REPAIR, MAINT OF EARTHING INFRASTRUCTURE IN DOMESTIC AREA AT AFS CHAKERI, KANPUR

Amount

Dismantling of old unserviceable earthing of any size and deep complete all as specified and directed.

Taking down main switch/DB/AC box of any capacity including fixing accessories complete all as specified and directed.

S&F double door metallic sheet metal enclosure for DB when MCBs to be used SPN 8 ways, 240 V with 200Amps rated bus bar complete fixed properly on in concealed position and to provide required sizes of flexible conduit at any open surfaces near DBs of cables/wires complete all as specified and directed. Make : Legrand/Schneider/ABB

S&F double door metallic sheet metal enclosure for DB when MCBs to be used TPN, 4 ways, 415Volts (horizontal type) with 200 Amps rated bus bar suitable for TPN MCB / 4 pole Isolator fixed properly on in concealed position and to provide required sizes of flexible conduit at any open surfaces near DBs for cables/wires complete all as specified and directed. Make : Legrand/Schneider/ABB

Supply, fixing, testing and commissioning of MCB SP 240 volt 6 Amp to 32 amp 10 KA capacity having C-curve characteristics connected with suitable lugs fixed in repairs complete all as specified & directed. Make : Legrand /Schneider/ ABB

All as per item No 5.00 but of MCB SP 40-63 Amps complete all as specified and directed. Make : Legrand / Schneider/ABB

All as per item No 5.00 but of MCB SPN 32 Amps complete all as specified and directed. Make : Legrand Cat No 408617 or equivalent in Schneider/ABB

All as per item No 5.00 but of MCB TPN 40 / 63 Amps complete all as specified and directed. Make : Legrand Cat No 408792 / 408794 or equivalent in Schneider/ABB

S&F sheet metal enclosure , 20A single pole and neutral with a two pin and earth plug and socket complete in metal clad board with one single pole MCB 20 Amp fixed properly on in concealed position complete all as specified and directed. Make : Legrand/Schneider/ABB

M&L for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal GL) with top edge of the earth plate not less than 1.5 m below normal GL, connected to galvanized earth lead wire 4 mm dia by means of bolts, nuts, check nuts & washers of GI or steel including excavation, earthwork, PCC (1:3:6) type C-1 (using 20 mm graded crushed stone aggregate) chamber with 40 mm thick RCC cover (1:2:4) type B0 (using 12.5 mm graded crushed stone aggregate), reinforced with 6 mm dia bar, 3 Nos. both way, 15 mm dia light grade GI pipe for protection of earth lead, funnel with wire mesh, GI watering pipe of size 20 mm dia light grade, lugs, main earthing lead upto 7.5 m including charcoal dust -35 Kgs, Salt - 50 Kgs etc complete all as shown in electrical plate No. 3 of SSR Pt-I, 2009 specification complete all as specified and directed.

M&L for earthing complete with copper earth plate electrode 600 x 600 x 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal GL) with top edge of the earth plate not less than 1.5 m below normal GL, connected to copper earth strip 20 x 3mm by means of bolts, nuts, check nuts & washers of GI or steel including excavation, PCC (1:3:6) type C-1 (using 20 mm graded crushed stone aggregate) chamber with 40 mm thick RCC cover (1:2:4) type B0 (using 12.5 mm graded crushed stone aggregate) reinforced with 6 mm dia bar, 3 Nos. both way with MS frame, 25 mm dia light grade GI pipe for protection of earth strip, funnel with wire mesh, GI watering pipe of size 20 mm dia light grade, lugs, main Earthing lead upto 7.5 m including Charcoal dust-35 Kgs, Salt-50 Kgs etc all as shown in electrical plate No. 3 of SSR Pt-I, 2009 specification.

M&L for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal GL) with top edge of the earth plate not less than 1.5 m below normal GL, connected to GI earth strip 32 x 6mm by means of bolts, nuts, check nuts & washers of GI or steel including excavation, eartwork, PCC (1:3:6) type C-1 (using 20 mm graded crushed stone aggregate) chamber with 40 mm thick RCC cover (1:2:4) type B0 (using 12.5 mm graded crushed stone aggregate) reinforced with 6 mm dia bar, 3 Nos. both way, 40 mm dia light grade GI pipe for protection of earth strip, funnel with wire mesh, GI watering pipe of size 20 mm dia med grade, lugs, main Earthing lead upto 7.5 mtr including Charcoal dust - 35 Kgs, Salt -50 Kgs etc all as shown in electrical plate No. 3 of SSR Pt-I, 2009 specification. Note for Items No 10 to 12 (a) Site of only 05 Nos earthing to be handed over on daily basis and the same will be completed on the same day. Accordingly M&L for the same will be arranged by the contractor. No open hole to be left for more than 01 days. A penalty of Rs 500 Per day per site to be imposed on the contractor for the same in case of failure to do so (b) Complete material required for earthing for each day be procured/brought by the contractor before starting the work at site. (c) Broken/damged earthing pit due to any reason be repaired by the contractor without any extra cost. Accordingly proper ramming of earth soil before making of earth pit be ensured by the contractor. (d) Any other material required for making good the existing surface/floor after earthing be brought by the contractor without any extra cost. (i.e tiles any type and size as per existing).

M&L for cutting / boring of PCC/hard standing at a depth not more than 15 cm deep and 15 cm in breadth for passing earthing conductor and making good the disturbed surfaces with PCC (1:2:4) type B-0 (using 12.5 mm graded crushed stone aggregate) or cement mortar (1:3) complete all as specified and directed.

Supply and fixing of GI pipe light grade of size 15 mm bore for laying in trenches/floors or walls including all fittings for fixing including taking down old GI pipe complete all as specified and directed. Make:- TATA/Jindal/Swastik/Prakash Surya

Supply and fixing of GI pipe light grade of size 40 mm bore for laying in trenches/floors or walls including all fittings for fixing including taking down old GI pipe complete all as specified and directed. Make:- TATA/Jindal/Swastik/Prakash Surya

M&L earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron or steel wire including taking down old earth lead complete all as specified and directed.

Supply & install GI strip 32x6mm buried in ground for earth continuity from earth electrode to test point terminal block complete including taking down old earth strip all as specified and directed.

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