REPAIR REPLACEMENT MAINTENANCE OF HT SYSTEM AND ALLIED WORKS AT AF STATION ARJAN SINGH UNDER GE AF PANAGARH

Amount

Surface excavation not exceeding 15 cm deep complete all as specified and directed.

M& L for upto 40 mm graded mixed of different size aggregate laid and spread in 33 or 11KV outdoor sub stn yard all as specified 100 mm deep complete all as specifed and directed.

Material and labour for excavating in trenches not exc 1.50 mtr wide but exc 1.50 mtr depth for taking out/laying of under ground cable, pole or stay and getting out in soft/loose soil, complete all as specified and as directed.

Returning filling in soft/loose soil, including, spreading, levelling, watering and well ramming in layers not exc. 25 cm complete all as specified and directed. (NOTE : The top of filled trench shall be made proud by using the excavated soil to cater for subsequent settlement of soil).

Removing excavated materials (soils) not exc 50.00mtr and depositing where directed at a level not exc 1.50 mtr above the starting point in soil, complete all as specified and as directed.

Supply and spreading dry sand of approved quality for cushioning of UG cable laid in trenches all as specified and directed by the Engr-in-Charge

Preventive maintenance , servicing,Testing and calibration of HT VCB 33 KV complete with outdoor type test as required including overhauling, descaling and smoothning spring mechanism, checking of wiring of all electrical measuring instrument and rewiring as per existing cable size and colour if requaired, resetting of relay and proper alignment of mechanical system for smooth functioning and tripping at any type of fault developed in feeders including checking of bus bar,Visual inspection ,all functional check , Cleanliess,Electrical test, checking for any damage,ensure proper operation complete all as specified and directed by Engr in Charge.

Note for Item no. 7.00 :- (i)Contractor will submit test record at the time of calibration of HT VCB, TR control panel. The rate quoted by tender shall deemed to include the cost of this provision incl T&P required for injecting regulated high current. (ii) Cost of rewiring is included in the quoted rate. (iii) Spare parts will be measured and paid for separatily under respective items/Prime Sum cost and if copper wire and ferule required for wiring included in this items. (iv) For testing and calibration of new relays in replacement will be measured and paid separately under respective items. (v) The calibration and servicing shall be carried out by the Licensed agency and prior approval shall be obtained from Engr-in-Charge..

Preparing old painted surfaces of HT VCB/Bus coupler/LT Panel of any make and type including applying two coats of synthetic enamel paint by spray paintng including marking HT feeder MES No as intimated by JE all as specified and directed.

M & L for compression/crimping type sleeve joints for jointing conductros/jumpers connections above 10mm dia of conductors wire overall including treatment with conducting jelly complete all as specified.

Supply and laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 33000 volts grade, of size 3 core 120 sq mm complete all as specified and directed.

Supply and fix cable jointing kit for 33 KV grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 95 to 150 sq mm complete all as specified and directed.

Supply and fix cable jointing kit for 33 KV grade cable for Outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 95 to 150 sq mm complete all as specified and directed.

Supply,laying,testing & commissioning XLPE insulated, PVC bedded, galvanized steel strip or wire armouredarmoured electric power cables (heavy duty) with aluminium conductor, 11000 Volts, grade cross section area ,laid 95 Sq mm 3 core laid in trenches/ floor/ walls including taking out unserviceable cable complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11KV (Earthed) grade cable for ST through Heat shrink type joint complete with jointing materils and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11KV (Earthed) grade cable for ST through Heat shrink type joint complete with jointing materils and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11KV (Earthed) grade cable for outdoor termination Heat shrink type joint complete with jointing materils and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11KV (Earthed) grade cable for outdoor termination Heat shrink type joint complete with jointing materils and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sq mm complete all as specified and directed.

Note for Item no.14.00 to 18.00 :- (i)Contractor shall submit purchase voucher of the same. The Engr-in-Charge shall deface the same and submit along with RAR/FB for payment. Non-subission may lead to non-payment of RAR/FB. (ii) The insitu testing shall be carried out and cost of the same shall be included in the quoted rate. The record of testing shall be kept on record duly signed by all stakeholders.

Supply and laying reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and directed.

Dismantling air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism and repair/replacement of broken/worn out components and insulators etc.(Spare parts/new GOD for replacement to be measured and paid under respective item No. 22).

Supply and fixing the following items:-

(a) HT 11 KV Gang operated air break switch outdoor type off load, disconnecting switch. Triple pole, each pole consist of galvanized steel base, HT insulators as per B.S.S./I.S. non ferrous knife and spring loaded contact, arcing horns of adequate section to break magnetizing current of the transformers horizontal GI pipe of adequate length for phase seperation, adequate length of GI pipes for operation from ground level and operating handle complete in both OFF and ON position. All ferrous parts hot dipped galavanized and non ferrous parta heavily tinned to withstand weather suitable for vertical mounting of capacity 200 Amps. Make:- Jaipuria Brothers, Packtil, AB switch gear,GEC.

(b) -Ditto- all as per items No.2(a), here and before but of capcity 400 Amps.

( c) Male contact/ moving contact blade 200/400 Amp.

(d) Female contact/ fix contact 200/400 Amp.

(e) Tinned copper flexible jumper 200/400A

(f) Back connector plate.

(g) MS jumper carrier.

Supply and fix 11 KV horn gap out door expulsion fuse set of three including taking down exesisting unserviceable.

Dismantling and taking down unserviceable 11 KV horn gap fuse and Refixing the same after repairs with replacement of fix top contact/L contact and fix bottom contact.

Supply and fixing GI pipe light grade with all fittings fixed on pole or laid in trenches for cable protection of size 100 mm including taking down old pipe and removing from site complete all as specified and directed.

Comprehensive maintenance of HT VCB Panel of any capacity as below. a)Disconecting of cables from HT VCB panel . b)cheking of earth fault and over current relays.c) testing of relays with the help of relay testing kit (boosting Kit) and resetting of relays as per desire load current reconnecting the cables ,including calibaration of relays, for proper tripping and functioning.d) Testing of CT/PT .e)cleaning of spout, mechanical parts with CRC material, and replacement of U/S parts if required . f) testing of VCB complete for MDO/EDO tripping .g) Checking of heating element and replacement of the same if found unserviceable. h) Checking of all control cables for normal functioning of VCB. j) servicing of breakers mechanical parts including greasing of moving parts and checking of spring charging motor for its proper functioning and testing reseting the same all as directed by Engineer-in-Charge.(Note: Spares required for replacement will be paid and measured separately)

Comprehensive maintenance of HT 11 KV CSS any capacity as below. a)Disconecting of cables from HT RMU panel . b)cheking of earth fault and over current relays.c) testing of relays with the help of relay testing kit (boosting Kit) and resetting of relays as per desire load current reconnecting the cables ,including calibaration of relays, for proper tripping and functioning.d) Testing of CT/PT .e)cleaning of spout, mechanical parts with CRC material, and replacement of U/S parts if required . f) testing of VCB/ACB complete for MDO/EDO tripping .g) Checking of heating element and replacement of the same if found unserviceable. h) Checking of all control cables for normal functioning of RMU & ACB all as directed by Engineer-in-Charge.(Note: Spares required for replacement will be paid and measured separately)

Supply and fix three phase over current and earth fault relay Suitable for CT Secondary 1 Amps or 5 Amps,Aux Supply 77-250V DC/AC (230VAC) suitable for existing breakers including taking down old U/ S relay as per existing make.

Supply and fix triping coil DC 24/110 Volts suitable for existing breakers

Supply and fixing IDMTL relay suitable for double over current and earth fault function complete all as directed suitable for existing breakers including taking down U/S relay Make Ashida,Model No-ADR141S/141C or equivalent

M&L for two coat of aluminium painting to HT steel tubular poles of following heights and including angle iron cross arms channels clamps etc complete including preparation of old painted surfaces and numbering of poles upto 11 mtr long all as directed and specified by Engr-in-Charge.

All as per item No 31 above but two pole structure upto 11 mtr long

All as per item No 31 above but four pole structure upto 11 mtr long

M&L stay assembly complete with accessories as shown in electrical plate No 1 (Loop type insulators, stay clamps, excavation and concrete measured separately) including 16 mm dia stay rod all as directed by Engineer-in-Charge.

Supply & Fixing ACSR conductor on over head lines including binding wires, jumpers connections all as directed by Engineer-in-Charge including taking down exsisting unserviceable conductor.

M& L for stay strand galvanised size 7/3.15 mm including taking down all as directed.

S&F loop insulators, vitereous porcelain white brown or green with over all dimension 65x90 mm clearance of hole 16 mm

M&L for Cross arms, bracing, supports, clamps and back plate 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.

M&L disc insulator, porcelain, vitreous 145 mm hight and 255 mm dia ball and socket type , with single disc assembly & tenson clamps for conductors working pressure 11000 volts white,brown or green all as directed.

M&L for pin type, porcelain, vitreous white, brown or green insulatirs including one galvanised MS spindle two galvanised iron nut 150 mm height 150 mm dia for 11000 volts grade.

Dismantling of insulators any type any size

M&L danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white with letters figures and conventional skull and bones in signal red color and fixed with MS clamps, bolts and nuts of size HT 25 x 20 cm including taking down rusted danger plate.

Taking out the sample of transformer oil from bottom portion of each transformer at various locations for checking the di-electric strength and acidity test of oil for the presence of moisture, impurities etc before and after including dehydration (filtration) of transformer oil through mobile filtration plant to be toed to respective location duly connecting inlet/outlet to the machinery by switching off HT power supply taking all safety precautions, so as to achieve di-electric strength not less than 40 KV per minute repturing capacity, switch on supply including commissioning of transformer all as directed.

Supply, fill and topping up transformer oil duly tested for proper di electric strength,upto desired marked level after heating up oil in each transfomer HT switch gear all as directed. Note (i)Contractor shall submit purchase voucher of the same. The Engr-in-Charge shall deface the same and submit along with RAR/FB for payment. Non-submission may lead to non-payment of RAR/FB

S&F breather Assembly filled with Silica Gel as appproved complete all as speciied and as directed including taking out of ld one upto 250KVA Cap distribution from Transformer.

M&L for replacement of silica gel of transformer breather all as directed.

M&L for Electrical Earthing with GI plate electrode of size 60 Cm X 60 Cm X 6.3 mm thick, burried directly in ground vertically ,erath pit not less than 2.25 mtr.deep below normal ground level with the top edge of the earth plate at a depth not less 1.5 mtr below normal ground lelevel connected to GI stip earth lead of size 32 x6 mm upto 7.5 mtr long distance in 40 mm dia pipe medium grade by means of bolts, nuts,washers made of galvanised iron and connected to main control board /switch gear/pannel boards etc. all as specified and shown in Electrical plate No-3 of MES Schedule (SSR) Part-I including necessery excavation and earth work in any type of soil,charcoal dust,salt and watering pipe 20 mm dia medium grade with funnel and PCC 1:2:4 type B1 in chamber RCC 1:2:4 type,B1 cover slab with 6 mm dia mild steel bars at 100 mm center to center both ways and with 6mm dia MS hook complete and PCC cover and testing resistence all as specified and as directed.

Supply and fix in repair porcelain vitreous HT side bushings with copper studs suitable for distribution transfomer of capacity upto 315 KVA after removing the old u/s studs / bushing all as directed for the following capacity transformer including taking out u/s bushing all as specified and directed by engr-in-charge. Lifting the top cover of the transformer complete by disconnection of LT side,after completionof HT stud replacement closing the top cover of the transformer and replacing the damaged gasket complete. Note : Filteration of transformer to be carried out

Supply and fix in repair porcelain vitreous LT side bushings with copper studs suitable for distribution transfomer of capacity upto 315 KVA after removing the old u/s studs / bushing all as directed for the following capacity transformer including taking out u/s bushing all as specified and directed by engr-in-charge. Note :- LT bushing will be replaced during filteration of transformr oil by draining out transformer oil from the existing level upto conservator of the transformer or during the leakage arrest work of the transformer.

M & L for arresting the leakage of transformer oil after drain out transformer oil , switching off HT power supply taking all safety precautions, including provision of gasket and re fiil transformer oil after arrest the leakage including testing and commissioning of transformer upto 315 KVA capacity. Note : The above shall be carried out before filteration of transformer oil

Supply only HT digital type ammeter suitable for CT ratio 5 Amps including wiring and taking out u/s ammeter all as specified and direct. Make : C&S, MECO

Supply and fixing control cable 4C 2.5 Sqmm single strand all as specified and as directed by Engr in Charge.

Supply and fixing control cable 10C 2.5 Sqmm single strand all as specified and as directed by Engr in Charge.

Supply and fixing control cable 12C 2.5 Sqmm single strand all as specified and as directed by Engr in Charge.

Supply and fixing PT fuse 11000 volts 2 Amps capacity.

Supply and installation of power pack unit of Input 110VAC 50 Hz ,3 phase,Out put 110, Burdan 100VA, safety devices complete suitable for existing breakers including taking down old power pack unit all as directed

Supply and fix LED indicator lamp with holder including taking down, Make ABB or equivalent make Legrand/ABB/Havells.

M&L for fault finding of UG HT cable by portable HT fault detector (11 /33KV line) and showing the fault/short circuit distance from either end without excavating UG cable or removing cable from ground, not exeeding testing 2.5 KM running cable, complete all as specified and as directed by Engrs-In-Charge.

Supply & Erecting Steel Tubular Swaged Pole Type 410 SP-64 (12.0 metres long) including Cast Iron Base Plate, Finial Taper Plug, Bolts, nuts and screws, complete all as specified and directed.

Supply and Fixing Single pointed Air termination, single pointed, copper rod 12 mm dia and 300 mm long complete all as specified and directed.

M&L for cement concrete in foundation, filling mass concrete type-C2, 1:3:6, (40mm graded aggregate) for foundation & finishing the surface even & smooth without using extra cement incl necessary formwork complete all as specified & as directed.

Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw all as specifed and as directed.

M&L Galvanised steel tubes, light grade 25mm on wall/pole all as specifed and as directed.

M&L for PCC (1:2:4) Type B-2 (using 40mm graded stone aggregate) for platform / plinth etc & finishing the surface even & smooth without using extra cement incl necessary formwork complete all as specified & as directed.

Materials and labour for Earthing complete with Copper earth Plate electrode 600 mm x 600 mm x 3.15 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with 20x3 mm copper strip by means of nuts, bolts, check nuts and washers made of galvanised iron to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point including providing funnel and watering pipe 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work, excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete test and testing on completion all as specified and as directed.

Supply,fixing and connecting copper strip of size 20 x 3 mm earth continuty conductor or main earthing lead or for inter connection duly brazing including saddle mounted on porcelain insulator or burried in ground or drawn in pipe fixed to poles or any other indicated situation complete all as specified and as directed.

Supply, fixing,testing and commissioning Air Break Isolating rotating type switch of rating 200 Amps outdoor horizontal mounting type suitable for manual operation from ground level, tripple pole, double break consisting hot dip galvanised steel channel base having 3x2 Nos 33 KV post top insulator per phase complete with copper contact element, MS flat, copper blade, bearing assembly etc and suitable size of GI pipe as down rod lever between coupling bar and operation handle with locking arrangement at both "ON" and "OFF" position suitable for 33 KV system all as specified and as directed.

Repair/Overhauling of motor drive mechanism Gang Operated Panel for 33/11 KV VCB/bus coupler of existing make, type,size, capacity, with driving gear and springs including rewiring of Panel & Motor complete all as directed and specified.

Dismantling,Repair, Overhaulingand testing Current Transformer 33KV, single phase Outdoor resin cast, ratio 200-100/1-1-1A , Three core, one metering (Burden- 15VA, Accuracy class- 1.0 and two protection core (Burden- 15VA, Accuracy class- 5P and PS class, Vk ≥ 300V at lower ratio, Ie < 30 ma at Vk/2 in lower ratio, Rct < 10 Ω at higher ratio) insulation level 36 KV / 70 KV / 170 KV(P) as per IS-2705 including filtration & dehydration to make satisfactory serviceable all as per existing make and directed by Engr-in-Charge.

Dismantling,Repair, Overhauling, testing and commissioning 33KV, single phase, out door oil cooled Potential Transformer of ratio 33KV/√3/110V/√3/110V/√3, class 0.5-3, burden 50VA-50VA.. including filtration & dehydration all as per existing make and directed by Engr-in-Charge.

Prime Cost Sum. The prime cost is to be used as directed by the Accepting Officer vide condition 1 (v) and 5 of IAFW-2249 of General Condition of Contract forming part of the tender documents. (a) Provide a prime cost of Rs 200000.00 for supply of spare parts of various plants/units as mentioned undersubject work here-in-above and ordered convening BOO by the Accepting Officer. The material shall procured directly from the OEM aurhorised dealer or as directed by Engr-in-Charge. The contractor shall have to submit GST enabled printed bill for claiming payment. (b) Contractor quoted rate shall be included for overhead and profit and all taxes and insert amount to cover all. However, quoted amount shall not exceed 15% (Fifteen Percentage) of estimated amount. In case, the contractor quoted amount is in excess of 15% of the estimated amount, the same shall be restricted to 15% and the amount quoted shall be corrected accordingly to work out the contract sum.

Schedule of Credit

KMT INDUSTRIES (BID ID -3379917)

SAI ENGINEERING (BID ID -3370982)