regarding contracting the rates for the work of cleaning sewer lines of different diameters through bucket machines (including bucket machine, labour, diesel, safety equipment etc.). - complete de-silting and cleaning of various dia (160 to 1200 mm) sewer line by bucket machine including labour & t&p all complete. - complete de-silting and cleaning of various dia (160 to 1200 mm) sewer line by bucket machine including required bucket machine, jetting machine, dewatering pump, disposal of silt/malba and all safety equipment all labour, supervisor, t&p, fuel expenditure etc complete in all respect these should be provision for diversion of sewage if required including all work (ie stanking ¼cu/kk½ etc) with the help of sewage pumps, power backup from gensets for running of pumps, night lighting, barricading etc. display of sign boards, manpower, sewer men to carry outthe entire operation along with the safety equipment as per required size. 2 160 mm diameter 3 200 mm diameter 4 250 mm diameter 5 300 mm diameter 6 350 mm diameter 7 400 mm diameter 8 450 mm diameter 9 500 mm diameter 10 600 mm diameter 11 750 mm diameter 12 900 mm diameter 13 1000 mm diameter 14 1100 mm diameter 15 1200 mm diameter