removal of sludge from the septic tank and disposal of the same through the sewage tanker in safe location with an average lead of 10km. the rate to include the cost of labour charge for removing and relaying of cover slab laid over the septic tank, mixing of ferro sulphate into the septic tank, for through mechanical device and disposal of the same including hire charge for sewage tanker etc., complete as directed by the engineer-in-charge. hire charges for engaging front end loader 1cum capacity for clearing the accumulated soild waste and loading to the tipper / tractor, for disposal at the stock yard. the rate shall include the hire charges for machinery, operating staff, fuel charges, lubricants etc., complete as directed by the engineer-in-charge.
