Trap Arm
What is the maximum trap arm length for 1 1/2" pipe?
3 1/2 feet or 42"
How many fixture can a 2" vent pipe convey?
24 fixture units
What is the minimum trap size for a bath tub?
1 1/2"
At what location on a water heating tank are earthquake straps required?
Upper and lower 1/3rd of tank
What is the maximum static pressure allowed inside of a building?
80 PSI
What is the maximum distance for support on a horizontal 2" ABS pipe?
4 feet
What is the maximum trap arm length for 2" pipe?
5 feet or 60"
How many fixture can a 1 1/2" vent pipe convey?
What is the minimum trap size for a shower?
2"
What is the minimum distance PEX piping can be from a water heater?
18"
What is the minimum static pressure allowed inside of a building?
15 PSI
What is the maximum distance for support on a horizontal 3/4" PEX pipe?
32"
What is the maximum trap arm length for 3" pipe?
6 feet or 72"
How many fixture can a 3" vent pipe convey?
84 fixture units
What is the minimum trap size for a exposed trap urinal?
1 1/2"
What is the temperature and pressure rating for a standard water heater relief valve?
210 degrees & 150 psi
Is the static water pressure at the meter is 80 PSI, and the highest fixture is 30 feet above the meter, what is the static pressure at the highest fixture?
65 PSI
What is the cross sectional area in square inches of a 4" sewer pipe
12.57 sq inches
What is the maximum trap arm length for 4" pipe?
10 feet or 120"
How many fixture can a 4" vent pipe convey?
256 fixture units
!!!!!!DAILY DOUBLE!!!!!!
What is the minimum trap size for a lavatory sink?
1 1/4"
When is a vacuum breaker required on a water heater?
When the water heater is located above the fixture outlet
When a water line crosses a clay sewer pipe underground, what is the minimum vertical and horizontal distance required?
12
A domestic dishwasher drain shall first connect to a _____.
Air Gap
What is the maximum trap arm length for 1 1/4" pipe?
2 1/2 feet or 30"
How many fixture can a 1 1/4" vent pipe convey?
1 fixture unit
What is the minimum trap size for a emergency floor drain?
2"
First hour rating of 54 gallons
1
The required clearance in front a 3" cleanout is ______ inches.
24"