Construction of tubwell upto 100 meter depth and above in all type of rocks by DTH system and over burden ,to accommodate casing pipe of following sizes in all types of soils and over burden including lowering of casing pipes, but excluding cost of casing pipes as per IS-2800(part I & II) 1979 specifications. The work would be completed after obtaining sand free water. The tube well should have throughout bore as per nominal dia of casing pipe.
2
Nominal bore 125 mm dia.
3
Nominal bore 100 mm dia.
4
Supply of L.R.W.. MS black casing pipe mark is 4270/1992 of B grade Fe 410 of following size at site of work 100 mm dia nb 1
5
Supply of ISI mark II handpump set complet ISI mark with cyllinder & 10 connecting rods etc.
6
Supply & installation of 32 mm diametre GI pipe medium class ISI mark in three metre length including all acceseories & fitting required for installation of handpump
7
Installation of indian mark 2 handpump set completion axisting platefarm
8
Construction of 185 cm. dia platefarm as per approved design & drawing of unleef Aditional connecting road
9
Additional Connection Road
10
Construction and commissioning of Recharge pit including all labour & materiall size 10x1 0x1.50 m including excavation in all type of strata, construction of brick masonary wall 23 cm thick in C.S.M 1.6 on 10 cm P.C.CM-10. Inside wall shall be plastered with CSM 1:6 20 mm thick and 50 mm thick CC on top of brick walls Recharge pit shall be filled 50 cm with stone ballast, 60 cm thick filter media in 3 layers (12-20 mm thick pebble, 6-10 mm thick gravel and 1-3 mm coarse sand in duly cleaned and washed Remaining area shall be filled with Please Enable Macros to View BoQ information
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