Public Works Department Tender

Descaling of the 115 TR Capacity Air conditioning chiller plants- 02 No’s installed at Main Plant room of GMCH Jammu by way of shutting off the power supply to the units and holding of all the butterfly valves of condenser line and Complete servicing of both the machines by using chemical through pump to remove unwanted dust from it and also washing and cleaning of body, drainage line etc. The job includes opening of the front and rear header of condenser unit and then circulating of the chemical descaling compound in the tubes with help of special type of pressure water pump for 24 hours. Then removing the loosened scale deposits by using bristled brush and carefully rodding of all the copper tubes of condenser carefully so that the copper tubes are not damaged and then circulating of alkaline neutralize water and then flushing with fresh water. The process is repeated till clear water comes out . The job includes repair of the leaking tubes by copper brazing method and also replacement of damaged tubes as per the site requirement. Then closing of the rear and front header by tightening of all the nuts and bolts and opening of the water supply through butter fly valves and checking for any water leakage. The job further includes Providing and Fitting of new PCB in place of the damaged PCB Sl No ACEGWFXR1201ML C2 of the unit No II and all allied works. Both the machines are to be tested on full load. Complete job includes cost of labour, material, transportation and all types of taxes.