hiring of hydraulic operated high pressure suction cum jetting machine ( 4000 ltr cap . ) for maintenance of sewerage system in narrow lanes and by lanes in ac 27 under ee ( west-i ) , hiring of chassis mounted diesel run hydraulic operated high pressure jetting cum suction machine fitted with international standard pumps of suitable capacity as per technical specification including operation and maintenance staff for a working shift of 08 hours per day exclusive of half hour lunch break . fitted with all equipments on chassis tata 709 or equivalent not less than 09 ton ( gvw ) 4000 ltr . capacity jetting cum suction machine along with 2 numbers of sewer gang beldars with safety belt and other safety equipments .