SPECIAL REPAIR/REPLACEMENT OF SERVO VOLTAGE STABILIZER AGAINST BER AT AF STATION BHOWALI

Amount

Supply and fix Voltage stabilizer for automatic operation as per IS 9815 , three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 460 V with output voltage stabilized at 415 with accuracy ± 1 % and speed of correction 8 Volts per second and of capacity 20 KVA including fixing,testing & commissioning at site complete all as specified and directed.

Supply and fix Voltage stabilizer for automatic operation as per IS 9815, three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 460 V with output voltage stabilized at 415 with accuracy ± 1 % and speed of correction 8 Volts per second and of capacity 25 KVA including fixing,testing & commissioning at site complete all as specified and directed.

Supply and fix Voltage stabilizer for automatic operation as per IS 9815, three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 460 V with output voltage stabilized at 415 with accuracy ± 1 % and speed of correction 8 Volts per second and of capacity 75 KVA including fixing,testing & commissioning at site complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25m deep below GL with top edge of plate not less than 1.50 m below normal ground level) connected to galavanised earth lead strip 32mm x6 mm (7.5m) as means of bolts, nuts, check nuts and washer besides brazing at all joints as shown on drawings and including excavation, earth work, GI pipe (ISI mark) light grade 40mm bore for protection of GI strip from earth electrode to and including the earth test point, supplying and laying charcoal dust, common salt, PCC 1:3:6, type C-1 (using 20mm graded crushed stone aggregate) chamber and mild steel angle iron frame 40x 40 x 3 mm and 40 mm thick pre-cast RCC cover 1:2:4, type B-1 (using 20mm graded crushed stone aggregate) reinforced with 8 mm dia TMT bars @ 75 mm C/C both ways with mild steel handle 12 mm dia, PGI funnel and wire mesh, 20 mm dia GI pipe light grade (ISI marked) for watering all as shown in electrical plate No 3 of SSR Part-I and connected to earth test point including testing & taking down of old/ ineffective earthing complete all as specified and directed. (Note:- The rates quoted shall also deemed to include the cost of Earth test point and earth wire and protection pipe upto 7.5 meter beyond the earth plates electrode)

Note : - The amount of Schedule of credit shall be deducted from the total of BOQ quoted by the tenderer to arrive at the contract sum, if any.

om enterprises

SIYA ASSOCIATES

Yaduvanshi Traders

AJA BUILDERS