Plumbing Q&A
1.What is the discharge pipe that is flow condition and that extends from the lift station carrying sewage under pressure ?
Force main
2 .Where will the drain from battery rooms battery rooms before discharge to the sanitary sewer line ?
Neutralization Tan
3.What is the minimum size of sewer lines that are allowed to be embedded under slab?
64mm or 2”Dia
4.What are provided in sanitary sewer line for change in direction?
Cleanouts
5.Liquids at a temperature of ______ deg F shall not be discharge into any drainage or public sewer ?
140 Deg .F.
6.Any branch of water distribution piping networks shall not be less than ______ nominal diameter ?
63 mm
7.What should be used for the connection of water distribution between dissimilar metals?
Dielectric or insulating union.
8.what is the maximum separation distance between for public sewer?
90 meters (295ft)
9.The copper tubes used for water piping shall weigh not less than ___ type?
Type L
10.What is the minimum accepted trap seal clearance for building ?
4” (110mm)
11.What is the TOE wall & what is its minimum height?
A raised curb that controls and directs effluent to a catch basin and the toe walls shall have min height of 150mm
12.What is the minimum trench width required at the bottom?
300mm above the top of the pipe
