Must have a backwater valve and gate valve installed on the discharge line.

Using the same drawing, pipe #18 has [a] fixture units and is [b] inch pipe.

This question applies to this and the next 9 statements.  The statements are either TRUE or FALSE, answer accordingly. In order to properly size a water service and supply system for a building, we must know what? The average water pressure in the area.

When an existing building changes use or occupancy, all plumbing systems within must be brought into compliance with current codes.

The lowest water pressure in the area.

Click on the answers in the correct order. 2 inch pipe is rated at [a] fixture units vertically, and [b] units horizontally.  2 inch cannot be used to drain [c] or [d].  It’s rated at [e] fixture units for venting.

The discharge line from a sewage ejector pump shall be provided with a __________________.

Fixture vents serving fixtures upstream of a backwater valve are counted when calculating cross-sectional area requirments.

Maximum trap arm distance for 1 1/2″ pipe is [a] inches, for 2″ pipe is [b] inches, for 3″ pipe is [c] inches, for 4″ pipe is [d] inches.

The wet vent must be increased one pipe size required for the fixture draining into it.