Public Health Engineering Department Tender

Recovery of Hard rock useful material 30%

Add extra over item No. 2.39.2-4 for every additional lift of 1.5 Mtr. or part thereof : In Ordinary rock and hard rock.

In ordinary rock and hard rock

from 18.00 m to 19..50 m BGL

from 19.50 m to 21.00 m BGL

from 21.00 m to 22.50 m BGL

from 22.50 m to 24.00 m BGL

from 24.00 m to 25.50 m BGL

from 25.50 m to 27.00 m BGL

from 27.00 m to 28.50 m BGL

from 28.50 m to 30.00 m BGL

Structural steel work in single section fixed with or without connecting plate including cutting, hoisting ( height upto 10m), fixing in position and applying a priming coat of approved steel primer all complete.

In flates, tees, angles & Channals

In R.S. Joists

Labour charges for horizontal boring 100 mm dia in open well in rocky strata with all types of rock cutting & drilling tools etc. including all T&P required for job including dewatering arrangement.

Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc

3 core 6.0 Sq.mm

Providing & Lowering in tube well ISI marked GI Pipe medium duty (“B" class), Steel tube as per IS:1239 or amended up to date and zinc coating as per IS 4736, threaded and double flanged (welded) on both ends and two number 25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect.

50 mm dia

Providing, installation, testing and commissioning of submersible Monoblock pump set conforming to IS 8034 and 2 pole motor operating at synchronised speed of speed 3000 RPM, with water proof winding. Pump shall be suitable for various delivery head and discharge with stainless steel shaft. Motor suitable for working on 415 V ± 10%, 3 Ph, 50 Hz AC and with water lubricated bearing to accept entire hydraulic thrust. Supply, with cable guard, thrust carbon/fibre bearing to withstand entire hydraulic thrust. The pump set shall be suitable for direct coupling, with suitable suction strainer. Pump should have suitable discharge out let as per manufacturer's design. Antithrust stream lined non return valve shall be provided with the pump and minimum 6 m submersible copper conductor cable in single / double run and 2 pairs of suitable size erection clamp 10 mm thick shall be provided with each pump etc. complete in all respect as per specification, scope of work and direction of Engineer in Charge of following poery, tools, and tackles required, construction of temporary works as

5.5 KW (7.5 HP)