IREL India Limited Tender

Transporting the drilling rig and accessories to site and drilling bore holes is all classes of soil such as, alluvial laterite,hard laterite,lime stone etc. drill a pilot bore hole 250/200 dia. by direct rotary mud circulation method using contractor own drilling rig. Sodium Bendonite or any other organic drilling fluid including supplying and packing good quality round pebble which should pass 10mm sieve and should retain in 4 to 8mm sieve as per IS standards and packing the same around the stainer pipes as directed by the company officials, developing thetube well including back washing to remove the drilling mud to open out the stainers using air compressor to suitable capacity for minimum 15 hours with yield test and sealing bottom of the well etc. as directed by the officers concerned. hire charges for compressor logging machine and other tools and plants, all conveyance charges all labour charges for logging, fuel charges, cost of lubricants, water, Bendonite powder and all other materials and labour required for drilling, developing the tube well including back washing to remove the drilling mud to open out the strainers using air compressors of suitable capacity and scaling the bottom of well including yield test as per the direction of departmental officers etc. complete. The bore hole shall be truly in vertical alignment (18" dia. MS Casing pipe will issued free of cost)

Supplying, conveying to site, jointing and lowering position 200mm dia. deep well UPVC plain CD pipe of IS-12818 (Jain/ Bhavani or equivalent make approved by IREL) having minimum 13.00mm to 14.80mm wall thickness providing necessary anchorage at the bottom pipe bef.

Supplying, conveying to site,jointing and lowering in position 200mm dia. deep well UPVC slotted stainer CD pipe of IS-12818 (Jain or equivalent make approved by IREL) having slots about 3mm in width and 750mm in length the slots are"V" shaped with smaller opening in the outside providing necessary anchorage at bottom pipe before erection including conveyance of pipes hire charges of tools and plants labour charges etc.complete as per standard specification.