bids are invited for re/derailing equipment,on basis of ntpc drg / specs,-,- part name : battery powered track insp trolley 1.battery:48v,150ah (min),lithium iron phosphate rechargeable battery inside aluminium/g.i. box with lock provision and 20 amp isi marked std.charger of reputed make.(battery performance (min)60 km running after 3 hrs charging at 220v). display of battery status is to be provided. 2.prime mover motor:dc 48 volt,bldc motor 1500 watt approx. 3.seating capacity:09 persons (03-seater chrome plated chair/sofa in front,03- seater sofa at back & three-seater bench) 4.carrying capacity:650kg(min) 5.self weight:175-200 kg(max) 6.transmission of torque done through chain drive/shaft drive 7.effective controller (1500 watt) & converter (48/12v,20 amp to be provided. 8.customised automatic gear-less box for good speed (forward speed approx up to 30 kmph/ reverse speed up to 10 kmph). 9.brake:2 no (1 hand parking brake & 1 foot operated brake with customised drum brakes system for efficient braking). 10.wheel:310mm-350mm wheels (04 nos) with collar & covered wheel top. 11.axle dia:36 mm (min),length 1.86m approx. 12.bearings&ucp (skf) with insulated wooden&fibre bush. 13.trolley size (approx):approx 2200 mm length x 1800 mm width frame of square / round pipes of 304 grade stainless-steel with sturdy hood/canopy (25x25mm) covered with canvas of good quality (water - proof) to handle wind pressure.three handles each in front & back side trolley floor for manual lifting. 14.platform/floor covered with aluminium chequered sheet 15.light:front led light 12 watt 4 pcs for vision in night & back tail-light with brake application displaying light 16.electric push button horn with loud noise & one manual air horn. 17.emergency stop button to be provided on the control panel for emergency usage. 18.caution flag holder 02 pcs ss pipe in canopy and 4 stone guard for wheels 19.mandatory spares and tools like spare chain sprocket set,spare axle rod,screw-drivers,tester,plier,multi-meter etc.to be supplied total quantity : 1