CWEK-39 2021-22

Amount

Excavating in trenches, not exceeding 1.50 metre wide and not exceeding 1.50 m in depth for foundation etc. or for shafts, wells, cesspits, manholes, port holes etc. not exceeding 10 sq.m on plan and not exceeding 1.50 m in depth and getting out in soft/loose soil, complete all as specified and as directed .

Removing excavated soil to a distance not exceeding 50 metre and deposited where directed at a level not exceeding 1.5m above the starting point, complete, all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soil of any description, complete, all as specified and as directed.

Sand cushioning to underground cables 8 cm below the cable before laying and 15 cm above the cable after laying, complete all as specified in clause 19.75 of SSR Part-I. Note :- 1. Dry fine sand of best available quality shall be used. 2. Punned thickness shall be measured and paid.

Material and labour Sub class ‘B brick, old size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning, with width equal to the length of the brick, complete all as specified and directed.

Supplying and laying un-reinforced precast cement concrete cable cover, class HV, Type 1 with peak, size 300mm x 180 mm x 40 mm, complete, all as specified and as directed.

Material and Labour for Decarbonising / cleaning complete of HT 11KV 3 phase bus bar and bus bar chamber, all electrical connections complete HT VCBs/OCBs/Bus coupler arrangement after removing the bus bar spout, cleaning with petrol and CRC 226 spray solution and ensure proper de-carbonisation, refixing the same after completion. (Note:- Required spare parts are measured and paid separately)

Disconnecting and taking out defective under ground cable from trenches, pole, pipe, floor, wall etc. of any size and description complete, all as specified and as directed.

Calibration and testing of IDMT relays like earth fault, over load relay installed in sub station on HT VCBs/OCBs 11 KV panel and testing through recognised agencies by means of secondary injection method, setting of relay timings and play settings and fixing back the relays in position complete, all as specified and as directed.

Supply and erection of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP- 55 (11 metres long ) including two coat of black bituminous paint internally throughout and externally upto embedded portion and applying two coats of synthetic enamel paint over a coat of red oxide primer with black and white strip of 30 cm each upto 1.50 metre height and two coats of aluminum paint over a coat of red oxide primer externally on remaining exposed surface after preparation of surface and eraction in position, complete all as specified and directed. (Excavation and earth wok, PCC for foundation and coping, channel, clamps nuts, bolts to be measured and paid separately ).

Supply and erection of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP- 31 (09 metres long) including two coat of black bituminous paint internally throughout and externally upto embedded portion and applying two coats of synthetic enamel paint over a coat of red oxide primer with black and white strip of 30 cm each upto 1.50 metre height and two coats of aluminum paint over a coat of red oxide primer externally on remaining exposed surface after preparation of surface and eraction in position, complete all as specified and directed. (Excavation and earth wok, PCC for foundation and coping, channel, clamps nuts, bolts to be measured and paid separately ).

Dismantling, disconnecting and taking down old unserviceable insulators any type and size from HT/LT poles/stays, etc. and removal from site complete, all as specified and directed.

Supply and fixing Pin type, porcelain, vitreous, brown insulator including one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 volts grade HT over head line, complete all as specified and directed.

Supply and fixing Pin type, porcelain, vitreous, brown insulator including one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut, 50 mm height, 100 mm dia for 1100 volts grade LT over head line, complete all as specified and directed.

Supply and fixing single Disc type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown, assembly for tension with tension clamps for conductors, 11000 volts complete all as specified and directed.

Material and labour for shackle type Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, 150 mm height, 150 mm dia for 11100 volts grade complete all as specified and directed.

Material and labour for shackle type Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, 75 mm height, 90 mm dia for 1100 volts grade complete all as specified and as directed.

Material and labour for Pin type Porcelain, vitreous, white brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 50mm height, 100 mm dia for 1100 volts grade.

Material and Labour for Loop type insulator, vitreous porcelain, white, brown or green large size, with overall dimensions 140mm, clearance of hole 25.5mm complete all as specified and as directed.

Material and Labour for Switch air break, gang operated triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps 11000 volts complete all as specified and as specified.

Material and Labour for Switch air break, gang operated triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 amps 11000 volts complete, all as specified and as specified.

Material and labour in repair of lightning arrester expulsion type, suitable for 11000 Volt with all fittings, transmission class, discharge capacity 65 KA including connecting with HT line, complete, all as specified and directed.

Material and labour of danger notice plate of size 25x20 cm made from mild steel sheet 1.60 mm thick as per IS : 2551 of 1982, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS flat clamps 25x3mm, 2Nos, bolts and nuts of approved size, complete, all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination, cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 50 sqmm to 95 sqmm complete, all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination, cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 120 to 185 sqmm complete, all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 50 sqmm to 95 sqmm complete, all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination, cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 120 sqmm to 185 Sqmm complete, all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination Heat shrink type End joint kit complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Material and labour straight through jointing kit for 11 KV (Earthed) grade cable Heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination Heat shrink type End joint kit complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply and fixing galvanised steel wire 4mm dia for guarding of HT/LT over head line unnecessary cradles, hexagonal/rectangular, fabricated complete with 3% auth sag and as directed including taking down of old one.

Dismantling old and unserviceable stay assy complete comprising of stay clamp, stay wire, stay insulator, stay grip, thimble, bow, stay rod 16 mm dia and stay plate etc. including breaking of cement concrete complete all as specified and directed.

Supply an fixing stay assembly complete with all accessories such as stay plate 300mmx300mmx6mm, stay rod 20 mm dia and 215cm long threaded end with nut including 14mm dia GI stay bow. turn buckle, etc. complete, all as shown in Electrical plate No 1 of SSR part I 2009 complete, all as specified and as directed. Note- The quoted rate shall include the cost of loop type insulator, stay clamps, excavation, PCC, stay wire, stay bow, turn buckle, nuts etc. complete.

Material and labour in repair of Galvanised stay strand wire of size 7/4mm complete, all as specified and as directed.

Dismantling and taking down old unserviceable cross arms, clamps, bracing, etc. of any section from pole including nuts, bolts, washers, complete, all as specified and as directed. Note :- Cost of cutting of bolts (slag bolts) if reqd shall deemed to be included in the unit rate quoted for this item.

Material and labour for cross arm bracing supports, clamp and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot, drilling hole for bolts in any shape or size as indicated or directed including two coats of aluminum paint over a coat of red oxide complete, all as specified and as directed.

Material and labour for plain cement concrete 1:4:8 type D-2 (using 40 mm graded mechanically crushed stone aggregate), as in foundation filling and mass concrete, complete, all as specified and as directed.

Material and Labour for plain cement concrete 1:2:4 type B-1 (using 20 mm graded mechanically crushed stone aggregates) as in fixing of hold fast, copings, bed plates and the like, finished the surface fair and even, including necessary form work, complete, all as specified and as directed.

Material and labour for plain cement concrete 1:3:6 type C-2 (using 40 mm graded mechanically crushed stone aggregate), as in foundation filling and mass concrete, complete, all as specified and as directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cmX60cmX6.0mm thick, buried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of the plate not less than 1.5mtr below normal ground level connected to GI earth strip of size 32x6 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron complete earth pit of PCC M-10(Nominal mix) using 20mm graded stone aggregate, 50mm thick earth pit cover of RCC M-15 (Nominal mix) using 20mm graded stone aggregate with MS TMT reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape, GI funnel, wire mesh and 20mm bore GI water pipe light grade and 40mm bore light grade GI pipe for protection of earth strip from plate to main switch board, common salt, charcoal dust including testing on completion complete all as specified and as directed all as shown in electrical plate No. 3 including testing on completion and making good the disturbed surfaces of wall floors etc. without claiming extra cost all as directed by Engr-in-Charge. (Note: GI strip & GI pipe beyond 7.5Mtr length from earth electrode shall be measured and paid separately).

Material and labour PVC spacer suitable for 2 wire HT OH line including taking down of old one complete, all as specified and as directed.

Material and labour PVC spacer suitable for 3 wire HT OH line including taking down of old one complete, all as specified and as directed.

Material and labour PVC spacer suitable for 4 wire LT OH line including taking down of old one complete, all as specified and directed.

Dismantling old unserviceable pre-stressed concrete pole /Tubular steel pole and taking out base plate, clamps, insulators, cross arms, stud, etc. and removal from site complete, all as specified and directed.

Material and labour for painting to existing steel tubular LT poles, 9.00m long including cross arms, channels, angle iron support, bracings, clamps etc. applying one coat of synthetic enamel paint with black and white strip (paint alternately) of 30 cm each upto 1.50 metre height above PCC benching and one coat of aluminum paint externally on remaining exposed surface after preparation of old painted surface etc. complete and writing pole numbers 2 inches bold letters with black paint after painting, complete all as specified and directed.

Material and labour for painting to existing steel tubular LT poles, 11.00m long including cross arms, channels, angle iron support, bracings, clamps etc. applying one coat of synthetic enamel paint with black and white strip (paint alternately) of 30 cm each upto 1.50 metre height above PCC benching and one coat of aluminum paint externally on remaining exposed surface after preparation of old painted surface etc. complete and writing pole numbers 2 inches bold letters with black paint after painting, complete all as specified and directed.

Material and labour for painting to existing 2 poles structure including cross arms, channels, angle iron support, bracings, clamps etc.and applying one coat of aluminum paint externally on remaining exposed surface after preparation of old painted surface etc. complete and writing pole numbers 2 inches bold letters with black paint after painting and two coat of white wash on PCC coping, complete all as specified and directed.

Supply and laying GI pipe 80 mm bore, light grade with fitting for cable protection at road crossing/under concrete, fixed to wall/poles including taking down of old one complete, all as specified and directed.

Supply and laying GI pipe 50 mm bore, light grade with fitting for cable protection at road crossing/under concrete fixed to wall/poles including taking down of old one complete, all as specified and directed.

Supply and laying GI pipe 40 mm bore light grade with fitting for cable protection at road crossing/under concrete including taking down of old one complete all as specified and directed.

Supply and fixing in repair, of lugs or thimbles suitable for 25 Sqmm to 70 sqmm aluminum conductor cable suitable 1100 volts LT Cable complete, all as specified and as directed.

Supply and fixing in repair , of lugs or thimbles suitable for 95 Sqmm to 185 sqmm aluminum conductor cable suitable 1100 volts, LT Cable complete, all as specified and as directed.

Disconnecting HT/LT cable and earthing connections of burnt/defective transformer of capacity 50 KVA to 500 KVA,11 KV/433 Volts, 3 phase from pole/floor mounted, taking from site of installation carefully with the help of Crane and transportation of the same to workshop for repairs, draining out the transformer oil, dismantling complete and taking out the core assembly and removing burnt out windings, dehydrating the core assembly, repair of complete gasket set, reassembling transformer after repair, refilling the oil duly filtered / dehydrated, topping up with new oil, carrying out routine tests, including transportation back to site, Testing and commissioning of the repaired transformer at site on full load after making cable and earthing connections complete all as specified and directed. Note: (a) The quoted rate quoted for the item includes the following :- (i) Arrangement of manpower, tools and plants and Recovery vehicle for transportation and shifting of transformer to work shop and back. (ii) Toping up of transformer oil, dehydration of transformer oil, if required shall be carried out under this item.. (iii) Re-winding of defective winding of transformer, if required shall be carried out under this item . (iv) Any damage occurred to transformer during the process of disconnecting / taking down/ transportation, shall be made good by the contractor at his own cost to the entire satisfaction of the Engr-in-Charge.

Hiring charges of serviceable transformer of the same capacity and description as of existing capacity transformer under repair including installation and testing and shifting back to workshop after installation of repaired transformer . Note:- (1) Repairing of transformer shall be done within 15 days from the date of dismantling from original site, (2) Contractor shall not be allowed to shift hired transformer until it is replaced by original one. (3) Hired transformer shall meet the specification of existing transformer i.e. voltage, vector group, impendence etc. (4) Cost of transportation, installation and testing of hired transformer shall deemed to be included in the quoted rate. (5) Incase the defective/unserviceable transformer is not repaired with in stipulated period of 15 days a penalty of Rs 1000/- per day will be deducted from the contractor dues.

Material and labour for rewinding of LT side winding with copper strip/wire of suitable size/gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc. complete all as specified and directed.

Material and labour for rewinding of HT side coil with supper enameled Copper wire of suitable size/gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc. complete all as specified and directed .

Disconnecting HT/LT cable/busbar and Earthing connections complete of transformer capacity up to 63 KVA, 11 KV/433 Volts 3 phase from pole/floor/transformer shed with the help of Crane to carry out complete maintenance of transformer comprising of the following:- (i) Draining out transformer oil from chamber. (ii) Opening top cover, disconnecting winding connection from bushings and taking out carefully core assembly complete with winding. (iii) Checking compactness of core & tightening the same where required. (iv) Chemical washing of winding to remove dirt, dust & carbon particles (v) Cleaning of oil tank to remove oil sludge followed by painting of inner surface of tank with zinc chromate base paint (vi) Refixing of core & winding assembly and making connection with HT/LT bushing . (vii repair of worn out gaskets & nut/bolts. (Note: Overhauling of transformer should be done on existing installation place on same days)

All as per serial item No. 61 above but transformer capacity from 100 KVA to 200 KVA.

All as per serial item No. 61 above but suitable for transformer capacity 250 KVA to 400 KVA.

Material and Labour for preparing the surfaces of transformer of capacity up to 63 to 100 KVA by rubbing old paint, removing oily and applying two coats of spray painting with grey deco paint from outside complete all as specified and as directed. Note. Painting of transformer will be carried out for plinth mounted and pole mounted transformer. Necessary tools and plants shall be arranged by the contractor. Shut down schedule for painting of transformer will be submitted in advance to plan shut down in the station. including writing MES / SM No with enameled paint complete all as specified and as directed for transformer of rating upto 100 KVA (Indoor/outdoor type).

All as per serial item No.64 above but 200KVA to 250KVA (Indoor / outdoor type).

All as per serial item No.64 above but 300 KVA to 400 KVA (Indoor / outdoor type).

Supply and fixing in repair, silica gel breather assembly with vent pipe complete with fresh blue coloured for transformer of capacity 50 KVA to 200 KVA complete all as specified and directed.

All as per item No. 67 above but suitable for transformer capacity 250 KVA to 400 KVA. complete all as specified and directed.

Dismantling of old Burnt Tap changer and Supply and fixing new tap changing switch as per existing size including making connection to transformer of various capacities/ make complete all as specified and as directed.

Supply and replacing HT/LT side cable box cover plate made out of MS sheet of 16 SWG complete with nuts, bolts, washers suitable for indoor/outdoor type transformer of capacity 63 KVA to 400 KVA complete all as specified and as directed.

Supply and fixing in repair, HT bush assembly brass complete with brass spindle, nuts, bolts, washers etc. without bushing insulators suitable for transformer of capacity 50 KVA to 63 KVA complete all as specified & as directed.

All as per serial item No.71 above but transformer capacity from 100 KVA to 200 KVA.

All as per serial item No.71 above but transformer capacity from 250 KVA to 400 KVA.

Supply and fixing in repair, LT bush assembly brass complete with brass spindle, nuts, bolts, washers etc. without bushing insulators suitable for transformer of capacity 50 KVA to 63 KVA complete all as specified & as directed.

All as per serial item No. 74 above but transformer capacity from 100 KVA to 200 complete all as specified & as directed. KVA.

All as per serial item No. 74 above but transformer capacity from 250 KVA to 400 complete all as specified & as directed. KVA.

Supply and fixing in repair 11KV porcelain bushing insulators for HT side of out door/indoor type transformer complete all as specified and directed.

Supply and fixing in repair drain plug of suitable size, complete all as specified and directed.

Supply and fixing in repair of rubberized cork sheet gasket 6mm thick for top cover and HT/LT bushes complete all as specified and directed for transformer upto 400 KVA capacity including replacement of nuts and bolts where required complete all as specified and directed.

Supply and fixing in repair of Oil level indicator complete with glass, gasket, bolts, nuts, washer etc. suitable for transformer of any capacity and description complete all as specified and directed.

Material and labour for loose filling with broken trap stone hard core of gauge n.exc 63mm, deposited, spread and leveled in layers n.exc 15 cm thick, around 4 pole/2 pole structures complete all as specified and directed. (The contractor shall stack the stones near the substation for necessary measurement)

Supply and fixing in repair of D.F. Buchholz Relay complete all as specified and directed.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 Volts grade, cross sectional area 95 Sqmm 3 core ISI marked, suitable for 11 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 Volts grade, cross sectional area 120 Sqmm, 3 core ISI marked suitable for 11 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 50 sq. mm 3.5 core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 16 sq. mm 4.0 core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 10 sq. mm 2.00 core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 35 sq. mm 3.5core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 25 sq. mm 3.5core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 16 sq. mm 2.0 core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply, laying 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 10 sq. mm 2.0 core ISI marked in trenches, floors, ducts passing through pipe for road crossing etc., including connecting with suitable lugs, glands, nuts and bolts & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc. shall be measured & paid for separately)

Supply and fixing in repair MCCB fixed type 25 to 100 Amps, 3 pole, 415 V, 16 kA capacity complete, all as specified and as directed.

Supply and fixing in repair, MCCB adjustable type 250 Amps, 4 pole, 36 kA capacity, 415 V complete, all as specified and as directed.

Dismantling old unserviceable PCC/Tubular steel pole and taking out base plate, clamps, insulators, cross arms, stud, etc. and removal from site, complete, all as specified and as directed.

Dismantling of ACSR Conductor from poles including zebra conductor including cutting of binding from insulators of any type and capacity and removal from site, complete, all as specified and as directed.

Material and labour for Aluminium conductor steel reinforced (ACSR) Weasel 6/1 x 2.59mm, stretching on poles and proper noseling with binding wire to insulator of any description and tightening with permissible sag in between span on 11 KV OH line as required at site, complete all as specified and directed.

Dismantling of HT/LT overhead ACSR Conductor of any size and type from poles and restringing the same with insulator properly using new binding wire/jumper wire including chopping of trees branches coming in the way complete for HT OH line, complete, all as specified or indicated and as directed.

Repair to panel board indoor type/ outdoor type of size (1.50m x 0.90m x 045m), taking out all electric devices including electrical connections and to be kept in the safe custody , replacing corroded sheet metal parts like base plate, top plate, front cover, etc. with same gauge mild steel sheet including bending to match with the existing size, welding brazing and assembling including replacing all nuts, bolts in MCBs, refixing all electric device, connecting with electric cable, proper lagging over cable including two coat of synthetic enamel paint over Zinc chrome primer on replaced sheet and one coat of synthetic enamel painting on old metal sheet and testing after repair complete, all as specified and directed.

Disconnecting the transformer of capacity 50 to 250 KVA , indoor/outdoor from HT/LT side carefully at site, dismantling primary and secondary terminals, top cover, conservator tank, neutral earth strips and draining out transformer oil to the required level and storing carefully in cleaned containers, cleaning of terminals, inspection of core, replacing the 5 mm thick rubberised cork sheet, gasket for tank top cover with new rubberised cork sheet, gasket and reassembling the complete dismantling items, reconnecting the HT/LT supply cable ends at the site complete, all as specified and directed.

Material and Labour for heating, filtration and dehydration of transformer oil as per IS : 10028 (Part-III) 1981, Para 5.2 (obtained from transformer/OCB/Tee off switch under repair at workshop) with dehydration/ filtration plant to achieve dielectric strength of 60KV at 4.0 mm gap, complete all as specified and as directed . Note:- Any damage occurred to transformer during the process of dehydration, shall be made good by the contractor to the entire satisfaction of the Engr-in-charge at his own expenses.Contractor shall also submit test report for the same.

Supply and topping up transformer oil for die electric strength of 40 KV for 1 minute in the conservator tank/body tank of the transformer at various locations complete, all as specified and directed.

Supply and pouring new transformer oil as per IS : 335 (1993) for transformers installed at various site for topping up after dehydration to achieve the di electric strength 60 KV at 4.0 mm gap, complete all as specified and as directed . Note : Transformer oil shall be brought at site in sealed container from the original manufacturer and shall be opened in front of Engr-in-charge, Container shall be deposited by the contractor to the deptt, which will be returned after completion of contract.

Taking out old unserviceable defective HT bushings from transformers and Supply and fix new HT bushing with insulator, brass studs, nuts and washers connecting to winding, testing and commissioning. The transformer 50 KVA to 250 KVA capacity complete all as directed.

All as per serial item No.104 here in before but LT bush for transformer of capacity 50 KVA to 250 KVA complete, all as specified and directed.

Supply and replace silica gel into the serviceable breather of transformers complete, all as specified and directed..

Supply and replace silica gel breather assembly suitable for transformer of capacity 50 KVA to 250 KVA complete, all as specified and directed.

Earthing complete with galvanised earth plate electrode 600mm x 600mmx 6mm thick buried directly in ground vertically ( earth pit of depth not less than 2.25m below ground level ) with top edge of the earth plate not less than 1.5m below normal ground level, connecting with galvanised earth strip of 25 x 4mm size by means of bolts, nuts, checks nut and washers made out of galvanized iron and earth strip protected by galvanized steel pipe 40mm dia (light grade) including provn of concrete pit in PCC 1:2:4 type B-1 (using 20 mm graded mechanically crushed stone aggregate), 40mm thick RCC cover slab 1:2:4 type B1 reinforced with XPM ( weight not less than 4kg/sqm ) and frame made of angle iron of section 40x40x6mm with lugs, 02 Nos handle of 6mm dia mild steel bar made to shape, 20mm dia GI pipe (light grade) for watering perforated at bottom 1.75m long placed on top edge of earth plate, charcoal and salt filling in alternate layer, test point made out of phosphorus/ Bronze with fixing arrangement , funnel wire mesh and earth work in soft/loose soil, returning filling, removal of surplus soil all as shown in electrical plate No.5 of SSR Part-I and connection to earth test point complete, all as specified including testing on completion. Note : Item of earthing include cost of 7.5m long galvanised earth strip of 25 x 4mm size, ,earth work in soft/ loose soil, returning filling and removal, GI protection pipe, GI watering pipe, funnel, wire mesh, RCC cover, etc .

Supply and fixing 32mm x 6 mm GI strip as in earth continuity conductor fixed to wall or pole or recess or chesses or buried in ground or drawn in conduit pipe or any other indicated situation for loop earthing etc. as required all as directed.

Cutting/cleaning tree branches, plant's bushes obstructing the OH lines/cable route side including disposal to the low laying area complete all as directed.

Decarbonising / cleaning complete of HT 11KV 3 phase relay panel including servicing of all mechanical gear wheel, moving parts, checking all tripping mechanism, all electrical connections complete cleaning with petrol and CRC 226 spray solution and ensure proper de-carbonisation, reset the same after completion. (Note:- Required spare parts are measured and paid separately)

Calibration and testing of VCB's relays like earth fault, over load relay installed in sub station on HT VCBs 11 KV panel and testing through recognized agencies by means of secondary injection method, setting of relay timings and play settings and fixing back the relays in position complete all as directed

Taking down U/S battery 12V, 180 AH from the cabinet and supply and install 12 V, 180AH maintenance free battery including terminal clamps, copper lead of suitable size/ length, battery stand complete testing and commissioning all as directed

Taking down damaged areal bunch cable and replacing with UG cable as per item No complete all as specified & as directed

Material and Labour for Testing of transformer oil as per IS : 335 and IS 12463 for dielectric strength of transformer installed in various site, plinth mounted/ pole mounted including submission of test report complete all as specified and as directed.

Material and labour for manufacturing of wooden stair case for Transformer as per existing size and specification complete all as specified and directed.

Material and Labour for taking down old CT from the existing VCB and supply and fixing of 11 KV current transformer (CT) with suitable VA burden and accuracy suitable for protection and metering complete including electrical connection to the existing system and testing on commissioning complete all as specified and directed

Material and labour in repair of stem type thermometer with range 0-120 degree Celsius with all accessories for the transformer of any capacity and type complete all as specified and directed.

M/S Noor Mohammad Shalla

M/s Lal Enterprises