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;
26 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
The pipe connected to a building drain 1m outside of a building is called? |
Building sewer |
4” MIN SIZE |
|
|
A soil or waste stack passes through ________ or more storeys? |
1 |
|
|
|
What is the minimum grade/slope of drainage pipe 3" and less? |
1/4"/ft |
|
|
|
A trap arm is the portion of the fixture drain between the __________ and the vent pipe fitting |
trap weir |
|
|
|
A soil or waste stack will always convey sewage only |
False |
|
|
|
What is the minimum size of a building sewer to a public sewer? |
4" |
|
|
|
The building drain upstream of the main cleanout is a minimum size of? |
3" |
|
|
|
A double T wye can be used to connect back to back water closets |
False |
|
|
|
An offset can be used in place of a slip joint/expansion joint |
True |
|
|
|
Backfilling should be carefully placed and tamped around and over the pipe to a depth of? |
300mm |
|
|
|
A backflow preventer must be installed on each fixture, each branch or on the main building drain when the system is located below grade (under the elevation of the street) |
True |
|
|
|
The back water valve installed on the main building drain must be the _______ type |
open |
|
|
|
From the base of a stack that receives a discharge of __________ or more fixture units or has fixtures discharge from 2 or more floors there must _________ of pipe before any other drains can connect to it |
30/1.5m |
|
|
|
What is the maximum horizontal spacing of supports for ABS/PVC piping |
1.2m |
|
|
|
What is the minimum length and maximum length of an unvented floor drain trap arm? |
18"/12ft |
|
|
|
How many p-traps are required to serve a 3 compartment sink? |
1 |
|
|
|
Stacks that serve more than 6 w.c. shall not be less than 3" |
False |
|
|
|
It is ok to install piping with no identification or markings on it |
False |
|
|
|
A p-trap is used downstream of fixtures to prevent __________ fromentering the building |
sewer gas |
|
|
|
P-traps installed downstream of a basin should be what type? |
union |
|
|
|
The total fall of a 2" trap arm cannot be more than? |
2 |
|
|
|
The minimum length of a trap is twice the pipe diameter of the fixture drain |
True |
|
|
|
The maximum length of an 1 1/2" trap arm is? |
6'/1.8m |
|
|
|
A toilet flange is allowed to act as a cleanout |
True |
|
|
|
Table ___________ lists the minimum size and spacing of cleanouts |
2.4.7.2 |
|
|
|
A __________ may only be used to connect vents together and a _________may only be used to connect vents together or to connect a drain on the vertical |
Tee fitting/Sanitary Tee |
|
