Details: cleaning and clearing of underground sewage line (including manholes by taking off manhole covers and re-fixing the same after cleaning) of any description, underground and depth by removing and type of blockage including de-siting and de-chocking manually by providing rodding and flushing after cleaning including cleaning of manholes and as derected by engineer-in-charge, from the following size/ bore of sewage lines:- (a) upto 150 mm bore pipe (b) execeeding 150 mm bore but not exceeding 200 mm bore pipe dewatering/ desludging of sewage waste in septic tanks and manholes any size and cleaning by taking out solid content/ sludge from septic tank and manholes of any depth using mechanical means i.e. mechanical sucker with pump set to remove mud/ sludge/ muck/ human excreta in foul conditions and confined places, getting out and removing, where directed complete all as specified and directed.note :1. the waste shall be removed through mechanically operated sewage sucker only2. in
Sector: Defense