Providing 300mm dia ,110mm dia HDPE pipes with anchoring,layingof 50 square mm Akuminium cables and motor ar melacherry head works in tambaram city minicipal Corporation

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. P. no 111 2025-26

15.00 H.P.WD-M1803 1500x60

10 H.P. Motar WD-M1802

7.50 H.P. Motar WD-M1799

Towads cost and supply of 110 mm & 300 mm HDPE Including cost and coveyance of all meterials and pipes and all othre labour charges for loading and unloading as per standard specification etc ... complete. specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers age no 171 110 mm WD-M0228

315 mm WD-M0237 Page 15

L.T. CABLES 3,3.5,4 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING Page No 123 50 sq mm Aluminiaum

400 Sq mm Aluminiaum

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete SS.20B WD-M1966 1.5+.75=2.25/2=1.125

Anchored using foundation bolts fixed in RCC footing Aligned vertically using level instruments Torque-tightened nuts with washers Cured and grouted as per site engineering standards Specification etc … Completed.

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers age no 171 110 mm WD-W0430

300 mm WD-W0433

Twards labour charges For laying below GL including earth work fixing of cable and all other labour charges as per standard specification etc … complete. Page no 126 WD-M2016 50 sq mm Aluminium

400 Sq mm Aluminium

Refilling with excavated earth including cost and conveyance of all meterials and all other labour charges etc … complete.

INDOOR VACCUM CIRCUIT BREAKER 11 KV, 25 KA, 630 A, HT Indoor Four Panel Vaccum Circuit Breaker complete M-1951