bids are invited for custom bid for services - annual maintenance contract of ground support equipment for two year at inas 310 - working platform engine - ladder stairs 5 step - ladder ladder 17 step-ladder assy stair 3 step with wheel - ladder propeller stand towing bar propeller sling engine lifting sling propeller balancing kit nato box purge nitrogen flir kit wing support trestle n2 trolley with regulator, gauge and hose compressor washing rig steering arm hydraulic main/nose jack hydraulic tail jack hydraulic bottle jack drip tray bottle nitrogen (what) clinometer holding device landing gear support flir purging kit engine trolley assembly/maintenance stand main chock acf-50 hand helo spray system propeller blade paddle nose chock test box fuel qty measuring system test propeller blade angle protector break in box 7ghi/10pol ground cooling unit wooden stool adapter jack (nlg) jack adaptor (mlg) aircraft lifting sling gauge turbine scavange pump spanner nose wheel actuator gyro tilt table rudder rigging board aileron deflection/template (rh) deflection/template elevator aileron deflection/template (lh) cable tension meter nitrogen bottle (tc kit) ladder portable gpu sling dip stick sme box sling break wear guage assy board cabin rigging pin engine wooden wedge total quantity :