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the test works fine

Pipe #20 has [a] DFUs and is [b] inch pipe.

A __________________________ is a device that permits a discharge pipe to exit a well and connect to a water storage tank.  They protect well water from contamination and freezing.

Horizontal wet venting is

Open the attached table→1103.3.pdf   With a projected roof area of 18,500 square feet in an area that has a rainfall rate of 3 inches per hour, what minimum size of horizontal pipe is required at a 1/4″ per foot slope?

The lowest water pressure in the area.

A rolling offset, using 45s, has a rise of 14″ and a roll of 19″.  What is the center-to-center measurement of the offset?

Must pass a 1 1/2″ solid ball

In a 45-degree offset, the length of the rise is ______.

________ drawings serve as the permanent record of a project and should be stored in a safe place in the building.