NITC Journey Level Plumber case studies
NITC Journey Level Plumber · Put your knowledge to work in context.
The NITC Journey Level Plumber credential is a trade certification for plumbers who have completed their apprenticeship or accumulated equivalent field experience and want independent verification of journeyman-level competence. It is used by working plumbers, contractors screening hires, and jurisdictions or employers that recognize third-party certification as evidence of skill. The NITC Journey Level Plumber case studies are 5 cases and about 2,687 words.
1Six-Foot Sewer Trench With a Live Gas Service
You are the lead plumber on a sewer lateral replacement at a 1960s ranch house. The crew has excavated a 6 ft deep, 36 in wide trench in the front yard to expose a broken 4 in clay lateral.
584 words, about 3 min2Pressure Test Drops on a Galvanized-to-PEX Repipe
You are repiping a 1958 split-level with PEX-A. The existing 3/4 in galvanized steel service enters the basement, and the homeowner wants the galvanized removed and PEX throughout.
534 words, about 3 min3Shower Temperature Swings After a Valve Replacement
A homeowner in a 1994 two-story colonial reports that the second-floor shower swings from 95°F to 135°F whenever the first-floor toilet is flushed or the kitchen faucet is opened. The water heater is a 50 gal gas tank set to 140°F, with no mixing valve and no thermal expansion tank.
496 words, about 2 min4Basement Bathroom Rough-In Fails Inspection
You are finishing a basement bathroom in a 1970s house: water closet, lavatory, and a 36 in by 60 in shower. The existing 3 in cast iron stack runs in a furred wall, and the 4 in building drain is under the slab.
587 words, about 3 min5T&P Relief Weeps After a New PRV and Meter
You are called to a 1998 two-story house with a 50 gal gas water heater. The city recently replaced the meter and installed a new 3/4 in PRV with a built-in backflow preventer set to 65 psi.
486 words, about 2 min