tender for electric panel servicing replacement of air circuit breaker at csircbri roorkee; 1 servicing and overhauling (arc shoot cleaning, contact cleaning,alignment mechanism,grease and lubricant .testing, updatig & data retrieve report of relay ,relay calibration & resetting adjustment, under voltage & shunt relay testing,and all other settings update as per site requirement and direction of engineer -in-charge) of 400 amp to 1250 amp air circuit breakers.( make abb) 2 testing and commisioning of 800 to 1000 amp release type operating mechanism of air circuit breakers.( make abb) 3 testing and commisioning of 800 to 1000amp front cover of air circuit breakers.(make abb) 4 testing and commisioning of hardware kit of 800 to 1000amp air circuit breaker with rack in -rack out mechanism (make abb) 5 testing and commisioning of 400 to 1250 amp spring kit for air circuit breakers.( make abb)