GER-46/2022-23 Repair/replacement of LT overhead lines, underground cable, LT panels and connected works at Dett-B AOR under GE 862 EWS

Amount

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 50 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 120 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 95 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 70 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 35 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 16 sqmm 4 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Supply,laying, jointing and testing, XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 16 sqmm 2 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed. (Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE).

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth not exceeding 10sqm on plan for laying of cable and foundation of poles stays and getting out in soft / loose soil complete all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm (soil) thickness all as specified and directed.

Removing of excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

M&L for dry sand cushioning to underground cable, provided with a layer 8 cm thick before and 15 cm deep after laying and stretching jointing and testing the cable complete all as specified and as directed. (Note: Punned thickness of sand shall be measured and paid).

Supplying and laying reinforced precast concrete cable cover, class LV, type 1 flat, size 250mm x 150mm x 40mm complete all as specified and directed.

M&L for cable route indicator LT type made of metal cast iron, strip size not less than 32x4 mm, height 300mm and round shape of dia not less than 8 cm with embossed LT welded or reveted strip and round plate each other including necessary requirement of PCC 1:3:6 type C-1 20mm graded agregate all as specified and directed.

M&L for 50mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection complete as in repair all as specified and directed.

M&L for 80mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection complete as in repair all as specified and directed.

S&F for MCCB 63 Amps three pole adjustable thermal and magnetic setting type,16 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCB any make and provision of suitable size of lugs for existing cable complete as in repair all as specified and directed.

S&F for MCCB 100 Amps three pole adjustable thermal and magnetic setting type,16 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCB any make and provision of suitable size of lugs for existing cable complete as in repair all as specified and directed.

S&F for MCCB 160 Amps four pole adjustable thermal and magnetic setting type,25 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCCB any make and provision of suitable size of lugs for existing cable complete as in repair all as specified and directed.

S&F for MCCB 200 Amps four pole adjustable thermal and magnetic setting type,25 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCCB any make and provision of suitable size of lugs for existing cable complete as in repair all as specified and directed.

S&F for MCB 63 Amps four pole adjustable thermal and magnetic setting type,16 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCB any make and provision of suitable size of lugs for existing cable complete as in repair all as specified and directed.

S&F for MCB 32 Amps four pole adjustable thermal and magnetic setting type,16 KA breaking capacity, 415 volts, 50 Hz including taking down old unserviceable MCB any make and provision of suitable size of lugs for existing cable complete all as specified and directed.

M&Lfor earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m deep below normal ground level connected to and including 25X4mm thick galvanised iron strip by means of bolts, nuts, checknuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 40mm bore GI pipe light grade for protection of earth strip and PCC 1:2:4 type B-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion complete after dismantling of old unserviceable earthing with all material etc all as specified and directed. (Note:-Earth strip and protection pipe upto board is included in the rate quoted)

M&L for earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of the earth plate at a depth not less than 1.5 mtr below ground level, earth plate surrounded by and packed with 15 cm thick layer of char coal dust and common salt, earth lead GI wire 4.00 mm dia by means of bolts, Nuts, Check Nuts and washers of galvanized iron and thimbles and other end of the earth wire connected to main switch board and protected by galvanized iron pipe light grade 15 mm bore and water pipe 20 mm bore GI light grade with funnel and wire mesh PCC chamber in cement concrete 1:3:6 type C-2 & RCC cover all as specified & shown in elect plate No. 3 of SSR part I of 2010 including testing on completion after dismantling of old unserviceable earthing with material etc. complete all as specified and directed.

M&L for painting to LT Prestressed concrete poles of size 9mtr long with two coats of acrylic emulsion paint over a coat of primer including making alternats strips each of 30 cm height with black and yellow synthetic enamel paint upto 1.20 mtr height from top of PCC coping complete all as specified and directed.

Tightening of existing ACSR conductor on LT overhead line of any size and type of span of 1x5 Nos of conductor wires, length 40 to 50mtr approximate of each span including 1 run of GI earth wire 4mm dia and including making the jumpher connections and including cutting, trimming tree branches of various length on both sides to keep a clear distance 2 mtr from the pole and depositing the cut branches upto 50 mtr from the pole including taking shut down in writing with all safety measure as per electric rule complete all as directed by the Engineer-in-Charge. (Note :- Materials/T&P like Axes, rope, gloves, safety harness etc. and the like will be provided by the contractor without any extra cost)

M&L for steel tubular swaged poles errected to truly vertical position with 6mm thick mild steel base plate of size 300mm x300mm, welded to Pole, B-118 finial taper plug, bolts, nuts and screws, poles made out of ERW MS tubing conforming to IS-2713 Part-II, type 410-SP-31 (9m long) including drilling of holes of required size for fixing of cross arms, painting the exposed surfaces of pole with two coats of aluminum paint over a coat of red oxide zinc chrome primer and with two coats of black bituminous paint internally and portion embedded in concrete, making five black and white bands at lower portion of pole each 300mm wide at 300mm spacing alternately and marking pole number. with black paint at suitable height including taking down old unserviceable broken steel pole of 9 mtr long complete all as specified and directed. (Note :- Necessary excavation of earth work, removing, returning filling in, PCC foundations of poles, coping etc shall be measured and paid separately)

M&L for PCC 1:4:8 (nominal mix) type D-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete of poles and stay/installation paths complete all as specified and directed.

M&L for plain cement concrete type B-1 , 1:2:4 (using 20mm graded stone aggregate) as in coping of poles, benching, hold fasts, water troughs, bed block and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work complete all as specified and directed.

M&L for complete removal of existing paint from the steel tubular swaged pole of 9 mtr height without removing accessories and preparation of surfaces for repainting the poles with and including two coats of synthetic enamel paint upt 1.50mtr height having alternative white and yellow strips of 30cm height each, including one coat of aluminium paint to the remaining part of pole (i.e above 1.50 mtr height) and its corss arms bracing, support and all steel members complete etc all as specified and directed.

M&L for complete removal of existing paint from the steel tubular swaged pole of 11 mtr height without removing accessories and preparation of surfaces for repainting the poles with and including two coats of synthetic enamel paint upt 1.50mtr height having alternative white and yellow strips of 30cm height each, including one coat of aluminium paint to the remaining part of pole (i.e above 1.50 mtr height) and its corss arms bracing, support and all steel members complete etc all as specified and directed.

Cutting/trimming of tree branches under OH HT electric line including cleaning upto 2.00 mtr horizontal distance on both sides of OH electric line from ground level of the poles including removing all creepers small bushes etc of under OH line upto 60 mtr each sapn and depositing the cut branches upto 50mtr from the pole including taking shut down in writing with all safety measure as per electric rules complete all as directed by Engineer-in-Charge. (Note :- Materials/T&P like Axes, rope, gloves,safety harness etc. and the like will be provided by the contractor without any extra cost )

S&F for change over switch, 4 pole, 415 Volts of rating 400Amps, 3 phase, 50 Hz, side handle operated type, on load type in sheet metal enclouser of 2mm thick CRCA sheet, powder coated wheather proof connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc complete as in repair all as specified and directed.

S&F for change over switch, 4 pole, 415 Volts of rating 250Amps, 3 phase, 50 Hz, side handle operated type, on load type in sheet metal enclouser of 2mm thick CRCA sheet, powder coated wheather proof connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc complete as in repair all as specified and directed.

S&F for change over switch, 4 pole, 415 Volts of rating 160Amps, 3 phase, 50 Hz, side handle operated type, on load type in sheet metal enclouser of 2mm thick CRCA sheet, powder coated wheather proof connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc complete as in repair all as specified and directed.

S&F for change over switch, 4 pole, 415 Volts of rating 100Amps, 3 phase, 50 Hz, side handle operated type, on load type in sheet metal enclouser of 2mm thick CRCA sheet, powder coated wheather proof connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc complete as in repair all as specified and directed.

Supply , install, testing and commissioning of factory made bus bar chamber panel of size 600mmx 900mmx350mm ( CPRI approved) out door type 3.15 mm with 4 strips 200 Amps bus bar aluminium, with MCCB of 40 Amp, FP, 16 KA adjustable type duly connected to aluminium strip at incoming side with suitable space for 2 incoming cable and outgoing of 2 cable. Bus bar fixed on insulators in zig-zag position, clearance in each strip and clearnace at both side should not be less than 125mm with sufficient working space, height of bus bar chamber not less than 1 mtr, mounted MS angle 50mmx50mmx6mm, made of CRCA sheet 2mm thick outdoor type powder coated after seven tank process both side opening, shutter in two parts, cable opening form bottom side with indicators R,Y,B, hinges through out the length of shutter with half turn locking arrangement, including grounting in PCC, all as directed by Engr-in-charge.

S&F for cable jointing kit for 1.1KV grade cable for straight through joint complete with jointing material (heat shrink type) and accessries suitable for XLPE armoured aluminium cable of size 70 sqmm to 95 sqmm of 3.5 core and testing after jointing of cable all as specified and directed.

S&F for cable jointing kit for 1.1KV grade cable for straight through joint complete with jointing material (heat shrink type) and accessries suitable for XLPE armoured aluminium cable of size 25 sqmm to 50 sqmm of 3.5 core and testing after jointing of cable all as specified and directed.

Note:- The contract sum arrived after deduction of amount of Sch of credit as listed in tender Documents.

M/S PARSHOTAM KUMAR GUPTA

M/S Chib Engineers