JOURNEYMAN PLUMBING FINAL PAPER 2025/2026
QUESTIONS AND ANSWERS GRADED A++
✔✔What is effluent? - ✔✔Liquid waste from Septic Tank
✔✔Drain Field for Effluent has what? - ✔✔Pipelines laid parallell with slits 4" to 6"
intervals, covered with washed stone
✔✔Pipe pitch for drain field - ✔✔1" for every 50 feet
✔✔Distribution Box Purpose? - ✔✔Allows for each pipeline to get even amount of liquid
to drain
✔✔Cleanout Angle Maximum - ✔✔Not more than 90 degrees, No U-turn
✔✔P-trap Seal Requirement - ✔✔2" minimum to 4" maximum
✔✔BS - ✔✔Building Sewer (from BD to point of disposal)
✔✔BD - ✔✔Building Drain (lowest horizontal portion of drainage system)
✔✔WS - ✔✔Waste Stack (vertical portion of BD that gets drainage discharge from
horizontal branches)
✔✔SV - ✔✔Stack Vent (Vent for WS that extends and goes through roof or connects to
VS)
✔✔VS - ✔✔Vent Stack (Main Vent for DWV system)
✔✔FD - ✔✔Fixture Drain (single trap, also called waste arm)
✔✔FB - ✔✔Fixture Branch (serves more than one fixture drain)
✔✔HB - ✔✔Horizontal Branch (connects fixture branch to waster stack or building
drain)
✔✔IV - ✔✔Individual Vent
✔✔BV - ✔✔Branch Vent (Vent for a fixture branch)
✔✔RV - ✔✔Relief Vent (many types, relieve pressure)
✔✔CV - ✔✔Circuit Vent (serves specific design known as battery venting, connects to
VS
QUESTIONS AND ANSWERS GRADED A++
✔✔What is effluent? - ✔✔Liquid waste from Septic Tank
✔✔Drain Field for Effluent has what? - ✔✔Pipelines laid parallell with slits 4" to 6"
intervals, covered with washed stone
✔✔Pipe pitch for drain field - ✔✔1" for every 50 feet
✔✔Distribution Box Purpose? - ✔✔Allows for each pipeline to get even amount of liquid
to drain
✔✔Cleanout Angle Maximum - ✔✔Not more than 90 degrees, No U-turn
✔✔P-trap Seal Requirement - ✔✔2" minimum to 4" maximum
✔✔BS - ✔✔Building Sewer (from BD to point of disposal)
✔✔BD - ✔✔Building Drain (lowest horizontal portion of drainage system)
✔✔WS - ✔✔Waste Stack (vertical portion of BD that gets drainage discharge from
horizontal branches)
✔✔SV - ✔✔Stack Vent (Vent for WS that extends and goes through roof or connects to
VS)
✔✔VS - ✔✔Vent Stack (Main Vent for DWV system)
✔✔FD - ✔✔Fixture Drain (single trap, also called waste arm)
✔✔FB - ✔✔Fixture Branch (serves more than one fixture drain)
✔✔HB - ✔✔Horizontal Branch (connects fixture branch to waster stack or building
drain)
✔✔IV - ✔✔Individual Vent
✔✔BV - ✔✔Branch Vent (Vent for a fixture branch)
✔✔RV - ✔✔Relief Vent (many types, relieve pressure)
✔✔CV - ✔✔Circuit Vent (serves specific design known as battery venting, connects to
VS
