annual repair maintenance of electrical and mechanical installations at nagpur airport for the year 2019-20 , annual maintnenace and operation of e & m installations at main subsation near colony , residential colony , city side ( car parking lights , street lights of old approach road / cargo road , road leads to cisf commandant office ) , engineering office including ancillary buildings etc . on round the clock basis on all days including sundays and holidays as per the special conditions attached . job involving repairs & maintenence , attending complaints , preventive / routine / breakdown maintenence , documentation etc . as per terms & conditions and directions of e-i-c . ( the supply of spares by department ( mil ) includes following locations ) a ) main substation near colony . b ) cisf office c ) old approach street lighting . d ) old terminal building & offices etc . e ) residential colony . f ) residential colony street lights including maintenance of overhead line . g ) day to day operations of colony pumps . * in addition to the above locations the repair & maintenance work will be carried at any where of this airport as per directions of e-i-c . , sh- ii : maintenance of other installation ( as and when required ) rewinding of ceiling fans , 1200 to 1400 mm sweep , rewinding of exhaust fans , 9 to 12 , 15 , 18 , replacement of ball bearing including servicing & greasing for ceiling fan etc as reqd . , 1200 to 1400 mm sweep , replacement of ball bearing including servicing & greasing for exhaust fan etc as reqd . , 9 to 12 , 15 , 18 , rewinding of mono block pump motor , 3 to 5 hp , rewinding of borewell / openwell submersible pump . , 3 hp , 7 . 5 hp , 10 to 12 . 5 hp , lifting & lowering of openwell pump of different capacity . , lifting & lowering of borewell submersible pumps of different capacity . , upto 5 hp , 7 . 5 hp to 12 . 5 hp , providing of unskilled manpower for excavation of soft soil for urgent cable laying at operational area as an when required etc as per directions of e-i-c . , supplying and making straight through heat shrinkable jointing kits including aluminium lugs and other jointing materials for following size of pvc insulated and pvc sheathed / xlpe aluminium conductor cable of 1 . 1 kv grade as reqd . , upto 35 sq . mm , upto 95 sq . mm . , upto 185 sq . mm . , supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories , including lugs suitable for the following size of 3 core , xple aluminium conductor cable of 11 kv grade as required : , upto 70 sq . mm . , under ground cable fault finding in the existing cables by hiring cable fault locater of ht/lt grade cables sizes upto 300 sq . mm . including providing of unskilled labour for excavation & refilling the trench as per required as and when required .