Strengthening of Water Supply (Re-Boring of Tubewell No.-1/57 at Sector-57, 2/60 at Sector-60, 1/1 at Sector-1, 1/120 at Sector-120, UGR F-block Sector-63) Noida.

Part - A (Erection of New Boring) Boring/drilling bore well of required dia for casing / strainer pipe, by suitable method prescribed in IS:2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-Charge, upto 90 metre depth below ground level. Rocky strata including Boulders. (Rate taken after manipulate DSR-13 rate)

0 to 60.00 meter depth

60 to 90.00 meter depth

90 to 120.00 meter depth

Making of auxilliary well for water supply for drilling purpose water etc. refilling the same after proper completion of work.

Supply and lowering 7mm thick screwed and socketted MS ERW M.S. Pipe 300mm dia of heavy class.

Electric Resistance Welded (ERW) Stainless steel cage type V wire wound screens shall be of continuous trapezoidal wire spirally wound around fabricated eage. The screen must eonsist 'V' shaped (wedge) profile wire of various dimensions, resistance welded to a cylindrical body made of number of longitudinal special high tensile support rods to provide smooth unrestriected bore wthich are in turn welded into cylindtrical ring couplings at either end as per IS : 8110-2000 with latest amendments and material specification as per AISI (Americal iron and steel Inst.) Type 304 Grade SS-304, 300mm dia pipe 8.00mm Thickness and 1.00mm Slot size. With stainless steel socket of 300mm (Johnson Make Stainless Steel or Applo Make)

Supply and lowering 350 mm dia 8mm wall thick MS housing pipe with screwed & socketed & male and femalethreads for joints etc.complete

Supply, Lowering & Showing the annular space between Tube Well bore and assembly with 2mm to 5mm thick Pea gravel.

P/F reducer 350 mm x 300 mm dia made out of 8.0 mm thick MS sheet.