Replacement of the damaged G.I pipe line from the existing Borewell to the Over head Tank inside the premises of 230 110KV Thondamanatham Auto Sub-Station, Electricity Department, Puducherry II Call

Amount

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m - all kinds of soil - pipes,cables etc , not exceeding 80mm dia

Providing, laying and jointing UPVC pipes(Finolex / jain / Supreme / Truebore / Nandi) (1 Mpa)conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment, including cost of solvent cement, UPVC specials such as bends,tees, threaded pieces, couplers, reducer, endcaps tc.,complete all as per IS and CPWD specification. - 63mm dia.

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 63mm nominal outer dia pipes

Supplying and fixing of fully automatic air break star-delta starter range for 10A to 23A F.A.S.D. (Bharat Culter Hammer/ L&T/ Siemens make) with suitable M.S.angle frame etc., complete.- 15HP to 17.5 HP pumpsets

Supplying,fixing and lowering into the borewell high tensile threaded PVC column pipes which are to be connected to the submersible pump, including labour charges, jointing materials etc.,complete.-65 mm dia

Supplying and fixing of C.I. adopter which is to be connected to submersible pump delivery pipe.-65 mm dia

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Supplying and laying of 16mm dia nylon rope for holding of motors.

Erection,testing and commissioning of the centrifugal motor pumpset with pipe fittings,etc.complete.- 15 HP to 25 HP motor.

Providing and fixing in position G.I. pipe nipple 23cm long, including labour charges for jointing, jointing materials etc,complete -80 mm dia.

Providing and fixing in position G.I. equal Tee (UNIQUE/R Brand/HB Brand/UI Brand)conforming to IS 1239 part II and ISI marked,including labour charges for jointing,jointing materials etc,complete- 65mm dia.

Providing and fixing C.I. non return valve (PN 1.6) conforming to IS 5312 and ISI marked, with bolts, nuts, rubber insertion etc.,complete (the tail pieces if required will be paid separately) - 65 mm dia

Providing and fixing C.I. sluice valve (PN 1) (with handwheel) conforming to IS 14846 and ISI marked, with bolts, nuts, rubber insertion etc.,complete (the tail pieces if required will be paid separately) - 80 mm dia.

Providing and fixing in position G.I. reducer (UNIQUE/R Brand/HB Brand/UI Brand) conforming to IS 1239 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete- 80 x 65 mm dia.

Providing and fixing in position G.I. pipe nipple 23cm long, including labour charges for jointing, jointing materials etc,complete -65 mm dia.

Providing and fixing M.S. top cover suitable for UPVC pipes including the cost of materials and labour etc..

Providing and fixing M.S.clamp of required dia to the top of casing / housing pipe of tubewell as per IS:2800 (part I) , including necessary bolts & nuts of required size complete - 100 mm clamp

Providing and fixing brass gate valve with C.I. wheel of approved quality (screwed end) - 50mm nominal bore

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

P Ramamoorthy