tender for job work - cleaning of etp & spray ponds- 2 emptying the water from all tanks. sumps clarifiers, anaerobic filter, aeration chamber, grease traps, filter feed tanks, spray pond over flow tanks and 3 nos oil skimmer tanks etc. 3 emptying the water from the surge tank (300m3) cap and cleaning and white washing of surge tank with its channels. 4 remove of grease and oil from all 3 nos sumps of oil/grease skimmer and filling of oil/grease in the durms and shifting to yard. 5 cleaning and white washing of all tanks like. clarifiers, equalizing tanks, aeration chamber, anaerobic letter, filter feed tanks etc. spray pond over flow tanks. 6 girit removal and cleaning of sledge bed and refilling of sand/grit in the drying bed and complete white washing. 7 cleaning and whie washing of 3 nos grease traps and painting of oil/grease skimmers. 8 cleaning and painting of 3 nos media filters mfg/ace with media. 9 cleaning of diffusers of equalizing tank and aeration chambers and refilling of the same. 10 cleaning and painting of ms dosing tank size (4x2x2) in and m.s. feed tank with m.o.l feed tank etc. 11 cleaning and painting of all pipe lines stirrers, aerators, air blower, pumps, stairs and railing etc. 12 cutting of grass and bushes nearby the etp and earth leveling if required. 13 part - 2