PROVN OF GRID EARTHING NETWORK FOR HT EQUIPMENTS (EXT ELECT) AT SHIKARGARH AND AJMER LINE 33 KV TAKE OVER POINTS UNDER GE (A) UTILITY JODHPUR

Amount

M&L for bore well earthing by drilling bore with boring machine using perforated GI pipe 50 mm bore, heavy grade as earth electrode driven upto a depth of 50 mtr below ground level, providing common salt and charcoal in layers including GI pipe 150 mm bore light grade as casing of bore hole upto a depth of 12 mtr and GI strip of 32mm x 6 mm upto a length of 7.5 mtr including clamps, necessary nuts, bolts, washers or any other item required to complete the job all as to achieve desired earth result including chamber pit with cover, funnel, mesh complete, testing and commissioning of each earthing all as specified and as directed by Engr-in-Charge. Note:- GI earth strip if required beyond 7.5 mtr or as directed shall be measured and paid seperately under respective item of BOQ.

M&L 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 for galvanised iron strip of size 100mm x 10 mm complete all as specified and as directed by Engr-in-Charge. Note :- Main earthing strip shall be burried under ground and earth work will be measured and paid seperately under respective item of BOQ.

M&L 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 for galvanised iron strip of size 32mm x 6mm complete all as specified and as directed by Engr-in-Charge.

M&L for test point made of 100mm x 10 mm GI strip duly fabricated as directed and welded to main earthing strip and punched holes for connecting the earth lead including brass or cadmium plated nuts bolts and washers complete all as specified and as directed by Engr-in-Charge.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables, erection of poles, struts/stays etc not exceeding 1.5 m in depth and getting out in soft/loose soil complete all as specified and as directed by Engr-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 cm in soil complete all as specified and as directed by Engr-in-Charge.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and as directed by Engr-in-Charge.

Motorized/manual auguring under road or hard standing at 60cm depth or as directed for laying of GI tubing all as directed and as specified by Engr-in-Charge.

Supply and fixing GI pipe of following sizes, 'medium grade' with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed:- (a) 50 mm Bore

(b) 40 mm Bore

Shri Electrical Enterprises

SHOBHIT BUILDERS

BEYLIM INFRA

AUTOMATION AND SWITCHGEAR PANELS

RISING ELECTRICALS

OM BUILDERS