bids are invited for operation and maintenance of electrical systems/electrical installations - complete system - operation of various makes dg sets (30 kva) 03 nos. at dvor site jalalabad i/c electrical controls for supply of power on power failure from main power supply source as & when required including maintenance of internal & external electrical installations, submersible pump, fire alarm system, e& m installations, amf panel, switch rooms, mcb-db, wiring, electrical panels, cabling etc. i/c all tools and tackles also attending the fault/break-down & preventive maintenance as per conditions of contract complete as required by engaging following minimum manpower at each site as per following schedule for one month. the contractor shall have to depute the following minimum manpower:- , (i) wireman cum operator (skilled) - 03 nos. & helper (unskilled) - 03 nos. note: contactor has to provide reliever for the weekly off/holiday for the above mentioned staff. , (ii) helper (unskilled) - 01 no. (i.e. 01 no. in general shift on six days of a week).