AS PER BOQ

Deep drilling of bore hole 125 mm dia. upto 70 mtr BGL as per the Strata encountered including installation, testing and commissioning of Mark-II hand pump as per IS specifications by using ODEX method. The job includes extraction of MS casing pipe f any required during the drilling work and construction of platform as per site conditions

Providing of 125 mm dia. M.S. Casing Pipe. The 125mm dia. M.S. Casing Pipe ISI marked should have thickness of 5.4mm conforming to as per IS 4270 / 2001 medium class (Part-I) 2004 electric resistance welded beveled ended inside beed free pipes. All pipes from inside and outside to be provided with two coats of anti-corrosive paint of superior/approved quality. There should be no circumferential weld. The pipe from inside should be beed free having smooth finish. Each pipe shall have subjected to hydraulic pressure test at the manufacturer works in accordance with IS 4270/2001 with latest amendments. All the physical and chemical properties of pipe including tensile strength should be in accordance with IS 4270/2001 with latest amendments.

Providing of Mark-II Hand Pump should be ISI Marked Deep Well (Plain) Hand Pumps Mark-II conforming to relevant IS Code with upto date amendments complete with accessories and along with 8 Nos, 3 mtr long Riser Pipe of 32mm nominal bore, hot dip galvanized, screwed and socketed, fitted with socket made of seamless tube or machined from solid bar. Sockets fitted at one end thread protector at the other end and with 8 Nos of connecting rods made of bright bar electro galvanized, fitted with coupler and fitted with stand assembly