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eLibrary > Virginia Plumbing Code >

Virginia Plumbing Code, 2021

COPYRIGHT
PREFACE
TABLE OF CONTENTS
CHAPTER 1 ADMINISTRATION [Go to Page]
SECTION 101 GENERAL
SECTION 102 PURPOSE AND SCOPE
SECTION 103 APPLICATION OF CODE
SECTION 104 ENFORCEMENT, GENERALLY
SECTION 105 LOCAL BUILDING DEPARTMENT
SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
SECTION 107 FEES
SECTION 108 APPLICATION FOR PERMIT
SECTION 109 CONSTRUCTION DOCUMENTS
SECTION 110 PERMITS
SECTION 111 RDP SERVICES
SECTION 112 WORKMANSHIP, MATERIAL AND EQUIPMENT
SECTION 113 INSPECTIONS
SECTION 114 STOP WORK ORDERS
SECTION 115 VIOLATIONS
SECTION 116 CERTIFICATES OF OCCUPANCY
SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
SECTION 118 BUILDINGS OR STRUCTURES THAT BECOME A THREAT TO PUBLIC SAFETY DURING CONSTRUCTION
SECTION 119 APPEALS
CHAPTER 2 DEFINITIONS [Go to Page]
SECTION 201 GENERAL
SECTION 202 GENERAL DEFINITIONS
CHAPTER 3 GENERAL REGULATIONS [Go to Page]
SECTION 301 GENERAL
SECTION 302 EXCLUSION OF MATERIALS DETRIMENTAL TO THE SEWER SYSTEM
SECTION 303 MATERIALS
SECTION 304 RODENTPROOFING
SECTION 305 PROTECTION OF PIPES AND PLUMBING SYSTEM COMPONENTS
SECTION 306 TRENCHING, EXCAVATION AND BACKFILL
SECTION 307 STRUCTURAL SAFETY
SECTION 308 PIPING SUPPORT
SECTION 309 FLOOD HAZARD RESISTANCE [Go to Page]
TABLE 308.5 HANGER SPACING
SECTION 310 WASHROOM AND TOILET ROOM REQUIREMENTS
SECTION 311 TOILET FACILITIES FOR WORKERS DELETED
SECTION 312 TESTS AND INSPECTIONS
SECTION 313 EQUIPMENT EFFICIENCIES
SECTION 314 CONDENSATE DISPOSAL [Go to Page]
[M] TABLE 314.2.2 CONDENSATE DRAIN SIZING
SECTION 315 PENETRATIONS
SECTION 316 ALTERNATIVE ENGINEERED DESIGN
CHAPTER 4 FIXTURES, FAUCETS AND FIXTURE FITTINGS [Go to Page]
SECTION 401 GENERAL
SECTION 402 FIXTURE MATERIALS
SECTION 403 MINIMUM PLUMBING FACILITIES [Go to Page]
TABLE 403.1 MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa (See Sections 403.1.1 and 403.2) [Go to Page]
TABLE 403.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa (See Sections 403.1.1 and 403.2)
TABLE 403.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa (See Sections 403.1.1 and 403.2)
TABLE 403.1.4 MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES FOR MARINAS
SECTION 404 ACCESSIBLE PLUMBING FACILITIES
SECTION 405 INSTALLATION OF FIXTURES
SECTION 406 AUTOMATIC CLOTHES WASHERS
SECTION 407 BATHTUBS
SECTION 408 BIDETS
SECTION 409 DISHWASHING MACHINES
SECTION 410 DRINKING FOUNTAINS
SECTION 411 EMERGENCY SHOWERS AND EYEWASH STATIONS
SECTION 412 FAUCETS AND FIXTURE FITTINGS
SECTION 413 FLOOR AND TRENCH DRAINS
SECTION 414 FLOOR SINKS
SECTION 415 FLUSHING DEVICES FOR WATER CLOSETS AND URINALS
SECTION 416 FOOD WASTE DISPOSER UNITS
SECTION 417 GARBAGE CAN WASHERS
SECTION 418 LAUNDRY TRAYS
SECTION 419 LAVATORIES
SECTION 420 MANUAL FOOD AND BEVERAGE DISPENSING EQUIPMENT
SECTION 421 SHOWERS
SECTION 422 SINKS
SECTION 423 SPECIALTY PLUMBING FIXTURES
SECTION 424 URINALS
SECTION 425 WATER CLOSETS
SECTION 426 WHIRLPOOL BATHTUBS
CHAPTER 5 WATER HEATERS [Go to Page]
SECTION 501 GENERAL
SECTION 502 INSTALLATION
SECTION 503 CONNECTIONS
SECTION 504 SAFETY DEVICES
SECTION 505 INSULATION
CHAPTER 6 WATER SUPPLY AND DISTRIBUTION [Go to Page]
SECTION 601 GENERAL
SECTION 602 WATER REQUIRED
SECTION 603 WATER SERVICE
SECTION 604 DESIGN OF BUILDING WATER DISTRIBUTION SYSTEM [Go to Page]
TABLE 604.3 WATER DISTRIBUTION SYSTEM DESIGN CRITERIA REQUIRED CAPACITY AT FIXTURE SUPPLY PIPE OUTLETS
TABLE 604.4 MAXIMUM FLOW RATES AND CONSUMPTION FOR PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 604.5 MINIMUM SIZES OF FIXTURE WATER SUPPLY PIPES
TABLE 604.10.1 MANIFOLD SIZING
SECTION 605 MATERIALS, JOINTS AND CONNECTIONS [Go to Page]
TABLE 605.3 WATER SERVICE PIPE
TABLE 605.4 WATER DISTRIBUTION PIPE
TABLE 605.7 VALVES
TABLE 605.5 PIPE FITTINGS
TABLE 605.8 MANUFACTURED PIPE NIPPLES
SECTION 606 INSTALLATION OF THE BUILDING WATER DISTRIBUTION SYSTEM [Go to Page]
TABLE 606.5.4 SIZES FOR OVERFLOW PIPES FOR WATER SUPPLY TANKS
TABLE 606.5.7 SIZE OF DRAIN PIPES FOR WATER TANKS
SECTION 607 HOT WATER SUPPLY SYSTEM
SECTION 608 PROTECTION OF POTABLE WATER SUPPLY [Go to Page]
TABLE 608.1 APPLICATION OF BACKFLOW PREVENTERS
FIGURE 608.9.1 PICTOGRAPH—DO NOT DRINK
TABLE 608.9.2.2 SIZE OF PIPE IDENTIFICATION
TABLE 608.16.1 MINIMUM REQUIRED AIR GAPS
TABLE 608.18.1 DISTANCE FROM CONTAMINATION TO PRIVATE WATER SUPPLIES AND PUMP SUCTION LINES
SECTION 609 HEALTH CARE PLUMBING
SECTION 610 DISINFECTION OF POTABLE WATER SYSTEM
SECTION 611 DRINKING WATER TREATMENT UNITS
SECTION 612 SOLAR SYSTEMS
SECTION 613 TEMPERATURE CONTROL DEVICES AND VALVES
CHAPTER 7 SANITARY DRAINAGE [Go to Page]
SECTION 701 GENERAL
SECTION 702 MATERIALS [Go to Page]
TABLE 702.1 ABOVE-GROUND DRAINAGE AND VENT PIPE
TABLE 702.2 UNDERGROUND BUILDING DRAINAGE AND VENT PIPE
TABLE 702.3 BUILDING SEWER PIPE
TABLE 702.4 PIPE FITTINGS
SECTION 703 BUILDING SEWER
SECTION 704 DRAINAGE PIPING INSTALLATION [Go to Page]
TABLE 704.1 SLOPE OF HORIZONTAL DRAINAGE PIPE
SECTION 705 JOINTS [Go to Page]
TABLE 705.18 CAULKING FERRULE SPECIFICATIONS
TABLE 705.19 SOLDERING BUSHING SPECIFICATIONS
SECTION 706 CONNECTIONS BETWEEN DRAINAGE PIPING AND FITTINGS [Go to Page]
TABLE 706.3 FITTINGS FOR CHANGE IN DIRECTION
SECTION 707 PROHIBITED JOINTS AND CONNECTIONS
SECTION 708 CLEANOUTS
SECTION 709 FIXTURE UNITS [Go to Page]
TABLE 709.2 DRAINAGE FIXTURE UNITS FOR FIXTURE DRAINS OR TRAPS
TABLE 709.1 DRAINAGE FIXTURE UNITS FOR FIXTURES AND GROUPS
SECTION 710 DRAINAGE SYSTEM SIZING [Go to Page]
TABLE 710.1(1) BUILDING DRAINS AND SEWERS
TABLE 710.1(2) HORIZONTAL FIXTURE BRANCHES AND STACKSa
SECTION 711 OFFSETS IN DRAINAGE PIPING IN BUILDINGS OF FIVE STORIES OR MORE
SECTION 712 SUMPS AND EJECTORS [Go to Page]
TABLE 712.4.2 MINIMUM CAPACITY OF SEWAGE PUMP OR SEWAGE EJECTOR
SECTION 713 COMPUTERIZED DRAINAGE DESIGN
SECTION 714 BACKWATER VALVES
SECTION 715 VACUUM DRAINAGE SYSTEMS
SECTION 716 REPLACEMENT OF UNDERGROUNDBUILDING SEWERS AND BUILDING DRAINS BY PIPE-BURSTING METHODS
SECTION 717 RELINING BUILDING SEWERS AND BUILDING DRAINS
SECTION 718 REHABILITATION OF BUILDING SEWERS AND BUILDING DRAINS
CHAPTER 8 INDIRECT/SPECIAL WASTE [Go to Page]
SECTION 801 GENERAL
SECTION 802 INDIRECT WASTES
SECTION 803 SPECIAL WASTES
CHAPTER 9 VENTS [Go to Page]
SECTION 901 GENERAL
SECTION 902 MATERIALS
SECTION 903 VENT TERMINALS
SECTION 904 OUTDOOR VENT EXTENSIONS
SECTION 905 VENT CONNECTIONS AND GRADES
SECTION 906 VENT PIPE SIZING [Go to Page]
TABLE 906.1 SIZE AND DEVELOPED LENGTH OF STACK VENTS AND VENT STACKS
TABLE 906.5.1 SIZE AND LENGTH OF SUMP VENTS
SECTION 907 VENTS FOR STACK OFFSETS
SECTION 908 RELIEF VENTS—STACKS OF MORE THAN 10 BRANCH INTERVALS
SECTION 909 FIXTURE VENTS [Go to Page]
TABLE 909.1 MAXIMUM DISTANCE OF FIXTURE TRAP FROM VENT
SECTION 910 INDIVIDUAL VENT
SECTION 911 COMMON VENT [Go to Page]
TABLE 911.3 COMMON VENT SIZES
SECTION 912 WET VENTING [Go to Page]
TABLE 912.3 WET VENT SIZE
SECTION 913 WASTE STACK VENT
SECTION 914 CIRCUIT VENTING
SECTION 915 COMBINATION WASTE AND VENT SYSTEM [Go to Page]
TABLE 915.2.2 SIZE OF COMBINATION WASTE AND VENT PIPE
SECTION 916 ISLAND FIXTURE VENTING
SECTION 917 SINGLE-STACK VENT SYSTEM [Go to Page]
TABLE 917.2 SINGLE STACK SIZE
SECTION 918 AIR ADMITTANCE VALVES
SECTION 919 ENGINEERED VENT SYSTEMS [Go to Page]
TABLE 919.2 MINIMUM DIAMETER AND MAXIMUM LENGTH OF INDIVIDUALBRANCH FIXTURE VENTS AND INDIVIDUAL FIXTURE HEADER VENTS FOR SMOOTH PIPES
EQUATION 9-1
SECTION 920 COMPUTERIZED VENT DESIGN
CHAPTER 10 TRAPS, INTERCEPTORS AND SEPARATORS [Go to Page]
SECTION 1001 GENERAL
SECTION 1002 TRAP REQUIREMENTS
SECTION 1003 INTERCEPTORS AND SEPARATORS [Go to Page]
TABLE 1003.3.5.1 CAPACITY OF GREASE INTERCEPTORSa
SECTION 1004 MATERIALS, JOINTS AND CONNECTIONS
CHAPTER 11 STORM DRAINAGE [Go to Page]
SECTION 1101 GENERAL
SECTION 1102 MATERIALS [Go to Page]
TABLE 1102.4 BUILDING STORM SEWER PIPE
TABLE 1102.5 SUBSOIL DRAIN PIPE
TABLE 1102.7 PIPE FITTINGS
SECTION 1103 TRAPS
SECTION 1104 CONDUCTORS AND CONNECTIONS
SECTION 1105 ROOF DRAINS
SECTION 1106 SIZE OF CONDUCTORS, LEADERS AND STORM DRAINS [Go to Page]
TABLE 1106.2(1) SIZE OF CIRCULAR VERTICAL CONDUCTORS AND LEADERS
TABLE 1106.2(2) SIZE OF RECTANGULAR VERTICAL CONDUCTORS AND LEADERS
FIGURE 1106.1(1) 100-YEAR, 1-HOUR RAINFALL (INCHES) WESTERN UNITED STATES
FIGURE 1106.1(2)100-YEAR, 1-HOUR RAINFALL (INCHES) CENTRAL UNITED STATES
FIGURE 1106.1(3)100-YEAR, 1-HOUR RAINFALL (INCHES) EASTERN UNITED STATES
FIGURE 1106.1(4)100-YEAR, 1-HOUR RAINFALL (INCHES) ALASKA
FIGURE 1106.1(5)100-YEAR, 1-HOUR RAINFALL (INCHES) HAWAII
TABLE 1106.3 SIZE OF HORIZONTAL STORM DRAINAGE PIPING
TABLE 1106.6 SIZE OF SEMICIRCULAR ROOF GUTTERS
SECTION 1107 SIPHONIC ROOF DRAINAGE SYSTEMS
SECTION 1108 SECONDARY (EMERGENCY) ROOF DRAINS
SECTION 1109 COMBINED SANITARY AND STORM PUBLIC SEWER
SECTION 1110 CONTROLLED FLOW ROOF DRAIN SYSTEMS
SECTION 1111 SUBSOIL DRAINS
SECTION 1112 BUILDING SUBDRAINS
SECTION 1113 SUMPS AND PUMPING SYSTEMS
SECTION 1114 VALUES FOR CONTINUOUS FLOW
CHAPTER 12 SPECIAL PIPING AND STORAGE SYSTEMS [Go to Page]
SECTION 1201 GENERAL
SECTION 1202 MEDICAL GASES
SECTION 1203 OXYGEN SYSTEMS
CHAPTER 13 NONPOTABLE WATER SYSTEMS [Go to Page]
SECTION 1301 GENERAL [Go to Page]
FIGURE 1301.4 PICTOGRAPH—DO NOT DRINK
SECTION 1302 GRAYWATER NONPOTABLE WATER SYSTEMS [Go to Page]
TABLE 1302.5.1 LOCATION OF NONPOTABLE GRAYWATER REUSE STORAGE TANKS
TABLE 1302.7.1 LOCATION OF NONPOTABLE WATER REUSE STORAGE TANKSDELETED
SECTION 1303 RAINWATER NONPOTABLE WATER SYSTEMS [Go to Page]
TABLE 1303.8.1 LOCATION OF RAINWATER STORAGE TANKS
TABLE 1303.10.1 LOCATION OF RAINWATER STORAGE TANKS DELETED
SECTION 1304 RECLAIMED WATER SYSTEMS
CHAPTER 14 SUBSURFACE GRAYWATER SOIL ABSORPTION SYSTEMS [Go to Page]
SECTION 1401 GENERAL
SECTION 1402 SYSTEM DESIGN AND SIZING [Go to Page]
EQUATION 14-1
SECTION 1403 INSTALLATION [Go to Page]
TABLE 1403.1.1 DESIGN LOADING RATE
TABLE 1402.3 LOCATION OF SUBSURFACE GRAYWATER SOIL ABSORPTION SYSTEM
TABLE 1403.2 DISTRIBUTION PIPE
CHAPTER 15 REFERENCED STANDARDS [Go to Page]
ANSI
ASHRAE
ASME
ASPE
ASSE
ASTM
AWS
AWWA
CISPI
CSA
IAPMO
ICC
ISEA
MSS
NFPA
NGWA
NSF
PDI
UL
APPENDIX A PLUMBING PERMIT FEE SCHEDULE [Go to Page]
TABLE A101 EXAMPLE OF PERMIT FEE SCHEDULE
PERMIT ISSUANCE
UNIT FEE SCHEDULE
OTHER INSPECTIONS AND FEES
APPENDIX B RATES OF RAINFALL FOR VARIOUS CITIES [Go to Page]
TABLE B101 RATES OF RAINFALL FOR VARIOUS CITIESa [Go to Page]
TABLE B101—continued RATES OF RAINFALL FOR VARIOUS CITIESa [Go to Page]
TABLE B101—continued RATES OF RAINFALL FOR VARIOUS CITIESa
TABLE B101—continued RATES OF RAINFALL FOR VARIOUS CITIESa
APPENDIX C STRUCTURAL SAFETY [Go to Page]
SECTION C101 CUTTING, NOTCHING AND BORING IN WOOD MEMBERS
APPENDIX D DEGREE DAY AND DESIGN TEMPERATURES [Go to Page]
TABLE D101 DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES [Go to Page]
TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
TABLE D101—continued DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES
APPENDIX E SIZING OF WATER PIPING SYSTEM [Go to Page]
SECTION E101 GENERAL
SECTION E102 INFORMATION REQUIRED
SECTION E103 SELECTION OF PIPE SIZE [Go to Page]
TABLE E103.3.1(1) SUMMATION OF DEVELOPED PIPE LENGTHS
TABLE E103.3.1(2) FITTING PRESSURE LOSSES EXPRESSED IN EQUIVALENT LENGTHS (formerly Table E1)
TABLE E103.3.1(3) TOTAL FRICTION LOSS EQUIVALENT PIPING LENGTH (formerly Table E2)
FIGURE E103.3(1) EXAMPLE—SIZING
TABLE E103.3(1) RECOMMENDED TABULAR ARRANGEMENT FOR USE IN SOLVING PIPE SIZING PROBLEMS
TABLE E103.3(2) LOAD VALUES ASSIGNED TO FIXTURESa
TABLE E103.3(3) TABLE FOR ESTIMATING DEMAND [Go to Page]
TABLE E103.3(3)—continued TABLE FOR ESTIMATING DEMAND
TABLE E103.3(4) LOSS OF PRESSURE THROUGH TAPS AND TEES IN POUNDS PER SQUARE INCH (psi)
TABLE E103.3(5) ALLOWANCE IN EQUIVALENT LENGTHS OF PIPE FOR FRICTION LOSS IN VALVES AND THREADED FITTINGS (feet)
TABLE E103.3(6) PRESSURE LOSS IN FITTINGS AND VALVES EXPRESSED AS EQUIVALENT LENGTH OF TUBEa (feet)
FIGURE E103.3(2) FRICTION LOSS IN SMOOTH PIPEa (TYPE K, ASTM B88 COPPER TUBING)
FIGURE E103.3(3) FRICTION LOSS IN SMOOTH PIPEa (TYPE L, ASTM B88 COPPER TUBING)
FIGURE E103.3(4) FRICTION LOSS IN SMOOTH PIPEa (TYPE M, ASTM B88 COPPER TUBING)
FIGURE E103.3(5) FRICTION LOSS IN FAIRLY SMOOTH PIPEa
FIGURE E103.3(6) FRICTION LOSS IN FAIRLY ROUGH PIPEa
FIGURE E103.3(7) FRICTION LOSS IN ROUGH PIPEa
SECTION E104 SELECTION OF PIPE SIZE [Go to Page]
TABLE E104.1 MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTION PIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES (w.s.f.u.) [Go to Page]
TABLE E104.1—continued MINIMUM SIZE OF WATER METERS, MAINS AND DISTRIBUTIONPIPING BASED ON WATER SUPPLY FIXTURE UNIT VALUES (w.s.f.u.)
TABLE E105.1 INTERNAL VOLUME OF VARIOUS WATER DISTRIBUTION TUBING
SECTION E105 DETERMINATION OF PIPE VOLUMES
[A] APPENDIX F BOARD OF APPEALS [Go to Page]
[A] SECTION F101 GENERAL
INDEX
ICC CHANGES TO THE CODE DEVELOPMENT PROCESS
ICC EVALUATION SERVICE®
ICC DIGITAL CODES PREMIUM
ICC ADDITIONAL CODE RESOURCES FROM ICC [Go to Page]

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