Blueprint Reading & Interpretation Flashcards

A plumbing drawing's general notes state 'ALL WORK SHALL CONFORM TO THE CURRENTLY ADOPTED IPC.' What does IPC stand for?

Answer: International Plumbing Code

IPC stands for the International Plumbing Code, the model plumbing code adopted by many US jurisdictions.

On a blueprint, what does 'TYP' written next to a dimension or detail mean?

Answer: Typical — applies to all similar conditions

TYP means Typical, indicating that the labeled dimension, detail, or note applies to all similar situations shown on the drawing.

A plumbing blueprint references a 'P-trap.' Where on a drawing would you expect to see this symbol located?

Answer: Directly below or adjacent to a fixture drain outlet

P-trap symbols appear directly below fixture drain outlets, showing where the water seal trap is installed to prevent sewer gas entry.

What does the notation 'BFP' indicate on a plumbing blueprint?

Answer: Back Flow Preventer

BFP stands for Backflow Preventer, a device required at cross-connection points to prevent contaminated water from flowing back into the potable supply.

On a plumbing drawing, a pipe with diagonal hatch marks drawn along its length typically indicates what?

Answer: An insulated pipe

Diagonal hatch marks along a pipe symbol indicate that the pipe requires insulation, used for hot water, chilled water, or condensation control.

When reading a plumbing specification referenced on a blueprint, Division 22 refers to what trade work?

Answer: Plumbing systems

Under the MasterFormat specification system, Division 22 covers Plumbing, including all domestic water, sanitary drainage, and plumbing equipment.

A plumbing site plan shows a dashed line with 'SS' labeled at intervals. What does 'SS' most likely indicate?

Answer: Sanitary Sewer

SS with a dashed line on a site plan typically designates the Sanitary Sewer line running underground between buildings and the public main.