REPAIR AND MAINT LOW TENSION OH LINES AND INSTALLATIONS LT EQUIPMENTS, EARTHING GATE AND FENCING WORKS AT LGJ MIL STN

Amount

Excavation in trenches n exc 1.5 m wide and n. exc 1.5 m deep in soft/loose soil for foundation/cable etc n exc 10 Sqm on plan and n exc 1.5 Sqm in depth all as specified and directed by Engr-in-Charge

Returning, filling in including spreading levelling, watering and well ramming in layer n. exc 25 cm thick complete all as specified and directed by Engr-in-Charge

Removing surplus soil to a distance n. exc 50 m and depositing where directed at level n. exc 1.5 m above the starting point complete all as specified and directed by Engr-in-Charge

M&L sand cushioning with dry coarse sand to under ground cable 230 mm deep (80 mm below and 150 mm above the cable ) complete all as specified and directed by Engr-in-Charge

M&L brick protection with sub class'B' bricks laid flat and dry across the cable complete all as specified and directed by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 10 Sqmm 2 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/ along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 16 Sqmm 4 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 25 Sqmm 4 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 35 Sqmm 3.5 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 50 Sqmm 3.5 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

Supply and laying in replacement LT XLPE cable 1100 Volt grade 70 Sqmm 3.5 Core with stranded aluminium conductor PVC sheathed armoured confirming to IS 7098 (Part-I) 1988 laid in trenches/along poles/ through pipe/through duct complete including taking out and deposit at MES store for further disposal all as specified and directred by Engr-in-Charge.

S&F in replacement of cross arms, bracings, supports, clamps, back plates, angle iron/ flat in any size fabricated from structural steel section, including nuts, bolts, washers, welding (incl wleding at site), bending cold or hot, drilling hole for botls, in any shape or size including two coats of aluminium paint over a coat of red oxide primer after preparation of steel surfaces all as specified and directed by Engr-in-Charge

M&L for Painting of Aluminium pole, flat iron clamps, Junction boxes of security lights on poles fabricated from mild steel including nuts, bolts, washers, with two coats of aluminium paint over a coat of red oxide primer after cleaning/ removal of dust etc. for preparation of steel surfaces all as specified and directed by Engr-in-Charge

M&L PCC (1:2:4) type B1 using 20mm graded stone aggregates as in coping of poles etc including weathering slightly rounded or chamfered angle and throating, necessary form work, finishing all exposed faces of concrete etc complete all as specified and directed by Engr-in-Charge Note : Volume of poles/struts embedded in concrete shall be deducted.

M&L PCC 1:4:8 type D2 using 40mm graded aggregate as in foundation of electric poles/ struts etc including necessary form work and fair finish to exposed surface without using extra cement complete all as specified and directed by Engr-in-Charge Note : Volume of poles/struts embedded in concrete shall be deducted.

Material and labour for pre stressed concrete poles LT, 9 Mtr long 102mmx 172mm at top and 102 mmx279 mm at bottom class-10 complying with requirement of IS 1678-1978 including painting of pole with two coat of synthetic enamel paint with black and white strips of 30 cm each upto 1.5 Mtr height from the top of PCC coping and numberintg of poles all as specified and directed by Engr-in-Charge.

Supply and fix factory made, sheet metal distribution boards SP & N, 4 Ways, double door, protection class IP-42 suitable for mounting MCB/MCCB, with min 200 Amps, copper bus bar, working on 240 V AC complete all as specified and Directed by Engr-in-Charge.

Supply and fix factory made, sheet metal distribution boards SP & N, 2 Ways, single door, protection class IP-20/30 suitable for mounting MCB/MCCB, working on 240 V AC complete all as specified and Directed by Engr-in-Charge.

Supply and fix MCB single pole and neutral 240 volts 06 to 32 Amps all as specified and directed by Engr-in-Charge.

Supply and fix MCB single pole 240 Volt 6 to32 Amps all as specified and directed by Engr-in-Charge.

S&F shackle type insulator, porcelain, vitreous, white, brown or green of size 75mm height and 90mm dia for working pressure 1100 volts LT complete with insulator 12mm dia bolts, washers and nuts, MS strips of size 31 x 3 mm complete all as specified and directed by Engr-in-charge.

S&F pin type insulator, porcelain, vitreous, white, brown or green of size 75mm height and 90mm dia for working pressure 1100 volts LT complete with insulator 12mm dia bolts, washers and nuts, MS strips of size 31 x 3 mm complete all as specified and directed.

M&L stringing and strengthening of over head conductor (ACSR) on existing LT steel tubular pole including binding and jointing the conductor with and incl 14 SWG binding wire complete for size 6/1 x 2.59mm aluminium (Weasel) and 1 x 2.59 steel / for size 6/1x2.11mm aluminium (Squirrel) and 1x2.11 steel / for size 6/1x3.59mm aluminium ( mink) and 1x3.59 steel all as specified and directedby Engr-in-charge.

M&L for stringing drawing of GI wire 4 mm dia on LT electric lines including binding, jointing etc all as specified and directedby Engr-in-charge.

Supply and fix stay assembly complete with accessories as shown in electrical plate No 1 using stay rod 16 mm dia, including loop type insulator, stay clamps complete all as specified and directed by Engineer-in-Charge. Note : Excavation, earthwork and PCC in foundation shall be measured and paid seperately under respective items of BOQ.

M&L danger notice plate of 1.6mm thick mild sheet steel , vitreous enamelled, white, with letters, figures and conventional skull and bones in signal Red colour and fixed with MS clamps, bolts and nuts of approved size, for LT, 20x15 cm size complete all as specified and directed by Engineer-in-Charge.

M & L for galvanised iron strip 32x6 mm burried in ground for connection of earthing pit to LT panel and testing point complete all as specified and directed by Engineer-in-Charge.

S&F guard craddle, made to shape hexagonal/rectangular or any other shape as required and directed, fabricated out of galvanised steel wire 4mm dia incl binding wire all as specified and directed.

M&L for GI pipe, 40 mm bore, light grade with all new fittings, fixed to pole and laid to floor/ground for mechanical protection of cable complete all as specified and directed by Engineer-in-Charge.

,---ditto--- all as per serial item No 29 above but 50 mm bore size complete all as specified and directed by Engineer-in-Charge.

,---ditto--- all as per serial item No 29 above but 80 mm bore size complete all as specified and directed by Engineer-in-Charge.

Dismantling of existing LT pole any size/type from foundation in necessary earth work including dismentling of concrete MS clamps nuts, bolts, earth wire, overhead lines conductor, insulators, gaurding cradles and other accessories complete all as specified and directed by Engineer-in-Charge.

Dismantling of existing stay assembly any type/size from its stay rod, putting stay rods (above ground portion) dismantling MS clamps, nuts, bolts, stay bow, loop insulators, stay wire etc complete all as specified and directed by Engineer-in-Charge.

Dismantling / taking out old ACSR/copper conductor/GI earth wire any size from existing over head lines incl disconnection complete all as specified and directed by Engineer-in-Charge.

Dismantling / taking out insulator of any size/type from existing electric LT lines complete all as specified and directed by Engineer-in-Charge.

Dismantling /taking out service connection / cable any type/size removing connection from existing over head lines complete all as specified and directed by Engineer-in-Charge.

Dismantling / taking out old mild steel channel/agnle iron as in cross arms fixed to electric poles complete all as specified and directed by Engineer-in-Charge.

S &F in replacement MCCB TP with thermal Megnatic release, breaking capacity 35 KA, rating 100 Amp, 3 pole, 415 volts complete all as specified and directed by Engineer-in-Charge.

S &F in replacement MCCB TP with thermal Megnatic release, breaking capacity 35 KA, rating 200 Amp, 3 pole, 415 volts complete all as specified and directed by Engineer-in-Charge.

S &F in replacement MCCB TP with thermal Megnatic release, breaking capacity 35 KA, rating 400 Amp, 3 pole,415 volts complete all as specified and directed by Engineer-in-Charge.

Cutting/ Trimming of tree branches not exc 10 cm girth, touching/ approaching the LT OH line, 3 mtr on either sides of LT over head lines mounterd on PCC/Steel poles and clearing the site by throwing the tree branches and leaves etc.outside the MD land up to 100 mtr away complete all as specified and directed by Engineer-in-Charge.

Trimming of tree exc. 30 cm girth including cutting of trunk, and branches and stacking of serviceable material and disposal of unserviceable material to a distance n exc. 50 m and clearing site Cutting of grass, shurbs , bushes and small plants and their roots from the substation, receiving station and nearby transformers and electric installations and making neat and clean for safe working on installation and all as specified and as directed by Engr-in-charge.

Supply & place 6mm thick MS chequred plate made to shape & fixed on cable duct including taking down old u/s one complete all as specified and directed by Engineer-in-Charge.

M & L for aggregate for loose filling of gauge, Hard core broken to gauge n exc 63mm in sub stations and main receiving station all as specified and directed by Engr-in-Charge

M&L heat shrinkable straight through XLPE/PVC cable joint LT of size 25 sqmm to 50sqmm 3.5 core after dismantling unserviceable one complete all as specified and directed by Engineer-in-Charge.

,---ditto--- all as per item No. 45 above but of 95 sqmm to 120 sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

,---ditto--- all as per item No. 45 above but of 150sqmm to 185/225 sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

S & F LT PVC seperated 2 way complete all as specified and directed by Engineer-in-Charge.

S & F LT PVC seperated 3 way complete all as specified and directed by Engineer-in-Charge.

Cleaning and maintenance of existing earth pit by removing the muck from the earth pit, cleaning the funnel wiremess, watering, the earth pit with salt and coal and making the good surface of earth pit and cover by plastering with CM 1:4 and connecting the earth from earth pit to testing point with GI strip 32x6mm complete all as specified and directed by Engineer-in-Charge. Note GI strip shall be measured and paid separatley under respective item of BOQ.

Supply and fixing cable route indicator made out of precast RCC 1:2:4 type B1 using 20 mm graded stone aggregate reinforced with 8 mm dia MS bars of semicercular shape 15 cm dia 10 mm thick duly engraved MES LT cable having RCC piller of size 10 cm x 10 cm x 60 cm embedded 45 cm below ground level and 15 cm above ground level and painted with two coats of synthetic enamel paint above ground level including necessary excavation and earth work complete all as specified and directed by Engr-in-Charge

Earthing complete with galvanised steel earth plate electrode 60 x 60 cm x 6.0 mm thick burried directly in ground earth pit not less than 2.25 Mtr deep below normal ground level with top edge of earth plate not less than 1.5 Mtr below normal ground level, connected to galvanised iron earth Lead wire 4 mm dia as earthing lead by means of bolts, nuts, checknuts and washers of galvanised iron all as shown in electrical plate No 3 of SSR Part-I, connected to GODO / Lightening arrester / LT panel all as specified including GI pipe 20 mm bore medium grade for watering, PCC chamber using PCC 1:3:6 type C-2 CI frame and cover, funnel and wiremesh, all excavation and earth work etc complete all as specified and directed by Engr-in-Charge (i) PCC chamber shall beconstructed 1 m away from the earth pit and pipe for watering shall be provided in a slanting manner. (ii) The portion of GI strip burried in ground shall be protected by providing GI pipe 40 mm dia medium grade, the cost of which is deemed to be included in the quoted rates.

Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

EAGAL CONSTRUCTION COMPANY

Lalgarhia Enterprises