Before the rainy season, the roof drainage system should be inspected. Horizontal and vertical drainage systems are to be cleaned and leakages repaired. Rectification should be attended to, particularly horizontal drain pipes, prevent blockage of wastewater.
Septic Tanks
Grease, slow decomposing matter, etc., should be avoided in the drains for the efficient working of a septic tank. Further drain-cleaning chemicals should be avoided which can kill the bacteria in the septic tank.
When the depth of the sludge and scum exceed half the depth of the tank, digested sludge should be removed. A portion of the sludge should be left in the tank to act as a seed to the fresh sewage. If the action in septic tank is dull ¼ kg of brewer’s yeast is added to the tank to hasten the action. Signs of a defective system is to be noticed when foul colours appear from the drains or the tank and growth of lush vegetation over the tank. If water backs up in the drain, it is to be realised that clogging by sludge and scum has happened.
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