REPAIR/REPLACEMENT OF ACBS, LT PANELS, POLES EARTHING, LT UG CABLES AND CERTAIN MISC WORKS AT KANCHRAPARA MIL STN UNDER GE BARRACKPORE

Amount

Excavation in trenches for laying under ground cable, erection of poles and stays in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out complete all as specified and directed

Excavation in trenches for laying under ground cable, erection of poles and stays in soft/loose soil not exceeding 1.5 meter wide and exceeding 1.5 meter deep and getting out complete all as specified and directed

Returning, filling in, including spreading leveling, watering and well ramming in layers not exceeding 25cm in soft/loose soil complete specified and directed.

Removing surplus excavated soft/loose soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting points complete all as specified and directed.

M&L for sand cushioning to under ground cable in trenches/existing cable trenches/ducts in layers of 8 cm deep before laying the cable and 15 cm deep including required watering and consolidation after laying and stretching the cable complete all as specified and directed

M&L for brick covering with width equal to length of brick as mechanical protection to cable with well burnt sub class ‘B’ bricks of size 250mm x 125mm x 75mm laid dry flat complete all as specified and directed .

M&L for providing cement concrete (1:4:8), type D-2 (using 40 mm graded crushed stone aggregate) as in foundation, filling for poles complete all as specified and directed

M&L for providing cement concrete (1:2:4), type B-1 (using 20 mm graded crushed stone aggregate) for coping of poles including necessary form work and finished the surface smooth complete all as specified and directed.

M&L for providing cement concrete (1:3:6) type C-2 (using 40 mm graded crushed stone aggregate) as in foundation and mass concrete for stays complete all as specified and directed.

Supply, install, testing and commissioning of Air Circuit Breaker (ACB) 800 Amps, 4 pole, 65KA/60KA, 415volts, 50Hz, drawn-out type with microprocessor released, spring charged mechanism and shall be enclosed in sheet steel enclosure complete as in repair all as specified and directed. (Make: L&T Cat No. SL96067OOOO/Legrand Cat No 028751 as approved)

S&F for steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified conforming to IS- 2317/1980 type 410 SP-31 (9 metres long) complete with cast iron base plate including staying the poles in a truly vertical position till the foundations are properly set, including painting to pole (inside & outside) with two coats of aluminium paint on exposed surfaces of poles and two coat of black bituminous paint on embedded portion including taking down old unserviceable pole of any description complete all as specified and directed. (Note: Excavation, foundation concrete and coping will be measured and paid separately)

S&F for new stay assembly complete with accessories and GI stay rod 20 mm dia 1900 mm long, stay wire 7/4 mm stranded galvanised including mild steel stay plate 300 mm X 300 mm x 6 mm and galvanised thimble, galvanised steel 14 mm dia 400 mm long stay bow and GI nuts, washers including loop type insulator vitreous porcelain white, brown or green big size with overall dimensions 90 mm x140 mm clearance of hole 25.5 mm complete and complete all as specified and shown in electrical plate No. 1 of SSR part –I including dismantling of existing broken/unserviceable stay assembly. (Note : Excavation, stay clamps and concrete work etc will be measured and paid separately)

Taking down existing worn out/rusted GI earth wire, cradles, guards of any size and shape at any position from LT poles stretching new GI earth wire 8 SWG (4 mm dia) on LT poles for continuous earth wire/guards and cradles (hexagonal/rectangular) including 1.6 mm GI binding wire etc complete all as specified and directed.

Supply, fixing and stretching ACSR conductor of any size and type for overhead LT poles including binding at site to insulator with suitable size of binding wire etc after and including taking down old unserviceable ACSR conductor of any size and length at any position from LT poles complete all as specified and directed.

M&L for re-stretching of existing LT over head line, ACSR of any type and GI wire maintaining sag in permissible limit, including provision of new wire for insulator complete all as specified and directed .

M&L for proper cleaning the installation area, store yard area etc by cutting of grass, uproot of small plants/vegetation etc and brooming the area as per requirement by the Engineer-in-Charge complete all as specified and directed.

M&L for tree branches/vegetation cutting around the LT/HT lines and installations from line conductor to tree distance up to 4 mtrs and cutted wood pieces/vegetation materials disposal upto distance not exceeding 100 mtr at defence land location where as directed and including providing safety eqpts & cutting tools,ladders etc will be own arrangement by the contractor and complete all as specified and directed. (Note:- (1) Safety measures will be fully responsible by tenderer (2) During tree /branches/vegitation cutting any damages on OH lines/installation should be reuniform responsible fully by the tenderer with out any cost. (3) Approximately distance covered both side for the LT/HT lines/installations not exceeding 100 mtr measured as a one Job only)

S&F for galvanised steel cross arms, bracings, supports, clamp and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot drilling holes for bolts in any type, shape or as indicated and directed inclusive of one coat of red oxide primer over two coats of aluminium paint including dismantling of existing rusted/worn out mild steel cross arms angle, clamps, nuts, bolts and washers complete all as specified and directed .

S&F for shackle type insulator porcelain vitreous white, brown or green 1100 volts grade pressure, 115mm dia, 100mm high including galvanised strip of size 31X5 mm, 14mm dia insulators bolts, nuts and washers after and including taking down existing cracked/unserviceable shackle type insulator complete all as specified and directed.

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 10 sqmm, 2 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 16 sqmm, 2 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 25 sqmm, 2 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 35 sqmm, 2 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 16 sqmm, 4 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 25 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 35 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 50 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 70 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 95 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for XLPE insulated, LT armoured electric cable with aluminium stranded conductor 1100 volts grade, cross-sectional area 120 sqmm, 3.5 core laid in trenches/pipes/ducts/wall/borings with necessary cable lugs and glands, nuts, bolts and washers etc and testing complete after taking out old unserviceable cables from any position with serviceable bricks obtained from trenches complete all as specified and directed. (Note:Excavation/earth work, sand cushioning, cable cover/ bricks shall be measured and paid separately if required)

M&L for GI pipe 100 mm dia (light grade) complete with all fittings including clamps, nut, bolt and washers, for cable protection, supporting to poles, plinth protections, road/culvert crossing, trenches, footpath etc, complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode of size 600mm x 600mm x 6mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to galvanised steel earth strip of size 25 x 4mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanised iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 5 of SSR Part I including testing on completion after taking down old earthing and complete all as specified and directed . (Galvanised strip upto 7.5m including testing consider in this item).

M&L for GI pipe 50mm dia (light grade) complete with all fittings i.e clamps, nut, bolt and washers etc for cable protection in trenches, road/culvert crossing, on wall, floors, on roof, on pole complete including taking down old unserviceable pipe all as specified and directed.

S&F for MCCB, 100 Amps, 4 pole, 36KA breaking capacity Icu at 415 Volt with thermal magnetic release, 50 Hz complete as in repair all as specified and directed. (Make : L&T Cat CM92108OOL1OG/Legrand Cat No. 4200 95 as approved)

S&F for MCCB, 125 Amps, 4 pole, 36 KA breaking capacity Icu at 415 Volt with thermal magnetic release, 50Hz complete as in repair all as specified and directed. (Make - L&T Cat No. CM92108OOM1OG/Legrand cat No 420096 as approved)

S&F for MCCB, 160 Amps, 4 pole, 36KA breaking capacity Icu at 415 Volt with thermal magnetic release, 50Hz complete as in repair all as specified and directed. (Make - L&T Cat No. CM92109OON10G/Legrand cat No 420247 as approved)

S&F for MCCB, 200 Amps, 4 pole, 36KA breaking capacity Icu at 415 Volt with thermal magnetic release, 50Hz complete as in repair all as specified and directed. (Make : L&T cat No - CM92109OOP10G/Legrand cat No. 420248 as approved)

S&F for MCCB, 250 Amps, 4 pole, 36KA breaking capacity Icu at 415 Volt with thermal magnetic release, 50Hz complete as in repair all as specified and directed. (Make : L&T cat No - CM98403OOQOOG/Legrand cat No. 420249 as approved)

Laying only serviceable bricks obtained from Item No. 20.00 to 30.00.

Supply, installation, testing and commissioning of factory made CPRI approved LT panel board (out door type) of size 1000 mm (H) x 1000 mm (L) x 600 mm (W), suitable for working on 3 phase, 4 wire, 415 volts, AC, 50Hz, cubicle, floor mounted, free standing, dust and vermin proof, air ventilation with IP-54 protection made, out of 3.15mm thick CRAC sheet and frame (all sides) made of angle iron (50mmX50mmX6mm) and flats (50 x 6 mm) duly epoxy powder coated (seven tank process) compartmentrised with rubber gasket, hinged doors with handle. Panel shall have front and rear opening, locking arrangement with control fuses see through glass arangement, cable entry holes, aluminium busbar chamber, switch gear compartment, earthing terminals, affix danger notice plate, control copper wiring of adequate size and length etc the panel will be mounted on 50mm x 50mm x 6mm mild steel angle iron frame of height 45cm above floor level/ground level as per site requirement, and grouted legs below 45cm and including connecting up of existing incoming and out going cables by using new aluminium lugs and cable gland and connecting of earth strip and providing civil work/PCC foundation as per site requirement conductor etc and drawing/circuit layout approved by the GE after recommendation of AGE (E/M) after disconnecting of electric supply and earth conductor etc and after taking down old unserviceable panel board with all accessories/mounting etc complete all as specified and directed and including comprising of following items :-

Supply, installation, testing and commissioning of factory made CPRI approved LT panel board (out door type) of size 1000 mm (H) x 1000 mm (L) x 600 mm (W), suitable for working on 3 phase, 4 wire, 415 volts, AC, 50Hz, cubicle, floor mounted, free standing, dust and vermin proof, air ventilation with IP-54 protection made, out of 3.15mm thick CRAC sheet and frame (all sides) made of angle iron (50mmX50mmX6mm) and flats (50 x 6 mm) duly epoxy powder coated (seven tank process) compartmentrised with rubber gasket, hinged doors with handle. Panel shall have front and rear opening, locking arrangement with control fuses see through glass arrangement, cable entry holes, aluminium busbar chamber, switch gear compartment, earthing terminals, affix danger notice plate, control copper wiring of adequate size and length etc the panel will be mounted on 50mm x 50mm x 6mm mild steel angle iron frame of height 45cm above floor level/ground level as per site requirement, and grouted legs below 45cm and including connecting up of existing incoming and out going cables by using new aluminium lugs and cable gland and connecting of earth strip and providing civil work/PCC foundation as per site requirement conductor etc and drawing/circuit layout approved by the GE after recommendation of AGE (E/M) after disconnecting of electric supply and earth conductor etc and after taking down old unserviceable panel board with all accessories/mounting etc complete all as specified and directed and including comprising of following items :-

M&L for steel tubular pole painting of any type/size/length and removing from existing pole painting by using wire brush and using with emery paper and cleaning with chemical agents after cleaning of steel tubular pole and GI brackets and cross arms etc applying one coat of red oxide primer and two coats of aluminium paint upto smooth finishing and painting upto 1.5 mtr at bottom layer by layer 30 cm by 30 cm with yellow and black paint and 15cm wide circle around the pole to be made by blue paint after black paint to satisfactorily by Engr-in-Charge and painting work carryout at any height and including marking of pole numbers to be marked with black paint over 20 cm yellow paint circle as directed and safety equipments & tools will be own arrangement and complete all as specified and directed. (Note: cost of painting material is deemed to be included in quoted rate )

M/S D K Singha

INDUSTRIAL CONSTRUCTION