complete servicing repairs to 250 kw electrically operated hot water generator i , ii installed at new emergency block of gmch jammu . , complete servicing/repairs to 250kw electrically operated hot water generator ( i & ii ) installed at new emergency block of gmch jammu . the details of work is as under : a ) cleaning of ms tank of the hot water generator ( i & ii ) with suitable chemicals after disconnecting the power supply and extracting the heating elements from the tank . b ) checking of electrical heating elements immersion type having copper tube chrome plated heating element and replacement of 06 nos & 05 nos damaged/burnt elements of 25kw each for hwg-i&ii respectively with new elements as per sample . the job includes repair to the panel of hwg by way of p/f of new contactors , hrc fuses ( as per sample ) and repairing to the control cards . also repairs to the damaged/burnt wiring and thimbling properly and making electrical connections . complete job includes cost of material , taxes and skilled labour charges .