repair / replacement of defective spare parts of 05 ton eot crane no 9218 installed at 505 abw under ge ( u ) p and m, delhi cantt-10- ( a ) supply , fixing, adjustment in replacement of unserviceable ac drive / variable frequency drive ( vfd ) / frequency convertor device system of capacity of 11.0 kw ( hd ) three phase supply system with required input 3 x ac 380-480 volt , 50 / 60 hz and output 3 x ac 0-480 volt, frequency 0-400 hz or as per existing sample with having setting controlling devices system for operating / controlling of slow / high speed for all motion and other controlling system etc for smooth functional of overhead electric traveling crane of capacity 5 ton and including making controlling cable connection of system and testing on load complete all as specified and directed.- qty- 01 no ( b ) dbr aluminium clad for vfd drive 11 / 5.5 / 2.2 kw ( reckon ) - 03 nos ( c ) supply and replacement of electromagnetic brakes class a for 250mm dia. 33’ lbs suitable for brake drum ( 3 phase ) coupling complete all as specified and directed -01 no. ( d ) supply and replacement of dc fail safe brakes sldc series model 195, torque 8.0 kgm , 60 watt complete.-02 nos ( e ) supply and replacement of gear coupling full size of s5 suitable for helical gear box of bore size 140mm complete all as specified and directed.-02 nos ( f ) supply & fixing in replacement of step down transformer double bound type 415 / 220v ac 1kva complete all as specified & directed-01 no ( g ) supply and replacement of l bracket size of 160mm bore suitable for lt / ct crane wheel complete -04 nos => limited