Circuit vent
How many fixtures are allowed per vent on a circuit vent
8
Name three fixtures that can be wet vented
Water closet, lavatory, bath tub or shower, bidet, emergency floor drain
What is the maximum slope for a combination waste and vent
1/2" per foot
What must a vent pitch to
A drain
What is the weight of water
8.33 pounds per gallon
How far off the back wall is a standard toilet rough in
12 inches off finished wall
What is the only legal trap in our code
P-trap
Individual or __________ vented fixtures may be tied into the circuit vent
Common
How many bathrooms on the same floor level can be wet vented with one vent
2
How far can a fixture be from a vent in a combination waste and vent system
Unlimited
What is the minimum size penetration for a vent through a roof
3 inch
What is the minimum area of a shower pan
900 square inches
How far off the center of a flush valve is the water supply roughed in
4 3/4"
What is the drum trap exception
Solids interceptor
Whats the maximum slope of a circuit vent
1" per foot
Each wet vented fixture drain shall connect ______ to the horizontal wet vent
A. Upstream
B. Downstream
C. Independently
D. Horizontally
C. Independently
When running a combination waste and vent, what is the only vertical pipe allowed.
The riser to the fixture drain
What is the minimum height of a vent where the roof is being used as a sun deck
7 feet
How do you find the volume of a roof with a parrapit wall
Length x width x height
How far off the side wall is a handicapped toilet roughed in
16-18 inches
What is the maximum vertical distance from fixture outlet to trap weir
24 inches
A relief vent is required when tieing into a stack that receives the discharge of what
The discharge of soil or waste from upper horizontal branches
The dry vent connection for a vertical wet vent shall be an individual or common vent for the most ______ fixture drain
A. Upstream B. Downstream
C. Any position D. Used
A. Upstream
What is the maximum vertical distance for the vertical offset to the fixture drain
8 feet
What is the minimum vent size
1 1/4"
What is pi
3.14
What is the rim height of a handicap toilet
17 inches
Name three illegal traps
Crown vented traps, bell traps, s-traps, drum traps, traps with moving parts, traps with interior partitions
How many toilets draining into a circuit vent are required before a relief vent is needed
4
Any additional fixtures shall discharge ______ from the horizontal wet vent
Downstream
What 4 fixtures can be combination waste and vented
Floor drains, sinks, lavatories and drinking fountains
What is the trap to vent distance for a 1 1/4" trap
5 feet
What is the constant for a 45° offset
Offset x 1.414
What is the rim height of a handicapped lavatory
34 inches
What is the minimum and maximum liquid depth of a trap
2-4 inches
The fixture drains must connect to the horizontal branch of the circuit vent in what position
Each fixture drain shall connect horizontally
How many DFUs can go into an 1 1/2 " wet vent
1
The combination waste and vent shall be provided with a dry vent at any point, or shall be connected to a horizontal drain that serves _______
Any legally vented fixture
A vent must be half the size of the drain it serves unless the total developed length exceeds ______, in which case it must be increased be one pipe size
40 feet
A ten foot riser of pipe will have how much pressure at the bottom
4.33 psi
What is the rim height of a standard non-handicap urinal
24 inches
In what location would floor drain not be trapped
Parking garages