As a general rule, ____ is not permitted to dis charge into a septic tank or to the main sewer line. The collection and disposal of storm water is an important

phase of plumbing system that should not be ignored, otherwise, water coming from the roof if not properly diverted might create problems like:

is a collector of water coming down from the downspout leading the accumulated water away from the house at a relatively low rate of flow.

is sometimes located under the basement floor or within the walls of the building. This type of storm drain is commonly found in buildings constructed along congested business district, or building that occupies the entire frontage of the lot. The drainpipe is laid under the floor or walls of the stricture.

is installed outside the foundation wall of the building. This type of drainage is possible on location where the lot is not totally occupied by the building.

is adopted when the street drainage is higher in elevation than the basement floor of the building. The purpose is to avail of the gravity - flow of water. The pipe is well fitted and suspended inside the ceiling by suitable hangers spaced at closer intervals.

The storm drain is installed providing a slope of not more than 2% per meter run.

_____ fitting is appropriate for any change in direction.

is popularly known as water conductor or downspout either concealed or exposed type. It connects the roof terminal to the storm drain.