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]