Details: labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level in alluvial soil strata by mud rotary rig drilling as required to suit the site condition as per the direction of engineer in charge including use of own rigs with its accessories, tools and plants and all consumables (like coir rope, cotton waste and bentonite powder etc. complete) etc. for lowering of finished bore suitable for lowering (minimum 400 mm dia.) of 200mm dia gi/pvc pipe for housing fitted with sockets and with or without well screen as per the necessity for the soft medium, hard and boulder formations (. gi/pvc casing pipes if required by the contractor to prevent collapse of over burden portion ) including lower and withdrawing of casing pipes after drilling 200mm to 450mm dia in over burden portion for drilling of 200 (8") dia pipe (from 0 mtr. to 80 mtr.) supply of all labour & t&p for lowering the following sizes of pvc pipes with or without slotted pipes
Sector: Irrigation