Journeyman Plumber study plan

Diagram a full DWV system from a stack out through the building drain, labeling every trap, vent, and fitting by name

Calculate proper fixture-unit loads for a branch, a stack, and a building drain using a fixture-unit table you build yourself

Explain the difference between a vent stack, stack vent, and relief vent aloud without notes

Identify slope requirements for drain pipe sizes from 1-1/4 in through 6 in and state where each applies

Solve 20 trap-arm distance and developed-length problems for common fixtures

Distinguish wet venting, common venting, and circuit venting by sketching each arrangement

Locate and paraphrase the code sections governing vent termination distances from windows, doors, and air intakes

Write out the rules for cleanout placement, sizing, and access in your own words

Size water supply piping for a two-bath house using both the fixture-unit method and the velocity method, then compare results

Compute pressure loss across a run using friction-loss tables and static head for a two-story installation

Explain backflow prevention device selection for three different scenarios

Summarize the code requirements for water distribution testing, disinfection, and minimum pipe burial depth

Convert between plan scale, actual dimensions, and pipe lengths on at least 10 practice measurements

Calculate grade, fall, and invert elevations for a building sewer given two known elevations

Compute volume, capacity, and material takeoff quantities for a drainage layout from a dimensioned sketch

Re-solve 15 missed DWV questions from Week 1-2 and explain each error in writing

List installation and rough-in dimensions for water closets, lavatories, and tub/shower units

Match each fixture type to its trap size, supply connection size, and minimum fixture-unit value

Trace a fuel gas line from meter to appliance, sizing each segment by load and length

State combustion air, clearances, and venting requirements for a Category I appliance from memory

Size a water heater for a 3-bedroom, 2-bath home using first-hour rating and peak-hour demand

Identify the components and failure points of a temperature and pressure relief valve and its discharge piping requirements

Compare tank, tankless, and heat-pump water heaters on recovery, venting, and installation constraints

Describe thermal expansion control and backflow protection for a closed water heater system

Build a job-site hazard checklist covering trenching, confined space, and soldering fire watch

Name the correct tool for 15 common plumbing tasks and state one safety rule for each

Summarize licensing, permit, inspection, and testing obligations under the code for a typical residential job

Practice 30 rapid-fire code questions on definitions, administration, and general regulations

Complete two full-length timed practice exams under test conditions

Rank every missed question by domain and re-study the two weakest domains

Recite the 20 formulas and code numbers you most often forget, from a self-made flashcard set

Review your Week 1-7 deliverables and rework any goal you could not complete cleanly