Plumbing · UPC ch. 9, 10

Traps & venting

S-traps, double traps, trap arms, trap seals, vent connections and roof terminations. 5 drills, each with the answer, the fix and the 2018 UPC section.

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The drills

Vanity drain in an older bath
Level 1 · Apprentice
Bathroom vanity, doors open
Double-bowl sink with a disposer
Level 2 · Journeyman
Kitchen sink base, doors open
Vent through a porch roof
Level 2 · Journeyman
Lower roof below a second-story window, winter
Basement laundry tub rough-in
Level 3 · Master
Unfinished basement, laundry tub against a stud wall
Bathtub trap in a crawlspace
Level 3 · Master
Crawlspace below a bathroom, looking up

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