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Minnesota Administrative Rules

CHAPTER 4715, PLUMBING CODE

MINNESOTA PLUMBING BOARD

Table of Parts
Part Title
4715.0100 DEFINITIONS.
4715.0200 BASIC PLUMBING PRINCIPLES.
4715.0210 [Renumbered 4715.0200]
4715.0220 [Renumbered 4715.0200]
4715.0230 [Renumbered 4715.0200]
4715.0240 [Renumbered 4715.0200]
4715.0250 [Renumbered 4715.0200]
4715.0260 [Renumbered 4715.0200]
4715.0270 [Renumbered 4715.0200]
4715.0300 GENERAL REGULATIONS OF PLUMBING CONSTRUCTION.
4715.0310 USE OF PUBLIC SEWER AND WATER SYSTEMS REQUIRED.
4715.0320 CONFORMANCE WITH CODE.
4715.0330 ALTERNATE FIXTURES, APPURTENANCES, MATERIALS, AND METHODS.
4715.0340 HEALTH AND SAFETY.
MATERIALS
4715.0400 QUALITY OF MATERIALS.
4715.0410 IDENTIFICATION OF MATERIALS.
4715.0420 STANDARDS FOR PLUMBING MATERIALS.
PIPING SYSTEM MATERIALS
4715.0500 WATER SUPPLY SYSTEMS.
4715.0510 WATER SERVICE PIPE.
4715.0520 WATER DISTRIBUTION PIPE.
4715.0530 BUILDING SEWERS.
4715.0540 STORM WATER AND YARD DRAINAGE (OUTSIDE FOUNDATION WALLS).
4715.0550 STORM WATER OR CLEAR WATER DRAINAGE (WITHIN BUILDINGS UNDERGROUND).
4715.0560 STORM WATER OR CLEAR WATER DRAINAGE (WITHIN BUILDINGS ABOVE GROUND).
4715.0570 SOIL AND WASTE PIPING UNDERGROUND OR EMBEDDED.
4715.0580 SOIL AND WASTE PIPING ABOVE GROUND.
4715.0590 VENT PIPING BELOW GROUND.
4715.0600 VENT PIPING ABOVE GROUND.
4715.0610 SPECIAL WASTES.
4715.0620 SUBSOIL DRAINS.
4715.0630 SPECIAL MATERIALS.
4715.0640 FIXTURE MATERIALS.
JOINTS AND CONNECTIONS
4715.0700 TIGHTNESS.
TYPES OF JOINTS FOR PIPING MATERIAL
4715.0710 ASBESTOS CEMENT SEWER PIPE JOINTS.
4715.0720 BITUMINIZED FIBER DRAIN PIPE JOINT.
4715.0730 BURNED LEAD JOINTS.
4715.0740 CAULKED JOINTS.
4715.0750 CEMENT MORTAR JOINTS.
4715.0760 COLD JOINT COMPOUND, TAR BASE.
4715.0770 FLARED JOINTS.
4715.0780 GASKET TYPE JOINTS.
4715.0790 HOT-POURED JOINTS.
4715.0800 MECHANICAL JOINTS.
4715.0805 PUSH-ON JOINTS.
4715.0810 PLASTIC JOINTS.
4715.0815 JOINTS IN CHEMICAL WASTE PIPE.
4715.0820 SOLDERED OR BRAZED JOINTS.
4715.0830 THREADED JOINTS -- SCREWED JOINTS.
4715.0840 WIPED JOINTS.
4715.0850 USE OF JOINTS.
4715.0860 SPECIAL JOINTS.
4715.0870 FLANGED FIXTURE CONNECTIONS.
4715.0880 PROHIBITED JOINTS AND CONNECTIONS.
4715.0890 INCREASERS AND REDUCERS.
TRAPS AND CLEANOUTS
4715.0900 FIXTURE TRAP REQUIREMENTS.
4715.0910 TRAPS DESCRIBED.
4715.0920 TRAP PROTECTION.
4715.0930 SIZES OF TRAPS.
4715.0940 SLIP JOINTS AND UNIONS.
4715.0950 TRAP SEALS.
4715.0960 TRAPS PROHIBITED.
4715.0970 TRAP CLEANOUTS.
DRAINAGE PIPE CLEANOUTS
4715.1000 LOCATION.
4715.1010 SIZE OF CLEANOUTS.
4715.1020 CLEANOUT MATERIALS.
4715.1030 CLEANOUTS TO BE ACCESSIBLE.
INTERCEPTORS, SEPARATORS, AND BACKWATER VALVES
4715.1100 INTERCEPTORS AND SEPARATORS REQUIRED.
4715.1105 GREASE INTERCEPTORS.
4715.1110 [Repealed, 36 SR 1479]
4715.1115 [Repealed, 36 SR 1479]
4715.1120 OIL AND FLAMMABLE LIQUIDS SEPARATOR.
4715.1130 INTERCEPTORS AND SEPARATORS FOR SPECIFIC INSTALLATIONS.
4715.1140 VENTING OF INTERCEPTORS AND SEPARATORS.
4715.1150 MAINTENANCE OF INTERCEPTORS AND SEPARATORS.
4715.1160 BACKWATER VALVES.
PLUMBING FIXTURES
4715.1200 CONNECTIONS TO PLUMBING SYSTEM REQUIRED.
4715.1210 REQUIRED MINIMUM NUMBER OF FIXTURES.
4715.1215 [Repealed, 19 SR 590]
4715.1220 INSTALLATION OF FIXTURES.
4715.1230 AUTOMATIC CLOTHES WASHERS.
4715.1240 BATHTUBS, WHIRLPOOL BATHTUBS, AND WHIRLPOOL PEDICURE TUBS.
4715.1250 DISHWASHING EQUIPMENT.
4715.1260 DRINKING FOUNTAINS.
4715.1300 FLOOR DRAINS.
4715.1305 ELEVATOR PIT DRAIN.
4715.1310 FOOD-WASTE GRINDER UNITS.
4715.1320 FLUSHING DEVICES FOR WATER CLOSETS AND URINALS.
4715.1330 FLUSH TANKS.
4715.1340 FLUSHOMETER VALVES.
4715.1350 GARBAGE CAN WASHERS.
4715.1360 LAUNDRY TRAYS.
4715.1370 LAVATORIES.
4715.1380 SHOWERS.
4715.1390 SINKS.
4715.1400 SPECIAL PLUMBING FIXTURES.
4715.1410 URINALS.
4715.1420 WATER CLOSETS.
HANGERS AND SUPPORTS AND PROTECTION
4715.1430 HANGERS AND SUPPORTS.
4715.1440 PROTECTION OF PLASTIC PIPE.
INDIRECT WASTE PIPING
4715.1500 INDIRECT WASTE CONNECTIONS.
4715.1510 INDIRECT WASTE PIPING.
4715.1520 CONNECTIONS FROM WATER DISTRIBUTION SYSTEM.
4715.1530 STERILIZERS.
4715.1540 POTABLE CLEAR WATER WASTES.
4715.1550 DRINKING FOUNTAINS.
4715.1560 SWIMMING POOLS.
4715.1570 METHOD OF PROVIDING AN AIR GAP.
4715.1580 METHOD OF PROVIDING AN AIR BREAK.
4715.1590 RECEPTORS OR SUMPS.
SPECIAL WASTES
4715.1600 CHEMICAL WASTES.
4715.1610 STEAM AND HOT WATER WASTES.
WATER SUPPLY AND DISTRIBUTION
4715.1700 WATER REQUIRED.
4715.1710 WATER SERVICE.
4715.1720 DESIGN OF BUILDING WATER DISTRIBUTION SYSTEM.
4715.1730 SIZE OF FIXTURE BRANCH.
4715.1740 WATER PRESSURE.
4715.1750 WATER HAMMER.
4715.1760 SUPPLY DEMAND.
4715.1770 MINIMUM PRESSURES REQUIRED IN WATER DISTRIBUTION SYSTEM.
INSTALLING THE BUILDING WATER DISTRIBUTION SYSTEM
4715.1800 WATER SUPPLY CONTROL VALVES.
4715.1810 WATER PRESSURE BOOSTER SYSTEMS.
PROTECTION OF POTABLE WATER SUPPLY
4715.1900 DESIGN, MAINTENANCE, AND INSTALLATION.
4715.1910 IDENTIFICATION OF POTABLE AND NONPOTABLE WATER.
4715.1911 TOXIC MATERIALS AND USED PIPE.
4715.1912 USED WATER RETURN PROHIBITED.
4715.1920 CROSS-CONNECTION CONTROL.
4715.1930 [Renumbered 4715.1911]
4715.1940 POTABLE WATER CONNECTIONS TO HEATING OR COOLING SYSTEMS.
4715.1941 HEAT EXCHANGERS.
4715.1950 PROHIBITED CONNECTIONS TO FIXTURES AND EQUIPMENT.
4715.1960 REFRIGERATING UNIT CONDENSERS AND COOLING JACKETS.
4715.1970 [Renumbered 4715.1912]
PROTECTION OF POTABLE WATER AGAINST
BACKFLOW AND BACK-SIPHONAGE
4715.2000 WATER OUTLETS.
4715.2010 MINIMUM REQUIRED AIR GAP.
4715.2020 DEVICES OR ASSEMBLIES FOR THE PROTECTION OF THE POTABLE WATER SUPPLY.
4715.2030 APPROVAL OF DEVICES OR ASSEMBLIES.
INSTALLATION OF DEVICES
4715.2100 BACKFLOW PREVENTERS.
4715.2110 TYPES OF DEVICES REQUIRED WHERE AN AIR GAP CANNOT BE PROVIDED.1
4715.2120 LOCATION OF BACKFLOW PREVENTERS.
4715.2130 [Repealed, 15 SR 76]
4715.2140 [Repealed, 15 SR 76]
4715.2150 CONNECTIONS NOT SUBJECT TO BACK PRESSURE.
4715.2160 CONNECTIONS SUBJECT TO BACK PRESSURE.
4715.2161 INSTALLATION OF REDUCED PRESSURE BACKFLOW PREVENTERS.
4715.2162 DOUBLE CHECK -- DOUBLE GATE VALVE ASSEMBLIES.
4715.2163 CARBONATED BEVERAGE MACHINES.
4715.2165 CHEMICAL/SOAP DISPENSING SYSTEMS.
4715.2170 BAROMETRIC LOOP.
4715.2180 HOT WATER SUPPLY SYSTEM.
4715.2190 COMBINATION WATER AND SPACE HEATING EQUIPMENT.
4715.2200 PRESSURE RELIEF VALVES AND TEMPERATURE RELIEF VALVES DEVICES REQUIRED.
4715.2210 PRESSURE RELIEF VALVES.
4715.2215 THERMAL EXPANSION CONTROL.
4715.2220 HOT WATER STORAGE TANKS.
4715.2230 TANKLESS AND INSTANTANEOUS TYPE HEATERS.
4715.2240 ACCESS TO WATER HEATERS.
4715.2250 DISINFECTION OF POTABLE WATER SYSTEM.
4715.2260 [Renumbered 4715.2161]
4715.2270 [Renumbered 4715.2162]
4715.2280 WATER METER INSTALLATION.
DETERMINING SIZE OF DRAINAGE SYSTEM
4715.2300 LOAD ON DRAINAGE PIPING.
4715.2310 SELECTING SIZE OF GRAVITY DRAINAGE PIPING.
4715.2320 MINIMUM SIZE OF SOIL AND WASTE STACKS.
4715.2330 MINIMUM SIZE OF STACK VENT OR VENT STACK.
4715.2340 PROVISION FOR FUTURE FIXTURES.
4715.2350 MINIMUM SIZE OF UNDERGROUND GRAVITY DRAINS.
4715.2360 SIZING OF OFFSETS ON DRAINAGE PIPING.
4715.2370 FIXTURE CONNECTIONS TO AN OFFSET OF MORE THAN 45 DEGREES OR AT BASE OF STACK.
DRAINAGE PIPING INSTALLATION
4715.2400 PITCH ON HORIZONTAL DRAINAGE PIPING.
4715.2410 CHANGE IN DIRECTION.
4715.2420 PROHIBITED FITTINGS AND CONNECTIONS.
4715.2430 DRAINS BELOW BUILDING SEWER.
4715.2440 DESIGN OF SUMPS.
4715.2450 MACERATING TOILET SYSTEMS.
VENTS AND VENTING
4715.2500 SELECTING SIZE OF VENT PIPING.
4715.2510 PROTECTION OF TRAP SEALS.
4715.2520 VENT STACKS AND STACK VENTS.
4715.2530 VENT TERMINALS.
4715.2540 VENT GRADES AND CONNECTIONS.
4715.2550 WET VENTING.
4715.2560 STACK VENTING.
4715.2570 INDIVIDUAL FIXTURE REVENTING REQUIRED.
4715.2580 COMMON VENTS.
4715.2600 CIRCUIT AND LOOP VENTING.
4715.2610 FIXTURES BACK-TO-BACK.
4715.2620 FIXTURE VENTS.
4715.2630 VENTS FOR FIXTURE TRAP.
4715.2640 YOKE VENTS FOR STACKS OF MORE THAN FIVE BRANCH INTERVALS.
4715.2650 COMBINATION WASTE AND VENT SYSTEM.
4715.2655 ISLAND FIXTURE VENTING.
4715.2660 VENTING OF SUMPS AND SEWERS.
STORM DRAINS
4715.2700 STORM SEWER SYSTEMS.
4715.2710 SIZE OF BUILDING STORM DRAINS AND LEADERS.
4715.2720 SUBSOIL DRAINS.
4715.2730 BUILDING SUBDRAINS.
4715.2740 TRAPS ON STORM DRAINS AND LEADERS.
4715.2750 CONDUCTORS AND CONNECTIONS.
4715.2760 ROOF AND DECK DRAINS.
4715.2770 PROVISIONS FOR EXPANSION.
4715.2780 CONTROL FLOW STORM WATER DRAINAGE FOR DEAD LEVEL ROOFS.
4715.2790 SIPHONIC ROOF DRAINAGE SYSTEM.
INSPECTION, TESTS, AND MAINTENANCE
4715.2800 [Renumbered, 1300.0215, subpart 1]
4715.2810 [Renumbered 1300.0215, subp. 2]
4715.2820 METHOD OF TESTING.
4715.2830 [Renumbered 1300.0215, subp. 3]
4715.2840 DEFECTIVE WORK.
4715.2850 AIR TEST OF DEFECTIVE PLUMBING.
4715.2860 MAINTENANCE.
4715.2870 DISINFECTION OF WATER PIPING.
4715.2880 [Renumbered 1300.0215, subp. 4]
4715.2890 [Renumbered 1300.0215, subp. 5]
4715.3130 [Renumbered 1300.0215, subp. 6]
4715.3140 [Repealed, 33 SR 2042]
4715.3150 [Repealed, 33 SR 2042]
4715.3160 [Repealed, 33 SR 2042]
4715.3170 [Repealed, 33 SR 2042]
EXPLANATORY MATERIALS
4715.3500 GENERAL.
4715.3600 TOTAL DAILY WATER REQUIREMENTS.
4715.3700 DETERMINATION OF PEAK DEMAND.
4715.3800 RECOMMENDED GUIDE FOR SIZING WATER SUPPLY SYSTEM.
4715.3900 [Repealed, 15 SR 76]
4715.4000 [Repealed, 15 SR 76]
4715.4100 USEFUL INFORMATION.
WATER CONDITIONING CONTRACTORS AND INSTALLERS
4715.5000 SCOPE AND APPLICABILITY.
4715.5100 DEFINITIONS.
4715.5200 CONNECTION WITH WATER DISTRIBUTION SYSTEM.
4715.5300 EQUIPMENT DRAIN.
4715.5400 LOCATION.
4715.5500 REGENERATION SANITATION PROCEDURES.
4715.5600 [Repealed, L 2007 c 140 art 13 s 3]
4715.5700 EQUIPMENT AND MATERIALS USED IN INSTALLATIONS.
4715.5800 [Repealed, 37 SR 5]
4715.5900 [Repealed, L 2007 c 140 art 13 s 3]
4715.6000 [Repealed, 37 SR 5]

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