hiring of sewer suction cum jetting machine capacity 4000 liters for maintenance of sewerage system in ac 28 hari nagar constituency under ee ( west ) -i re-invited , 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 and two numbers sewer gang beldar for a working shift of 08 hours per day exclusive of half hour lunch break . making necessary arrangement for mounting the equipments on chassis tata 709 or equivalent not less than 09 ton ( gvw ) 4000 ltrs . capacity jetting cum suction machine . with two number of sewer gang beldar