PROVN OF GENERATOR SET AT TAPOVAN ALONGWITH SPECIAL REPAIR TO CAPACITOR BANK, LT POLES, SOLAR SECURITY LIGHTS AND ALLIED WORKS AT JOSHIMATH UNDER GE 871 EWS

Supply, installation, testing and commissioning of silent type Diesel Engine driven Generating Set of capacity 15 KVA, Three Phase, 0.8 Power Factor, 50Hz, 415 Volts, speed 1500 RPM, self elicited, self regulated brushless AC generator mounted on common base plate with flexible coupling and meeting the requirement latest IS/BIS specifications conforming to conditions under ‘CPCB IV+ emission regulation’, ISO 8528-1, 3046, IS: 10002, BS- 5514/5000 and suitable for ambient conditions at Joshimath with derating factor, having capacity 10% overloading for one hour in every twelve hour duration. The DG set shall be having NAL approved acoustic enclosure, plain cement concrete platform, mild steel channel for mounting DG set with rubber pads and AMF panel, complete all as specified and directed. Note: Detailed description and accessories/ equipments shall be as mentioned on serial page No- 24 of tender (CA) here-in-after.

Earthing complete with galvanised iron earth plate electrode 600x600x6mm buried directly in ground (earth pit not less than 2.25mtr deep below ground level) with top edge of earth plate not less than 1.5mtr below normal ground level, connected with galvanised iron strip, size 32x6mm as earth lead, by means of bolts, nuts, check nuts and washers of galvanized iron or steel complete with 40mm dia GI light grade protection pipe, 20mm dia GI medium grade watering pipe with funnel including charcoal, dust, salt, PCC M-15, type B-1 in pit with precast RCC M-15(1:2:4), type B-1 (using 20mm graded crushed stone aggregates) in cover reinforced with XPM not less than 4.0 Kg per Sqm, test point etc. all as shown in electric plate No-3 of SSR Part-I (2009), complete with necessary earth work in any type of soil, removal to a distance not exceeding 50mtr, including testing on completion, complete all as specified and as directed. Note: Detailed descriptions of item shallEarth pit chamber and RCC pit cover shall be painted with two coats of red synthetic enamel paint over one coat of primer including preparing of surfaces.

Excavation in trenches, not exceeding 1.50mtr wide and not exceeding 1.50mtr in depth; for foundation, etc. or for laying of cables, etc. not exceeding 10 Sqm on plan and not exceeding 1.50 mtr in depth and getting out, any type of soil, complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm, any type of soil, complete all as specified and as directed.

Removing excavated soil not exceeding 50mtr and depositing where directed at a level not exceeding 1.50 mtr above the starting point, complete all as specified and as directed.

Sand cushioning to protection of underground cables, laid 8 Cm before laying and 15 Cm after laying of cable, and punned to form an overall layer of 18 Cm thick, complete all as specified and directed. Note: Punned thickness shall be measured.

Sub class ‘B’ bricks, modular size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning for mechanical protection of cable, with width equal to the length of the brick, complete all as specified and directed.

Replacement of old unserviceable/ damaged cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 16.0 Sqmm, 4.0-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed.

Supply, installation, testing and commissioning of electric LT Feeder Pillar Box, size not less than 1250mmx1000mmx600mm, outdoor, cubical type, floor mounted, factory made, CPRI approved, fabricated out of 3.15mm thick, epoxy powder coated, mild steel sheet mounted on frame of mild steel angle iron 40x40x6mm, 60Cm above from the ground level duly supported with mild steel angle iron 40x40x6mm legs, embedded in Plain Cement Concrete M-10 (1:3:6), type C-1 (using 20mm graded crushed stone aggregates) 300mm below the ground level and required masonry in brick work in cement mortar 1:6, 300mm above ground level, LT feeder pillar box shall be totally enclosed weather proof and vermin proof with front and rear openable door shutter with locking arrangements, with IP-54 protection as per IS-8623 duly powder coated, for three phase, 415 Volts, AC, 4-wire, 50 Hz, having triple pole and neutral, aluminium bus bars of 200 Amps rating duly drilled holes for connections, RYB insulated with different colour code and sleeved insulators complete prewired and cable connection with copper conductor wire up to copper bus bars including all incoming and outgoing cable connection with suitable size of copper lugs/ gland complete all as specified and directed. Note: Detailed description and accessories/ equipments shall be as mentioned on serial page No- 26 of tender (CA) here-in-after.