annual operation and maintenance of e and m installations at main substation and external electrical installations at city side at nagpur airport for the year 2024-25 annual operation and maintenance of e and m installations at main substation and external electrical installations at city side at nagpur airport for the year 2024-25 , sh - i : annual maintenance of main substation & external electrical installations at city side. , annual maintnenaceand operation of e & m installations at main substation, 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 basison all daysincluding sundays and holidays as per the special conditions attached.job involving repairs &maintenence, attendingcomplaints, 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 b ) . cisf office & barracks. c ) . old approach street lighting. d ) . old terminal building & offices etc. e ) . street lights including maintenance of overhead line. f ) . 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 ) , 1 ) rewinding of ceiling fans , a ) 1200 to 1400 mm sweep , 2 ) rewinding of exhaust fans , a ) 9 to 12 , b ) 15 , c ) 18 , 3 ) replacement of ball bearing including servicing & greasingfor ceiling fan etc as reqd. , a ) 1200 to 1400 mm sweep , 4 ) replacement of ball bearing including servicing & greasing for exhaust fan etc as reqd. , a ) 9 to 12 , b ) 15 , c ) 18 , 5 ) rewinding of mono block pump motor , a ) 3 to 5 hp , 6 ) rewinding of borewell / openwell submersible pump. , a ) 3 hp , b ) 7.5 hp , c ) 10 to 12.5 hp , 7 ) lifting & lowering ofopenwellpump of different capacity. , 8 ) lifting & lowering of borewell submersible pumps of different capacity. , a ) upto 5 hp , b ) 7.5 hp to 12.5 hp , 9 ) 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. , 10 ) supplying and making straight through heat shrinkable jointing kits including aluminium lugs and other jointing materials for following size. , a ) upto 35 sq.mm , b ) upto 95 sq.mm. , c ) upto 185 sq.mm. , 11 ) supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, xlpe aluminium conductor cable of 11 kv grade as required : , a ) upto 70 sq.mm. , 12 ) 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. , 13 ) supply of ceiling fan 1200mm sweep having minimum 380 rpm speed suitable for single phase, 230v, 50hz with minimum 230 cu. mtr. / min air delivery of isi approved similar tocrompton make, aura model orapproved make.