Sewage, Waste Pipe, Soil Pipe & House Sewer

Of the following types of sewage disposal system, which are obsolete?

• cesspool

• public sewer line

• septic tank

• privy

A hole in the ground curbed with stones, bricks, concrete hollow blocks, or other materials laid in such a manner as to allow raw contaminated sewage to leach into the soil

• cesspool

• privy

• public sewer line

• septic tank

A concrete sealed vault with a wooden shelter constructed for the collection of raw sewage. The disintegration of excrement is accomplished in the same manner as in a cesspool

• cesspool

• privy

• public sewer line

• septic tank

A sewage system, operated and maintained by the government consisting of a sewage treatment plant that conveys the raw sewage from buildings and houses to a disposal system

• cesspool

• privy

• public sewer line

• septic tank

The oldest type of public sewer that conveys both storm water and sanitary wastes. This type of public sewer is already obsolete and no longer allowed by sanitary authorities.

• combination public sewer

• sanitary sewer

• storm drain

A public sewer facility that carries regular sanitary wastes only. It terminates in a modern sewage dispersal plant. Rainwater is not permitted to enter into this type of public sewer.

• combination public sewer

• sanitary sewer

• storm drain

A kind of public sewer line that carries storm water. It terminates in a natural drain such as canals, lakes or rivers

• combination public sewer

• sanitary sewer

• storm drain

The Intercepting Sewer is a sanitary sewer that conveys sanitary waste to a dispersal plant.

• True
• False

(a)   is classified as a device of the main and storm sewer. It serves as man's access for inspection, cleaning and repair.

House Sewer is defined as, that portion of the horizontal drainage system, which starts from the outer face of the building and terminate at the nearest body of water.

• True
• False