Let Me Breath
Portion of a DWV system that acts as a fixture drain for an upstream fixture and vent for a downstream fixture
What is a wet vent
How many degrees can a fixture trap arm have?
(not including a WC)
135 degrees
What is the meaning of FU in the plumbing industry?
Fixture units
A vanity produces what kind of sewage?
Waste
What fixture is most likely to wet vent other fixtures?
Vanity
Minimum size of vent pipe is exposed to outside air
3 inch
How many changes in direction can you have on a stack vent?
Unlimited
What is the max Hydraulic load drained to a 3" branch?
27 FU
A WC produces what kind of sewage?
Soil and Waste
What is Derek's least favorite fixture to service?
Urinal
Two stacks combine to create a?
Vent Header
How many changes in direction can you have on a WC trap arm?
225 degrees
What is the max hydraulic load drain to a 3" building drain?
27 FU
Sewage from a private resident's discharges into a ______ rather than a building sewer?
Septic Tank
What fixture has no hydraulic load?
Emergency Floor Drain
What vent requires a C/O in case a backup happens and contaminants can therefore restrict air flow?
Flat Vent
What is the lowest graded point on a standard DWV system?
BLDG drain/sewer
How many FU's can a 2" wet vent receive?
Four
What must be done to an acidic condensate line before it goes to drain?
Neutralized
Name two fixtures that can't be dual vented as a combination?
Sink and tub/toilet/shower
What does code require every house to have in regards to venting minimums?
3" Stack
Upstream/Downstream of each other, the max space between one way rodding C/O less than 3 " is?
7.5 meters
What hydraulic load must be known when sizing a vent?
Any fixture being vented
Toilets can tie in on the same branch but can't ______?
tie in at different locations
What two fixtures are mandatory in a dwelling?
W/C and Sink