GE I R AND D/CHD-94/2023-24 SUPPLEMENTARY REPAIR/ MAINT OF EXTERNAL ELECTRIC HT OVER HEAD LINES/UG CABLES, VCBS, AVR, TRANSFORMERS AND OTHER CONNECTED WORKS IN TBRL RANGE RAMGARH

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr in depth and not exceeding 1.5 mtr wide for laying of cables, erection of poles,struts, stays etc and getting out complete all as specified and directed

All as per serial item 1.00 above but in PCC/floor/road -ditto-

Returning, filling in including spreading, levelling,watering and well ramming excavated soil in layers not exceeding 25 cm thick each , filling back in trenches after cables have been laid and tested, poles,stays,struts hane been erected and tested complete all as specified and directed

Removal of excavated surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed

Supply and laying in replacement of UG cable HT 11 KV rated XLPE insulated armoured heavy duty elect cable with stranded aluminium conductor cross section area 95 Sqmm 3 core laid in trenches or passing through pipe including connecting with suitable lugs, glands, nuts and bolts and testing complete all as specified and directed. Make: Havells/CCI/Gloster (Note: (i) Cable joint shall be measured and paid for separately.) (ii) Excavation /earth work, cable protection pipe shall be mesured and paid for separately.

All as per serial item no 4.00 above but cross section area 120 Sqmm 3 Core -ditto-

Supply and laying in replacement of UG cable LT 1100 volts grade XLPE insulated armoured heavy duty elect cable with stranded aluminium conductor cross section area 120 Sqmm 3.5 core laid in trenches or passing through pipe including connecting with suitable lugs, glands, nuts and bolts and testing complete all as specified and directed. Make: Havells /CCI /Gloster (Note: (i) Cable joint shall be measured and paid for separately.) (ii) Excavation /earth work, cable protection pipe shall be mesured and paid for separately.

All as per serial item no 6.00 above but cross section area 95 Sqmm 3.5 Core -ditto-

All as per serial item no 6.00 above but cross section area 70 Sqmm 3.5 Core -ditto-

Material and labour for Cable route indicator showing "HT Cable" and rout of cable with arrow made of CI in suitable eliptical shape and fixed on angle iron 40x40x6mm, 600mm long painted in Blue Colour with two coats of synthetic enamel paint cover a coat of red oxide primer duly embaded in PCC block 0.20x0.20x0.20 in ground complete all as specified and directed

Material and labour for HDPE Double Wall Corrugated pipe of size 63mm to 90 mm outer dia confirming to IS:14930 Part-II including necessary pipe fittings such as couplers, end caps, bend etc. including fixed to wall/roof /pole/trench as required with suitable clamps for cable protection complete all as specified and directed. Make : Gemini/Stiple.

Disconnecting HT/LT cable and Earthing connections of burnt/defective transformer of capacity 50 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, reassembling transformer after repair, replacement of complete gasket set, 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 :- New transformer oil, Dehydration of Transformer oil shall be measured and paid for separately.)

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

Material and labour for rewinding of LT winding with Aluminium of suitable size/gauge, fixing the coil in position in core assembly and making connection as per original pattern including providing insulation,varnish, complete all as specified and directed

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

Overhauling /Servicing of ACB 1600Amp 415V of any make by carrying out following job :-(ETF Zone) (i) Taking out ACB from the panel board. (ii) Removal of dirt , dust and carbon particles by air blower. (iii) Cleaning of all moving and fixed contacts of ACB with dry cloth and CRC solution and greasing of moving contacts and gears. (iv) Checking and setting of ACB ON/OFF operation mechanism through TNC and push button (v) Checking tightness of all control wires. (vi) Assembly of ACB in panel and testing complete. (Note: Overhauling of ACB should be done in site/warranty certificate for shall be given by the contractor

Overhauling /Servicing of UPS 15 KVA of any make by carrying out following job :- (i) Removal of dirt , dust and carbon particles by air blower. (ii) Checking and tightness of all leads and interrnal wiring of UPS. (iii) Changing of US battery Note :- New battery 75 Ah shall be measured and paid for separately.)

Supply only Battery 12V, 75 AH with Electro plates including battery lead positive & negative battery terminal complete duly charged complete all as specified and directed

Material and labour for transformer oil for topping up or for replacement in Transformers /Servo Voltage stabilizer complete all as specified and directed.Make :Power oil/Savita(Note: Oil shall be in company sealed barrel having BDV not less than 40KV and transformer oil topping up or replacement should be done on existing installation place on same days)

Transformer oil filteration & dehydration by Ultra High Vaccum Double stage machine to remove impurities from oil such as moisture, dirt,air and other gases and to improve BDV upto 60KV at 2.5mm air gap complete all as specified and directed (Note: Transformer oil filteration & dehydration by Ultra High Vaccum Double stage machine shall be carried out on existing installation place on same day)

Supply and fixing in replacement silica gel breather complete with fresh blue coloured, for Transformer 50 KVA to 200 KVA complete all as specified and directed

All as per serial item no 21.00 above but suitable for transformer capacity 250 KVA to 400 KVA -ditto-

All as per serial item no 21.00 above but suitable for transformer capacity 500 KVA to 800 KVA -ditto-

All as per serial item no 21.00 above but suitable for transformer capacity 1250 KVA to 1600 KVA -ditto-

Complete removal of old paint from the steel tubular pole of 11 mtr height without removing accessories and preparation of surfaces for repainting the poles with and including two coats of synthetic enamal paint upto 1.50 mtr height having alternative white and black strips of 30 cm height each, including one coat of aluminium paint to the remaining part of pole (i.e above 1.50 mtr height) and its cross arms, bracing, support and all steel members complete all as specified and directed.

Supply and fixing for Gang operated switch outdoor type 11000 Volts, 200 Amp capacity tripple pole machenically operated suitable for operation from ground level and for vertical mounting complete with HT insulators 12 Nos. with dropout fuse set, channel, knife blades, GI pipe medium grade 25 mm dia for operating mechanism worked from ground level , locking arrangement with handle complete all as specified and directed.. Make: Jaipuria/Jayshree/Rashtriya Electrical

Supply and fixing for Gang operated switch outdoor type 11000 Volts, 400 Amp capacity tripple pole machenically operated suitable for operation from ground level and for vertical mounting complete with HT insulators 12 Nos. with dropout fuse set, channel, knife blades, GI pipe medium grade 25 mm dia for operating mechanism worked from ground level , locking arrangement with handle complete all as specified and directed. Make: Jaipuria/Jayshree/Rashtriya Electrical

Supply and fixing for cable jointing kit for 11 KV grade cable for outdoor termination cold shrink type joint complete with jointing mterial and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm complete all as specified and directed.Make : Denson/M-seal

Supply and fixing for cable jointing kit for 11 KV grade cable for Indoor termination cold shrink type joint complete with jointing mterial and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm complete all as specified and directed.Make : Denson/M-seal

Supply and fixing for cable jointing kit for 11 KV grade cable straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and directed.Make : Denson/M-seal

Supply and fixing for cable jointing kit for 11 KV grade cable straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm complete all as specified and directed.Make : Denson/M-seal

Material and labour for laying GI Tubing light grade 80mm dia for cable potection in road/floor/path complete all as specified and directed.. Make: JINDAL/TATA/PRAKASH

Material and labour in replacement for Earthing complete with galvanised steel earth plate electrode of size 600x600x6mm thick burried in a pit to a depth of 2.25mtrs below ground level with top edge of earth plate at a depth of not less than 1.50 meters below ground level, earth plate packed on all sides with charcol dust mixed with salt to a thickness of 15cm,.Connected with earthing lead of 32mmx6mm strip galvanised iron, watering pipe 20mm dia light grade and water filling funnel and mess complete all as shown in plate No 4 of MES schedule part II to the earthing test point, Including PCC Work complete including protection pipe 40 mm dia light grade complete all as specified and directed. (Note :- The earth strip/lead up to 7.5 mm shall be deemed to be included in the unit rate quoted by the tender & nothing extra shall be be admissible on this account )

Material and labour for Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15 mm ,buried directly in ground (earth pit not less than 2.25 mtrs below normal ground level)with top edge of earth plate not less than 1.5 mtr below normal ground level, connected to copper earth strip 32X6mm for below ground level & 20x3 mm copper strip for above ground by means of bolts ,nuts ,check nuts of copper including 40mm dia GI pipe med grade for protection of earthing strip excavation and earth work in any type of soil, charcoal salt filling 15 cm around the earth plate as shown in electrical plate no 3 of SSR part-I 2004, 20 mm bore, GI watering pipe medium grade 1.50 mtr long including making pit with PCC 1:3:6 type C1 and pre cast RCC cover 40 mm thick, reinforced with 8mm dia deformed bars @ 100 mm c/c both ways with lifting handles and funnel etc including testing complete all as specified and directed (Note :- The earth strip/lead up to 7.5 mm shall be deemed to be included in the unit rate quoted by the tender & nothing extra shall be be admissible on this account )

Material and labour for GI strip of size 25x4mm as earth continuity conductor burried in ground or drawn in pipe or fixed to wall on saddle. complete all as specified and directed.

Material and labour for copper strip 20x3mm thick as earth continuity conductor fixed to wall or burried in ground/hard standing in & including GI protection pipe complete all as specified and directed.

Supply and fixing for replacement of danger notice plate for HT poles made out of 1.6 mm thick mild steel sheet vitreous enemelled white letter , figurers and converntionl skull and bones marked in red colour with MS clamp of flat iron 25x3mm size bolts , nuts size of plate 25x20cm complete all as specified and directed.

Supply and fixing in replacement of MCCB 4 Pole, 415 V, adjustable type, 200 Amps with breaking capacity 36 KA complete all as specified and directed

Supply and fixing in replacement of MCCB 4 Pole, 415 V, adjustable type, microprocessor release 630 Amps with breaking capacity 50 KA complete all as specified and directed

Supply and fixing in replacement of MCCB 4 Pole, 415 V, adjustable type, microprocessor release 400 Amps with breaking capacity 50 KA complete all as specified and directed

Trimming /chopping and cutting of branches in each tree of any girth which are coming across the over head line LT/HT up to 3 m both sides from the centre of conductor as required and removing the same from site of work complete all as specified and directed.

Material and labour for complete removal green vegetation and dressing around the plinth/PCC hardstanding up to 1.5 mtr of sub stations and 2/4 pole structure etc including disposal of vegitation /material up to 50 mtr distance from the site and levelling/surfacing the ground complete all as specified and directed.

Arun enterprises

KISHORE ENTERPRISES

M/s Shiksha Enterprises

Bharat Enterprises

M/s Shakti Electric Works

R D Bansal

Alpha Engineers and Builders