Providing and installation of 1 No deep borewell near Deonghat Chopra Apartments ward No.1 Solan Tehsil and Distt Solan.

Amount

Transportation of suitable truck/ tractor mounted where only road available, DTH & ODEX/ Percussion Calyx/ RC drilling with portable rigs alongwith necessary accessories etc. to the site of work and erection of portable rig including levelling etc. complete in all respects as per directions of Engineer-in- Charge.

Drilling bores of 165mm dia as per IS: 2800-1979 using DTH from ground level in the over burden as per directions of Engineer-in-Charge/ Hydrogeologist, with suitable rigs for drilling through rocky formations consisting of sand stone, limestone, dolomites, conglomerate, silt, clay or any other type of sedimentary, metamorphic and igneous rock including cost of attachments, consumable stores, bits, water, POL complete in all respect as per direction of Engineer-in-Charge.

From 0m to 30m depth

Above 30 mtrs.

Drilling bores of 152 mm dia as per IS : 2800-1979 using ODEX (TUBEX) attachement required drilling in collapsible strata conglomerate, boulder, pebble,gravels, silt, clay etc. including cost of attachments, consumable stores, bits, water, POL etc. complete with system of simultaneous lowering of 125 mm nominal bore, 5.0 mm thick MSERW fincut casing pipe which will be welded together using 2.5 mm or 3.25 mm dia. Advani Oerlikon electrodes, with one plain end and the other end chamfered to 50 degrees removing paint on the area to be welded, inclusive of the cost of bio-degradable and non-toxic foam flush etc. complete in all respects as per directions of Engineer-in-Charge. MSERW fincut casing pipe, casing shoe and bit tube as per requirement of ODEX to be paid separately.

Supplying and lowering of IS Marked 125 mm dia N.B. 5mm thick fincut MSERW casing pipes as per IS : 4270-2001 and requirement of ODEX attachement from approved manufacturers complete in all respect as per direction of Engineer-in-charge.

Prividing and fixing suitable casing shoe and bit tube as per requirement of ODEX attachment complete in all respects as per directions of Engineer-in-Charge.

Collection and preservation of soil samples in polythene bags after every 1 metre complete in all respects as per directions of Engineer-in-charge.

Development of borewell and yield testing with air compressor through V notch and disinfection etc. complete in all respects as per IS 2800: 1979 and as per directions of Engineer-in Charge.

Supplying and lowering of IS marked riser pipes, medium class screwed & socketed and welded as per IS: 1239-1990 (Part-1) with upto date amendments, electric resistance welded including cost of all cuttings, threadings and welding, wherever required, in random length of 3 mtrs. inclusive of transportation charges to the site complete in all respect as per direction of Engineer-in-Charge. The seamless sockets shall be provided as per IS: 13056-1991.

65mm dia

32mm dia

SRIDARSHAN ENTERPRISES (BID ID -523829)

rameshwar sharma (BID ID -523831)