Public Health Engineering Department Tender

Drilling of 125 mm diameter tube well by air rotary drilling rig unit suitable for lowering of MS casing of 1'25mm diameter in suitably drilled bore hole as per specifications laid down in IS 2800 (Part-l) with up ta date amendments. The job is to be done in all kinds of soils, boulder, rocks, collapsible strata, saturated soils, artisan conditions by ODEX/DTH attachments and exploration of ground water by tapping sufficient aquifer zones. The job includes the cost shifting of drilling accessories, tools, bits, casing shoe, consumables like fuel, lubricants, skilled and unskilled labours and other unforeseen items. Development of tube well with backwash method with air compressor of minimum capacity 1000 CFM (300 PSI air delivery system) with suitable arrangements till well is thoroughly developed in all respects as per the directions of site engineer.

P/F of MS 125mm dia pipe and subsequent lowering of casing assembly and its welding after every 10 feet/20 feet, up to the drilled/desired depth. The casing is to be slotted as per the site requirement and as directed by site engineer. The specifications of the tube well shall be as under as per IS 4270

Providing,fitting and commissioning of single phase submersible type pumping unit along with allied jobs. Complete details of the job are as under. i)P/F/T and commissioning of single phase pumping equipment with following specifications: Discharge = 600 - 800 Gph, Head = 80 m - 60 m Motor Rating = Not Less than 1.5 HP. The pump motor is coupled together with a steel coupling. The job includes lowering of the submersible pump equipment.It includes P/F of MU-G/Panel starter suitable for motor rating and as decided by site engineer.