COMPREHENSIVE REPAIR/ MAINT OF 33/11 KV MRS AND CONNECTED ITEMS UNDER GE NORTH AKHNOOR

Amount

Taking down unsv PCC poles and M&L for steel tubular swaged pole type 410 SP-55 (11 metre long) with 300 mmx300mmx6mm mild steel base plate continuously welded to pole, finial taper, nut, bolts and screws all as specified including factory painted with two coats of black bituminous paint internally through out and externally for embedded portion and applying one coat of red oxide primer for the remaining portion and two coats of aluminium paint beyond 1.5M from ground level/coping and making 30cm black and white strips with two coats of super enameled paint up to 1.5M from ground level/coping, complete all as specified and directed.

M&L for fixing in replacement of ACSR conductor Size 3 of 6/1 x4.72(dog) drawn straight horizontal on over head lines on existing poles including binding with insulators. Weight of conductor shall be measured straight horizontal distance between centre to centre of two adjacent poles and calculating weight of conductor of size and length by adding 3% extra for sag, jointing jumpers, etc complete all as specified and directed by Engr-in-Charge.

Scraping of old paint from two pole structure without removing accessories and preparation of surfaces for repainting. Repainting the poles with one coat of alternative white and black straps of 30 cm each upto 1.5 mtr height using synthetic enamell paint .Repainting the remaining Iron parts i.e. cross arms, supporting angles, XPM jali, clamps, GI bkt etc and steel pole above 1.5 mtr height by applying one coat of alumn paint or PCC pole with snowcem of approved color all as required at site or directed.

Material and labour for Rubber tiles 5mm thick with fabric backing or insert, plain coloured or marbled topping, matt or glossy, laid in floors with approved adhesive all as specified and directed.

Trimming and cutting of tree branches coming across 33KV overhead HT line clearing around line 1.5m single/both sides and disposal of branches to distance not exc 50m and complete site all as specified and directed Note:- 1. length of span 100 to 150mtr. 2. Due care is given while cutting /trimming tree branches that there should be no damage to existing conductor/poles. In case due to negligence,damaged is caused is to make good/renewal by the contractor from his own resources and nothing extra will be admissible.

Taking down unsv lightening arrestor and M&L for 33KV 10 KA surge type lightening arrestor for 33000V(-15% to +10%,3 phase,50HZ(-5% to +30%) power supply. The lightening arrestor shall be line type and gapless and of non-linear resistors made of Zinc oxide having counter meter and to sustain spark over voltage upto 100 KV, withstand standard impulse voltage of 115KV,maximum residual voltage at nominal discharge capacity current shall be 100KV all as specified and directed. Make ABB, Siemen,L&T,Electricfield

M&L for preparation of old painted surface of outer surface of steel structure of 33 KV Grid bus bay strucure at Grid,length 30 Rm, Height 3Rm,width 7.5Rm by brushing/cleaning stain,greasy spots with thinner, incl painting on two and four pole structures in the yard applying two coats of spray painting(synthetic enamel paint) all sides with spraying machine in the yard after disconnecting power supply including writting description of equipment in block english letter 100mm size with whie and black synthetic enamel paint as per details given by deppt all as specified and directed.

Taking down old unsv and Supply, installation, connecting electrically & commissioning switch air break, gang operated, tripple pole mounted on insulators 15 Nos and steel frame with operating mechanism in worked from ground level, drop out fuse, for current rating upto 200 amps and working voltage 11000 volts all as required at site or directed by Engr-in-charge.

M&L for sieving out graded coarse aggrgrate and and taking out sand dust/gravel of size less than 20mm of nominal size and Supply filling and laying coarse aggregrate normal size 25mm at 33 KV Grid bay/yard , deposted spread and levelled in layers not exc 100mm thick,rammed and watered to a true surface all as specified and directed.

M&L in replacement of cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint

Labour only for restringing of over head line ACSR of any size and upto 3 wires in a span with GI earth wire of 4 mm dia of span length 30 to 60 m to permissiable sag incl winding with Aluminium conductor and triming of branches of tree beside the span all as directed.

Suplying and fixing in replacement of Pin type, porcelin, vitreous, white, brown or green insulator, size 150mm height, 150mm dia for 11000 volts grade, including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, conforming to IS: 7321-1931, complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of Disc type insulator, porcelain, vitreous 150mm high and 150mm dia ball and socket type, white, brown or green single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as spd and as directed by Engineer-in-Charge.

Supply and fixing in replacement of polymer Disc insulator with hard ware fittings 33 KV grade standard size ISI marked all as specified and directed.

Taking down old/burnt supply, laying,jointing testing and connecting cable XLPE insulated screened PVC bedded galvanised steel strip or wire armored electric power cable (heavy duty) of size 11KV(E) volts grade with stranded aluminium conductor ofsize 240 sqmmx3 core all as specified and directed by Engr-in-charge .

Taking down old/burnt and supply, laying,jointing testing and connecting cable XLPE insulated screened PVC bedded galvanised steel strip or wire armored electric power cable (heavy duty) of size 11KV(E) volts grade with stranded aluminium conductor ofsize 95 sqmmx3 core all as specified and directed by Engr-in-charge.

Supply and fixing in replacement polymer post insulators with hardware fittings 33 KV graded all as specified and directed.

Supply and fixing in replacement PG aluminium cast alloy clamps suitable for existing ACSR conductors of type sheep/panther/Zebra with nuts and bolts all as specified and directed.

Supply and fixing in replacement T connector Clamp aluminium cast alloy clamps suitable for existing ACSR conductors of type sheep/panther/Zebra with nuts and bolts all as specified and directed.

Supply and fixing in replacement rigid type terminal connector ,stud to conductor/cable aluminium cast alloy clamps suitable for existing ACSR conductors of type sheep/ panther/ Zebra with nuts and bolts all as specified and directed.

M&L for centifuging and dehydration including filteration and cleaning of transformer oil of 33/11KV, 3.15MVA Transformer on site on load by dehydrattion machine including sample before and after dehydration and filteration oil all as specified and directed( contractor shall have to arrange dehydration machine and testing kit at his own resources all is specified and directed.

Supply and filling of top up of transformer oil in transformer of die-electric strength not less than 60 KV(AT 2.5MM gap) at high voltage of IS specification of low viscosity.(Note:- Transformer oil should be provided in sealed container) Make HP,BPL,Oil corporation of india

Cable end termination joint outdoor cold shrinkable type suitable for stranded aluminium conductor 3 core,11 KV XLPE of 185sqmmx3 core cross sectional area including testing and commissioning etc complete all as specified.

Cable end termination joint indoor cold shrinkable type suitable for stranded aluminium conductor 3 core,11 KV XLPE of 240 sqmmx3 core cross sectional area including testing and commissioning etc complete all as specified.

Cable end termination joint indoor cold shrinkable type suitable for stranded aluminium conductor 3 core,11 KV XLPE of 240 sqmmx3 core cross sectional area including testing and commissioning etc complete all as specified and directed by Engr-in-Charge.

Cable end termination joint indoor cold shrinkable type suitable for stranded aluminium conductor 3 core,11 KV XLPE of 185 sqmmx3 core cross sectional area including testing and commissioning etc complete all as specified and directed by Engr-in-Charge.

M&L in replacement of 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 aluminium conductor cable of size 50 sqmm to 95 sqmm.

Disconnecting all HT connection of VCB panel and Taking down exisitng unsv/ broken vaccum interupter and Supply and fixing vacuum interupter suitable for indoor VCB 11KV 800 Amp as per sample of Make CG all as specified and directed.

Excavation in trenches n. exc.1.5m wide and n. exc. 1.5m in depth for foundation of pole and laying of HT cable as in soft/loose soil and getting out complete all as specified and directed.

Returining filling in including spreading ,levelling,watering and wall ramming in layers not exc 25cm in soft/loose soil complete all as specified and directed.

Removal of excavated material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point

Supply and laying sub class 'B' bricks laid dry flat transversely along the length of cable with width equal to the length of bricks over sand cushioning as protection cover of cable laid.

Material and labour for sand cushioning in trenches including spreading and consolidation in layers of 8cm thick before laying the cable & 15 cm thick after laying the cable and punned down to form a bed complete all as specified and directed.

M & L for cement concrete type D-2 1:4:8 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete.

M & L for PCC 1:2:4 type C-2 (using 40 mm graded crushed stone aggregate) as in foundation, filling and mass concrete

Taking down and Supply, Erection, wiring, testing and commissioning of new Numerical IDMT relay comprising of 50/51, OL/SC, 51N elements with RS 485 port, Power supply-30VDC, programming, load setting & Time setting as per feeding grid sub-station. IEC 61850, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new static under Voltage relay, voltage setting & time setting, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new static Over Voltage relay, voltage setting & time setting, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new Trip Circuit Supervision relay, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new Master Trip relay, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Repair, Maintenance & overhauling of HT (11 KV) VCB of capacity 400 Amps to 630. Amps, indoor type complete after taking out trolley, checking of all fixed and moving parts for smooth operations, cleaning with CTC or CRC 226 and rustlick, air blower, replacement of minor parts, checking and repair to locking system, alignment & closing / tripping & charging system including replacement of FRP phase barrier and provideing re-insulation to bus bar with HT tape, repair to heaters and making the complete VCB functional with free and operating mechanism, complete all as specified and directed

Dismantling existing old 30 VDC battery bank-1&2 and Supply, erection, wiring, testing and commissioning of new maintenance free 30 V DC battery bank-1&2 by providing 16 cells of 2.OV, 100 AH rating each and laying of new 2Cx16 sqmm copper cables, PVC sheathed, PVC insulated, armoured having core color code red and black, freuling and termination, complete all as specified and directed. Battery Make :- Exide/ Amron or equivalent, Wire Make :- KEl/ Havells or equivalent

Supply, installation, testing in replacement of Battery Charger new components of 32 V DCDB cubicle viz. 2 pole DC MCBs, voltmeter, ampere meter, wiring, cabling, ferruling and termination. a) Double pole MCB for controlling DC supply b) Digital Voltmeter DC, range: 0-50V DC c) Digital Ampere meter DC, range: 0-30A DC Make :- Sasa / panasonic/ Exide/Luminous

Supply and fix of Current transformer Outdoor Type, Oil Cooled Oil impregnated, paper insulated suitable for 33 KV supply system with intial filling of oil. (Ratio:- 75/5+5A, Output-15VA, Accuracy class-0.5 and SP 15.)

upply and fix of Supply of Potential: Transformer Outdoor type, single phase oil cooled oil impregnated, paper insulated, suitable for 33 KV supply system with intial filling of oil complete as er ISW 3157 (1992) of ratio 33000/root3/110/root 3, output 50 V

M/S JIWAN SINGH (BID ID -3239917)