Details: dewatering / desludging of septic tanks, soakage wells, manhole etc by mechnical means using sewage waste collection truck / vehicle including cleaning of all sludge, silt residue of both organic and inorganic nature by mechanical scrappers etc and disposal off the same out side the defence area without causing any nuisence to air force community / civil public and in confirmity with the regulations of local authorities, without any extra cost to govt, complete all as specified and directed.note :- 1. for measurement of cubic content of sludge please refer ps clause no 16.1.2. work shall be carried out in foul conditions. after dewatering, sewage systems shall be allowed to dry . 3. sewage/ sullage shall be removed in closed container mounted on vehicle.4. work shall be carried out as and when required.5. work will done only when one supervisor is present at site who will be responsible for ensuring safety of the labours engaged. m&l for cleaning under ground sewage line dia varyin
Sector: Defense