Details: external ph works labour for drilling a perfectly vertical bore hole at specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination rigs as required to suit the site condition as per the direction of the engineer-in-charge including use of own rigs with its accessories, tools and plants and consumables etc for lowering of 125 mm dia p.v.c/g.i/ms pipes for housing fitted socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation (g.i/p.v.c/m.s casing pipes if required to prevent collapse of over burden is to be provided by the contractor including lowering and withdrawing after completion of the tubewell) drilling of 125mm dia bore :-00 mtr to 15.00 mtr drilling of 100 mm dia bore :- 15 mtr to 65 mtr lowering of the following size g.i/p.v.c pipes with or without slotted pipes as per the necessary from ground level upto 30 mtrs depth and fitted
Sector: RDPR