REPAIR AND MAINTENANCE OF LT DISTRIBUTION SYSTEM AT MASIMPUR NCC ARO AND UAV KUMBHIGRAM UNDER GE SILCHAR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directed

Excavation in trenches for each additional 1.5m or part thereof in depth beyond the first 1.5m for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directed

Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed

M&L for fine dry river sand cushioning by laying 8cm thick layer below the cable for making soft bed and 15cm above the cable and then punning down to its consolidated thickness of 18cm after the cable is laid all as specified in SSR Part-I complete all as specified and as directed Note: Only punned thickness of sand shall be considered for measurement purposes

Supply and laying burnt bricks of sub-class 'B' designation 75 of size 230x115x75mm laid in trenches for cable protection complete all as specified and as directed

Supply and laying graded stone aggregates 40 to 80mm at locations complete all as specified and as directed

Dismantling of old unserviceable/damaged ACSR or AAC conducotrs of any size, jumper from OH line& stacking serviceable material seperately, complete all as specified and as directed.

Dismantling of old unserviceable/damaged stay assembly embedded in concrete including demolition oc PFF and removing unserviceable material from site of work, complete all as specified and as directed.

M&L for dismantling old unserviceable cross arms, bracings, structural steel section including all T&P, sorting out and stacking serviceable materials for re-use and disposing off unserviceable complete all as specified and as directed

Dismantling insulators of any size/type and sorting, stacking serviceable insulators and disposing off unserviceable complete all as specified and as directed

Dismantling earth wire or copper conductor/ cradles/stay /service feeder or distribution span and disposing off complete all as specified and as directed

Labour only for re-stringing ACSR conductor, straightening properly on insulators and binding with aluminum tape /binding wire/conductor, jumper, etc. for 3 phase 4 wire system including all necessary T&P, staging, etc. as required complete all as specified and as directed

M&L in repairs for stringing of aluminum conductor steel reinforced (ACSR), stranded 7/1.6mm, weasel type, stringing properly on insulators and binding with aluminum binding wire 2mm dia, jumpers, etc. complete all as specified and as directed

S&F 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 1100V grade complete all as specified and as directed

S&F loop type insulator, vitreous porcelain, white, brown or green, small size with overall dimension 90x140mm clearance of hole 25.5mm complete all as specified and as directed

S&F shackle type porcelain vitreous white, brown or green insulator of size 75mm height 90 mm dia including MS strips 31x3mm washers, insulator bolts 12mm dia & nuts suitable for working pressure 1100V grade complete all as specified and as directed

Fixing only insulator any type and any shape (except disc type insulator) complete all as specified and as directed Note: Old serviceable insulators obtained from dismantling shall be re-used under this item

M&L for cradle guard, hexagonal / rectangular as per existng shape fabricated with galvanised steel wire 4mm dia including binding the guards with cradle with supporting GI wire and setting aside complete all as specified and as directed

M&L for galvanised stay strand of size 7/4mm including securing with LT pole clamp and stay clamp complete all as specified and as directed

Supply, erect in position and fixing steel tubular swaged poles with CI base plate (300x300mm and 6mm thick), finial taper plug, pole caps, bolts, nuts and screws type 410 SP-31, 9m long, conforming to IS: 2713, with detachable bracket arms including two coats of aluminium paint over shop coat of primer at any locations including shutting of power lines, etc. taking down of old / unserviceable poles, carting and disposing off complete all as specified and as directed Note: Excavation / earthwork and PCC coping etc. will be measured and paid separately under respective items herein

Supplying, fixing / laying steel water tubing, medium grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for protection of electric clables including taking out and disposing off old damaged tubing by cutting into road, culvert, hard standing, etc. and making good the disturbed areas in PCC 1:2:4 type B-2 (using 40mm graded stone aggregates) complete all as specified and as directed Note: PCC will be measured and paid under respective item herein

80mm bore

50mm bore

40mm bore

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

M&L for refixing cross arms, bracings, supports clamps, and back plates fabricated from structural steel section including providing new nuts, bolts, washers, etc. by welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated and inclusive of one primer coat, one under coat and one finishing coat of good quality of aluminium paint all as specified and as directed Note: Serviceable cross arms, MS sections obtained from dismantling shall be re-used under this item

M&L for cutting / trimming / prunning branches of trees, exceeding 15cm but not exceeding 30cm in dia, falling over HT lines, cutting to make minimum distance of 3m from OH lines of any type span of any length in 2/4/6 way conductor system, including all neceessary safety precautions, shutting of supply, staging, barricading, roping down the cut branches, suitable cutters, etc. and disposing off the cut branches to a suitable place at a distance not exceeding 50m complete all as specified and as directed

M&L for stay assembly and accessories as shown in electrical plate No. 1 of SSR 2009 Part-I, using stay rod of 20mm dia, stay plate 6mm thick of size 300x300mm including stay wire 7/3.15mm dia of suitable length including taking down and disposing off old stay assembly complete all as specified and as directed Note: Cost of PCC for fixing shall be deemed to be included in the quoted rate

Supply, laying, jointing, connecting and testing XLPE insulated PVC sheathed cable 1100V grade, screwed PVC bedded, armoured electric power cable, heavy duty multi-stranded aluminium conductor laid in trenches / fixed on walls/poles, passing through pipes, etc. including connecting up to DBs, etc. with required lugs, end terminal / cable glands including taking out/down old unserviceable cable and disposing off complete all as specified and as directed of the following sizes: Note: Excavation and earthwork will be measured and paid separately under respective item herein

3.5 core 240sqmm

3.5 core 95sqmm

3.5 core 70sqmm

3.5 core 50sqmm

4 core 35sqmm

4 core 25sqmm

4 core 16sqmm

4 core 10sqmm

M&L for design, supply, connecting, testing and commissioning of Aerial Bunched Cable (ABC) [3 core 16sqmm + 1 core 25sqmm], ISI marked 1100V having XLPE insulated cable (three power core) with stranded compact circular aluminium conductors twisted over an insulated aluminium alloy messenger wire for use as overhead distribution feeders, with / without one street lighting core with stranded compacted circular aluminium conductor XLPE insulated suitable for use on 3-Phase AC system conforming to IS-14255/1985 (amended upto date) complete all as specified and as directed Notes: (a) Rate quoted shall be inclusive of all accessories viz. MS flats, insulators, earth wires, suspension clamps, steel strap, pole brackets, connectors, caps, etc. as required complete (b) Tests shall be done as stipulated and reports are to be submitted alongwith claim of payments

M&L for design, supply, connecting, testing and commissioning of Aerial Bunched Cable (ABC) [3 core 70sqmm + 1 core 50sqmm], ISI marked 1100V having XLPE insulated cable (three power core) with stranded compact circular aluminium conductors twisted over an insulated aluminium alloy messenger wire for use as overhead distribution feeders, with / without one street lighting core with stranded compacted circular aluminium conductor XLPE insulated suitable for use on 3-Phase AC system conforming to IS-14255/1985 (amended upto date) complete all as specified and as directed Notes: (a) Rate quoted shall be inclusive of all accessories viz. MS flats, insulators, earth wires, suspension clamps, steel strap, pole brackets, connectors, caps, etc. as required complete (b) Tests shall be done as stipulated and reports are to be submitted alongwith claim of payments

S&F MCCB 4 Pole, 415V, adjustable thermal and fixed magnetic type, Ics=100% Icu, conforming to IS/IEC:60947-2 including shutting down of electric supply, taking out old unserviceable MCCB from any location, position, etc. and disposing off complete all as specified and as directed of the following capacities:

S&F in repairs changeover swicth 250A, 4 pole, 50kA, 415V, 50Hz, AC, I-O-II operation manual type, open / closed construction as per site requirement, adjustable type of thermal and magnetic setting handle, including all necessary cable lugs, wires, etc. complete all as specified and as directed

S&F in repairs changeover swicth 100A, 4 pole, 50kA, 415V, 50Hz, AC, I-O-II operation manual type, open / closed construction as per site requirement, adjustable type of thermal and magnetic setting handle, including all necessary cable lugs, wires, etc. complete all as specified and as directed

S&F in repairs changeover swicth 63A, 4 pole, 50kA, 415V, 50Hz, AC, I-O-II operation manual type, open / closed construction as per site requirement, adjustable type of thermal and magnetic setting handle, including all necessary cable lugs, wires, etc. complete all as specified and as directed

S& in repairs alumnium lugs including nuts, bolts, washers, etc. complete all as specified and as directed suitable for LT UG XLPE cables of the following sizes:

S&F in repairs MS eye bolt for hanging AB cables including all necessary forging, bending, nuts, bolts, washers, etc. complete all as specified and as directed

S&F in repairs strain clamps for hanging AB cables including all necessary nuts, bolts, washers, etc. complete all as specified and as directed

S&F in repairs dead end clamps for hanging AB cables including all necessary nuts, bolts, washers, etc. complete all as specified and as directed

S&F in repairs piercing connector for hanging AB cables including all necessary nuts, bolts, washers, etc. complete all as specified and as directed

S&F copper strip25x4mm with fixing screws for conducotrs/earth leadincluding brazing and nuts, bolts jointing all joints for building/equipment laid through pipe/trench/surface including taking down old unserviceable, complete all as specified and as directed.

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate as in coping to poles, etc. including all necessary formwork complete all as specified and as directed

M&L for plain cement concrete 1:2:4 (type B-2) using 40mm graded stone aggregate as in foundation filling, mass concrete, etc. complete all as specified and as directed

&L for earthing using GI earthing strip with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI strip of size 32x6mm extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 50mm medium grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications, taking down and disposing off old earthing complete all as specified and as directed

Notes for serial item No. 67: (i) The cost of GI earth continuity wire / strip with GI pipe 20mm medium grade upto 7.5m is deemed to be included (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item (iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge

MS AFTAB LASKAR (BID ID -3308277)

M/S TAPAN KUMAR RAY (BID ID -3307586)