COMPREHENSIVE MAINT TO CENTRAL AC PLANT SYSTEM OF CPSS AT NO 2AFSB MYSORE UNDER AGE I AF CHIMNEY HILLS

Amount

Comprehensive Maintenance of Central A/C plant 2x24 TR capacity, control panel, complete incl material and labour, spares lubricants installed at CPSS bldg, checking of leakage on refrigerant gas, replacement of glands, 'O' ring gaskets, nuts, bolts, washers and routine checks like oil level, V belts, electrical control wires, cleaning of filters, greasing to the motor, replacement of gland packing to pump, indicating lamp to panel etc, but excluding repairs to the plants all as specified and directed

Supply and install in repair MCCB 250 amps, 415 volts , 4 pole, 50 HZ, 36 KA including spreader links on both sides complete all as specified and directed

All as per item no.2 above but fixed type, 3 pole, 25 to 100 A and 16 KA

Supply only in replacement MCB 40 Amps, D Series, 415 volts , 4 pole, 50 HZ, 10 KA complete all as specified and directed

Supply only in replacement of three phase fully automatic Star Delta starter suitable for 12.5 HP Pump/motor 3 Phase, 415 V, 50 Hz, relay range 9-15 Amp, having MN relay is with single phase prevention feature complete all as specified and directed

M & L for dismantling of electric driven horizontal induction motor of capacity 12.5 HP of any type and make by engaging sufficient man power and suitable T&P to ensure safety of pump-motor including disconnecting electric connections, dismantling of motor, taking out the burnt windings, cleaning the slots and rewinding the same with copper winding wire of exixting guage and quantity (as per original manufacturer design) including replacement of all damaged parts i.e. bearing, bush, thrust plate, connector plate, insulating materials such as insulating sheets, sealing compounds etc and reassembling the motor after varnishing, heating/drying, greasing of moving parts etc and reinstallation of the motor in original location, checking the alingnment, making proper electric connection, testing for smooth operation, complete all as directed

All as per item no.6 above but 5 HP capacity

M & L for leakage arresting with Nitrogen & Vacumailising

M & L for Condensor De-scaling

M & L for AHU full unit servicing

M & L for Chemical cleaning & Servicing of Cooling Tower

Supply only filling/topup R-22 refrigerant gas

Supply only copper harden pipe 5/8 x 1.1/8

Supply only filter

Supply only drier

M & L for detecting and rectifying leakage of Chiller water AC water pump

Supply only Pressure guage

Supply only room temperature indication guage

Supply only single phase preventor suitable for three phase star delta starter Make : Minilec

M & L for detecting and rectifying leakage of Condensor water pump

M&L earthing complete with galvanised steel plate electrode of size 600x600x6mm thick burried directly in ground verticalIy to a depth not less 2.25m below ground level with top edge of the rod not less than l.5mtr below normal ground level connected to galvanised earth lead wire 4.0mm dia by means with bolts, check nuts and washers protected by Gl light grade pipe of size 15 mm dia and connecting up with the DB as the case may be upto a maximum distance of 7.5 m away from the earth electrode including test point, excavation, earthwork, PCC Chamber, RCC Cover, watering pipe 20mm dia GI medium grade with funnel and wire mesh, charcoal, salt, etc all as per plate no.3 of SSR 1991 and as directed by Engineer in charge

M&L earthing complete with galvanised steel plate electrode of size 600x600x6mm thick burried directly in ground verticalIy to a depth not less 2.25m below ground level with top edge of the rod not less than l.5mtr below normal ground level connected to galvanised iron strip 32 X 6mm dia by means with bolts, check nuts and washers protected by Gl light grade pipe of size 40 mm dia and connecting up with panel as the case may be upto a maximum distance of 7.5 m away from the earth electrode including test point, excavation, earthwork, PCC Chamber, RCC Cover, watering pipe 20mm dia GI medium grade with funnel and wire mesh, charcoal, salt, etc all as per plate no.3 of SSR 1991 and as directed by Engineer in charge

Neptune Engineers and Builders

Power and Telecom Systems

SUPER COOL

SAPTHAGIRI CONSTRUCTIONS

JM Engineering

Aditya Associates