(Optional) Prepare a plumbing plan.

Preparation should include

using the floor plan as a guide
setting the scale
drawing symbols for all plumbing fixtures
locating and drawing drain and soil-vent stacks
drawing the connection of all fixtures and floor drains to the house drain
locating and drawing the building main for the water supply system
drawing hot and cold water mains and branch lines
identifying each element of the plumbing system and showing sizes
adding a plumbing-fixture schedule, a symbol legend, and general notes as required.

Process/Skill Questions: