Himachal Pradesh Irrigation And Public Health Department Tender

Transportation of Rig along with allied accessories etc. complete including errection and levelling at site, through all kinds of roads, approaches fields etc. in all leads and lifts completed in all respects as per the directions of Engineer - in-Charge.

Drilling of bore as per specification laid down in IS 2800-1991 (part-I) with upto date ammendments,if any,with percussion Rig /Direct Rotary Rig or combination drilling Rig. starting with 650-600 mm dia M.S pipe reduced to 450-400 mm dia M.S pipe confirming to IS 4270-2001 with up-to-date ammendements ,if any, in all kind of soils, boulders, rocks, collapsible strata, saturated soils,artesian conditions including the cost of all consumable, stores,water,fuel,lubricants and other accessories etc. complete in all respectsd as per the directions of the Engineer -in -Charge.

Supply and Lowering at site Electric Resistance Welded ( ERW) Stainless Steel Cage type "V" wire wound screens of size 300 mm , 8 mm thick with slot opening 1.0 mm,as per IS 8110-2000 with upto date ammendments,if any, and material specification as per AISI" American Iron and Steel Inst " Type Grade SS-304 in suitable lenghts as per site conditions, including the cost of SS socket 8mm thickness(supplied by the department ) of length 140 mm, confirming to AISI grade 304, suitable to accomodate screen and ring including jointing screen with blind pipes complete in all respects all scaffolding derricks, poles, clamps, embedding in foundation etc. including cost of all cutting, threading and welding of pipes etc. within all leads and lifts complete in all respects as per the directions of the Engineer - in - Charge. Screen will be of continuous trapezoidal wire spirally wound around fabricated cage. The wrapping wire having "V" shaped ( Wedge) profile wire with flat surface on the outside and producing expanding slots on the inside of various dimensions, resistance welded to a cylindrical body made of number of longitudinal special high tensile support rods to provides smooth unrestricted bore which are in turn welded into cylindrical ring couplings on both sides of screens.