battery operated vehicles having 3 wheels design- vehicles having 3 should be robust in construction for and carrying of collected municipal solid waste wheels. , chassis construction- ladder typeweldedconstruction consisting of two symmetrical beams / rails / channels running the length ofthe cart with transverse cross - members connecting them fabricated using crc ms squarepipes of suitablesize with anti rust proof powder coating , dimensions of cart - overall length: 2760 mm + 5knmt toleranceoverall width1000 mm 5knmt tolerance , motor- brushless dc motor1500w / 60v original , transmission - single central axis differential drive with both forward and reverse direction , ground clearance - 160 mm to 170 mm , pay load- not less than 375 kgs , range per charge- 80 -100 km per charge , speedof vehicle- maximum 25 kms per hour , rear cargo box size ( lxbxh ) a ) dimension: not less than 1400 mm x 1000 mm x 450 mm ( lxbxh ) . b ) should be fabricated using ms sheet, ms square pipes of suitable thickness and size ) . c ) reardoor: foldable single door arrangement. d ) side door foldable single door arrangement. e ) both side doors should be made of ms sheet of thickness not less than 0.6 mm f ) flooring should be made of ms sheetof thickness not less than 1.6 mm , grade ability { climbing ability } - 7 degree ( minimum ) . , brake system - double rear drum pedal type , wheels & tyres - front: 3.75 - 12 ( 6pr ) - 1 no. rear: 3.75 – 12 ( 6pr ) - 2 nos. spare tyre assy. - 1 no. , seating capacity - cushioned seat to accommodate2 person , cabin- weather proof complete metal enclosed cabin with windscreen glass ( toughened ) for driver protection with necessary frame structure for protection from heat and rain , suspension- front: heavy duty hydraulic shocker. rear: leaf spring with hydraulic shocker , charger- 15 amp smps charger , accessories: 1 ) head lamp, speedo meter, front & rear indicators should be provided. 2 ) fire extinguishers. 3 ) functional safety by providingcircuit breaker ( mcb ) 4 ) public addressingsystem 5 ) gps tracking , battery capacity - 100 ah- 48 v. lithium ion battery , charging duration- not more than 3 hours , warranty for vehicles- thesuccessful bidder should provide one year warranty for vehicles includingrepair andreplacement , warranty for lithium battery- the successful bidder should provide three years warranty forlithium battery , warranty for lithium battery- the successful bidder should provide three years warranty forlithium battery