TABLE OF CONTENTS CHAPTER 1 ADMINISTRATION................1 101.0 Title, Scope, and General...........1 101.1 Title............................1 101.2 Purpose.........................1 101.3 Plans Required...................1 101.4 Scope...........................1 101.5 Application to Existing Plumbing System..................3 102.0 Organization and Enforcement.......3 102.1 Duties and Powers of the Building Official...................3 102.2 Violations and Penalties............5 103.0 Permits and Inspections............6 103.1 Permits..........................6 103.2 Application for Permit..............7 103.3 Permit Issuance...................8 103.4 Fees............................8 103.5 Inspections......................10 103.6 Connection Approval..............12 103.7 Validity.........................12 103.8 Appeals........................12 CHAPTER 2 DEFINITIONS...................15 201.0 General........................15 201.1 Applicability.....................15 202.0 Definition of Terms................15 202.1 General........................15 CHAPTER 3 GENERAL REGULATIONS........23 301.0 Materials - Standards and Alternates.......................23 301.1 Minimum Standards...............23 301.2 Alternate Materials and Methods of Construction Equivalency........23 301.3 Flood Hazard Resistance..........23 301.4 Alternative Engineered Design......23 302.0 Iron Pipe Size (IPS) Pipe...........24 303.0 Disposal of Liquid Waste...........24 304.0 Connections to Plumbing System Required.................24 305.0 Sewers Required.................24 306.0 Damage to Drainage System or Public Sewer..................24 307.0 Industrial Wastes.................24 307.1 Safe Discharge..................24 308.0 Location........................24 308.1 Ownership......................24 309.0 Improper Location................25 310.0 Workmanship....................25 310.1 Concealing Imperfections..........25 310.2 Burred Ends.....................25 310.3 Installation Practices..............25 311.0 Prohibited Fittings and Practices.....25 311.1 Drainage and Vent Piping..........25 311.2 Waste Connection................25 311.3 Use of Vent and Waste Pipes.......25 311.4 Obstruction of Flow...............25 311.5 Dissimilar Metals.................25 311.6 Direction of Flow.................25 311.7 Screwed Fittings.................25 312.0 Independent Systems.............25 313.0 Protection of Piping, Materials, and Structures...................25 313.1 Installation......................25 313.2 Building Sewer and Drainage Piping..........................25 313.3 Corrosion, Erosion, and Mechanical Damage..............25 313.4 Protectively Coated Pipe...........25 313.5 Freezing Protection...............25 313.6 Fire-Resistant Construction.........25 313.7 Waterproofing of Openings.........26 313.8 Steel Nail Plates.................26 313.9 Sleeves........................26 313.10 Structural Member................26 313.11 Rodentproofing..................26 314.0 Hangers and Supports.............26 314.1 Piping Support...................26 314.2 Underground Piping...............26 314.3 Strength........................26 314.4 Piping, Fixtures, Appliances, and Appurtenances...............26 314.5 Hanger Rod Sizes................26 Table 3-1 Hanger Rod Sizes................26 315.0 Trenching, Excavation and Backfill.....................26 315.1 Tunneling and Driving.............26 315.2 Open Trenches..................26 xi
315.3 Excavations.....................26 316.0 Joints and Connections............27 316.1 Types of Joints...................27 316.2 Special Joints...................27 316.3 Flanged Fixture Connections........28 316.4 Prohibited Joints and Connections....28 317.0 Increasers and Reducers..........28 318.0 Food-Handling Establishments......28 319.0 Test Gauges....................28 319.1 Pressure Tests (10 psi or less)......28 319.2 Pressure Tests (greater than 10 psi..28 to 100 psi) 319.3 Pressure Tests (exceeding 100 psi)..28 319.4 Pressure Range..................28 Table 3-2 Hangers and Supports.............29 CHAPTER 4 PLUMBING FIXTURES AND FIXTURE FITTINGS..............31 401.0 Materials - General Requirements............31 401.1 Quality of Fixtures................31 401.2 Lead...........................31 402.0 Water-Conserving Fixtures and Fittings..............31 402.1 Water Closets...................31 402.2 Urinals.........................31 402.3 Metered Faucets.................31 402.4 Emergency Safety Showers........31 402.6 Pre-Rinse Spray Valve............31 403.0 Overflows.......................31 404.0 Strainers and Connections.........31 404.1 Strainers.......................31 404.2 Connections.....................31 404.3 Continuous Wastes...............31 405.0 Prohibited Fixtures................31 405.1 Prohibited Urinals................31 405.2 Miscellaneous Fixtures............32 406.0 Special Fixtures and Specialties.....32 406.1 Water and Waste Connections......32 406.2 Special Use Sinks................32 406.3 Special Use Fixtures..............32 406.4 Zinc Alloy Components............32 407.0 Installation......................32 407.1 Cleaning........................32 407.2 Joints..........................32 407.3 Securing Fixtures.................32 407.4 Wall-Hung Fixtures...............32 407.5 Setting.........................32 407.6 Installations for Persons with Disabilities..................32 407.7 Supply Fittings...................32 408.0 Water Closets...................32 408.1 Water Closet Seats...............32 408.2 Securing Floor-Mounted, Back-Outlet Water Closet Bowls.....32 408.3 Closet Rings (Closet Flanges).......32 409.0 Urinals.........................33 410.0 Flushing Devices for Water Closets and Urinals...............33 410.1 Flushing Devices Required.........33 410.2 Automatic Flushing Tanks..........33 410.3 Flushometer Valves...............33 410.4 Water Supply for Flush Tanks.......33 410.5 Overflows in Flush Tanks..........33 411.0 Floor Drains and Shower Stalls......33 411.1 Location of Floor Drains...........33 411.2 Food Storage Areas...............33 411.3 Floor Slope.....................33 411.6 Shower Compartments............34 411.7 Lining for Shower and Receptors....34 411.8 Public Shower Floors..............35 411.9 Location of Valves and Heads.......35 411.10 Water Supply Riser...............35 412.0 Fixtures and Fixture Fittings for Persons with Disabilities...........35 412.1 Limitation of Hot Water Temperature for Public Lavatories....35 413.0 Dishwashing Machines............35 413.1 Application......................35 413.2 Backflow Protection...............35 413.3 Drainage Connection..............35 414.0 Bathtubs and Whirlpool Bathtubs....35 414.5 Limitation of Hot Water in Bathtubs and Whirlpool Bathtubs.....35 415.0 Installation of Fixture Fittings........35 416.0 Emergency Eyewash and Shower Equipment...............35 416.1 Application......................35 416.2 Water Supply....................35 416.3 Installation......................35 416.4 Location........................35 416.5 Drain..........................35 417.0 Bidets..........................35 417.1 Application......................35 417.2 Backflow Protection...............35 xii
417.3 Limitation of Water Temperature in Bidets.............36 418.0 Future Fixtures..................36 419.0 Shower and Tub-Shower Combination Control Valves........36 CHAPTER 5 WATER HEATERS Part I..........................37 501.0 General........................37 501.1 Applicability.....................37 502.0 Definitions......................37 502.1 Direct-Vent Water Heaters..........37 502.2 Hot Water Supply Boiler...........37 502.4 Indirect-Fired Water Heater.........37 502.5 Water Heater....................37 502.6 Instantaneous-Tankless Water Heater....................37 503.0 Permits.........................37 503.1 General........................37 504.0 Inspection......................37 504.1 Final Water Heater Inspection.......37 505.0 Water Heater Requirements........37 505.1 Location........................37 Table 5-1 First Hour Rating.................37 505.2 Vent...........................38 505.3 Clearance......................38 505.4 Pressure-Limiting Devices..........38 505.5 Temperature-Limiting Devices.......38 505.6 Temperature, Pressure, and Vacuum Relief Devices............38 506.0 Oil-Burning and Other Water Heaters..............38 506.1 Safety Devices...................38 506.2 Indirect-Fired Water Heaters........38 507.0 Other Water Heater Installation Requirements..........38 507.1 Seismic Provisions...............38 507.2 Ground Support..................39 507.3 Drainage Pan....................39 507.4 Flammable Vapors................39 507.5 Installation in Residential Garages........................39 507.6 Installation in Commercial Garages........................39 507.7 Installation in Aircraft Hangars.......39 507.8 Fuel Gas Water Heaters Physical Protection...............39 507.9 Combination of Appliances.........39 507.10 Installation Instructions............39 508.0 Access to Appliances on Roofs......39 508.1 Access.........................39 508.2 Access Type....................39 508.3 Permanent Lighting...............39 508.4 Appliances in Attics...............39 CHAPTER 6 WATER SUPPLY AND DISTRIBUTION..................41 601.0 Water Required..................41 601.1 Identification of a Potable and Nonpotable Water System......41 Table 6-1 Minimum Length of Color Field and Size of Letters......41 602.0 Unlawful Connections.............41 602.1 Cross-Contamination..............41 602.2 Backflow Prevention..............42 602.3 Approval by Authority..............42 603.0 Cross-Connection Control..........42 603.1 Approval of Devices or Assemblies...................42 603.2 Backflow Prevention Devices, Assemblies, and Methods..........42 603.3 General Requirements............42 Table 6-2 Table 6-3 Backflow Prevention Devices, Assemblies, and Methods..........43 Minimum Air Gaps for Water Distribution................45 603.4 Specific Requirements.............45 604.0 Materials.......................47 604.1 Pipe, Tube and Fittings.............47 604.2 Copper Tube....................47 604.3 Hard-Drawn Copper Tubing.........47 604.4 Flexible Copper Connectors........47 604.5 Cast-Iron Fittings.................47 604.6 Malleable Iron Fittings.............47 604.7 Previously Used Piping and Tubing.........................47 604.8 Plastic Materials.................47 Table 6-4 Materials for Building Supply and Water Distribution Piping and Fittings................48 604.9 Solder.........................48 604.10 Lead Content....................48 604.11 PEX...........................48 604.12 Flexible Corrugated Connectors.....48 604.13 PEX-AL-PEX and PE-AL-PE........49 604.14 Water Heater Connectors..........49 605.0 Valves.........................49 xiii
605.1 General........................49 605.2 Fullway Valve....................49 605.3 Multidwelling Units................49 605.4 Multiple Openings................49 605.5 Control Valve....................49 605.6 Accessible......................49 605.7 Multiple Fixtures.................49 606.0 Joints and Connections............49 606.1 Types of Joints...................49 606.2 Use of Joints....................49 607.0 Gravity Supply Tanks..............49 608.0 Water Pressure, Pressure Regulators, Pressure Relief Valves, and Vacuum Relief Valves....................50 608.1 Inadequate Water Pressure.........50 608.2 Excessive Water Pressure.........50 608.3 Expansion Tanks, Combination Pressure, and Temperature Relief....50 608.4 Pressure Relief Valves............50 608.5 Drains.........................50 608.6 Water-Heating Devices............51 608.7 Vacuum Relief Valves.............51 609.0 Installation, Testing, Unions, and Location....................51 609.1 Installation......................51 609.2 Trenches.......................51 609.3 Under Concrete Slab..............51 609.4 Testing.........................51 609.5 Unions.........................51 609.6 Location........................51 609.8 Low-Pressure Cutoff Required on Booster Pumps for Water Distribution Systems..............51 609.9 Disinfection of Potable Water System...................51 609.10 Water Hammer..................52 610.0 Size of Potable Water Piping........52 610.1 Pressure Loss...................52 610.2 Quantity of Water.................52 610.3 Parallel Distribution Systems........52 610.4 Sizing per Appendices A and L......52 610.5 Friction and Pressure Loss.........52 610.6 Conditions for Using Table 6-5......52 610.7 Size of Meter and Building Supply Pipe Using Table 6-6........52 610.8 Size of Branches.................53 610.9 Sizing for Flushometer Valves.......53 610.10 Sizing Systems for Flushometer Tanks...............53 610.11 Sizing for Velocity................53 610.12 Exceptions......................53 Table 6-5 Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes......................54 Table 6-6 Fixture Unit Table for Determining Water Pipe and Meter Sizes........55 Table 6-7 Flushometer Fixture Units for Water Sizing Using Table 6-5.....56 Table 6-8 Sizing of Residential Water Softeners..................56 611.0 Drinking Water Treatment Units.....56 611.1 Compliance with Standard..........56 611.2 Air Gap Discharge................56 611.3 Connection Tubing................56 611.4 Sizing of Residential Softeners......56 CHAPTER 7 SANITARY DRAINAGE............57 Part I Drainage Systems...............57 701.0 Materials.......................57 701.1 Drainage Piping..................57 701.2 Drainage Fittings.................57 701.3 Lead...........................57 701.4 Caulking Ferrules................57 701.5 Soldering Bushings...............57 Table 7-2(a) Caulking Ferrules................57 Table 7-2(b) Soldering Bushings...............57 702.0 Fixture Unit Equivalents............57 702.1 Trap Size.......................57 702.2 Intermittent Flow.................57 702.3 Continuous Flow.................57 Table 7-1 Materials for Drain, Waste, Vent Pipe and Fittings.............58 Table 7-3 Drainage Fixture Unit Values (DFU)..........................59 Table 7-4(a) Maximum Drainage Fixture Units for a Trap and Trap Arm.......60 Table 7-4(b) Discharge Capacity in Gallons per Minute for Intermittent Flow Only.......................60 703.0 Size of Drainage Piping............60 703.1 Minimum Size...................60 703.2 Maximum Number of Fixture Units...60 703.3 Sizing per Appendix L.............60 704.0 Fixture Connections (Drainage)......60 704.1 Inlet Fittings.....................60 704.2 Single Vertical Drainage Pipe.......60 xiv
704.3 Commercial Dishwashing Machines and Sinks..............60 705.0 Joints and Connections............60 705.1 Types of Joints...................60 Table 7-5 Maximum Unit Loading and Maximum Length of Drainage and Vent Piping........61 705.2 Use of Joints....................61 705.3 Special Joints...................61 706.0 Changes in Direction of Drainage Flow...................61 706.1 Approved Fittings.................61 706.2 Horizontal to Vertical..............61 706.3 Horizontal to Horizontal............62 706.4 Vertical to Horizontal..............62 707.0 Cleanouts.......................62 707.1 Plug...........................62 Table 7-6 Cleanouts.......................62 707.2 Approved.......................62 707.3 Gas and Watertight...............62 707.4 Location........................62 707.5 Cleaning........................62 707.6 Extension.......................62 707.7 Interceptor......................62 707.8 Access.........................62 707.9 Clearance......................62 707.10 Fittings.........................62 707.11 Pressure Drainage Systems........62 707.12 Countersunk Cleanout Plugs........62 707.13 Hubless Blind Plugs...............62 707.14 Trap Arms......................62 708.0 Grade of Horizontal Drainage Piping..................63 708.1 General........................63 709.0 Gravity Drainage Required.........63 709.1 General........................63 710.0 Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level........63 710.1 Backflow Protection...............63 710.2 Sewage Discharge...............63 710.3 Sewage Ejector and Pumps........63 710.4 Discharge Line...................63 710.5 Size of Buildings Drains and Sewers.........................63 710.6 Backwater Valves................63 710.7 Drainage and Venting Systems......63 710.8 Sump and Receiving Tank Construction.....................63 710.9 Alarm..........................63 710.10 Sump and Receiving Tank Covers and Vents.......................63 710.11 Air Tanks.......................64 710.12 Grinder Pump Ejector.............64 710.13 Macerating Toilet Systems..........64 710.14 Elevator Pit Drains................64 711.0 Suds Relief.....................64 711.1 General........................64 712.0 Testing.........................64 712.1 Media..........................64 712.2 Water Test......................64 712.3 Air Test.........................64 Part II Building Sewers.................65 713.0 Sewer Required..................65 713.1 Where Required.................65 713.2 Private Sewage Disposal System....65 713.3 Public Sewer....................65 713.4 Public Sewer Availability...........65 713.5 Permit.........................65 713.6 Lot............................65 714.0 Damage to Public Sewer or Private Sewage Disposal System..........65 714.1 Unlawful Practices................65 714.2 Prohibited Water Discharge.........65 714.3 Prohibited Sewer Connection.......65 714.4 Commercial Food Waste Grinder....65 714.5 Tanks..........................65 715.0 Building Sewer Materials...........65 715.1 Materials.......................65 715.2 Joining Methods.................65 715.3 Existing Sewers..................65 716.0 Markings.......................65 716.1 General........................65 717.0 Size of Building Sewers............65 717.1 General........................65 Table 7-8 Maximum/Minimum Fixture Unit Loading on Building Sewer Piping....................65 718.0 Grade, Support, and Protection of Building Sewers..................66 718.1 Slope..........................66 718.2 Support........................66 718.3 Protection from Damage...........66 719.0 Cleanouts.......................66 719.1 No Additional Cleanouts...........66 719.2 Building Sewer Cleanouts..........66 xv
719.3 Cleaning........................66 719.4 Access.........................66 719.5 Manholes.......................66 720.0 Sewer and Water Pipes............66 720.1 General........................66 721.0 Location........................66 721.1 Building Sewer...................66 721.2 Abutting Lot.....................66 Table 7-7 Minimum Horizontal Distance Required from Building Sewer.......67 722.0 Abandoned Sewers and Sewage Disposal Facilities................67 722.1 Building (House) Sewer............67 722.2 Cesspools, Septic Tanks, and Seepage Pits....................67 722.3 Filling..........................67 722.4 Ownership......................67 722.5 Disposal Facilities................67 723.0 Building Sewer Test...............67 723.1 General........................67 CHAPTER 8 INDIRECT WASTES..............69 801.0 Indirect Wastes..................69 801.1 Air Gap or Air Break Required.......69 801.2 Food and Beverage Handling Establishments..................69 801.3 Bar and Fountain Sink Traps........69 801.4 Connections from Water Distribution System...............69 801.5 Sterilizers.......................69 801.6 Drip or Drainage Outlets...........69 802.0 Approvals.......................69 803.0 Indirect Waste Piping..............69 803.1 General........................69 804.0 Indirect Waste Receptors..........69 804.1 Standpipe Receptors..............69 805.0 Pressure Drainage Connections.....70 805.1 General........................70 806.0 Sterile Equipment................70 806.1 General........................70 807.0 Appliances......................70 807.1 Non-Classed Apparatus............70 807.2 Condensate Waste...............70 807.3 Undiluted Condensate Waste.......70 807.4 Domestic Dishwashing Machine.....70 808.0 Cooling Water...................70 808.1 General........................70 809.0 Drinking Fountains................70 809.1 General........................70 810.0 Steam and Hot Water Drainage Condensers and Sumps............70 810.1 High Temperature Discharge........70 810.2 Sumps, Condensers, and Intercepting Tanks................71 810.3 Cleaning........................71 Table 8-1 Pipe Connections in Blowoff Condensers and Sumps...........71 810.4 Strainers.......................71 811.0 Chemical Wastes.................71 811.1 Pretreatment....................71 811.2 Waste and Vent Pipes.............71 811.3 Joining Materials.................71 811.4 Access.........................71 811.5 Permanent Record...............71 811.6 Chemical Vent...................71 811.7 Discharge.......................71 811.8 Diluted Chemicals................71 812.0 Clear Water Wastes...............71 812.1 General........................71 813.0 Swimming Pools.................71 813.1 General........................71 CHAPTER 9 VENTS.........................73 901.0 General........................73 901.1 Vents Required..................73 901.2 Trap Seal Protection..............73 902.0 Vents Not Required...............73 902.1 Interceptor......................73 902.2 Bars, Soda Fountains, and Counter..73 903.0 Materials.......................73 903.1 Applicable Standards..............73 903.2 Use of Copper Tubing.............73 903.3 Changes in Direction..............73 904.0 Size of Vents....................73 904.1 Size...........................73 904.2 Length.........................73 905.0 Vent Pipe Grades and Connections..73 905.1 Grade..........................73 905.2 Horizontal Drainage Pipe...........73 905.3 Vent Pipe Rise...................74 905.4 Roof Termination.................74 905.5 Location of Opening..............74 905.6 Common Vertical Pipe.............74 906.0 Vent Termination.................74 906.1 Roof Termination.................74 906.2 Clearance......................74 xvi
906.3 Use of Roof.....................74 906.4 Outdoor Installations..............74 906.5 Joints..........................74 906.6 Lead...........................74 906.7 Frost or Snow Closure.............74 907.0 Vent Stacks and Relief Vents.......74 907.1 Drainage Stack..................74 907.2 Yoke Vent.......................74 908.0 Wet Venting.....................74 908.1 Vertical Wet Venting..............74 908.2 Horizontal Wet Venting for Bathroom Groups................74 909.0 Special Venting for Island Fixtures.....75 909.1 General........................75 910.0 Combination Waste and Vent Systems....................75 910.1 Where Permitted.................75 910.2 Approval........................75 910.3 Vents..........................75 910.4 Size...........................75 910.5 Vertical Waste Pipe...............75 910.6 Cleanouts.......................75 910.7 Fixtures........................75 911.0 Engineered Vent System...........75 911.1 General........................75 911.2 Minimum Requirements............75 CHAPTER 10 TRAPS AND INTERCEPTORS......77 1001.0 Traps Required..................77 1001.1 Where Required.................77 1002.0 Traps Protected by Vent Pipes......77 1002.1 Vent Pipes......................77 1002.2 Fixture Traps....................77 1002.3 Change of Direction...............77 1002.4 Vent Pipe Opening................77 1003.0 Traps - Described................77 1003.1 General Requirements............77 Table 10-1 Horizontal Lengths of Trap Arms......77 1003.2 Slip Joints Fittings................78 1003.3 Size...........................78 1004.0 Traps..........................78 1004.1 Prohibited.......................78 1004.2 Moveable Parts..................78 1005.0 Trap Seals......................78 1005.1 General........................78 1006.0 Floor Drain Traps.................78 1006.1 General........................78 1007.0 Trap Seal Protection..............78 1007.1 General........................78 Table 10-1.1 Floor Drains.....................78 1008.0 Building Traps...................79 1008.1 General........................79 1009.0 Industrial Interceptors (Clarifiers) and Separators..................79 1009.1 Where Required.................79 1009.2 Approval........................79 1009.3 Design.........................79 1009.4 Relief Vent......................79 1009.5 Location........................79 1009.6 Maintenance of Interceptors........79 1009.7 Discharge.......................79 1010.0 Slaughterhouses, Packing Establishments, etc...............79 1010.1 General........................79 1011.0 Minimum Requirements for Auto Wash Racks..............79 1011.1 General........................79 1012.0 Commercial and Industrial Laundries...............79 1012.1 General........................79 1013.0 Bottling Establishments............79 1013.1 General........................79 1014.0 Grease Interceptors...............79 1014.1 Where Required.................79 1014.2 Trapped and Vented..............80 1014.3 Hydromechanical Grease Interceptors.....................80 Table 10-2 Table Hydromechanical Grease Interceptor (HGI).................80 1014.4 Gravity Grease Interceptors........80 Table 10-3 Gravity Grease Interceptor Sizing....81 1015.0 FOG (Fats, Oils, and Greases) Disposal System.................81 1015.1 Purpose........................81 1015.2 Components, Materials, and Equipment......................81 1015.3 Sizing Application and Installation..................81 1015.4 Performance....................81 1016.0 Sand Interceptors................81 1016.1 Discharge.......................81 1016.2 Authority Having Jurisdiction........81 1016.3 Construction and Size.............81 1016.4 Separate Use....................81 1017.0 Oil and Flammable Liquid Interceptors.....................82 1017.1 Interceptors Required.............82 1017.2 Design of Interceptors.............82 xvii
CHAPTER 11 STORM DRAINAGE..............83 1101.0 General........................83 1101.1 Where Required.................83 1101.2 Storm Water Drainage to Sanitary Sewer Prohibited..........83 1101.3 Material Uses....................83 1101.4 Expansion Joints Required.........83 1101.5 Storm and Groundwater Drainage.......................83 1101.6 Building Subdrains................85 1101.7 Areaway Drains..................85 1101.8 Window Areaway Drains...........85 1101.9 Filling Stations and Motor Vehicle Washing Establishments.....85 1101.10 Catch Basin Specifications.........85 1101.11 Roof Drainage...................85 1101.12 Cleanouts.......................86 1101.13 Rainwater Sumps................86 1102.0 Materials.......................86 1102.1 Conductors.....................86 1102.2 Underground Building Storm Drains....................86 1102.3 Building Storm Sewers............86 1103.0 Traps on Storm Drains and Leaders.....................86 1103.1 Where Required.................86 1103.2 Where Not Required..............86 1103.3 Trap Size.......................86 1103.4 Method of Installation of Combined Sewer.................86 1104.0 Combining Storm with Sanitary Drainage................86 1104.1 Improper Use....................86 1105.0 Roof Drains.....................86 1105.1 Material........................86 1105.2 Dome or Strainer for General Use....86 1105.3 Strainers for Flat Decks............86 1105.4 Roof Drain Flashings..............87 1106.0 Size of Leaders, Conductors, and Storm Drains.................87 1106.1 Vertical Conductors and Leaders....87 1106.2 Size of Horizontal Storm Drains and Sewers...............87 1106.3 Size of Roof Gutters..............87 1106.4 Side Walls Draining onto a Roof.....87 1107.0 Values for Continuous Flow.........87 1107.1 General........................87 Table 11-3 Controlled-Flow Maximum Roof Water Depth................87 1108.0 Controlled-Flow Roof Drainage......87 1108.1 Application......................87 1108.2 Setback Roofs...................88 Table 11-4 Distance of Scupper Bottoms Above Roof.....................88 1109.0 Testing.........................88 1109.1 Testing Required.................88 1109.2 Methods of Testing Storm Drainage Systems................88 1110.0 Abandoned Storm Sewers..........88 Table 11-1 Sizing Roof Drains, and Vertical Rainwater Piping...........89 Table 11-2 Sizing of Horizontal Rainwater Piping.................90 CHAPTER 12 DELETED......................91 CHAPTER 13 HEALTH CARE FACILITIES AND MEDICAL GAS AND VACUUM SYSTEMS......................93 Part I Special Requirements for Health Care Facilities..................93 1301.0 Application......................93 1301.1 Where Required.................93 1301.2 Health Care Facilities.............93 1301.3 Breathing Air Replenishment (BAR) System...................93 1302.0 Medical Gas and Vacuum Piping Systems - Installation Requirements..93 1302.1 General........................93 1302.2 Manufacturer s Instructions.........93 1303.0 Protrusions from Walls............93 1303.1 Drinking Fountain Control Valves....93 1303.2 Exposed Piping..................93 1304.0 Psychiatric Patient Rooms..........93 1304.1 General........................93 1305.0 Locations for Ice Storage..........93 1305.1 General........................93 1306.0 Sterilizers.......................93 1306.1 General........................93 1306.2 Indirect Waste Connections.........93 1307.0 Vapor Vents and Stacks for Sterilizers....................93 1307.1 General........................93 1308.0 Aspirators.......................93 1308.1 General........................93 Part II Medical Gas and Vacuum Systems.......................94 1309.0 Application......................94 1309.1 General........................94 xviii
1309.2 Purpose........................94 1309.3 Terms..........................94 1309.4 Portable Compressed Gas Systems..94 1309.5 Where Not Applicable.............94 1309.6 Requirements...................94 1309.7 Existing Systems.................94 1310.0 Definitions......................94 1310.1 Building Supply..................94 1310.2 Critical Care Room...............94 1310.3 General Care Room..............94 1310.4 Manifold........................94 1310.5 Medical Air......................94 1310.6 Medical Gas.....................94 1310.7 Medical Gas System..............94 1310.8 Medical Vacuum System...........94 1310.9 Nitrogen, NF (Oil-Free, Dry) (Nitrogen for Brazing and Testing)....94 1310.10 Patient Care Room...............94 1310.11 Purge, Flow.....................94 1310.12 Purge, System...................94 1310.13 SCFM..........................94 1310.14 Special Hazard Area..............94 1310.15 Station Inlet.....................94 1310.16 Station Outlet....................94 1310.17 Use Point.......................94 1310.18 User Outlet.....................95 1310.19 Vacuum System - Category 1.......95 1310.20 Valve, Isolation..................95 1310.21 Valve, Riser.....................95 1310.22 Valve, Service...................95 1310.23 Valve, Source...................95 1310.24 Valve, Zone.....................95 1310.25 Waste Anesthetic Gas Disposal.....95 1310.26 Piped Vacuum System - Category 3..95 1310.27 Compressed Air System - Category 3........................95 1310.28 Category 1.......................95 1310.29 Category 2......................95 1310.30 Category 3.......................95 1310.31 Category 4......................95 1311.0 General Requirements............95 1311.1 Oxygen Compatibility..............95 1311.2 Supply Source...................95 1312.0 Plan Review.....................95 1312.1 Plans and Specifications...........95 1312.2 Requirements...................96 1312.3 Extent of Work...................96 1312.4 Record.........................96 1313.0 System Performance..............96 1313.1 Required Operating Pressures......96 1313.2 Minimum Flow Rates..............96 1313.3 Minimum Station Outlets/Inlets......96 1314.0 Required Pipe Sizing..............96 1314.1 Maximum Demand...............96 1314.2 Sizing Procedures................96 Table 13-1 Standard Designation Colors and Operating Pressures for Gas and Vacuum Systems.................96 Table 13-2 Minimum Flow Rates..............97 Table 13-3 Minimum Outlets/Inlets per Station.........................97 Table 13-4 System Sizing - Flow Requirements for Station Inlet/Outlet.............97 Table 13-5 Outlet Rating for Vacuum Piping Systems..................98 1314.3 Engineering Methods..............98 1315.0 Workmanship....................98 1315.1 Accepted Engineering Practices.....98 1315.2 Imperfections....................98 1315.3 Burred Ends.....................98 1316.0 Materials.......................98 1316.1 General........................98 1316.2 Cleaning........................98 1316.3 Delivery........................98 1316.4 Tubes..........................98 Table 13-6 Size of Gas/Vacuum Piping..........99 1316.5 Changes in Direction...............99 1316.6 Special Fittings.....................99 1316.7 Prohibited Joints...................99 1316.8 Shutoff Valves....................100 1316.9 Soldered Joints...................100 1317.0 Cleaning for Medical Gas Piping Systems.............100 1317.1 Cleaning.......................100 1318.0 Installation of Piping.............100 1318.1 Pipe Protection.................100 1318.2 Location.......................100 1318.3 Frost Penetration................100 1318.4 Underground Piping..............100 1318.5 Connectors....................101 1318.6 Positive-Pressure Medical Gas Piping Distribution Systems........101 1318.7 Support.......................101 1318.8 Seismic Provisions..............101 xix
1319.0 Joints.........................101 1319.1 General.......................101 1319.2 Brazed Joints...................101 1319.3 Tube Ends.....................101 1319.4 Cleaning Procedures.............101 Table 13-7 Maximum Pipe Support Spacing....102 1319.5 Flux..........................102 1319.6 Heat and Brazing................102 1319.7 Purge Gas.....................102 1319.8 Prohibited Joints................103 1320.0 Valves - Requirements, Locations, and Labeling..........103 1320.1 General Requirements...........103 1320.2 In-Line Shutoff Valves............103 1320.3 Future Piping...................103 1320.4 Source Valve...................103 1320.5 Main Valves....................104 1320.6 Riser Valves....................104 1320.7 Zone Valves....................104 1320.8 Service Valves..................104 1321.0 Pressure-Regulating Equipment....104 1321.1 Where Required................104 1321.2 Pressure-Relief Valves...........104 1321.3 Pressure Gauges................104 1322.0 Station Outlets/Inlets.............104 1322.1 General.......................104 1322.2 Post Installation.................104 1323.0 Labeling and Identification.........104 1323.1 General.......................104 1323.2 Post Labeling...................104 1323.3 Shutoff Valve Identification........105 1323.4 Station Outlet/Inlet Identification....105 1323.5 Shutoff Valve Labeling............105 1324.0 Alarms........................105 1324.1 General.......................105 1324.2 Components...................105 1325.0 Medical Air System..............105 1325.1 General.......................105 1325.2 Medical Air Compressors..........106 1325.3 Air Source.....................106 1325.4 Air Intakes.....................106 1325.5 Drains........................106 1325.6 Medical Air Receivers............106 1325.7 Requirements for Medical Air Receivers...................106 1326.0 Medical Vacuum Pump System.....107 1326.1 General.......................107 1326.2 Medical-Surgical Vacuum Sources..107 1326.3 Exhausts......................107 1326.4 Receivers......................107 1326.5 Piping.........................107 1326.6 Drains........................107 1327.0 Testing and Inspection............107 1327.1 Where........................107 1327.2 Systems.......................107 1327.3 Advance Notice.................108 1327.4 Responsibility...................108 1327.5 Testing........................108 1327.6 Retesting......................108 1327.7 Initial Pressure Test - Piped Gas Systems..............108 1327.8 Cross-Connection Test - Piped Gas Systems..............108 1327.9 Standing Pressure Test - Piped Gas Systems..............108 1327.10 Initial Pressure Test - Piped Vacuum Systems...........108 1327.11 Standing Pressure Test - Piped Vacuum Systems...........109 1327.12 Corrections....................109 1327.13 Approval.......................109 1327.14 Covering or Use.................109 1327.15 Uncovering....................109 Part III Category 2 Medical Gas and Vacuum Systems...............109 1328.0 Category 2 Medical Gas and Vacuum Systems................109 Part IV Catagory 3 Piped Gas and Vacuum Systems...............109 1329.0 Category 3 Piped Gas and Vacuum Systems................109 CHAPTER 14 REFERENCED STANDARDS......111 CHAPTER 15 FIRESTOP PROTECTION........127 1501.0 General Requirements...........127 1501.1 Applicability....................127 1502.0 Plans and Specifications..........127 1502.1 Penetrations....................127 1503.0 Installation.....................127 1503.1 Materials......................127 1504.0 Definitions.....................127 1504.1 Penetration Firestop System.......127 1504.2 F Rating.......................127 1504.3 T Rating.......................127 1505.0 Combustible Piping Installations....127 1505.1 General Requirements...........127 1505.2 Fire-Resistance Rating...........127 xx
1505.3 Firestop Systems................127 1505.4 Connections....................127 1505.5 Insulation and Coverings..........127 1505.6 Sleeves.......................127 1506.0 Non-Combustible Piping Installation...............127 1506.1 General Requirements...........127 1506.2 Fire-Resistance Rating...........127 1506.3 Firestop Systems................128 1506.4 Connections....................128 1506.5 Unshielded Couplings............128 1506.6 Sleeves.......................128 1506.7 Insulation and Coverings..........128 1507.0 Required Inspection..............128 1507.1 General.......................128 1507.2 Examination...................128 1507.3 Penetrations....................128 1507.4 Field Installations................128 Appendix L Alternate Plumbing Systems.......................271 Appendix M Rainwater Harvesting System......279 USEFUL TABLES.............................283 INDEX..............................291 CHAPTER 16 NONPOTABLE WATER REUSE SYSTEMS.....................129 Part I NOT ADOPTED................129 Part II..............................129 1613.0 Reclaimed Water Systems General.......................129 1614.0 Definitions.....................129 1615.0 Permit........................129 1616.0 Drawings and Specifications.......129 1617.0 Pipe Material/Pipe Identification.....129 1617.1 Pipe Materials..................129 1617.2 Color and Information............129 1618.0 Installation.....................129 1619.0 Signs.........................130 1620.0 Inspection and Testing............130 1621.0 Sizing.........................131 APPENDICES TABLE OF CONTENTS..........133 Appendix A Recommended Rules for Sizing the Water Supply System.........135 Appendix B DELETED.....................145 Appendix D Appendix E Sizing Storm Water Drainage Systems...............147 Manufactured/Mobile Home Parks and Recreational Vehicle Parks....155 Appendix F NOT ADOPTED.................161 Appendix I Installation Standards............163 Appendix K NOT ADOPTED.................269 xxi
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