CA No GE/H-29/2021-22 REPAIR/MAINT AND IMPROVEMENT TO EARTHING OF HT/LT DISTRIBUTION SYSTEM AND LIGHTING PROTECTION AND ALLIED WKS AT AHRR UNDER GE E/M RRH DELHI CANTT-10

Amount

Dismantling of old u/s earthing complete with accessories complete all as specified and directed by Engr-in-Charge.

M & L for Earthing complete with galvanized steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground(earth) pit not less than 2.25 meter deep below normal ground level) with top edge of earth plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Pt-I connected earthing test point/panel all as specified including GI PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate, 50mm thick cast iron frame with CI cover, funnel and wire in mesh excavation and earth work complete all as specified and directed by Engr-in-Charge.

M & L for Earthing complete with galvanized steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground(earth) pit not less than 2.25 meter deep below normal ground level) with top edge of earth plate not less than 1.5mtr below normal ground level connected to galvanized earth strip of size 25 mm x 4 mm by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Pt-I connected earthing test point/panel all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge.

M&L for Earthing complete with copper plate 60cm×60cm ×3.15mm thick electrode, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to 20×3 mm copper stripby means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical plate No 5 of SSR Pt-I connected earthing test point/panel all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge.

M&L for Borewell Earthing by drilling 6" dia bore hole with DTH bore machine and in any type of strata providing 50 mm dia medium grade GI pipe duly drilled all around 15mm dia hole at a distance of 200mm from hole to hole upto 30 meter depth and providing charcol/ salt mixture all around the pipe and connecting top edge of pipe with galvanised earth strip of size 32 x 6mm upto 7.5 meter upto test point including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funnel and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge. Note :- Quoted rated are deemed to include suitable size PCC pit cast iron frame with CI cover, funnel of suitable size and providing 6" dia MS pipe medium grade upto 3 mtr depth from top level, Earth results should not be more than 1 (one ) Ohm.

M&L for Borewell Earthing by drilling 6" dia bore hole with DTH bore machine and in any type of strata providing 50 mm dia medium grade GI pipe duly drilled all around 15mm dia hole at a distance of 200mm from hole to hole upto 25 meter depth and providing charcol/ salt mixture all around the pipe and connecting top edge of pipe with galvanised earth strip of size 32 x 6mm upto 7.5 meter upto test point, complete all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge. Note :- Quoted rated are deemed to include suitable size PCC pit cast iron frame with CI cover, funnel of suitable size and providing 6" dia MS pipe medium grade upto 3 mtr depth from top level, Earth results should not be more than 1 (one ) Ohm.

M& L in repair for 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 of size 20x3mm copper strip complete all as specified and directed by Engr-in-Charge.

All as per item No 07 above but for aluminium of size 25x 3 mm.

M&L in repair for GI Tubes, 'medium grade' with all fitting and fixed complete to walls and ceilings or laid in floor of size 40 mm dia complete all as specified and directed by Engr-in-Charge.

All as per item ser No 09 above but for 32 mm dia.

All as per item ser No 09 above but for 25 mm dia.

All as per item ser No 09 above but for 20 mm dia.

All as per item ser No 09 above but for 15 mm dia.

M&L in repair Bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe 15 mm or for brass ferrule and fixed complete all as specified and directed by Engr-in-Charge.

M&L in repair for Gun-metal, globe or gate valves of 25 mm, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed by Engr-in-Charge.

All as per item ser No 15 above but for 32 mm dia.

All as per item ser No 15 above but for 40 mm dia.

M&L in repair for making PCC earth pit with PCC 1:3:6 type C2 including dismantling existing broken surface and fixing of CI cover fixed with iron frame complete all as specified and directed by Engr-in-Charge.

M&L in repair for Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos. 8mm dia 25mm long hexagonal. head screw including necessary cutting and welding work complete all as specified and directed by Engr-in-Charge.

Excavation in trenches in soft / loose soil not exceeding 1.5 meter depth and not exceeding 1.5 meter wide and getting out complete all as specified and directed by Engr-in-Charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed by Engr-in-Charge.

Removal of excavated material not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meter above the starting point complete all as specified and directed by Engr-in-Charge.

CHAUHAN ENTERPRISES

The Rahul Vig

ACR ENTERPRISES