REPAIR / MAINTENANCE OF HT TRANSFORMER, CAPACITOR, PANEL VCB/OCB/VLE AND ALLIED SERVICES UNDER GE(C) KOLKATA

Amount

NOTE :The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates.

Disconnecting HT/LT connection of transformer and opening up the top cover of transformer of capacity 100 KVA to 630 KVA for checking the conditions to carryout repairs at site, including draining out oil from the transformer in suitable container (containers to be provided by the contractor) and repair to the transformer with replacement of parts (as required), checking the lead connection from winding to bus rods including necessary soldering/jointing etc and after complete repair refilling the dehydrated oil, replacing perished gasket with new gasket of same size and testing on full load after connecting the HT/LT connections complete all as directed by GE/AGE Notes :(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 under shall be measured and paid separately under appropriate item of this BOQ (iii) Dehydration/ filtration of transformer oil shall be measured and paid separately under relevant item of this BOQ’ (iv) 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 (v) Rate deemed to be inclusive of securing the cables on HT/ LT side for tension free at cable entry box.

Supply only LT Bush insulators as per existing size and shape for 100 to 200 KVA capacity transformers complete all as specified and as directed.

Supply only LT Bush insulators as per existing size and shape for 250 to 300 KVA capacity transformers complete all as specified and as directed.

Supply only LT Bush insulators as per existing size and shape for 315 to 630 KVA capacity transformers complete all as specified and as directed.

Supply only of gasket (set of four) for LT bushing as per existing size & shape complete for 100 to 200 KVA capacity transformers complete all as specified and as directed.

Supply only of gasket (set of four) for LT bushing as per existing size & shape complete for 250 to 300 KVA capacity transformers complete all as specified and as directed.

Supply only of gasket (set of four) for LT bushing as per existing size & shape complete for 315 to630 KVA capacity transformers complete all as specified and as directed.

Supply only top cover gasket set as per existing size and shape complete for 100 to 200 KVA capacity transformers.

Supply only top cover gasket set as per existing size and shape complete for 250 to 300 KVA capacity transformers.

Supply only top cover gasket set as per existing size and shape complete for 315 to 630 KVA capacity transformers.

Supply only temperature gauge of range 0 to 200oC for indication of temperature rise in transformer oil for transformers upto 500 KVA capacity.

Supply only LT stud as per existing size and shape for 100 to 200 KVA capacity transformers complete all as specified and as directed.

Supply only LT stud as per existing size and shape for 250 to 300 KVA capacity transformers complete all as specified and as directed.

Supply only LT stud as per existing size and shape for 315 to 630 KVA capacity transformers complete all as specified and as directed.

Supply only breather including of silica gel as per existing specification in sealed bag for transformer up to 630 KVA capacity complete all as specified and directed.

M & L for preparation of old painted steel or iron surfaces of transformer of any capacity by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer capacity 100KVA to 630KVA with black synthetic enamel thick paint in white back ground complete all as specified and directed

Supplying transformer oil ISI marked in sealed containers for transformers oil, confirming to IS-335 with dielectric strength of not less than 40 KV and testing for strength including recording results complete all as specified. Note:- (i) Purchase vouchers alongwith manufacturer's test certificate shall be produced to GE. (ii) Nos of sealed containers shall be recorde in MB Make:- CASTROL/IOCL(SERVO)/HP

Labour & equipment for de-hydration and filtration of transformer oil to improve the di-electric strength (not less than 50 kV) including recording results complete all as specified. Note:- Transformer oil shall be filter though portable/movable type transformer oil filtration machine and cost of the same shall be deem to be included in quoted rate

Material, Labour in repair of earthing complete with galvanized steel earth plate electrode 600 x 600 x 6mm thick buried directly in ground vertically to a depth not less than 2.25 mtr deep below the normal ground level, connected with and including galvanized earth strip of size 32 x 6mm thick connected to main test point as directed as earthing lead by means of nuts, bolts, washers of galvanized iron protected by 40mm dia (light grade) GI tubing, funnel, wire mesh, 20mm bore GI tubing (medium grade) watering pipe including concrete pit in PCC (1:3:6) type C-1, precast RCC (1:2:4) type B-1 cover slab of size 350 x 350 x 50mm reinforced with 8mm dia TMT bars @15 cm c/c in both ways and 10mm dia MS handle (01 No) of suitable size for lifting of cover slab, charcoal and salt in alternative layers including necessary excavation and earth work in soft/ loose soil all as shown in Electric Plate No. 3 of SSR Part - I and testing on complete all as specified and directed. Notes : (i) The unit rate shall include for GI water pipe, protection pipe, wire mesh, funnel, excavation, RCC pit cover, PCC, test point, earth srip from top of earth plate upto 7.5 metre ground level (ii) PCC pit shall be provided at least 1.5 mtr away from the earth pit and not just on the earth pit and extra cost of additional length of water pipes and fixing junction, elbows etc. shall be deemed to be included in the unit rate.

Supply and fixing of drop out expulsion fuse assembly single pole 25 to 50 Amp capacity, 11000 Volts grade after taking out old unserviceable one complete all as specified and directed.

Material and labour for taking out of burnt primary / secondary copper windings of HT 11 KV transformer and cleaning all the limbs, replacing with the same with fine enamelled bare copper conductor as per relevant BIS of same gauge size, turns and weight and keeping the same into the hot air oven till the moisture evoporates for working complete all as specified and directed. Note: Rates quoted deemed to be inclusive of all Misc items such as cotton tape, warnishing, impregnated paper etc.

Material & Labour for off load tap changer switch suitable for transformer of capacity 100 to 630 KVA complete all as specified and directed.

Material & Labour for HV bushing with brass terminal with nuts and washer and sheet gasket suitable for transformer of capacity 100 to 630 KVA complete all as specified and directed.

Dismantling old unserviceable gang Operated Air breaker Switch from two pole / four pole structure ,and supply & fixing gang operated air breaker switch ,triple pole, mechanically operated , mounted on insulators and steel frame with operating mechanism worked from ground level using heavy duty GI pipe, for current rating 200 amps, out door type (confirming to IS specifications) HT 11 Kv , triple pole with fixed contacts of phosphorous and bronze and a set of drop out HT fuse Assembly , Fuse carrier fitting , 9 insulator type mounted on MS channel operating rod with pad lock arrangement complete all as specified and as directed. Note: Rates quoted deemed to be inclusive of all equipment such as crane & transported vehicle

Repair and overhauling of 11/6.6 KV any capacity VCBs of Receiving/Distribution System with dusting/cleaning by smooth brushing or dry cotton and lubricating of movable mechanism suitably with oil/grease and replacement of unserviceable/burnt out/worn out spare parts with new one as per existing make, duly commissioned in the VCBs at 11/6.6 KV Bulk Receiving Centre including necessary inspection, reassembling , testing , re-commissioning, etc complete for smooth functioning of the equipments to ensure desired result including taking down/dismantling of existing unserviceable spares parts of VCB/Capacitor Banks all as directed by Engineer-in-charge.

All as per ser no 26 but 6.6/11 KV CSS RMU upto 250 KVA

All as per ser no 26 but 6.6/11 KV CSS RMU 250 KVA to 400 KVA Note for item no 26 to 28: (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 under shall be measured and paid separately under appropriate item of this BOQ . (iii) 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 . (iv) Repair, overhauling & testing of VCB/CSS/RMU shall be carried out by authorized competent persons of OEMs or their accredited/ authorised agencies and contractor shall be submitted supporting document of authorized representative of existing VCB/RMU/CSS to GE . The service charge of OEM shall deem to be included in above quoted rate. (v) The cost of transportation/servece of engineer and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract. The cost of the same is deemed included quoted rates and no extra cost shall be paid to the contractor in this effect.

Supply only Motor for SPRING charging with gear complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Big & Small gear complete all as specified and as directed.. Make : As per existing OEM as approved by GE

Supply only of Trip & Close Coil 110 VDC or as per existing volt rating complete all as specified and as directed.. Make : As per existing OEM as approved by GE

Supply only of Holding Base from Mould (Epoxy Mould) complete all as specified and as directed.. Make : As per existing OEM as approved by GE

Supply only of ISO Lating Contacts with brass ring complete all as specified and as directed.. Make : As per existing OEM as approved by GE

Supply only of Spout Bushing complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Vacum Intermpter complete all as specified and as directed.. Make : As per existing OEM as approved by GE

Supply only of Power Pack 110 VAC220 Volt DC complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of T.N.C. Switch complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Close, Trip system shaft mechanism complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Auxiulary Switch 12 Way (6No/6NC) complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Spare Mechanism with Motor gear complete all as specified and as directed. Make : As per existing OEM as approved by GE

Supply only of Trivector Meter, 3PH, 3W TVM 110V (L-L) 5A CL0.5S BM RS 485 complete all as specified and directed. Make : L&T, Cat No WR200BB52RS or equivalent Model of AE/ KAYCEE/SECURE METERS/HPL

Supply only of Indicator lamp, LED type of colour red, blue and yellow complete all as specified and directed

Supply only of current Transformers(CTs) 50-25 / 5 +5A : 5/1+15/5 P10 comply with IS 2705 complete all as specified and directed. Make : As per existing OEM as approved by GE

Supply only of current Transformers(CTs) 150-50 / 5 +5A : 5/1+15/5 P10 comply with IS 2705 complete all as specified and directed. Make : As per existing OEM as approved by GE

Disconnecting HT/LT connection of existing VLE link switch (of make MEI), taking out transformer oil, defective / worn out parts, cleaning up of the tank by removing oil, sludge, replacement of defective / worn out parts, filling of old transformer oil after dehydration and filtration (to achieve the di-electric strength not less than 50 KV), filling up new transformer oil (in addition, if any) for topping up, re-connecting all electrical connections and testing complete all as directed by GE/AGE Note for item no:(i) Labour component required for the replacement of unserviceable parts shall be deemed to be included in the unit rate quoted against this item (ii) Major parts as under shall be measured and paid separately under appropriate item of this BOQ (iii) Dehydration/ filtration of transformer oil shall be measured and paid separately under relevant item of this BOQ’ (iv) 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 . (iv) Repair, overhauling & testing of VCB shall be carried out by authorized competent persons of OEMs or their accredited/ authorised agencies and contractor shall be submitted supporting document of authorized representative of existing VCB to GE . The service charge of OEM shall deem to be included in above quoted rate.

Supply only of HT link fuse (barrel fuses), of capacity 45 Amps, suitable for VLE switch complete all as specified and directed.

Supply only of HT barrel fuses, of capacity 40Amps, suitable for VLE switch complete all as specified and directed.

Supply only of oil level indicator suitable for VLE switch complete all as specified and directed.

Supply only of gasket for top cover suitable for VLE switch complete all as specified and directed.

Supply only of gasket for top cover of Tee off switch suitable for VLE switch complete all as specified and directed.

Supply, fixing and repair of lightening arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 Kilo Amp of rating 11 KV complete all as specified and as directed.

Supply and laying of XLPE insulated (Earthed), screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 150 Sq mm, 3 core complete all as specified and as directed.

Supply and laying of XLPE insulated (Earthed), screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 120 Sq mm, 3 core complete all as specified and as directed.

Supply and laying of XLPE insulated (Earthed), screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 95 Sq mm, 3 core complete all as specified and as directed.

Supply and laying of XLPE insulated (Earthed), screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 70 Sq mm, 3 core complete all as specified and as directed.

Supply, jointing and testing of cable jointing kit for 11KV(Earthed) grade cable for indoor termination cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armored Aluminium conductor cable of size 120-150 Sqmm complete all as specified and as directed.

Supply, jointing and testing of cable jointing kit for 11KV(Earthed) grade cable for indoor termination cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armored Aluminium conductor cable of size 70-95 Sqmm complete all as specified and as directed.

Supply, jointing and testing of cable jointing kit for 11KV(Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armored Aluminium conductor cable of size 70-95 Sqmm complete all as specified and as directed.

Supply, jointing and testing of cable jointing kit for 11KV(Earthed) grade cable for straight through hot shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armored Aluminium conductor cable of size 120 to 150 Sqmm complete all as specified and as directed.

Supply, jointing and testing of cable jointing kit for 11KV(Earthed) grade cable for straight through hot shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armored Aluminium conductor cable of size 70-95 Sqmm complete all as specified and as directed.

Excavating in trenches n. exc 1.5m wide and not e. 1.5m in depth for foundation of poles, laying under ground cables, etc and getting out in soft/loose soil complete as specified and directed.

Returning, filling in, including spreading leveling watering and well ramming in layers not exc 25 cm as in soft / loose soil complete as specified and directed.

Removing excavated material not exc. 50 m and depositing where directed at a level not exc 1.5 m above the starting point in soft / loose soil complete as specified and directed.

Material & Labour of sand cushioning to the full width of trenches for protection of cables including punning down complete all as specified. Note :- Thickness of sand cushioning shall be measure after punning down.

Supplying and laying reinforced precast concrete cable cover, class HV type - 1 flat, size 300mmx l80mm x 40mm complete all as specified and directed.

Supply, fixing and repair of Galvanised steel tubing, light grade, with fittings and MS clamps, nuts, bolts etc of 80 mm dia bore for cable protection on pole, road crossing or ground in pillars for fixing gate light etc complete all as specified.

Supply, fixing and repair of Galvanised steel tubing, light grade, with fittings and MS clamps, nuts, bolts etc of 100 mm dia bore for cable protection on pole, road crossing or ground in pillars for fixing gate light etc complete all as specified.

Supplying, installation and errecting of steel tubuler swaged welded pole complete with MS base plate of 6 mm thick of size 300 mm x 300mm, finial taper plug, pole cap bolts, nuts and washers and screwed, pole made out of ERW MS Tubing confirming to IS-2713 (Part-II) 1980 type 410 SP-55 (11 meters long) HT poles ISI Mark including drilling of holes of required size and for fixing of cross arms, painting with one coat of red oxide primer and two coats of aluminium paint on exposed surfaces and two coats of black bituminous paint for portion embeded in concrete, painting including dismantling and taking out old poles complete all as specified and directed. Note :- Excavation, earth work & concrete shall be measured and paid separately.

Material, Labour for plain cement concrete (1:3:6) type C-2 ( with using 40 mm graded stone aggregate) as in foundation of poles including necessary form work complete all as specifed and directed.

Material, Labour for plain cement concrete (1:2:4) type B-1( with using 20 mm graded stone aggregate) as incoping complete all as speceifed and directed.

Material, Labour for finishing the exposed plaster in CM (1:6), 10mm thick & finished even & smooth without using extra cement complete all as speceifed and directed.

Supply & fixing of high dielectric strength SMC Chequred plate for 11 KV of 3.00 mm thick of 1.00 m width with EOP foam and fixed on floor with adhasive complete all as specified and directed. Make:- GSCQ -1010-3 of Sintex

Supply & fixing of high dielectric strength SMC drain cover for 11/6.6 KV of 3.00 mm thick of 0.75 m width complete all as specified and directed. Make:- GSCQ -1010-3 of Sintex

Supply and laying of 2.5 mm thick synthetic insulating mat/sheet for 11 KV/ 6.6 KV substations all as specified in SSR Part-I clause no 19.23A and IS 15652 complete all as speceifed and directed.

Supply and fixing of MS Cross arms, bracings, supports etc. incl nuts, bolts, washers, welding, bending, drilling including application two coats of aluminium paint over a coat of red oxide primer after preparation of surface including taking down old steel members complete all as specified and directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

TOTCO

INDIA ELECTRICAL EQUIPMENTS

HAMZA CONSTRUCTION CO

M/S J S ENTERPRISES

REMCO

M/S S S ENTERPRISE

BHARUKA ENTERPRISES

general electricals