Blog

A Laundry Sink (tub or tray) is drainage fixture units and inch trap and arm.

Match the pipe type with the support intervals

Vents must terminate at least inches from any vertical surface, at least inches above the roof, not less than feet above any openable window, door or air intake and not less than feet horizontally from any openable window, door or air-intake.

Pipe #8 is called a [a] vent and is [b] inch pipe.

A 3″ horizontal soil pipe may only have toilets on it, whereas a 3″ vertical soil pipe may have .

The limitations on vertical wet venting are ___________.  (check all that apply):

In drainage, a sanitary tee may be used in what direction change(s)? Pick all that apply.

Every indirect waste interceptor receiving discharge containing particles that would clog the receptor drain shall ____________.

Which statements are true regarding air admittance valves?  (Pick all that apply)

Positive pressures in a waste stack will be relieved by the requirement that the vent stack be connected to the drainage stack by means of a [a] every [b] floor.