Supply, Installation, Testing and Commissioning of DG Set for FandV Market at Batengoo Anantnag

A) Supply, Installation, testing and commissioning of 30 KVA 3 Phase CPCB IV+ norms, 415 volts, 50Hz, 1500 rpm, Water Cooled, Silent Diesel Generator Set, including Acoustic Enclosures. The D.G sets shall be suitable for being overloaded up to 10% of the rated capacity for 1 hour in every 12 hours. The Engines shall include: all the standard accessories electronic governor, Fuel and lube oil filters and pumps, Water pump, Fuel tank with visual level indicators (capacity not less than 12 working hours), Batteries, Safety controls, Instrument panel, silencer, Exhaust piping. The Contractor shall provide the initial fill of HSD fuel for the fuel tank. This supply shall include additional fuel to replenish what is consumed during testing and commissioning, ensuring the tank remains topped up. The alternator shall be of standard quality and make and shall be synchronous with continuous operation at 1500 rpm generating 415 volts at 0.8 pf (lag) suitable for 50Hz Three phase, Four Wire System. The alternator shall be brushless, self-excited and self-regulated with an AVR and as per IS: 4722 Standards. The Alternator shall have separate exciters with IP-23 protection and class 'H' insulation. The Dg Set shall have Acoustic Enclosure, fabricated from high quality sheet steel of minimum 2 mm thickness finished with powder coating shall be of weather proof construction, designed to reduce noise by 75 dB at 1 m distance (As per latest CPCB IV+ norms). The enclosure shall be provided with a forced ventilation system to restrict the temperature rise within the enclosure to permissible limits. The generator Simple Control panel should be of indoor type mounted inside the canopy, dust and vermin proof in sheet steel construction. The panel shall have doors at the front and at the back for proper maintenance the panel shall have steel channel fabricated kick plate and bolted type cable gland fitted at the bottom. The panel shall be constructed from 2mm thick sheet steel. All the joints shall have proper gaskets. Monitoring and control devices shall be housed on the front door. The DG Set shall be provided with PCC (Power Command Control), Auto Load Sharing and interface with PC & PLC mounted in Lt panel for ACB switching and auto load Sensing including communication card, Network gateway software as required and all other accessories as per specifications. The control panel shall be electronic type with all safety controls of the D G Set. The panel shall have suitable provision for incoming and outgoing cable connections. The DG set shall be mounted on a fabricated rigid common base frame with GERB make resilient anti-vibration mountings to provide 98% vibration isolation. The DG Sets shall be supplied with a suitable rating battery charger. Engine Make: Kirloskar/Cummins/Caterpillar/Mahindra/Baudouin. Alternator Make: Kirloskar / Stamford / Crompton / Caterpillar/ Bosch / Wilson/ Denso/Baudouin. B) Simple Control Panel. i) Control Panel between DG 30 KVA and Mains Incomer. ii) ACB based Electrical interlocking. iii) All the components required as per design DG Set and accessories shall carry a warranty of 24 months after successful handover to the Department.

Earthing of DG Set: -Supplying and fixing of maintenance-free chemical earthing system with GI electrode of size 3.0 m long, 50 mm diameter, hot dip galvanized to 80 microns, with terminal arrangement on top including copper strip/lug for termination. The electrode shall be surrounded with backfill compound (BFC) like bentonite/graphite compound in a bore hole of 100 mm to 150 mm diameter. The complete system shall have a resistance of less than 1 ohm when tested. It shall be installed complete with watering arrangement, PVC cap, funnel, and masonry chamber with CI cover of appropriate size. -------Six (06) No’s. Earth resistance to be maintained below 1 Ω and tested using clamp-type earth tester after installation.

RCC Foundation and Canopy: P/L of RCC foundation block of minimum 2 ft height and Canopy to withstand wind and snow load as per the manufacturer’s recommendations in 1:2:4 (1cement: 2 sand :4 stone aggregate) including cost of Steel Truss works, Centering, shuttering, earthwork work etc. complete Job to the Satisfaction of Engineer in In charge.

Cables: Providing and fitting of 4-core armored 50 mm sqmm XPLE PVC insulated aluminum cable of required rating from output of alternator to Bus bar and Changeover Panel. The Job also includes excavation and other civil works as per Site requirements.

Other Electrical works: Providing and fitting of Al Bus bas and changeover 4 pole, 100 A capacity rotary type ON–OFF–DG–Mains interlock to be connected to DG set. The Bus bar and changeover shall be fitted with 100 A conductors to carry the main and DG current and shall be fitted inside a GI Sheet enclosure / Bus bar Chamber of proper thickness as per IS and powder coated fitted on wall.