PROVN OF CHEMICAL EARTHING PIT AT TECH AREA AT LKT AT AF STN BHOWALI.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying pipes or foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n.exc 10sqm on plan and n.exc 1.5m in depth and getting out in hard and dense soil.

All as per srl item No 1 above but for each additional 1.5 M or part there of in depth beyond 1.5 M in soft and disintegrated rock.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm in any type of soil.

Removing excavated material (soil) to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point.

Material , labor testing and commissioning of Chemical earthing with copper earth plate 90X60X5 MM & copper earth strip 50X6MM, 7.5 M length including earth pit cover HDPE of size 300X300X260 MM and testing on completion complete al as specified and directed. Note- (a) Exc and earth work will be measured and paid seperately under relevent item. (b) Copper strip and earth plate should be joint by bracing . (c) First earth test report will submit after completion.

M&L for earth continuity conductor or main earthing lead fixed to wall or or burried in ground or any other indicated situation with copper strip 50 X 6 MM . Note- All joints should be fixed by bracing.

Supply and fixing heavy duty DMC insulater (Dough moulding compound) for support complete suitable for fixing 50X6 mm strip