Chapter 6 IPC questions and answers
graded A+ passed
Size of water service pipe - correct answer ✔✔The minimum diameter of the water service pipe
shall be 3/4 inch
Separation of water service and building sewer - correct answer ✔✔Shall be separated by 5 feet
of undisturbed or compacted earth
Exceptions:
1. Required separation distant shall not apply when the bottom of the water service pipe within
5 feet of the sewer is a minimum of 12 inches above the top of the highest point of the sewer
and the pipe materials conform to table 702.3
2. Water service pipe is permitted to be located in the same trench with the building sewer
provided sewer is constructed of materials listed in table 702.2
3. Required separation distant shall not apply where a water service pipe crosses a sewer pipe,
provided the water service pipe is sleeved to at least 5 feet horizontally from the sewer pipe
centerline on both sides of such crossing
Maximum flow and water consumption - correct answer ✔✔Flow rates and quantities for all
plumbing fixtures and fixture fittings shall be in accordance with table 604.4
Exceptions:
1. Blowout design water closets
2. Vegetable sprays
3.clinical sinks
4. Service sinks
, 5. Emergency showers
T* Max flow of shower ________GPH? - correct answer ✔✔150GPH
Lavatory faucets - correct answer ✔✔Shall be of the metering type
T* Size of fixture supply - correct answer ✔✔The fixture supply pipe shall not terminate more
than 30 inches from the point of connection to the fixture.
Exception:
The length of restriction shall not apply to residential dishwashers or icemakers
T* Where water pressure within a building exceeds ______ psi static an approved water
pressure reducing valve conforming to ASSE 1003 with strainer shall be installed to reduce the
pressure in the building water distribution piping to ______ psi static or less.
Exception? - correct answer ✔✔80, 80
Service lines to sill cocks and outside hydrants, and main supply risers were pressure from the
mains is reduced to 80 psi or less at individual fixtures
Water Hammer - correct answer ✔✔A waterhammer arrestor shall be installed were quick-
closing valves (example: clothes washers, dishwashers, icemakers) and metallic piping is used.
Pipe and pipe fittings, including valves and faucets, utilized in the water supply system shall
have a maximum of _____ percent lead content - correct answer ✔✔8
T* Water service pipe - correct answer ✔✔Water service pipe shall conform to NSF 61. All water
service pipe installed underground or outside the structure, shall have a minimum working
pressure rating of 160 psi at 73.4°F. Water service pipe shall terminate 5 feet outside the
building.
graded A+ passed
Size of water service pipe - correct answer ✔✔The minimum diameter of the water service pipe
shall be 3/4 inch
Separation of water service and building sewer - correct answer ✔✔Shall be separated by 5 feet
of undisturbed or compacted earth
Exceptions:
1. Required separation distant shall not apply when the bottom of the water service pipe within
5 feet of the sewer is a minimum of 12 inches above the top of the highest point of the sewer
and the pipe materials conform to table 702.3
2. Water service pipe is permitted to be located in the same trench with the building sewer
provided sewer is constructed of materials listed in table 702.2
3. Required separation distant shall not apply where a water service pipe crosses a sewer pipe,
provided the water service pipe is sleeved to at least 5 feet horizontally from the sewer pipe
centerline on both sides of such crossing
Maximum flow and water consumption - correct answer ✔✔Flow rates and quantities for all
plumbing fixtures and fixture fittings shall be in accordance with table 604.4
Exceptions:
1. Blowout design water closets
2. Vegetable sprays
3.clinical sinks
4. Service sinks
, 5. Emergency showers
T* Max flow of shower ________GPH? - correct answer ✔✔150GPH
Lavatory faucets - correct answer ✔✔Shall be of the metering type
T* Size of fixture supply - correct answer ✔✔The fixture supply pipe shall not terminate more
than 30 inches from the point of connection to the fixture.
Exception:
The length of restriction shall not apply to residential dishwashers or icemakers
T* Where water pressure within a building exceeds ______ psi static an approved water
pressure reducing valve conforming to ASSE 1003 with strainer shall be installed to reduce the
pressure in the building water distribution piping to ______ psi static or less.
Exception? - correct answer ✔✔80, 80
Service lines to sill cocks and outside hydrants, and main supply risers were pressure from the
mains is reduced to 80 psi or less at individual fixtures
Water Hammer - correct answer ✔✔A waterhammer arrestor shall be installed were quick-
closing valves (example: clothes washers, dishwashers, icemakers) and metallic piping is used.
Pipe and pipe fittings, including valves and faucets, utilized in the water supply system shall
have a maximum of _____ percent lead content - correct answer ✔✔8
T* Water service pipe - correct answer ✔✔Water service pipe shall conform to NSF 61. All water
service pipe installed underground or outside the structure, shall have a minimum working
pressure rating of 160 psi at 73.4°F. Water service pipe shall terminate 5 feet outside the
building.
