Operation and Maintenance of storm water Pumps and D.G Sets of pump houses in North East area at various locations in Trans Yamuna area under PWD M- 251 Delhi.

Operation & Maintenance of Substation of 11 KV / 415 V, 2 x 1000 KVA substation comprising of transformer, HT/LT panel and 1 no 500 KVA DG set round the clock on all the days i/c Sundays & holidays and general maintenance of E.I & Fans in the following locations. The job also includes recording of all parameters like HT & LT voltages, current, power factor etc. & routing periodical checking & testing as per terms and conditions. 1). Wireman– 3 Nos. (Round the Clock) 2). Khallasi – 1 Nos. (In General Shift)

Providing, installing, testing and commissioning of horizontal, single stage, single suction, back pull-out type, non-clog centrifugal pump set suitable for handling raw storm water, drain water, sewage mixed storm water, sludge, fibrous materials, plastic bags and suspended solids, complete with pump, TEFC squirrel cage induction motor, flexible coupling, coupling guard, common base frame, foundation bolts, anti-vibration pads, pressure gauge, vacuum gauge, mechanical seal arrangement, all accessories and interconnections, designed for a duty of 1200 m³/hr discharge at 12 meter total dynamic head, operating at a speed not exceeding 1000 RPM (preferably 740/980 RPM), having minimum pump efficiency of 80%, capable of passing spherical solids of minimum 100 mm diameter without clogging, provided with single vane/channel type non-clog impeller manufactured from ductile iron grade EN-GJS-500-7 or high chrome wear resistant cast iron, cast iron casing of minimum FG260 grade, stainless steel shaft (SS-410/SS-420), replaceable wear rings, heavy-duty cartridge type mechanical seal with Silicon Carbide/Silicon Carbide seal faces, coupled with IE3 efficiency class, 415 Volts ±10%, 3 Phase, 50 Hz, IP-55 protected, Class-F insulated induction motor of suitable rating (approximately 55–75 kW), complete in all respects including performance testing at manufacturer’s works and site, with certified performance curves indicating discharge, head, efficiency, power consumption and NPSH, suitable for continuous operation in municipal storm water and drainage pumping stations, as approved by Engineer-in-Charge.

SITC of LED Emergency Light Twin beam LED 10 watt each Specially use for providing direction having Exit Sign and Made by Powder Coates MS Housing light source, LED Should be Fixed On heat Shink for long life. Emergency Backup of upto 4 hours, 12V 7Ah Lead acid Maintenance free battery, SMPS Power Supply, working voltage 100V to 270 complete etc as required

Providing & fixing power pack unit for protection and indication system of 11 KV HT Panel suitable for 24 Volt DC output with 230/110 Volt AC input supply having battery backup with built in charger, sealed maintenance free batteries, i/c connecting on HT panel board, testing commissioning etc. complete i/c buyback as reqd.

Providing & fixing 100Watt, 230Volt strip type space heater with thermostat and temperature sensor in the existing 11KV HT Panel board i/c wiring, testing etc. Complete/c buyback as reqd.

SITC of Microprocessor based digital over current and earth fault relay with instantaneous supply etc. complete i/c by back as required.

Supplying and Fixing 300 mm dia Metal Exhaust Fan having Min 900 RPM suitable for operation on 230 volt, ±10%, 50 Hz supply to fixed by making opening/existing opening on wall i/c connection with 1.5 Sq.mm PVC single core cable i/c testing etc. as reqd.

Supplying and Fixing 450 mm dia Metal Exhaust Fan having Min 1400 RPM suitable for operation on 230 volt, ±10%, 50 Hz supply to fixed by making opening/existing opening on wall i/c connection with 1.5 Sq.mm PVC single core cable i/c testing etc. as reqd.

1200mm, service value ≥ 6.0 CM/Min/Watt, air delivery 210 CM/Min (Minimum)