Journeyman Plumber case studies
Journeyman Plumber · Put your knowledge to work in context.
The Journeyman Plumber credential is the working-level license that lets a plumber install, alter, and repair plumbing systems without the direct supervision required of an apprentice. It sits between apprenticeship and master licensure: you need documented field hours and a passing exam score to earn it, and it is what most employers mean when they advertise for a licensed plumber. The Journeyman Plumber case studies are 5 cases and about 4,391 words.
1Unvented Tub Trap Arm in a Slab Remodel
1950s single-story house on a slab; the hall bath is being remodeled in place and the drain lines are buried in the slab. As found: the tub trap arm is 9 ft of 1-1/2 in.
866 words, about 4 min2High Street Pressure, a Failed PRV, and an Unprotected Water Heater
Two-story house built in 1988 on city water. A gauge on the hose bibb reads 112 psi static and 108 psi flowing.
850 words, about 4 min3Orphaned Water Heater on an Oversized Common Vent
Basement mechanical room, 12 ft by 10 ft by 7.5 ft (900 cu ft), drywalled and spray-foamed, with a solid door to a finished basement. Equipment: a 5-year-old 40,000 Btu/h natural-draft gas water heater and, until last week, a 100,000 Btu/h natural-draft furnace.
844 words, about 4 min4Tub-to-Shower Conversion: Drain, Pan, and Supply
Bath remodel: a 30 in. alcove tub is being replaced by a tile shower.
936 words, about 5 min5Sizing a Black Iron Gas System from the Plan
natural gas at 1,000 Btu/cu ft, meter on the left exterior wall, schedule 40 black iron throughout. Loads and developed lengths from the meter, with fittings allowance included: water heater 40,000 Btu/h at 15 ft; dryer 35,000 at 30 ft; furnace 80,000 at 40 ft; range 65,000 at 55 ft; outdoor grill 40,000 at 70 ft.
895 words, about 4 min