Very Heavy/Extreme We define heavy duty cleaning (very heavy/extremely heavy) as a cleaning job for a house or apartment that will require our men to be suited and protected because of a health hazard. The possible presence of mice or roaches, or there may be any of the following conditions : a very putrid odor, mildew, animal urine odor, decayed food, animal carcasses (cats), tiled floors have a heavy accumulation of dirt or animal feces from one (1) inch and in some case as high as six (6) inches, and possibly removal of floor (s). Where the accumulation of rubbish, papers, bottles, magazines etc., cover the entire floor and as high as the ceiling in some areas. Where there is a need for removal and discarding of all furniture and appliances because none can be salvaged.