breaker of make ABB cat part No 1HYB300862-A as per existing model complete all as specified & directed.

Tripping latch Assembly for 145 KV Outdoor SF6 Breaker of make ABB cat part No EXIN200410-R1 as per existing model complete all as specified & directed.

Closing latch Assembly for 145 KV Outdoor SF6 Breaker of make ABB cat part No EXIN200416-R1 as per existing model complete all as specified & directed.

Closing coil 110/220V for 145 KV Outdoor SF6 Breaker of make ABB cat part No EXIN400834-R9 as per existing model complete, all as specified and directed.

Triping coil 110/220V for 145 KV Outdoor SF6 Breaker of make ABB cat part No EXIN400833-R9 as per existing model complete all as specified and directed.

Closing Spring Assembly for 145 KV Outdoor SF6 Breaker of make ABB cat part No 1HYB300784-A as per existing model complete all as specified and as directed.

Triping Spring Assembly for 145 KV Outdoor SF6 Breaker of make ABB cat part No 1HYB300785-A as per existing model complete all as specified & directed.

Limit Switch with bracket complete for 145 KV Outdoor SF6 Breaker of make ABB cat part No 1HYBN700023R1 as per existing model complete, all as specified and directed.

Supply only following spares suitable for 36 KV Outdoor Vacuum Circuit Breaker of Make: ABB model No OVB-VBF 36 complete, all as specified and directed by Engr-in-Charge:-

Geared motor for 220-250V DC suitable for 36 KV Outdoor VCBs of ABB cat part No 1VRC007323G0005, as per existing model complete all as specified and directed.

MC open Coil Mo1(220-250V DC/220-250V AC) suitable for 36 KV Outdoor VCBs of ABB cat part No 1VCR004289G0007 as per existing model, complete all as specified and directed.

Auxiliary Switch 8NO + 8NC suitable for 36 KV Outdoor VCBs of ABB cat part No 1 VYN301450-041 as per existing model complete, all as specified and directed.

Trip Coil MO2 Assly 48Vca-Vcc (Addiyional trip) suitable for 36 KV Outdoor VCBs of ABB cat part No 1VCR002985G0003 as per existing model complete, all as specified and directed.

Shunt closing release - MC24VDC suitable for 36 KV Outdoor VCBs of ABB cat part No 1VCR004291G0001 as per existing model complete, all as specified and directed.

MU Coil Assly (48V AC-DC) Under Voltage suitable for 36 KV Outdoor VCBs of ABB cat part No 1VCR004290G0003 as per existing model complete, all as specified and directed by Engr-in-Charge.

MC Closing Coil (220-250VDC/220-250V AC) suitable for 36 KV Outdoor VCBs of ABB cat part No 1VCR004291G0007 as per existing make & Model complete, all as specified and directed.

Heat shrinkable type end termination joint kit outdoor type suitable for XLPE insulated HT cable 33000 Volts grade of size 400 Sqmm 3 core complete with jointing material and accessories along with testing after jointing including taking out the old unserviceable joint kit complete all as specified and directed.

HT Cable XLPE insulated , screened, PVC bedded galvanised steel strip or wire armoured electric power cable ( heavy duty) with aluminium conductor , 33000 volts earthed grade cross sectional area 400 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles, complete all as specified and directed.

Taking down HT Cable XLPE insulated , screened, PVC bedded galvanised steel strip or wire armoured electric power cable ( heavy duty) with aluminium conductor , 33000 volts earthed grade cross sectional area 150 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles, complete all as specified and directed.

Dehydration including filtration and cleaning of Transformer oil by dehydrating machine incl testing of sample before and after dehydration and filtration and replacement of silica gel all as specified and directed NOTE:- dehydration machine and testing kit will be provided by the Dept. but transportation of machine is the responsibility of Contractor without any extra cost to the dept. Sample testing will be carried out in the presence of Engr-in-Charge on site.

Toping up to the appropriate level Transformer oil of low viscosity having dielectric strength not less than 60 KV complete all as specified and as directed NOTE:- Dielectric strength test shall be carried out at site before Toping/filling in transformer.

3 phase S1 duty, electric motor for Isolator Jn Box 0.5 HP, 415 V+10%, 50Hz+5%, 1410 RPM, fixed in repairs, complete all as specified & directed.

36KV porcelain Post insulator having highest system voltage 36KA. 50Hz short ckt current 25KA, phase to phase distance 1.5M height of insulator 508.00mm used for support ACSR conductor use for interconnection, fixed in repairs, complete all as specified & directed.

145Kv porcelain Post insulator having highest system voltage 145Kv, 50Hz short circuit current 31.5 KA, phase to phase spacing 3m height of insulator 1460 mm used for support ACSR conductor use for interconnection, fixed in repairs, complete all as specified & directed.

Disc type insulator including its accessories of GI for 33 KV volts grade with three 11 KV insulator in one series. (One unit shall be set of three) fixed in repairs, complete all as specified & directed.

ACB 4 Pole, 415 V, with Thermal Magnetic Release (Manual Fixed type) of capacity 630 Amps, fixed in repairs, complete all as specified & directed.

Taking out ACB trolley from LT control panel 415 V 3 phase 800 Amp , 50 kA, 4 Pole (Make :- schneider) and cleaning the ACB with CRC removing all dust , carbon etc greasing the mechanical parts gears ,lever charging male female contacts and spring holders and testing and calibration for overload current and fault current complete all as specified and directed.

Sulfur Hexafluoride (SF6) gas from authorised rep of OEM at appropriate level in 145 KV SF6 breaker by opening both cover of breaker and refixing after testing on load, complete all as specified and directed.

Calibration of overcurrent earth fault relay of make Siemens ( model No 7SJ66) as per existing load for earth fault , over current and short circuit ,including setting the relay on required electric load and testing on earth fault and short circuit and over load with the help of relay testing kit for 132KV & 33 KV system complete all as specified and directed.

Filling crushed/broken aggregate of gauge exc 20 mm and not exc 25 mm in layer thickness 150 mm laid in sub station yard, complete all as specified and directed.

Supply and fixing in replecement of 32 Amp,4pole, 110 V DC, 50 Hz Power contactor auxilary contact 2 NO + 2 NC, of coil voltage 110 Volts DC , complete all as specified and directed. Make: L&T/Schineider/Havells

Supply and fixing in replecement of 16 Amp,4pole, 110 V DC, 50 Hz Power contactor auxilary contact 2 NO + 2 NC, of coil voltage 110 Volts DC , complete all as specified and directed. Make: L&T/Schineider/Havells

Supply and fixing in replacement 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of single poles and current carrying capacity upto 2 AMP,Complete with connection all as describe by complete all as specified & directed.

Supply and fixing in replacement 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of Four poles and current carrying capacity upto 2 AMP,Complete with connection all as describe by complete all as specified & directed.

Supply and fixing in replacement 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of Two poles and current carrying capacity upto 5-32 AMP, Complete with connection all as describe by specified & directed.

Supply and fixing in replacement 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of four poles and current carrying capacity upto 32 AMP, Complete with connection all as describe by specified & directed.

Supply and fixing in replacement 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of single poles and current carrying capacity upto 5-32 AMP, Complete with connection all as describe by specified & directed.

Supply and fixing in replacement 415V, 10 KA 'C' curve motor protection circuit breaker (MPCB) of Four poles and current carrying capacity upto 200 AMP, Complete with connection all as describe by specified & directed.

Supply and fixing in replacement Push button ( in replacement ) Green colour 'NO', Red colour 'OFF' contact( vasihno make,cat no.2xvaf,flush type) complete all as specified and directed.

Supply & Fix in replacement rechargeable 2 volt 200AH tubular gel VRLA battery cell @C10 at 27º C upto 1.75 E.C.V. complete all as specified & directed by Engr-in-charge Recharging characteristic during operation is as under is as under Recommended parameters for ambienl temperature of 25-30 C Charging Current Maximum - 40A Minimum – 20A Bulk Voltage 2.40 ± 0.02 V / cell Float Voltage 2.28 ± 0.02 V / cell Equalizing Voltage 2.40 ± 0.02 V / cell Load Reconnect Voltage 2.20 ± 0.02 V / cell Load Voltage disconnect 1.80 ± 0.02 V / cell

Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 33 KV line, fixed in repairs, complete all as specified & directed.

PROACH ASSOCIATES BUILDERS & ENGINEERS (BID ID -3197615)