Drilling lowering and installation of Mark III 65mm deepwell Hand pump 87 mtrs deep at Salehran in Tehsil Nalagarh District Solan HP

Amount

Transportation of suitable truck/ tractor mounted away road head. DTH and ODEX/ percussion calyx/ RC drilling with portable rings alongwith necessories etc. to the site of work and erection of portable rings including entire carriage of materials in all leads and lifts upto site of work complete in all respects as per the directions of Engineer- in charge.

Drilling bores of 152mm dia as per IS: 2800-1979 using ODEX (TUVEX) attachement required drilling in collapsible strata conglomerate, boulders, pebble, gravel, silt, clay etc. including cost of attachments consumable stores, bits, water Pol etc complete with system of simultaneous lowering of 125 mm nominal bore 5.00 thick MSERW fincut casing pipe which will be welded together using 2.5 mm or 3.25 mm dia. Advani overlikon electrodes, with one plain end the other end chamfered to 50 degree removing paint on the area to be welded inclusive of the cost of bio-degradable and non-toxic foam flush etc. complete in all respect as per direction of Engineer-in-Charge. MSERW fincut casing pipe, casing shoe and bit tube as per requirement of ODEX to be paid seperatly.

Supplying and lowering of IS marked 125mm dia. N.B.5.00 mm thick fincut MSERW casing pipe as per IS4270: 2001 and requirement ODEX attachment from approved manufactureres complete in all respect as per the direction of Engineer-in-Charge at site.

Providing 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 at site.

Collection and preservation of soil samples in polythene bags after every 1 mtrs 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 direction of Engineer-in-Charge

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

(I) 65mm dia GMS pipes

(ii) 32mm dia GMS pipes

Supplying and erection of IS marked India Mark-III deepwell hand pumps (65mm) conforming to IS 13056-1991 consiting of pump head assembly, cylinder assembly and seven connecting rods complete in all respect for installation upto 40 metre depth as per directions of Engineer-in-Charge.

Providing and fixing of extra connecting rods each of upto 3 mtrs.length in hand pumps as per site requirement complete in all respects as per directions of Engineer-in-Charge.

Providing and laying cement concrete 1:2:4 (1 cement :2sand:4 graded stone aggregate 20 mm nominal size) in pedestal 75 cm X 75 cm X 40 cm including curing, cost of earth work in foundation form of work in all lead and lifts complete in all respects as per directions of the Engineer in-charge.

SHYAM LAL (BID ID -514703)

PRADEEP KUMAR (BID ID -515137)