Test: Sewage Collection From Houses & Buildings - Civil Engineering (CE) MCQ

An intercepting trap is often provided at the junction of a house sewer and a municipal sewer, so as to prevent the entry of the foul gases of the municipal sewer, into the house drainage system.

A gully trap or a gully is often provided at the junction of a room or a roof drain and the other drain coming from bath, kitchen, etc.

Soil pipe drains the night soil. Waste pipe drains sullage from baths etc. Anti-siphonage pipe serves as a suction relieving pipe or a vent pipe to protect the water seals of traps.

In this, system, two sets of vertical pipes are laid, i.e., one for draining night soil, and the other for draining sullage. The pipes of the first set carrying night soil are called soil pipes, and the pipes of the second set carrying sullage from baths etc., are called sullage pipes or waste pipes. The soil pipe as well as the waste pipe, are separately ventilated by providing separate vent pipes or anti siphonage pipes.

Gully trap is provided at the junction of the room or a roof drain and the other drain coming from bath, kitchen, etc. It may be P-trap or S-trap. Intercepting trap is provided at the junction of a house sewer and a municipal sewer.
Water closets are fitted with P or S-trap.,

Rubbish includes combustible and non-combustible solid wastes.