Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Strainers used for roof drain shall have an inlet area of what that the conductor |
1 1/2 |
|
|
A trap is required for all lower roof drain with combined sewer |
True |
|
|
A rain leader shall be found where ? |
Outside |
|
|
What type of waste may discharge into s storm system? |
Clear water |
|
|
Sub soil drains below gravity shall discharge into a what? |
Sump/receiving tank |
|
|
Storm water shall not enter what system? |
Sanitary |
|
|
For every GPM of clear water waste that discharge on a roof shall be equal to |
24 SQ FT |
|
|
What is the max pitch per ft allowed for storm water |
1/2 pitch |
|
|
Traps are not required on roofs that is just used for a storm system? |
True |
|
|
Roof drain strainers shall extend how much higher than the roof? |
4" |
|
|
An angle greater than 45 degrees is considered what? |
Horizontal |
|
|
A rain water conductor is found in what location? |
Inside |
|
|
What is the min size area drain size |
3" |
|
|
The top floor of a parking garage must discharge into gas and oil sepeator? |
True |
|
|
The use of perforated pipe can be used inside a building for sub soil drains ? |
True |
|
|
What is the min size sub soil drains pipe? |
4" |
|
|
Sub soil drains subject to back flow shall require what? |
Back water valve |
|
|
Area drains shall connect to what type of system? |
Storm |
|
|
Area drains shall not require a backwater valve and trap? |
False |
|
|
Roof drains are sized based on how many inches of water per hour? |
4" |
