Laying of PVC pipe line for supply of water in ward no.1,3,5,7,11,12,13,15,17 and operation of power pumps in borewells in ward no.1,2,4,18 in Poonamallee Municipality.

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils as directed by departmental officers. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil. Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.

Supply and Delivery of Following Water supply Maintenance Materials including cost and conveyance of Materials as per TWAD Board, PWD schedule of rates.etc complete -110mm dia pvc 6 ksc pipe

110mm dia pvc coupler

110mm dia pvc Bend

110mm dia pvc Elbow

110mm dia pvc Tee

80mm dia GI G.M Gate valve

100mm dia GI G.M Gate valve

100mm dia Air valve

150mm dia Air valve

Brass chromium plated screw down Tap 15 / 12mm Dia (Heavy Type)

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Refilling with excavated sand complying with standard specification for filling in foundation and basement

Supply and delivery of clear water vertical wet type submersible (3 Hp 50x175) pumpset suitable for 150mmdia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Erection of power pumps (3 Hp 50x175) in borewell labour charges for erection of twin packer duplex type jet pumps in borewells upto 150 mm dia including fixing of Suction pipe regulating valves with jet assembly upto a maximum depth of 30 m and delivery pipe valves pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three indicator lamps capacitor and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumps and trail run for 10 days including signing of completion of reports as required by EB authorities and finishing the pipe hole including the foundation bolts, nuts and earth pits.