REPAIR REPLACEMENT LT OVER HEAD LINES, UG CABLES, LT PANELS AND CONNECTED ITEMS INCLUDING IMPROVEMENT OF ELECTRIC DISTRIBUTION SYSTEM AT RAKHMUTHI AREA UNDER GE (SOUTH) AKHNOOR

Amount

Excavation in trenches, not exceeding 1.50 mtr wide and not exceeding 1.50mtr in depth; not exceeding 10 Sqm on plan and not exceeding 1.50 mtr in depth and getting out, in any type of soil, for laying pipe line/Cable etc, complete all as specified and as directed by Engineer-In-Charge.

Excavation in trenches, not exceeding 1.50 mtr wide and exceeding 1.50mtr but not exceeding 3.0mtrs in depth, not exceeding 10 Sqm on plan and not exceeding 3.0 mtr in depth and getting out, in any type of soil, for laying electric cables or foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25Cm, complete all as specified and directed by Engineer-In-Charge.

Removing excavated materials/ soils, to a distance not exceeding 50mtrs and depositing where directed at a level not exceeding 1.50mtrs, complete all as specified and directed by Engineer-In-Charge.

Sand cushioning to protection of underground cables, laid 8 Cm before laying and 15 Cm after laying of cable, and punned to form an overall layer of 18 Cm thick, complete all as specified and directed by Engineer-In-Charge. Note: Punned thickness shall be measured.

Sub class ‘B’ bricks, modular size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning for mechanical protection of cable, with width equal to the length of the brick, complete all as specified.

S&F in replacement of old cracked/ damaged, concrete poles with new pre-stressed concrete pole, 9.0 metres long, cross section 102mmx172mm at top and 102mmx279mm at bottom, class 10, including painting strips in black and white colour, 300mm thick, upto 1.50mtr height, from top of PCC coping with synthetic enamel paint after preparing the surface, complete all as specified and as directed by Engineer-In-Charge. Note: Excavation, earth work and concrete in foundation shall be measured and paid separately under respective items of BOQ.

Plain cement concrete M-7.50 (1:4:8), type D-2 (using 40mm graded crushed stone aggregate), as in or as mass concrete in foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Plain cement concrete M-10 (1:3:6), type C-2 (using 40mm graded crushed stone aggregate), as in or as mass concrete in foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Plain cement concrete M-15 (1:2:4), type B-1 (using 20mm graded crushed stone aggregate), as in coping of poles including necessary form work, finish even and smooth without using extra cement, complete all as specified and as directed by Engineer-In-Charge.

Supply, erecting and fixing in replacement of old pole in true vertical position, steel tubular swaged pole (410 SP – 31), 09 meter long, complete with cast iron base plate, pole cap / finial taper plug, bolts, nuts and washers, welded reduced section and longitudinal weld throughout entire length of pole including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint including taking down old damaged poles complete all as specified and directed.

Replacement of old unserviceable/ damaged over head conductor with new over head, aluminium conductor, steel reinforced, weasel, from any type/ height of poles including proper binding with existing insulators, complete all as specified and as directed by Engineer-In-Charge. Note: Weight of ACSR or all aluminium conductors drawn for overhead lines is to be determined by measuring taut horizontal distance between centers of two adjacent poles and compounding the weight of conductors of that size and length and 3% extra added for sag, jointing, jumpers, etc. Note:- quoted Unit Rates of ACSR conductor shall deem to be included of Sag @ 3.0%, nothing extra shall be admissible on this account.

Replacement of old unserviceable/ damaged Mild steel in 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 coat of red oxide primer, one under coat and one finishing coat of aluminium paint, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 35.0 Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 50.0 Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 70.0 Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 95.0 Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 120Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 150 Sqmm, 3.50-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Supply and fixing in replacement, 1100 Volts grade, heavy duty, multi-stranded cable, PVC insulated aluminium conductor, multi-stranded, cross sectional area 16.0 Sqmm, 2-core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 50 Centimetre apart Including 4.0mm suspension wire, one twin core cable flat or circular, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Supply and fixing in replacement, 1100 Volts grade, heavy duty, multi-stranded cable, PVC insulated aluminium conductor, multi-stranded, cross sectional area 10.0 Sqmm, 2-core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 50 Centimetre apart Including 4.0mm suspension wire, one twin core cable flat or circular, complete all as specified and as directed by Engineer-In-Charge. Make: RPG CABLE/ UNIVERSAL/ KEI.

Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for LT, 20x15cm size, fixing in repairs, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged stay assembly with new stay assembly, galvanised iron, complete with accessories as shown in electrical plate No-1, diameter of stay rod 20mm dia, including galvanised iron stay plate 300x300x6mm, galvanised iron thimble, 14mm dia 400mm long stay bow and galvanised iron nuts bolts, washers including loop type insulator, vitreous porcelain, white, brown or green, large size, with overall dimensions 65x90mm, clearance of hole 16.0mm, including stay wire, galvanised iron, stay wire 7/4mm stranded, complete all as specified and as directed by Engineer-In-Charge. Note: Excavation, earth work and PCC shall be measured and paid separately under relevant item of Schedule ‘A’/ BOQ.

Replacement of old unserviceable/ corrosion GI earth wire with new galvanised iron wire as in earth wire or wire guard, cradles, hexagonal/ rectangular, fabricated with galvanised steel wire of 4.0mm dia from any position, LT poles of any type and any height including binding wire, 1.60mm dia, galvanised iron, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged pin type insulator with new pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia for 1100 volts grade, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged loop type with new loop type insulator, vitreous porcelain, white, brown or green, with overall dimensions 65x90mm, clearance of hole 16mm, for 1100 volts grade, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 25.0 Sqmm, 4.0-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed by Engineer-In-Charge.

Description all as per serial item No- 27.00 here in before but for cross-sectional area 16.0 Sqmm, 4.0-core,.

Description all as per serial item No- 27.00 here in before but for cross-sectional area 10.0 Sqmm, 4.0-core,.

Replacement of old unserviceable/ damaged cable trunking with new cable trunking (casing/ caping type), galvanised steel, suitable for cable laying, size 100x70mm, complete all as specified and as directed by Engineer-In-Charge.

Repairing burnt/ worn out serviceable LT cable ends by disconnecting the cable from junction box/ LT panel/ pole etc cutting out the burnt out cable ends and taking out extra cable from cable loops by digging and reconnecting as existing after providing new aluminium lugs, tapes, nuts, bolts and washers suitable for LT cable of size from 10 Sqmm to 16 Sqmm, any-core, including any site clearance, complete all as specified and as directed by Engineer-In-charge. Note: Quoted rate shall be deemed included the cost of excavation for taking out cable from loops, site clearance and cable connection, tools and plants as required for repair of cable ends.

Description all as per serial item No- 31.00 here-in-before but for aluminium cable, cross sectional area size from 25.0 Sqmm to 50.0 Sqmm, any-core.

Description all as per serial item No- 31.00 here-in-before but for aluminium cable, cross sectional area size from 70.0 Sqmm to 95.0 Sqmm, any-core.

Description all as per serial item No- 31.00 here-in-before but for aluminium cable, cross sectional area size from 120.0 Sqmm to 150.0 Sqmm, any-core.

Felling/ cutting of tree not exceeding 30cm girth including cutting of trunk, and branches along the over head LT/ HT lines/ poles, in 3.0mtrs radius all around the conductor and disposal of material to a distance not exceeding 50mtrs and clearing site including making surface even with all necessary tools, plants and manpower, complete all as specified and as directed by Engineer-In-Charge.

Cleaning away/ cutting of all grass vegetation, saplings, shrubs, creepers, brushwood, undergrowth, roots and trees not exceeding 30cm girth (measured one metre above ground level) around the LT panels, transformers, and removing rubbish outside the periphery of cantonmant area, complete all as specified and as directed by Engineer-In-Charge.

Material & labour for earthing in replacement of complete with galvanised cast iron earth plate electrode of size 600x600x6.3mm thick buried directly in ground less than 3.0m deep below normal ground level as earth electrode with top edge of the earth plate not less than 2.25mtr below ground level using GI strip 32x6 mm dia as earth continuity conductor connected to earth plate by means of welding, GI thimbles, nuts, bolts & washers all as directed including providing earth wire protection pipe of GI tubing light grade 40mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover with handle of angle iron frame of size 40 x 40 x 6mm in PCC 1:3:6 adequate quantity of charcoal dust and salt and kalmi shore all around the earth plate, earth work in any type of soil remaining surplus excavated material all as required at site and specified in EP No 3 of SSR part I 2009 or directed by Engineer-in-charge and incl testing on completion. NOTE :- (i) Item of earthing includes cost of 7.5 m long GI strip of size 32x6mm with protection pipe of 40mm dia GI medium grade, any variation in length shall be adjusted through deviation order based on SSR rates Reduced by (-20)%. (ii) On testing after completion of earthing if the desired earth resistance is not obtained earthing will be re-done by the contractor at his own risk and cost.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level. connecting to the GI wire 4 mm dia by means of bolls, nuts, check nuts and washers of galvanised iron and earth wire protected by provision of GI light grade pipe 15 mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 02 Nos and handle of 6mm dia MS bar made to shape, GI medium grade 20mm bore pipe for watering , perforated at bottom. 1.75 metre long placed on top edge of earth plate. charcoal and common salt filling with fixing arrangement, funnel wire mesh and earth work in soft soil returning filling in and removal of surplus soil to a distance not exceeding 50 meters all as per electrical plate 3 of SSR-2009 Part-I and connecting to earth test point all as specified or indicated including testing on completion. NOTE :- (i) Item of earthing includes cost of 7.5 m long GI wire of size 4 mm dia with protection pipe of 15mm dia GI medium grade, any variation in length shall be adjusted through deviation order based on SSR rates Reduced by (-20)%. (ii) On testing after completion of earthing if the desired earth resistance is not obtained earthing will be re-done by the contractor at his own risk and cost.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for two wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for three wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for four wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

S&F in replacement of old GI pipes/ Tubes, 'light grade', galvanised, 80mm bore, ISI marked, laid in trenches or fixed to walls/ poles including mild steel clamps, nuts, bolts and washers; for protection of electric cable, complete all as specified and as directed by Engineer-In-Charge.

S&F in replacement of old GI pipes/ Tubes, 'light grade', galvanised, 50mm bore, ISI marked, laid in trenches or fixed to walls/ poles including mild steel clamps, nuts, bolts and washers; for protection of electric cable, complete all as specified and as directed by Engineer-In-Charge.

S&F in replacement of old GI pipes/ Tubes, 'light grade', galvanised, 40mm bore, ISI marked, laid in trenches or fixed to walls/ poles including mild steel clamps, nuts, bolts and washers; for protection of electric cable, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 400 Amps with breaking capacity 36 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV540309 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 630 Amps with breaking capacity 50 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV563319 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 200 Amps with breaking capacity 36 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV525342 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 250 Amps with breaking capacity 36 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed by Engineer-In-Charge. Make: ABB cat part No- 1SDA068111R1 or equivalent L&T/ Legrand/ Merlin Gerin/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 160 Amps with breaking capacity 25 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed by Engineer-In-Charge. Make: ABB cat part No- 1SDA067410R1 or equivalent in L&T/ Legrand/ Merlin Gerin/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 125 Amps with breaking capacity 25 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed by Engineer-In-Charge. Make: ABB cat part No- 1SDA067409R1 or equivalent in L&T/ Legrand/ Merlin Gerin/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 100 Amps with breaking capacity 16 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- C11E6TM100B or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 63 Amps with breaking capacity 16 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- C11E6TM063B or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable rubber mat with new synthetic rubber insulating mat for preventing HT shock, thickness not less than 25mm, size 2.00x1.00 mtrs, complete all as specified and as directed by Engineer-In-Charge.

Preparation of surfaces of old painted pre-stressed concrete LT poles of any size, any section, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, complete all as specified and as directed by Engineer-In-Charge.

Preparation of surfaces of old painted pre-stressed concrete LT poles of any size, any section of four pole structure, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, complete all as specified and as directed by Engineer-In-Charge.

Preparation of surfaces of old painted steel tubular swaged poles LT poles of any size, any section, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as specified and as directed by Engineer-In-Charge

Preparation of surfaces of old painted steel tubular swaged poles LT poles of any size, any section, of two pole structure, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as specified and as directed by Engineer-In-Charge.

Re-stretching only for aluminium conductor steel reinforced including earth wire, of any size and type, maintaining required sag, fixed poles of any height and type with insulators, fixed with aluminium binding wire including all required labours, tools and plants, including making all necessary connection, complete all as specified and as directed by Engineer-In-Charge.

Amount of Schedule of credit of for Rs 1,01,385.00 shall be deducted from quoted amount.

M/S Chib Engineers