Repair/Renewal/Replacement under maint of Transformer, VCB and connected items under GE (Army) Suratgarh

M&L for Earthing complete with galvanised steel pipe electrode, 40mm bore, medium grade, 2.5 metres length, buried directly and preferably vertically in ground with top edge not less than 1.25 metres below ground level connected to galvanized iron strip 32mm x 6mm thick as earth lead by means of bolts, nuts and washers of galvanised iron or steel and thimbles and other end of the earth strip connected to earthing test point/equipment and protected by galvanised iron pipe light grade 40mm dia upto earthing test point/equipment fixed with required number of mild steel clamp made out of 25mm x 3mm flat iron and perforated water pipe 20mm dia GI medium grade of length 2.25 metre and top with socket & plug and bottom connected to earth plate by slit and two bolts/nuts/washers, PCC chamber in cement concrete (1:2:4) type B-1 and 40mm thick pre-cast RCC (1:2:4) type B-0 cover with 40mm x 40mm x 3mm MS angle iron frame, excavation & earth work all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009 complete all as specified and as directed. Notes :- (i) GI strip upto earth test point/equipment is included in this item. (ii) Outer edge of earth pit chamber shall be 1.5 metre away from the outer edge of PCC chamber. (iii) Minimum weight of reinforcement shall be 1 kg for each earth pit cover

Material and labour for calibration settings, servicing and repair/replacement of burnt/unserviceable wiring duly lugged, fuses, LED indicators of existing 11 KV VCB/RMU relay of any make including setting of over current, earth fault, auxillary, master relay complete all as specified and as directed including replacement of following items are as under :- Note:- Print out of VCB's relay during calibration for the record and monitoring shall be submitted.

Supply only CGI 14N (electronic relay) suitable for 11 KV VCB complete all as specified and as directed by Engineer in charge.

Supply only epoxy resin cast, single phase current Transformer (CT) 11KV one set of three having ratio 200-100/5+5A (for both incoming & outgoing) having 15VA burden for metering and class 5P10 protection with air insulated CT chamber with complete wiring suitable for 11 KV VCB complete all as specified and as directed by Engineer in charge.

Supply only Terminal Protector / Right Angle Rubber Boot for Transformer & RMU suitable for 11 KV complete all as specified and as directed by Engineer in charge.

Supply only spring charging motor suitable for 11 KV existing VCB complete all as specified and as directed by Engineer in charge. Make:- Alstrom / CG / ABB / Areva

Supply only closing / tripping coil suitable for 11 KV VCB complete all as specified and as directed by Engineer in charge.

Supply only TNC switch suitable for 11 KV VCB complete all as specified and as directed by Engineer in charge.

Supply only vacuum Interrupter cylindrical type suitable for 11 KV VCB complete all as specified and as directed by Engineer in charge.

Supply only anti pumping device complete all as specified and as directed by Engineer-in-charge.

Supply only TCSR (Test Current Supervision Relay) suitable for 11KV VCB complete all as specified and as directed by Engineer-in-charge.

Supply only Limit Switch suitable for 11KV VCB complete all as specified and as directed by Engineer-in-charge.

Supply only Porcelain Insulator suitable for 11KV VCB complete all as specified and as directed by Engineer-in-charge.

Supply only of Preset Electronic timer switch (Selec 800XA) operated at 12V to 240V, AC for 11 KV VCB to operate spring charging motor complete all as specified and as directed by Engineer-in-charge.

Supply only of heater 50 watts suitable for VCB complete all as specified and as directed by Engineer-in-charge.

S&F in repair DC power pack 24 Volt, 22AH supply built with battery and auto battery charger complete all as specified and as directed by Engineer in charge.

S&F in repair maintance free dry battery 12 Volt, 22AH suitable for 24 Volts /110 Volts DC power pack complete all as specified and as directed by Engineer in charge.

S&F in repair ELITE 500 multi-function meter ,35-500VAC (L-L), lb 1 to 5 Amps, Imax 6 Amps, Class 0.5s, TFT, Aux 85-300v AC /48-300V DC, MODBUS on RS , SW configuration -1, 96X96 complate all as specified and as directed by Engineer-in -charge.

S&F in repair of 24 V 10 A heavy duty automatic float cum booster trickle battery charger, control wiring and stand operating on 230 V single phase 50 Hz supply, by replacing unserviceable charger , complete all as specified and as directed by Engineer-in-Charge.

S&F in repair, Valve Regulated Lead-Acid Battery Bank 24 Volt, 200AH (2 volts , 200AH -12Nos) for proper functioning of HT breakers including automatic float cum booster trickle battery charger, control wirinrg and stand complete all as specified and as directed by Engineer in charge.

Dismantling of existing trasformer/ VCB from four/two pole structure after disconnecting incoming & out going connections and shifted/installed on existing plateform carefully where as directed including connecting up electrically on both side to the same complete all as specified and directed by Engr-in-charge. (Note : XLPE HT cable/joints/Gi pipe of adequate size shall be measured & paid under relevant item of BOQ).

Dismantling the transformer 11 KV/433 volts oil cooled aluminium/copper wound of capacity 25 KVA to 160 KVA from installed position on four pole/two pole/platform, after disconnecting electric supply from HV and LV sides for taking to factory/workshop for rewinding and to carry out necessary repairs as on required basis, providing all insulating material like sleeves, tapes, kerb tapes, cork sheet etc, after checking and make functional of tap changer including replacement of unserviceable item (if required) as directed and installing in its original position and making all electric connections with thimble & PG clamps and testing complete all as specified and as directed by Engineer-in-charge.

All as per srl item No 09 here-in-before but capacity of transformer 200-500 KVA complete all as specified and as directed by Engineer-in-charge.

All as per srl item No 09 here-in-before but copper / Aluminium wound, capacity of transformer 630-1250 KVA complete all as specified and as directed by Engineer-in-charge. Notes for srl No-09 to 11 : (i) Labour component required for the repalcement of unserviceable parts shall be deemed to be included in the unit rate quoted against this item (ii) Major parts (as required) shall be measured and paid separately under appropriate item of this Sch ‘A’ as supply only. (iii) Transformer oil shall be measured & paid separately under relevant item. (iv) T&P and minor parts shall be arranged by the contractor and the cost thereof shall be deemed to be included in the unit rate quoted against this item. (v) Rates are deemed to be inclusive of checking and make functional of WTI OTI, Buchholz relay including replacement of unserviceable item fixed in any Transformer.

Labour for on site rapair of transformer 11 KV/433 volts oil cooled aluminium/copper wound of capacity 63 KVA to 500 KVA from installed position on four pole/two pole/platform, after disconnecting electric supply from HV and LV sides and necessary repairs as on required basis on ground, providing HT/LT bushes, HT/LT brass rod, cork sheet and any lead boken both side, making all electric connections with thimbles/PG clamps and testing complete all as specified and as directed by Engineer-in-charge. Note:- (i) Parts (as required) shall be measured and paid separately under appropriate item of this Sch ‘A’ as supply only (ii) T&P and minor parts will be arranged by the contractor and the cost thereof shall be deemed to be included in the unit rate quoted against this item.

Labour for on site rapair of transformer 11 KV/433 volts oil cooled aluminium/copper wound of capacity 630 KVA to 1250 KVA from installed position on platform, after disconnecting electric supply from HV and LV sides and necessary repairs as on required basis on ground, providing HT/LT bushes, HT/LT brass rod, cork sheet and any lead boken both side, making all electric connections with thimbles/PG clamps and testing complete all as specified and as directed by Engineer-in-charge. Note:- (i) Parts (as required) shall be measured and paid separately under appropriate item of this Sch ‘A’ as supply only (ii) T&P and minor parts will be arranged by the contractor and the cost thereof shall be deemed to be included in the unit rate quoted against this item.

Supply and fix in replacement HV leg coil with insulation for aluminium wound transformer with aluminium strips, nuts and bolts for connections complete all as specified and as directed by Engineer-in-charge.

All as per item No 14 here in before but for LV leg coil complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement HV leg coil with insulation for copper wound transformer with copper strips, nuts and bolts for connections complete all as specified and as directed by Engineer-in-charge.

All as per item No 16 here in before but for LV leg coil complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement HT bushing assembly including brass Bush rod with nut and bolts inclusive of insulation washer etc with accessories for transformer of capacity upto 500 KVA complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement LT bushing assembly including brass, bush rod with nuts, bolts inclusive of insulation washers etc with accessories for transformer upto 160 KVA complete all as specified and as directed by Engineer-in-charge.

All as per item No 19 here in before but for 200-500 KVA transformers complete all as specified and as directed by Engineer-in-charge.

All as per item No 19 here in before but for 630-1250 KVA transformers complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement of Temperature gauge of 0 degree C to 100 degree Celcius complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement of Breather assembly complete including silica gel for transformer of capacity up to 63 KVA to 500 KVA complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement Silica Gel blue in crystal complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement Tap changing assembly complete with gear for transformer of capacity upto 200 KVA complete all as specified and as directed by Engineer-in-charge.

Supply and fix in replacement Tap changing assembly complete with gear for transformer of capacity 250 to 500 KVA complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of external surface of distribution transformer up to 1250 KVA capacity and applying one coat of synthetic enamel paint (grey) Ist quality as approved by Engr-In-Charge with gun sprayer including marking of MES No/Transformer No etc., with enamel paint (white) complete all as specified and directed by Engineer in charge.

Supply and fix in replacement / Topup transformer oil (confirming to IS-335/93) having dielectric strength not less than 60 KVA complete (in sealed barrel) all as specified and as directed by Engineer-in-charge. Make:- Power oil, Castrol or equivalent out of makes specified in list of makes. Note: Test report for transformer oil from manufacturer shall be submitted

Supply only Cork sheet gasket 5 mm thick superior quality of size 1m x 1m on top cover plate of the transformer capacity 25 KVA to 500 KVA complete all as specified and directed by Engineer in charge.

M&L for filtration / dehydration of transformer oil as required in the transformers of different capacity, installed at various locations with suitable capacity of filtration machine to achieve dielectric strength minimum 60 KVA complete all as specified and as directed by Engineer-in-Charge. Note: (i) All necessary T&P / testing equipment will be provided by the contractor at his own cost. No extra payment will be paid to the contrator. (ii) Transformer Oil will be paid under relevant item.

S&F in replacement of Oil Temparature Indicator (OTI) 0-150C suitable for power/distribution transformer complete all as specified and as directed by Engineer-in-Charge.

S&F in replacement of Winding Temparature Indicator (WTI) 0-150C suitable for power/distribution transformer complete all as specified and as directed by Engineer-in-Charge.

M & L for 40mm graded stone coarse aggregate including spreading around the outdoor electrical installation complete all as specified and as directed.

Supply, lay ,testing cross linked poly-ethylene (XLPE) insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable ( heavy duty) with stranded aluminium conductor, 11000 volts grade of cross-sectional area 120 Sqmm x3 core laid in trenches/through pipe in road crossings/ paths /drains /ducts /floors /along poles/walls/ceilings/ equipments etc and fixing with suitable clamps made out of aluminium strip of size 25mm x 3mm circuit indicating tags made out of GI sheet 16 gauge of size 10cm x 5cm fixed along the route of cable at a distance of 30 meter and at turning points, supplied, fixed in replacement of old unserviceable HT UG cable, laid and tested complete all as specified and as directed by Engineer-in-Charge. (Note :- (i) Necessary excavation and earth work, brick protection, sand cushioning and cover and GI pipe shall be measured and paid for separately.(ii) Road cutting/floor cutting/cutting holes etc in wall required for laying /fixing of cable etc shall be made good as per existing site condition. Nothing extra shall be admissible on this account and quoted rate for this item shall be deemed to include for the same)

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 of sizes 2m x 1m complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement cable jointing kit for HT 11KV cable for indoor end termination , heat shrinkable type joint kit complete with jointing material and accessories suitable for 240 Sqmm to 300 Sqmm 3 core XLPE armoured aluminium conductor cable including testing after jointing, fixing in replacement complete all as specified as directed by Engineer-in-Charge.

All as per Serial item No 36 here in before but suitable for 120 Sqmm to 185 Sqmm 3 Core cable complete all as specified and as directed by Engineer-in-Charge.

All as per Serial item No 36 here in before but suitable for 50 Sqmm to 95 Sqmm 3 Core cable complete all as specified and as directed by Engineer-in-Charge.

Material & labour for cutting of vegetation surrounding Transfromer, LT Panel, Two Poles structures, Four pole structures at various sub stations / E&M installation and remove to a distance, not exc. 250mtr all as per direction of Engineer in Charge. Note:- All old unserviceable item retrieved from the above is deposited to AGE E/M Yard.