OR Plumber case studies

OR Plumber · Put your knowledge to work in context.

The Oregon Plumber licensing credential is administered within Oregon's Building Codes Division (BCD), part of the Department of Consumer and Business Services. The BCD is the state body that handles licensing, code programs, permits, and continuing education for trades in Oregon. Candidates searching for the plumber licensing page should be aware that the BCD's plumber licensing URL currently returns a "404 Page Not Found" response, so the specific exam blueprint, application steps, fees, and scheduling details are not available from this source. Our preparation material is organized around five domains of equal weight (20% each): General Plumbing Knowledge; Plumbing Systems and Fixtures; Water Supply and Distribution; Drainage, Waste, and Vent Systems; and Oregon Plumbing Code and Regulations. The OR Plumber case studies are 5 cases and about 5,119 words.

T&P Relief Weeping After the Utility Added a PRV and Dual Check

Service call at a 1968 two-story house. The 50-gallon gas water heater's T&P relief valve discharges about a cup of water every evening, shortly after the family finishes showers.

1,034 words, about 5 min 2

Cafe Tenant Improvement and the Three Cheap Shortcuts

Tenant improvement converting a 1,200 sq ft retail bay into a 40-seat cafe. The approved plan shows a three-compartment sink, a two-compartment prep sink, a single-tank commercial dishwasher with a 1-1/2 in.

989 words, about 5 min 3

Second-Floor Pressure Collapse on a Long 1/2-Inch PEX Run

A 1970s ranch house with a 1 in. meter and 62 psi static pressure at the meter outlet.

992 words, about 5 min 4

Basement Bathroom Off an Old 3-Inch Stack: Trap Arms, Slope, and Wet Venting

Basement finish in a 1926 house. cast iron building drain runs under the slab at 1/8 in.

1,089 words, about 5 min 5

Cash Side Work, an Owner-Occupied Neighbor, and a Friday Move-In

A journeyman plumber employed by a licensed plumbing contractor gets three requests in one week. First, a landlord who owns a duplex offers cash for a Saturday water heater replacement and a new exterior hose bibb, saying 'no permits, I'm the owner.' Second, a neighbor who owns and lives in a single-family house asks him to move a shower valve and add a hot-water recirculation line.

1,015 words, about 5 min