PHILADELPHIA MASTER PLUMBER EXAM 2026
PLUMBING SYSTEMS AND CODE
COMPLIANCE ASSESSMENT PAPER AND
SOLUTIONS GRADED A+
◉ 4' 6" Below Grade.
Answer: Water Services Shall Be Installed Not Less Than:
◉ Insulated/Heated or Both.
Answer: Piping installed in exterior walls or areas subject to freezing
must:
◉ 36" Below Grade.
Answer: Building Sewers connected to a public sewer shall have a
minimum coverage of:
◉ Under a water heater 6 gallons or greater that is elevated.
Answer: A safe waste pan shall be installed
◉ 2" deep with 2" clearance around heater.
Answer: A safe waste pan shall be at least
,◉ 5' undisturbed compacted earth.
Answer: Water service piping and building drain/sewer shall be
separated by:
◉ Water line is installed minimum 12" above sewer line at highest
point.
Answer: Water service separation distance is not required if:
◉ 50'.
Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
◉ 12"below the roof with an approved fitting.
Answer: Where frost closure is common an increase in vent size
shall take place:
◉ "V" zone (subject to wave heights in excess of 3').
Answer: High Hazard flood zone is:
◉ 8.0% Lead.
Answer: Lead free pipe and fittings contain less than:
, ◉ 110 degrees.
Answer: Hot water is water at temperature greater than or equal to:
◉ 0.2% Lead.
Answer: Lead free solder and flux contain no more than
◉ 0.5 inches.
Answer: Strainer plates on drain lines for rodent proofing must have
openings:
◉ Two pipe size greater than the pipe passing through it.
Answer: Sleeves for pipes passing through foundation walls or under
footings shall be:
◉ 500'.
Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
◉ 300'.
Answer: Travel distance to toilet facilities in covered malls are:
◉ 15".
PLUMBING SYSTEMS AND CODE
COMPLIANCE ASSESSMENT PAPER AND
SOLUTIONS GRADED A+
◉ 4' 6" Below Grade.
Answer: Water Services Shall Be Installed Not Less Than:
◉ Insulated/Heated or Both.
Answer: Piping installed in exterior walls or areas subject to freezing
must:
◉ 36" Below Grade.
Answer: Building Sewers connected to a public sewer shall have a
minimum coverage of:
◉ Under a water heater 6 gallons or greater that is elevated.
Answer: A safe waste pan shall be installed
◉ 2" deep with 2" clearance around heater.
Answer: A safe waste pan shall be at least
,◉ 5' undisturbed compacted earth.
Answer: Water service piping and building drain/sewer shall be
separated by:
◉ Water line is installed minimum 12" above sewer line at highest
point.
Answer: Water service separation distance is not required if:
◉ 50'.
Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
◉ 12"below the roof with an approved fitting.
Answer: Where frost closure is common an increase in vent size
shall take place:
◉ "V" zone (subject to wave heights in excess of 3').
Answer: High Hazard flood zone is:
◉ 8.0% Lead.
Answer: Lead free pipe and fittings contain less than:
, ◉ 110 degrees.
Answer: Hot water is water at temperature greater than or equal to:
◉ 0.2% Lead.
Answer: Lead free solder and flux contain no more than
◉ 0.5 inches.
Answer: Strainer plates on drain lines for rodent proofing must have
openings:
◉ Two pipe size greater than the pipe passing through it.
Answer: Sleeves for pipes passing through foundation walls or under
footings shall be:
◉ 500'.
Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
◉ 300'.
Answer: Travel distance to toilet facilities in covered malls are:
◉ 15".
