California Building Standards Code
California Plumbing Code (Title 24, Part 5)
Part 5 of Title 24 — Plumbing, drainage, venting and water-supply requirements.
- Edition
- 2022
- Effective
- 2023-01-01
- Last updated
- 2026-09-10
- Contents
- 31 chapters · 1115 sections
- Jurisdiction
- California
Contents
▸Chapter 1 — GENERAL CODE PROVISIONS
Overview- 1504.5 Irrigation, Disposal Field
- 1504.6 Reserved . . . . . . . . . . . . . . . . . . .312
- 1504.7 Reserved . . . . . . . . . . . . . . . . . . .312
- 101.1 Title. This document shall be known as the “Uniform
- 101.2 Scope. The provisions of this code shall apply to the
- 101.3 Purpose. This code is an ordinance providing minimum requirements and standards for the …
- 101.4 Unconstitutional. Where a section, subsection, sentence, clause, or phrase of this code …
- 101.5 Validity. Where a provision of this code, or the application thereof to a person or circ…
- 102.1 Conflicts Between Codes. Where the requirements
- 102.2 Existing Installations. Plumbing systems lawfully
- 102.3 Maintenance. The plumbing and drainage system,
- 102.4 Additions, Alterations, Renovations, or Repairs.
- 102.5 Health and Safety. Where compliance with the provisions of this code fails to eliminate …
- 102.6 Changes in Building Occupancy. Plumbing systems that are a part of a building or structu…
- 102.7 Moved Structures. Parts of the plumbing system of
- 102.8 Appendices. The provisions in the appendices are
- 103.1 General. The Authority Having Jurisdiction shall be
- 103.2 Liability. The Authority Having Jurisdiction charged
- 103.3 Applications and Permits. The Authority Having
- 103.4 Right of Entry. Where it is necessary to make an
- 104.1 Permits Required. It shall be unlawful for a person,
- 104.2 Exempt Work. A permit shall not be required for the
- 104.3 Application for Permit. To obtain a permit, the
- 104.4 Permit Issuance. The application, construction documents, and other data filed by an app…
- 104.5 Fees. Fees shall be assessed in accordance with the
- 105.1 General. Plumbing systems for which a permit is
- 105.2 Required Inspections. New plumbing work and
- 105.3 Testing of Systems. Plumbing systems shall be
- 105.4 Connection to Service Utilities. No person shall
- 106.1 General. It shall be unlawful for a person, firm, or
- 106.2 Notices of Correction or Violation. Notices of
- 106.3 Penalties. A person, firm, or corporation violating a
- 106.4 Stop Orders. Where work is being done contrary to
- 106.5 Authority to Disconnect Utilities in Emergen-
- 106.6 Authority to Condemn. Where the Authority Having Jurisdiction ascertains that a plumbing…
- 107.1 General. In order to hear and decide appeals of orders,
- 107.2 Limitations of Authority. The Board of Appeals
▸Chapter 2 — DEFINITIONS
Overview- 201.1 Applicability. For the purpose of this code, the following terms have the meanings indic…
- 202.1 General. The definitions of terms are arranged alphabetically according to the first wor…
- 203.0 – A –
- 204.0 – B –
- 205.0 – C –
- 206.0 – D –
- 207.0 – E –
- 208.0 – F –
- 209.0 – G –
- 210.0 – H –
- 211.0 – I –
- 212.0 – J –
- 214.0 – L –
- 215.0 – M –
- 216.0 – N –
- 217.0 – O –
- 218.0 – P –
- 220.0 – R –
- 221.0 – S –
- 222.0 – T –
- 224.0 – V –
- 225.0 – W –
▸Chapter 3 — GENERAL REGULATIONS
Overview- 301.1 Applicability. This chapter shall govern the general
- 301.2 Minimum Standards. Pipe, pipe fittings, traps, fixtures, material, and devices used in a…
- 301.3 Alternate Materials and Methods of Construc-
- 301.4 Flood Hazard Areas. Plumbing systems shall be
- 301.5 Alternative Engineered Design. An alternative
- 301.6 One- and Two-Family Dwellings. [HCD 1] The
- 301.7 OSHPD 1R [OSHPD 1R]. For OSHPD 1R, refer to
- 302.1 General. Iron, steel, copper, and copper alloy pipe
- 303.1 General. It shall be unlawful for a person to cause,
- 304.1 General. Plumbing fixtures, drains, appurtenances,
- 305.1 Unlawful Practices. It shall be unlawful for a person to deposit, by any means whatsoeve…
- 306.1 Detrimental Wastes. Wastes detrimental to the public sewer system or detrimental to the …
- 306.2 Safe Discharge. Sewage or other waste from a
- 307.1 System. Except as otherwise provided in this code,
- 307.2 Ownership. No subdivision, sale, or transfer of ownership of existing property shall be …
- 308.1 General. Piping, fixtures, or equipment shall not be
- 309.1 Engineering Practices. Design, construction, and
- 309.2 Concealing Imperfections. It is unlawful to conceal cracks, holes, or other imperfection…
- 309.3 Burred Ends. Burred ends of pipe and tubing shall
- 309.4 Installation Practices. Plumbing systems shall be
- 309.5 Sound Transmission. Plumbing piping systems
- 309.6 Dead Legs. Dead legs shall have a method of flushing.
- 310.1 Fittings. No double hub fitting, single or double tee
- 310.2 Drainage and Vent Piping. No drainage or vent
- 310.3 Waste Connection. No waste connection shall be
- 310.4 Use of Vent and Waste Pipes. Except as hereinafter provided in Section 908.0 through Sec…
- 310.5 Obstruction of Flow. No fitting, fixture and piping
- 310.6 Dissimilar Metals. Except for necessary valves,
- 310.7 Direction of Flow. Valves, pipes, and fittings shall
- 310.8 Screwed Fittings. Screwed fittings shall be ABS,
- 310.9 [OSHPD 1, 2, 3, 4 & 5] Drainage piping over oper-
- 310.10 [OSHPD 1, 3, 4 & 5] Floor drains, waste traps, san-
- 310.11 [SFM] For applications listed in Section 1.11.0 regu-
- 310.12 [OSHPD 1, 2, 4 & 5] Services/Systems and Util-
- 310.13 Telephone and Data Equipment Rooms
- 311.1 General. The drainage system of each new building
- 312.1 General. Piping passing under or through walls shall
- 312.2 Installation. Piping in connection with a plumbing
- 312.3 Building Sewer and Drainage Piping. No building sewer or other drainage piping or part t…
- 312.4 Corrosion, Erosion, and Mechanical Damage.
- 312.5 Protectively Coated Pipe. Protectively coated pipe
- 312.6 Freezing Protection. No water, soil, or waste pipe
- 312.7 Fire-Resistant Construction. Piping penetrations
- 312.8 Waterproofing of Openings. Joints at the roof
- 312.9 Steel Nail Plates. Plastic and copper or copper alloy
- 312.10 Sleeves. Sleeves shall be provided to protect piping through concrete and masonry walls…
- 312.11 Structural Members. A structural member weakened or impaired by cutting, notching, or o…
- 312.12 Rodentproofing. Strainer plates on drain inlets
- 313.1 General. Piping, fixtures, appliances, and appurtenances shall be supported in accordanc…
- 313.2 Material. Hangers and anchors shall be of sufficient
- 313.3 Suspended Piping. Suspended piping shall be supported at intervals not to exceed those s…
- 313.4 Alignment. Piping shall be supported in such a manner as to maintain its alignment and p…
- 313.5 Underground Installation. Piping in the ground
- 313.6 Hanger Rod Sizes. Hanger rod sizes shall be not
- 313.7 Gas Piping. Gas piping shall be supported by metal
- 313.8 [OSHPD 1, 2, 3, 4 & 5] Refer to Title 24, Part 2 of the
- 314.1 Trenches. Trenches deeper than the footing of a
- 314.2 Tunneling and Driving. Tunneling and driving shall
- 314.3 Open Trenches. Excavations required to be made
- 314.4 Excavations. Excavations shall be completely backfilled as soon after inspection as prac…
- 315.1 Unions. Approved unions shall be permitted to be
- 315.2 Prohibited Joints and Connections. A fitting or
- 316.1 General. Where different sizes of pipes and fittings
- 317.1 General. Food or drink shall not be stored, prepared,
- 318.1 General. Tests in accordance with this code, which
- 318.2 Pressure Tests (10 psi or less). Required pressure tests of 10 pounds-force per square i…
- 318.3 Pressure Tests (greater than 10 psi to 100 psi).
- 318.4 Pressure Tests (exceeding 100 psi). Required
- 318.5 Pressure Range. Test gauges shall have a pressure
- 319.1 General. Such piping shall be in accordance with the
- 320.1 General. Where pressure piping systems are rehabilitated using an epoxy lining system, i…
▸Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
Overview- 401.1 Applicability. This chapter shall govern the materials
- 401.2 Quality of Fixtures. Plumbing fixtures shall be constructed of dense, durable, non-absor…
- 401.3 Water-Conserving Fixtures and Fittings.
- 402.1 Cleaning. Plumbing fixtures shall be installed in a
- 402.2 Joints. Where a fixture comes in contact with the wall
- 402.3 Securing Fixtures. Floor-outlet or floor-mounted
- 402.4 Wall-Hung Fixtures. Wall-hung fixtures shall be
- 402.5 Setting. Fixtures shall be set level and in proper alignment with reference to adjacent …
- 402.6 Flanged Fixture Connections. Fixture connections between drainage pipes and water closet…
- 402.7 Supply Fittings. The supply lines and fittings for
- 402.8 Installation. Fixtures shall be installed in accordance
- 402.9 Design and Installation of Plumbing Fixtures.
- 402.10 Slip Joint Connections. Fixtures having concealed slip joint connections shall be provi…
- 402.11 Future Fixtures. Where provisions are made for the
- 403.1 General. Where accessible facilities are required in
- 403.2 Fixtures and Fixture Fittings for Persons with
- 403.3 Exposed Pipes and Surfaces. Water supply and
- 404.1 Waste Fittings. Waste fittings shall comply with
- 404.2 Overflows. Where a fixture is provided with an overflow, the waste shall be so arranged …
- 405.1 Prohibited Water Closets. Water closets having an
- 405.2 Prohibited Urinals. Trough urinals and urinals with
- 405.3 Miscellaneous Fixtures. Fixed wooden, or tile
- 406.1 Water and Waste Connections. Baptisteries, ornamental and lily ponds, aquaria, ornamenta…
- 406.2 Special Use Sinks. Restaurant kitchen and other
- 406.3 Special Use Fixtures. Special use fixtures shall be
- 406.4 Zinc Alloy Components. Zinc alloy components
- 407.1 Application. Lavatories shall comply with ASME
- 407.2 Water Consumption. The maximum water flow rate
- 407.3 Limitation of Hot Water Temperature for Public
- 407.4 Transient Public Lavatories. Self-closing or metering faucets shall be installed on lava…
- 407.5 Waste Outlet. Lavatories shall have a waste outlet
- 407.6 Overflow. Where overflows are provided, they shall
- 408.1 Application. Manufactured shower receptors and
- 408.2 Water Consumption. Showerheads shall have a
- 408.3 Individual Shower and Tub-Shower Combina-
- 408.4 Waste Outlet. Showers shall have a waste outlet and
- 408.5 Finished Curb or Threshold. Where a shower
- 408.6 Shower Compartments. Shower compartments,
- 408.7 Lining for Showers and Receptors. Shower
- 408.8 Public Shower Floors. Floors of public shower
- 408.9 Location of Valves and Heads. Control valves and
- 408.10 Water Supply Riser. A water supply riser from the
- 409.1 Application. Bathtubs shall comply with ASME
- 409.2 Waste Outlet. Bathtubs and whirlpool bathtubs shall
- 409.3 Overflow. Where overflows are provided, they shall
- 409.4 Limitation of Hot Water Temperature in Bath-
- 409.5 Backflow Protection. The water supply to a bathtub
- 409.6 Installation and Access. Bathtubs and whirlpool
- 410.1 Application. Bidets shall comply with ASME
- 410.2 Backflow Protection. The water supply to the bidet
- 410.3 Limitation of Water Temperature in Bidets. The
- 411.1 Application. Water closets shall comply with ASME
- 411.2 Water Consumption. The effective flush volume of
- 411.3 Water Closet Seats. Water closet seats shall be properly sized for the water closet bowl…
- 411.4 Personal Hygiene Devices. Water closets with
- 412.1 Application. Urinals shall comply with ASME
- 412.2 Backflow Protection. A water supply to a urinal
- 413.1 Where Required. Each water closet, urinal, clinical
- 413.2 Flushometer Valves. Flushometer valves and
- 413.3 Flush Tanks. Flush tanks for manual flushing shall
- 413.4 Water Supply for Flush Tanks. An adequate quantity of water shall be provided to flush a…
- 413.5 Overflows in Flush Tanks. Flush tanks shall be provided with overflows discharging into …
- 414.1 Application. Domestic dishwashing machines shall
- 414.2 Backflow Protection. The water supply connection
- 414.3 Drainage Connection. Domestic dishwashing
- 415.1 Application. Drinking fountains shall be self-closing
- 415.2 Drinking Fountain Alternatives. Where food is
- 415.3 Drainage Connection. Drinking fountains shall be
- 415.4 Location. Drinking fountains shall not be installed in
- 416.1 Application. Emergency eyewash and shower equipment shall comply with ISEA Z358.1.
- 416.2 Water Supply. Emergency eyewash and shower
- 416.3 Installation. Emergency eyewash and shower equipment shall be installed in accordance wi…
- 416.4 Location. Emergency eyewash and shower equipment shall be located on the same level as t…
- 416.5 Drain. A drain shall not be required for emergency
- 417.1 Application. Faucets and fixture fittings shall comply
- 417.2 Deck Mounted Bath/Shower Valves. Deck
- 417.3 Handheld Showers. Handheld showers shall comply
- 417.4 Faucets and Fixture Fittings with Hose Con-
- 417.5 Separate Controls for Hot and Cold Water.
- 417.6 Low-Pressure Water Dispenser. Beverage faucets
- 418.1 Application. Floor drains shall comply with ASME
- 418.2 Strainer. Floor drains shall be considered plumbing
- 418.3 Location of Floor Drains. Floor drains shall be
- 418.4 Food Storage Areas. Where drains are provided in
- 418.5 Floor Slope. Floors shall be sloped to floor drains.
- 419.1 Application. Food waste disposal units shall comply
- 419.2 Drainage Connection. Approved wye or other
- 419.3 Water Supply. A cold water supply shall be provided
- 420.1 Application. Sinks shall comply with ASME
- 420.2 Water Consumption. Sink faucets shall have a maximum flow rate of not more than 2.2 gpm …
- 420.3 Pre-Rinse Spray Valve. Commercial food service
- 420.4 Waste Outlet. Kitchen and laundry sinks shall have
- 421.1 Application. Floor sinks shall comply with ASME
- 421.2 Strainers. The waste outlet of a floor sink shall be
- 422.1 Fixture Count. Plumbing fixtures shall be provided
- 422.2 Separate Facilities. Separate toilet facilities shall
- 422.3 Fixture Requirements for Special Occupan-
- 422.4 Toilet Facilities Serving Employees and Cus-
- 422.5 Toilet Facilities for Workers. Toilet facilities shall
- 422.6 [CA] Cosmetology. Each school shall provide pub-
- 422.7 [CA] Cosmetology Establishments. Each estab-
- 422.8 [DPH] Commissaries Serving Mobile Food
- 422.9 [DPH] Employee Lavatories in Food Establish-
▸Chapter 5 — WATER HEATERS
Overview- 501.1 Applicability. The regulations of this chapter shall
- 501.2 California Energy Code Water Heating System
- 502.1 General. It shall be unlawful for a person to install,
- 503.1 Inspection of Chimneys or Vents. This inspection shall be made after chimneys, vents, or…
- 503.2 Final Water Heater Inspection. This inspection
- 504.1 Location. Water heater installations in bedrooms and
- 504.2 Vent. Water heaters of other than the direct-vent type
- 504.3 Clearance. The clearance requirements for water
- 504.4 Pressure-Limiting Devices. A water heater installation shall be provided with overpressu…
- 504.5 Temperature-Limiting Devices. A water heater
- 504.6 Temperature, Pressure, and Vacuum Relief
- 505.1 Water Heaters. Water heaters deriving heat from
- 505.2 Safety Devices. Storage-type water heaters and hot
- 505.3 Oil-Fired Water Heaters. Oil-fired water heaters
- 506.1 General. Air for combustion, ventilation, and dilution of
- 506.2 Indoor Combustion Air. The required volume of
- 505.4 Indirect-Fired Water Heaters. Indirect-fired water
- 506.4 Outdoor Combustion Air. Outdoor combustion air
- 506.3 Indoor Opening Size and Location. Openings
- 506.5 Combination Indoor and Outdoor Combustion
- 506.6 Engineered Installations. Engineered combustion
- 506.7 Mechanical Combustion Air Supply. Where all
- 506.8 Louvers, Grilles, and Screens. The required size
- 506.9 Combustion Air Ducts. Combustion air ducts shall
- 507.1 Dielectric Insulator. The Authority Having Jurisdiction shall have the authority to requ…
- 507.2 Seismic Provisions. Water heaters shall be anchored
- 507.3 Appliance Support. Appliances and equipment shall
- 507.4 Ground Support. A water heater supported from the
- 507.5 Drainage Pan. Where a water heater is located in an
- 507.6 Added or Converted Equipment or Appliances.
- 507.7 Types of Gases. The appliance shall be connected to
- 507.8 Safety Shutoff Devices for Unlisted LP-Gas
- 507.9 Use of Air or Oxygen Under Pressure. Where air
- 507.10 Protection of Gas Appliances from Fumes or
- 507.11 Process Air. In addition to air needed for combustion in commercial or industrial proce…
- 507.12 Flammable Vapors. Appliances shall not be
- 507.13 Installation in Residential Garages. Appliances
- 507.14 Installation in Commercial Garages. Appliances
- 507.15 Installation in Aircraft Hangars. Heaters in aircraft hangars shall be installed in acc…
- 507.16 Venting of Flue Gases. Appliances shall be vented
- 507.17 Extra Device or Attachment. No device or attachment shall be installed on any appliance…
- 507.18 Adequate Capacity of Piping. When additional
- 507.19 Avoiding Strain on Gas Piping. Appliances shall
- 507.20 Gas Appliance Pressure Regulators. Where the
- 507.21 Venting of Gas Appliance Pressure Regula-
- 507.22 Bleed Lines for Diaphragm-Type Valves. Bleed
- 507.23 Combination of Appliances and Equipment.
- 507.24 Installation Instructions. The installing agency
- 507.25 Protection of Outdoor Appliances. Appliances
- 507.26 Accessibility for Service. All appliances shall be
- 507.27 Clearance to Combustible Materials. Appliances and their vent connectors shall be insta…
- 508.1 General. Appliances on roofs shall be designed or
- 508.2 Installation of Appliances on Roofs. Appliances
- 508.3 Appliances on Roofs. Appliances located on roofs or
- 508.4 Appliances in Attics and Under-Floor Spaces.
- 509.1 Listing. Type B and Type B-W gas vents shall comply
- 509.2 Connection to Venting Systems. Except as permitted in Section 509.2.1 through Section 50…
- 509.3 Minimum Safe Performance. Venting systems shall
- 509.4 Type of Venting System to be Used. The type of
- 509.5 Masonry, Metal, and Factory-Built Chimneys.
- 509.6 Gas Vents. The installation of gas vents shall meet
- 509.7 Single-Wall Metal Pipe. Single-wall metal pipe shall
- 509.8 Through-the-Wall Vent Termination. A mechanical draft venting system shall terminate at …
- 509.9 Condensation Drain. Provision shall be made to
- 509.10 Vent Connectors for Category I Appliances.
- 509.11 Vent Connectors for Category II, Category III,
- 509.12 Draft Hoods and Draft Controls. Vented appliances shall be installed with draft hoods.
- 509.13 Manually Operated Dampers. A manually operated damper shall not be placed in any applia…
- 509.14 Automatically Operated Vent Dampers. An
- 509.15 Obstructions. Devices that retard the flow of vent
- 510.1 Single Appliance Vent Table 510.1.2(1) through
- 510.2 Multiple Appliance Vent Table 510.2(1) through
▸Chapter 6 — WATER SUPPLY AND DISTRIBUTION
Overview- 601.1 Applicability. This chapter shall govern the materials,
- 601.2 Water Supply and Flushing. Each plumbing fixture shall be provided with an adequate supp…
- 601.3 Identification of a Potable and Nonpotable
- 601.4 [CA] Schools of Cosmetology and Cosmeto-
- 601.5 [AGR] Meat and Poultry Processing Plants.
- 601.6 [AGR] Collection Centers and Facilities.
- 601.7 [AGR] Renderers. This area shall be provided with
- 601.8 [AGR] Horse Meat and Pet Food Establishments.
- 602.1 Prohibited Installation. No installation of potable
- 602.2 Cross-Contamination. No person shall make a connection or allow one to exist between pip…
- 602.3 Backflow Prevention. No plumbing fixture, device,
- 602.4 Approval by Authority. No water piping supplied
- 603.1 General. Cross-connection control shall be provided
- 603.2 Approval of Devices or Assemblies. Before a
- 603.3 Backflow Prevention Devices, Assemblies, and
- 603.4 General Requirements. Assemblies shall comply
- 603.5 Specific Requirements. Specific requirements for
- 604.1 Pipe, Tube, and Fittings. Pipe, tube, fittings, solvent cement, thread sealants, solders…
- 604.2 Lead Content. The maximum allowable lead content in pipes, pipe fittings, plumbing fitti…
- 604.3 Copper or Copper Alloy Tube. Copper or copper
- 604.4 Hard-Drawn Copper or Copper Alloy Tubing.
- 604.5 Flexible Connectors. Flexible water connectors
- 604.6 Cast-Iron Fittings. Cast-iron fittings up to and
- 604.7 Malleable Iron Fittings. Malleable iron water fittings shall be galvanized.
- 604.8 Previously Used Piping and Tubing. Piping and
- 604.9 Epoxy Coating. The epoxy coating used on existing, underground steel building supply pip…
- 604.10 Plastic Materials. Approved plastic materials shall
- 604.11 Solder. Solder shall comply with the requirements of
- 604.12 Flexible Corrugated Connectors. Flexible corrugated connectors of copper, copper alloy,…
- 604.13 Water Heater Connectors. Flexible metallic (copper and stainless steel), reinforced fle…
- 605.1 Copper or Copper Alloy Pipe, Tubing, and
- 605.2 CPVC Plastic Pipe and Joints. CPVC plastic pipe
- 605.3 CPVC/AL/CPVC Plastic Pipe and Joints. Chlorinated polyvinyl chloride/aluminum/chlorinate…
- 605.4 Ductile Iron Pipe and Joints. Ductile iron pipe
- 605.5 Galvanized Steel Pipe and Joints. Galvanized
- 605.6 PE Plastic Pipe/Tubing and Joints. PE plastic
- 605.7 PE-AL-PE Plastic Pipe/Tubing and Joints. PEAL-PE plastic pipe or tubing and fitting join…
- 605.8 PE-RT. Polyethylene of raised temperature (PE-RT)
- 605.9 PEX Plastic Tubing and Joints. PEX plastic tubing and fitting joining methods shall be i…
- 605.10 PEX-AL-PEX Plastic Tubing and Joints. PEXAL-PEX plastic pipe or tubing and fitting join…
- 605.11 Polypropylene (PP) Piping and Joints. PP pipe
- 605.12 PVC Plastic Pipe and Joints. PVC plastic pipe
- 605.13 Stainless Steel Pipe and Joints. Joining methods for stainless steel pipe and fittings …
- 605.14 Slip Joints. In water piping, slip joints shall be permitted to be used only on the exp…
- 605.15 Dielectric Unions. Dielectric unions where
- 605.16 Joints Between Various Materials. Joints
- 606.1 General. Valves up to and including 2 inches (50
- 606.2 Fullway Valve. A fullway valve controlling outlets
- 606.3 Multidwelling Units. In multidwelling units, one or
- 606.4 Multiple Openings. Valves used to control two or
- 606.5 Control Valve. A control valve shall be installed
- 606.6 Accessible. Required shutoff or control valves shall
- 606.7 Multiple Fixtures. A single control valve shall be
- 606.8 [OSHPD 1, 1R, 2, 3, 4 & 5] Each riser or branch
- 606.9 Check Valve Required. All systems that circulate
- 606.10 Leak Detection Devices. Where leak detection
- 607.1 General. Potable water supply tanks shall be installed
- 607.2 Potable Water Tanks. Potable water supply tanks,
- 607.3 Venting. Tanks used for potable water shall be tightly
- 607.4 Overflow. Tanks shall have not less than a 16 square
- 607.5 Valves. Pressurized tanks shall be provided with a
- 608.1 Inadequate Water Pressure. Where the water pressure in the main or other source of suppl…
- 608.2 Excessive Water Pressure. Where static water
- 608.3 Expansion Tanks, and Combination Tempera-
- 608.4 Pressure Relief Valves. Each pressure relief valve
- 608.5 Discharge Piping. The discharge piping serving a
- 608.6 Water-Heating Devices. A water-heating device
- 608.7 Vacuum Relief Valves. Where a hot-water storage
- 609.1 Installation. Water piping shall be adequately supported in accordance with Table 313.3.…
- 609.2 Trenches. Water pipes shall not be run or laid in the
- 609.3 Under Concrete Slab. Water piping installed within
- 609.4 Testing. Upon completion of a section or of the entire
- 609.5 Unions. Unions shall be installed in the water supply
- 609.6 Location. Except as provided in Section 609.7, no
- 609.7 Abutting Lot. Nothing contained in this code shall
- 609.8 Pumps. Pumps shall be installed in accordance with
- 609.9 Low-Pressure Cutoff Required on Booster
- 609.10 Disinfection of Potable Water System. New or
- 609.11 Water Hammer. [Not adopted by HCD] Building
- 609.12 Pipe Insulation. Insulation of domestic hot water
- 610.1 Size. The size of each water meter and each potable
- 610.2 Pressure Loss. Where a water filter, water softener,
- 610.3 Quantity of Water. The quantity of water required to
- 610.4 Sizing Water Supply and Distribution Systems.
- 610.5 Sizing per Appendices A and C. Except as provided in Section 610.4, the size of each wat…
- 610.6 Friction and Pressure Loss. Except where the type
- 610.7 Conditions for Using Table 610.4. On a proposed
- 610.8 Size of Meter and Building Supply Pipe Using
- 610.9 Size of Branches. Where Table 610.4 is used, the
- 610.10 Sizing for Flushometer Valves. Where using
- 610.11 Sizing Systems for Flushometer Tanks. The size
- 610.12 Sizing for Velocity. Water piping systems shall not
- 610.13 Exceptions. The provisions of this section relative
- 611.1 Application. Drinking water treatment units shall
- 611.2 Air Gap Discharge. Discharge from drinking water
- 611.3 Connection Tubing. The tubing to and from drinking water treatment units shall be of a s…
- 611.4 Sizing of Residential Softeners. Residential-use
- 612.1 Installation. Residential Sprinkler Systems shall be
- 613.1 The domestic water-heating equipment and distribu-
- 613.2 At least two pieces of hot-water-heating equipment shall
- 613.3 Instantaneous heaters are permitted for supplying hot
- 613.4 Water storage tanks shall be fabricated of corrosion-
- 613.5 Temperature control valves shall be provided to auto-
- 613.6 Hot-water distribution system serving patient care
- 613.7 At fixtures where water exceeding 125°F (52°C) is acces-
- 613.8 Sectionalizing valves shall be provided as required by
- 614.1 [OSHPD 1, 1R, 2, 3, 4 & 5] Dialysis water feedlines
- 614.2 All piping for multistation or central dialysis units shall
- 614.3 All valves shall be located in accessible locations.
- 614.4 Piping and valves shall be identified according to their
- 614.5 A means of preventing backwashing or flushing of the
- 614.6 A continuous audible alarm shall sound at the nurses’
- 614.7 Water used for dialysis treatment shall meet the latest
- 614.8 A diagram of all piping as installed shall be posted at the
- 615.1 Uses Not Permitted.
- 615.2 [OSHPD 1, 1R, 2, 3, 4 & 5] Non-potable water sys-
- 615.3 [OSHPD 1, 1R, 2, 3, 4 & 5] Outlets for non-potable
- 615.4 [OSHPD 1] Emergency Water Supply.
▸Chapter 7 — SANITARY DRAINAGE
Overview- 701.1 Applicability. This chapter shall govern the materials,
- 701.2 Drainage Piping. Materials for drainage piping shall
- 701.3 Drainage Fittings. Materials for drainage fittings
- 701.4 Continuous Wastes. Continuous wastes and fixture
- 701.5 Lead. (See Chapter 17) Sheet lead shall comply with
- 701.6 Caulking Ferrules. Caulking ferrules shall be manufactured from copper or copper alloy a…
- 701.7 Soldering Bushings. Soldering bushings shall be
- 702.1 Trap Size. The unit equivalent of plumbing fixtures
- 702.2 Intermittent Flow. Drainage fixture units for intermittent flow into the drainage system…
- 702.3 Continuous Flow. For a continuous flow into a
- 703.1 Minimum Size. The minimum sizes of vertical, horizontal, or both drainage piping shall b…
- 703.2 Maximum Number of Fixture Units. Table 703.2
- 703.3 Sizing per Appendix C. For alternate method of
- 704.1 Inlet Fittings. Drainage piping shall be provided with
- 704.2 Single Vertical Drainage Pipe. Two fixtures set
- 704.3 Commercial Sinks. Pot sinks, scullery sinks, dishwashing sinks, silverware sinks, and ot…
- 705.1 ABS and ABS Co-Extruded Plastic Pipe and
- 705.2 Cast-Iron Pipe and Joints. Joining methods for
- 705.3 Copper or Copper Alloy Pipe (DWV) and
- 705.4 Galvanized Steel Pipe and Joints. Joining methods for galvanized steel pipe and fittings…
- 705.5 Polyethylene (PE) Sewer Pipe. Polyethylene (PE)
- 705.6 PVC and PVC Co-Extruded Plastic Pipe and
- 705.7 Stainless Steel Pipe and Joints. Joining methods for stainless steel pipe and fittings s…
- 705.8 Vitrified Clay Pipe and Joints. Joining methods
- 705.9 Special Joints. Special joints shall comply with Section 705.9.1 through Section 705.9.4.
- 705.10 Joints Between Various Materials. Joints
- 706.1 Approved Fittings. Changes in the direction of
- 706.2 Horizontal to Vertical. Horizontal drainage lines,
- 706.3 Horizontal to Horizontal. Horizontal drainage lines
- 706.4 Vertical to Horizontal. Vertical drainage lines connecting with horizontal drainage line…
- 707.1 Plug. Each cleanout fitting for cast-iron pipe shall consist of a cast-iron or copper al…
- 707.2 Approved. Each cleanout fitting and each cleanout
- 707.3 Watertight and Gastight. Cleanouts shall be
- 707.4 Location. Each horizontal drainage pipe shall be provided with a cleanout at its upper t…
- 707.5 Cleaning. Each cleanout shall be installed so that it
- 707.6 Extension. Each cleanout extension shall be considered as drainage piping and each 90 de…
- 707.7 Interceptor. Each cleanout for an interceptor shall be
- 707.8 Access. Each cleanout, unless installed under an
- 707.9 Clearance. Each cleanout in piping 2 inches (50 mm)
- 707.10 Fittings. Cleanout fittings shall be not less in size
- 707.11 Pressure Drainage Systems. Cleanouts shall be
- 707.12 Countersunk Cleanout Plugs. Countersunk
- 707.13 Hubless Blind Plugs. Where a hubless blind plug
- 707.14 Trap Arms. Cleanouts for trap arms shall be installed
- 708.1 General. Horizontal drainage piping shall be run in
- 709.1 General. Where practicable, plumbing fixtures shall
- 710.1 Backflow Protection. Fixtures installed on a floor
- 710.2 Sewage Discharge. Drainage piping serving fixtures that are located below the crown leve…
- 710.3 Sewage Ejector and Pumps. A sewage ejector or
- 710.4 Discharge Line. The discharge line from such ejector, pump, or another mechanical device…
- 710.5 Size of Building Drains and Sewers. Building
- 710.6 Backwater Valves. Backwater valves, gate valves,
- 710.7 Drainage and Venting Systems. The drainage and
- 710.8 Sump and Receiving Tank Construction. Sumps
- 710.9 Alarm. Such sumps and receiving tanks shall be automatically discharged and, wherein a “…
- 710.10 Sump and Receiving Tank Covers and Vents.
- 710.11 Air Tanks. Air tanks shall be so proportioned as to be
- 710.12 Grinder Pump Ejector. Grinder pumps shall be
- 710.13 Macerating Toilet Systems and Pumped
- 711.1 General. Drainage connections shall not be made into
- 712.1 Media. The piping of the plumbing, drainage, and
- 712.2 Water Test. The water test shall be applied to the
- 712.3 Air Test. The air test shall be made by attaching an
- 713.1 Where Required. A building in which plumbing fixtures are installed and premises having …
- 713.2 Private Sewage Disposal System. Where no public sewer intended to serve a lot or premise…
- 713.3 Public Sewer. Within the limits prescribed by Section 713.4 hereof, the rearrangement or…
- 713.4 Public Sewer Availability. The public sewer shall
- 713.5 Permit. No permit shall be issued for the installation,
- 713.6 Lot. On every lot or premises hereafter connected to
- 713.7 Installation. In cities, counties, or both where the
- 714.1 Unlawful Practices. It shall be unlawful for a person to deposit, by means whatsoever, i…
- 714.2 Prohibited Water Discharge. No rain, surface, or
- 714.3 Prohibited Sewer Connection. No cesspool, septic tank, seepage pit, or drain field shall…
- 714.4 Commercial Food Waste Disposer. The Authority Having Jurisdiction shall review before ap…
- 714.5 Tanks. An approved type, watertight sewage or wastewater holding tank, the contents of w…
- 715.1 Materials. The building sewer, beginning 2 feet (610
- 715.2 Joining Methods and Materials. Joining methods
- 715.3 Existing Sewers. Replacement of existing building
- 716.1 General. Pipe, brick, block, prefabricated septic tanks,
- 717.1 General. The minimum size of a building sewer shall
- 717.2 [AGR] Meat and Poultry Processing Plants. The
- 718.1 Slope. Building sewers shall be run in practical alignment and at a uniform slope of not…
- 718.2 Support. Building sewer piping shall be laid on a firm
- 718.3 Protection from Damage. No building sewer or
- 719.1 Locations. Cleanouts shall be placed inside the building near the connection between the…
- 719.2 No Additional Cleanouts. Where a building sewer
- 719.3 Building Sewer Cleanouts. Required building
- 719.4 Cleaning. Each cleanout shall be installed so that it
- 719.5 Access. Cleanouts installed under concrete or asphalt
- 719.6 Manholes. Approved manholes shall be permitted to
- 720.1 General. Building sewers or drainage piping of clay
- 721.1 Building Sewer. Except as provided in Section 721.2,
- 721.2 Abutting Lot. Nothing contained in this code shall be
- 722.1 Building (House) Sewer. An abandoned building
- 722.2 Cesspools, Septic Tanks, and Seepage Pits. A
- 722.3 Filling. The top cover or arch over the cesspool, septic tank, or seepage pit shall be r…
- 722.4 Ownership. No person owning or controlling a
- 722.5 Disposal Facilities. Where disposal facilities are
- 723.1 General. Building sewers shall be tested by plugging
- 724.1 The drainage and plumbing systems must permit the
- 724.2 Toilet soil lines shall be separated from house drainage
- 726.1 The outer premises of every official establishment,
- 726.2 Toilet soil lines shall be separated from house drainage
- 727.1 For new acute care hospital buildings submitted after
▸Chapter 8 — INDIRECT WASTES
Overview- 801.1 Applicability. This chapter shall govern the materials,
- 801.2 Air Gap or Air Break Required. Indirect waste piping shall discharge into the building d…
- 801.3 Food and Beverage Handling Establishments.
- 801.4 Bar and Fountain Sink Traps. Where the sink in a
- 801.5 Connections from Water Distribution System.
- 801.6 Sterilizers. Lines, devices, or apparatus such as stills,
- 801.7 Drip or Drainage Outlets. Appliances, devices, or
- 802.1 General. No plumbing fixtures served by indirect
- 803.1 Materials. Pipe, tube, and fittings conveying indirect
- 803.2 Copper and Copper Alloys. Joints and connections in copper and copper alloy pipe and tub…
- 803.3 Pipe Size and Length. Except as hereinafter provided, the size of indirect waste piping …
- 804.1 Standpipe Receptors. Plumbing fixtures or other
- 805.1 General. Indirect waste connections shall be provided
- 806.1 General. Appliances, devices, or apparatus such as
- 807.1 Non-Classed Apparatus. Commercial dishwashing
- 807.2 Undiluted Condensate Waste. Where undiluted
- 807.3 Domestic Dishwashing Machine. No domestic
- 808.1 General. Where permitted by the Authority Having
- 809.1 General. Drinking fountains shall be permitted to be
- 810.1 High-Temperature Discharge. No steam pipe shall
- 810.2 Sumps, Condensers, and Intercepting Tanks.
- 810.3 Cleaning. Sumps and condensers shall be provided
- 810.4 Strainers. An indirect waste interceptor is receiving
- 811.1 Pretreatment. Chemical or liquid industrial wastes
- 811.2 Waste and Vent Pipes. Each waste pipe receiving or
- 811.3 Joining Materials. Joining materials shall be of
- 811.4 Access. Where practicable, the piping shall be readily accessible and installed with the…
- 811.5 Permanent Record. The owner shall make and keep
- 811.6 Chemical Vent. No chemical vent shall intersect
- 811.7 Discharge. Chemical wastes shall be discharged in a
- 811.8 Diluted Chemicals. The provisions of this section
- 812.1 General. Water lifts, expansion tanks, cooling jackets, sprinkler systems, drip or overf…
- 813.1 General. Pipes carrying wastewater from swimming
- 814.1 Condensate Disposal. Condensate from air washers, air-cooling coils, condensing applianc…
- 814.2 Condensate Control. Where any equipment or
- 814.3 Condensate Waste Pipe Material and Sizing.
- 814.4 Appliance Condensate Drains. Condensate drain
- 814.5 Point of Discharge. Air-conditioning condensate
- 814.6 Condensate Waste from Air-Conditioning
- 814.7 Plastic Fittings. Female plastic screwed fittings shall
▸Chapter 9 — VENTS
Overview- 901.1 Applicability. This chapter shall govern the materials,
- 901.2 Vents Required. Each plumbing fixture trap, except
- 901.3 Trap Seal Protection. The vent system shall be
- 902.1 Interceptor. Vent piping shall be permitted to be
- 902.2 Bars, Soda Fountains, and Counter. Traps serving sinks that are part of the equipment of…
- 903.1 Applicable Standards. Vent pipe and fittings shall
- 903.2 Use of Copper or Copper Alloy Tubing. Copper
- 903.3 Changes in Direction. Changes in the direction of
- 904.1 Size. The size of vent piping shall be determined from
- 904.2 Length. Not more than one-third of the total permitted length, in accordance with Table …
- 905.1 Grade. Vent and branch vent pipes shall be free from
- 905.2 Horizontal Drainage Pipe. Where vents connect to
- 905.3 Vent Pipe Rise. Unless prohibited by structural conditions, each vent shall rise vertica…
- 905.4 Roof Termination. Vent pipes shall extend undiminished in size above the roof, or shall …
- 905.5 Location of Opening. The vent pipe opening from
- 905.6 Common Vertical Pipe. Two fixtures shall be permitted to be served by a common vertical …
- 906.1 Roof Termination. Each vent pipe or stack shall
- 906.2 Clearance. Each vent shall terminate not less than
- 906.3 Use of Roof. Vent pipes shall be extended separately
- 906.4 Outdoor Installations. Vent pipes for outdoor
- 906.5 Joints. Joints at the roof around vent pipes shall be
- 906.6 Lead. (See Chapter 17) Sheet lead shall comply with
- 906.7 Frost or Snow Closure. Where frost or snow closure is likely to occur in locations havin…
- 907.1 Drainage Stack. Each drainage stack that extends 10
- 907.2 Yoke Vent. The yoke vent connection to the vent stack
- 908.1 Vertical Wet Venting. Wet venting is limited to vertical drainage piping receiving the d…
- 908.2 Horizontal Wet Venting for a Bathroom Group.
- 909.1 General. Traps for island sinks and similar equipment
- 910.1 Where Permitted. Combination waste and vent systems shall be permitted where structural …
- 910.2 Approval. Construction documents for each combination waste and vent system shall first …
- 910.3 Vents. Each combination waste and vent system, as
- 910.4 Size. Each waste pipe and each trap in such a system
- 910.5 Vertical Waste Pipe. No vertical waste pipe shall be
- 910.6 Cleanouts. An accessible cleanout shall be installed
- 910.7 Fixtures. No water closet or urinal shall be installed
- 911.1 Circuit Vent Permitted. A maximum of eight flooroutlet water closets, showers, bathtubs,…
- 912.1 General. The design and sizing of a vent system shall
- 912.2 Minimum Requirements. An engineered vent system shall provide protection of the trap sea…
- 911.2 Circuit Vent Size and Connection. The circuit vent
- 911.3 Relief Vent. A 2 inch (50 mm) relief vent shall be provided for circuit-vented horizonta…
- 911.4 Slope and Size of Horizontal Branch. The vented
- 911.5 Additional Fixtures. Fixtures, other than the circuitvented fixtures, are permitted to d…
▸Chapter 10 — TRAPS AND INTERCEPTORS
Overview- 1001.1 Applicability. This chapter shall govern the materials, design, and installation of tra…
- 1001.2 Where Required. Each plumbing fixture shall be
- 1002.1 Vent Pipes. Each plumbing fixture trap, except as
- 1002.2 Fixture Traps. Each fixture trap shall have a protecting vent so located that the devel…
- 1002.3 Change of Direction. A trap arm shall be permitted to change direction without the use …
- 1002.4 Vent Pipe Opening. The vent pipe opening from
- 1003.1 General Requirements. Each trap, except for
- 1003.2 Slip Joint Fittings. A maximum of one approved
- 1003.3 Size. The size (nominal diameter) of a trap for a
- 1004.1 Prohibited. No form of trap that depends for its seal
- 1004.2 Movable Parts. Bladders, check valves or another
- 1005.1 General. Each fixture trap shall have a liquid seal of
- 1006.1 General. Floor drains shall connect into a trap so
- 1007.1 General. Floor drain or similar traps directly connected to the drainage system and sub…
- 1007.2 Trap Seal Primers. Potable water supply trap seal
- 1008.1 General. Building traps shall not be installed except
- 1009.1 Where Required. Interceptors (clarifiers) (including grease, oil, sand, solid intercept…
- 1009.2 Approval. The size, type, and location of each interceptor (clarifier) or separator sha…
- 1009.3 Design. Interceptors (clarifiers) for sand and similar
- 1009.4 Relief Vent. Interceptors (clarifiers) shall be so
- 1009.5 Location. Each interceptor (clarifier) cover shall be
- 1009.6 Maintenance of Interceptors. Interceptors shall be
- 1009.7 Discharge. The waste pipe from oil and sand interceptors shall discharge as approved by…
- 1010.1 General. A fish, fowl, and animal slaughterhouse or
- 1010.2 [AGR] Meat and Poultry Processing Plants.
- 1010.3 [AGR] Collection Centers and Facilities. All
- 1010.4 [AGR] Horse Meat and Pet Food Establish-
- 1010.5 [AGR] Draining and Plumbing. There shall be
- 1011.1 General. A private or public wash rack or floor or slab
- 1012.1 General. Laundry equipment in commercial and industrial buildings that do not have inte…
- 1013.1 General. Bottling plants shall discharge their process
- 1014.1 General. Where it is determined by the Authority Having Jurisdiction that waste pretrea…
- 1014.2 Hydromechanical Grease Interceptors. Plumbing fixtures or equipment connected to a Type…
- 1014.3 Gravity Grease Interceptors. Required gravity
- 1015.1 Purpose. The purpose of this section is to provide
- 1015.2 Components, Materials, and Equipment. FOG
- 1015.3 Sizing and Installation. FOG disposal systems
- 1015.4 Performance. FOG disposal systems shall produce
- 1015.5 [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors
- 1015.6 [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors
- 1016.1 Discharge. Where the discharge of a fixture or drain
- 1016.2 Authority Having Jurisdiction. Sand interceptors
- 1016.3 Construction and Size. Sand interceptors shall be
- 1016.4 Separate Use. Sand and similar interceptors for
- 1017.1 Interceptors Required. Repair garages and gasoline stations with grease racks or grease…
- 1017.2 Design of Interceptors. Each manufactured interceptor that is rated shall be stamped or…
▸Chapter 11 — STORM DRAINAGE
Overview- 1101.1 Applicability. This chapter shall govern the materials, design, and installation of sto…
- 1101.2 Where Required. Roofs, paved areas, yards, courts,
- 1101.3 Storm Water Drainage to Sanitary Sewer Pro-
- 1101.4 Material Uses. Pipe, tube, and fittings conveying
- 1101.5 Expansion Joints Required. Expansion joints or
- 1101.6 Subsoil Drains. Subsoil drains shall be provided
- 1101.7 Building Subdrains. Building subdrains located
- 1101.8 Areaway Drains. Open subsurface space adjacent
- 1101.9 Window Areaway Drains. Window areaways at a
- 1101.10 Filling Stations and Motor Vehicle Washing
- 1101.11 Paved Areas. Where the occupant creates surface
- 1101.12 Roof Drainage. Roof drainage shall comply with
- 1101.13 Cleanouts. Cleanouts for building storm drains
- 1101.14 Rainwater Sumps. Rainwater sumps serving
- 1101.15 Traps on Storm Drains and Leaders. Leaders
- 1101.16 Leaders, Conductors, and Connections.
- 1102.1 Applications. Roof drains shall be constructed of
- 1102.2 Dome Strainers Required. Roof drains shall have
- 1102.3 Roof Drain Flashings. The connection between
- 1103.1 Vertical Conductors and Leaders. Vertical conductors and leaders shall be sized by the …
- 1103.2 Size of Horizontal Storm Drains and Sewers.
- 1103.3 Size of Roof Gutters. The size of semi-circular
- 1103.4 Side Walls Draining onto a Roof. Where vertical walls project above a roof to permit st…
- 1104.1 General. Where there is a continuous or semi-continuous discharge into the building sto…
- 1105.1 Application. Instead of sizing the storm drainage
- 1105.2 Setback Roofs. Drains on setback roofs shall be
- 1106.1 General. The design and sizing of a storm drainage
- 1106.2 Siphonic Roof Drainage Systems. The design of
- 1106.3 Siphonic Roof Drains. Siphonic roof drains shall
- 1107.1 Testing Required. New building storm drainage
- 1107.2 Methods of Testing Storm Drainage Systems.
▸Chapter 12 — FUEL GAS PIPING
Overview- 1201.1 Applicability. The regulations of this chapter shall
- 1202.1 General. Coverage of piping systems shall extend
- 1202.2 Piping System Requirements. Requirements for
- 1202.3 Applications. This code shall not apply to the following items:
- 1203.1 Inspection Notification. Upon completion of the
- 1203.2 Excavation. Excavations required for the installation of underground piping shall be ke…
- 1203.3 Type of Inspections. The Authority Having Jurisdiction shall make the following inspect…
- 1203.4 Inspection Waived. In cases where the work
- 1204.1 Issuance. Whereupon final piping inspection, the
- 1204.2 Gas Supplier. A copy of the certificate of such final
- 1204.3 Unlawful. It shall be unlawful for a serving gas supplier, or person is furnishing gas,…
- 1205.1 Authorized Personnel. It shall be unlawful for a
- 1205.2 Outlets. It shall be unlawful to turn on or connect gas
- 1206.1 Disconnection. The Authority Having Jurisdiction
- 1206.2 Notice. Where such disconnection has been made, a
- 1206.3 Capped Outlets. It shall be unlawful to remove or
- 1207.1 General. Where temporary use of gas is desired, and
- 1208.1 Installation of Piping System. Where required
- 1208.2 Provision for Location of Point of Delivery.
- 1208.3 Interconnections Between Gas Piping Sys-
- 1208.4 Sizing of Gas Piping Systems. Gas piping systems shall be of such size and so installed…
- 1208.5 Maximum Operating Pressure in Buildings.
- 1208.6 Acceptable Piping Materials and Joining
- 1208.7 Gas Meters. Gas meters shall be selected for the
- 1208.8 Gas Pressure Regulators. A line pressure regulator shall be installed where the gas sup…
- 1208.9 Overpressure Protection Required. Where the
- 1208.10 Overpressure Protection Devices. Overpressure protection devices shall be one of the f…
- 1208.12 Backpressure Protection. Protective devices
- 1208.13 Low-Pressure Protection. A protective device
- 1208.11 Pressure Limitation Requirements. Where piping systems serving appliances designed to …
- 1208.14 Shutoff Valves. Shutoff valves shall be approved
- 1208.15 Expansion and Flexibility. Piping systems shall
- 1209.1 General. Where automatic excess flow valves are
- 1210.1 Piping Underground. Underground gas piping
- 1210.2 CSST Piping Systems. CSST piping systems shall
- 1210.3 Installation of Aboveground Piping. Piping
- 1210.5 Piping in Vertical Chases. Where gas piping
- 1210.4 Concealed Piping in Buildings. Gas piping in
- 1210.6 Gas Pipe Turns. Changes in direction of gas pipe
- 1210.7 Drips and Sediment Traps. For other than dry gas
- 1210.8 Outlets. Outlets shall be located and installed in
- 1210.9 Manual Gas Shutoff Valves. An accessible gas
- 1210.10 Prohibited Devices. Devices shall not be placed
- 1210.11 Systems Containing Gas-Air Mixtures Out-
- 1210.12 Systems Containing Flammable Gas-Air
- 1211.1 Pipe and Tubing Other than CSST. Each aboveground portion of a gas piping system, other…
- 1211.2 Bonding of CSST Gas Piping. CSST gas piping
- 1211.3 Arc-Resistant Jacketed CSST. CSST listed with
- 1211.4 Prohibited Use. Gas piping shall not be used as a
- 1211.5 Lightning Protection System. Where a lightning
- 1211.6 Electrical Circuits. Electrical circuits shall not utilize gas piping or components as …
- 1211.7 Electrical Connections. All electrical connections
- 1211.8 Earthquake-Actuated Gas Shutoff Valves. Earth-
- 1212.1 Connecting Appliances and Equipment.
- 1212.2 Suspended Low-Intensity Infrared Tube
- 1212.3 Use of Nonmetallic Gas Hose Connectors.
- 1212.4 Injection (Bunsen) Burners. Injection (Bunsen)
- 1212.5 Connection of Portable and Mobile Industrial
- 1212.6 Appliance Shutoff Valves and Connections.
- 1212.7 Quick-Disconnect Devices. Quick-disconnect
- 1212.8 Gas Convenience Outlets. Appliances shall be
- 1212.9 Sediment Trap. Where a sediment trap is not incorporated as a part of the appliance, a …
- 1212.10 Installation of Piping. Piping shall be installed in
- 1212.11 Liquefied Petroleum Gas Facilities and Pip-
- 1213.1 Piping Installations. Prior to acceptance and initial operation, all piping installatio…
- 1213.2 Test Preparation. Test preparation shall comply
- 1213.3 Test Pressure. This inspection shall include an air,
- 1213.4 Detection of Leaks and Defects. The piping system shall withstand the test pressure spe…
- 1213.5 Piping System Leak Test. Leak checks using fuel
- 1213.6 Purging Requirements. The purging of piping
- 1214.1 General. The following regulations shall comply
- 1214.2 Volume. The hourly volume of gas required at each
- 1214.3 Gas Appliances. Where the gas appliances to be
- 1214.4 Size of Piping Outlets. The size of the supply piping outlet for a gas appliance shall …
- 1215.1 Pipe Sizing Methods. Where the pipe size is to be
- 1215.2 Sizing of Gas Piping Systems. Sizing of piping
- 1215.3 Sizing Equations. The inside diameter of smooth
- 1215.5 Engineering Methods. For conditions other than
- 1215.6 Variable Gas Pressure. Where the supply gas
- 1215.4 Sizing of Piping Sections. To determine the size
▸Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
Overview- 1302.1 Risk Categories. Activities, systems, or equipment
- 1302.2 Patient Care Spaces. The health care facility’s
- 1302.3 Anesthesia. It shall be the responsibility of the
- 1302.4 Wet Procedure Locations. It shall be the responsibility of the health care facility’s g…
- 1303.1 Drinking Fountain Control Valves. Drinking
- 1303.2 Psychiatric Patient Rooms. Piping and drain
- 1301.1 Applicability. This chapter applies to the special fixtures and systems in health care …
- 1301.2 Where Not Applicable. This chapter does not apply
- 1301.3 Conflict of Requirements. The requirements of
- 1301.4 Where Required. Construction and equipment
- 1301.5 Existing Systems. Only the altered, renovated, or
- 1303.3 Locations for Ice Storage. Ice makers or ice storage containers shall be located in nur…
- 1303.4 Sterilizers and Bedpan Steamers. Sterilizers
- 1303.5 Aspirators. Provisions for aspirators or other watersupplied suction devices shall be i…
- 1303.6 Drains. Drains shall be installed on dryers, aftercoolers, separators, and receivers.
- 1303.7 Clinical Sinks. Clinical sinks shall be installed in
- 1303.8 Water Supply for Hospitals. Hospitals shall be
- 1303.9 Work Performed in Occupied Healthcare
- 1304.1 General. The installation of medical gas and medical vacuum piping systems shall comply…
- 1304.2 Certification of Systems. Certification of medical gas and vacuum systems shall comply …
- 1304.3 Construction Documents. Before a medical gas
- 1304.4 Extent of Work. Construction documents submitted
- 1304.5 Record. A record of as-built plans and valve identification records shall remain on the…
- 1305.1 Required Operating Pressures. Medical gas and
- 1306.3 Report Items. A report that includes the specific
- 1306.4 Components. Functioning of alarm components
- 1307.1 Terms. Where the terms medical gas or medical support gas occur, the provisions shall a…
- 1305.2 Minimum Flow Rates. Medical gas and vacuum
- 1305.3 Minimum Station Outlets and Inlets. Station
- 1306.1 Certification. Prior to a medical gas or vacuum system being placed in service, such sy…
- 1306.2 Certification Tests. Certification tests, verified and
- 1307.4 Materials. Materials used in central supply systems
- 1307.2 Nature of Hazards of Gas and Vacuum Sys-
- 1307.3 Permitted Locations for Medical Gases. Central supply systems for oxygen, medical air, …
- 1308.1 Where Required. Pressure-regulating equipment
- 1308.2 Pressure Relief Valves. All pressure relief valves
- 1308.3 Pressure-Relief Valve Requirements. Central
- 1309.1 Oxygen Requirements. Oxygen concentrator supply units for use with medical gas pipeline…
- 1309.2 Particulate Size. Output shall have less than or
- 1309.3 Suitability. Materials of construction on the air side
- 1309.4 Compatible Materials. Materials of construction
- 1309.5 Oxygen Concentrator Components. The components that make up the oxygen concentrator uni…
- 1309.6 Supply Air Quality. The supply air to the concentrators shall be of a quality to ensure…
- 1309.7 Electrical Components. The oxygen concentrator
- 1309.8 Vent Valve. A vent valve shall be provided as follows:
- 1309.9 Valved Sample Port. A DN8 (NPS 1/4) valved
- 1309.10 Suitable Filter. At least one 0.1 micron filter suitable for oxygen service shall be p…
- 1309.11 Check Valve. A check valve shall be provided at
- 1310.4 Medical Air Receivers. Receivers for medical air
- 1310.5 Valves. A medical air receiver(s) shall be provided
- 1309.12 Outlet Valve. An outlet valve shall be provided to
- 1309.13 Oxygen Concentration Monitor. The oxygen
- 1310.1 Quality of Medical Air. Medical air shall be
- 1310.2 Uses of Medical Air. Medical air sources shall be
- 1310.3 Medical Air Compressors. Medical air compressors shall be installed in a well-lit, vent…
- 1312.2 Medical-Surgical Vacuum Sources. Medicalsurgical vacuum central supply systems shall co…
- 1312.3 Vacuum Receivers. Receivers for vacuum shall
- 1312.4 Vacuum Filtration. Central supply systems for vacuum shall be provided with inlet filtr…
- 1311.1 Air Sources. Air sources for medical air compressors shall comply with Section 1311.2 t…
- 1311.2 Medical Air Compressor Source. The medical
- 1311.3 Air Intakes. Compressor intake piping shall be permitted to be made of materials and us…
- 1311.4 Location. Medical air intakes shall be located as follows:
- 1311.5 Separate Compressors. Air intakes for separate
- 1311.6 Screening. The end of the intake shall be turned
- 1312.1 General. The vacuum plant shall be installed in a
- 1312.5 Piping Arrangement and Redundancies. Piping arrangement shall be as follows:
- 1312.6 Piping Serviceability. The medical-surgical vacuum receiver(s) shall be serviceable wit…
- 1312.7 Shutoff Valve. Medical-surgical vacuum central
- 1313.1 Vacuum Source Exhausts. The medical-surgical
- 1313.2 Location. The exhaust shall be located as follows:
- 1313.3 Screening. The end of the exhaust shall be turned
- 1313.4 Dips and Loops. The exhaust shall be free of dips
- 1313.5 Multiple Pumps. Vacuum exhausts from multiple
- 1314.1 Gas and Vacuum Shutoff Valves. Shutoff valves
- 1314.2 Security. All valves, except valves in zone valve
- 1314.3 Labeled. All valves shall be labeled as to gas supplied and the area(s) controlled, in …
- 1314.4 Accessibility. Zone valves shall be installed in
- 1314.5 Valve Types. New or replacement valves shall be
- 1314.10 Zone Valves. All station outlets/inlets shall be supplied through a zone valve, which …
- 1314.11 In-Line Shutoff Valves. Optional in-line valves
- 1314.12 Valves for Future Connections. Future connection valves shall be labeled as to gas con…
- 1315.1 General. Each station outlet/inlet for medical gases
- 1315.2 Required Valves. Each station outlet shall consist
- 1314.6 Source Valves. A shutoff valve shall be placed at the
- 1314.7 Main Line Valve. A shutoff valve shall be provided
- 1314.8 Riser Valves. Each riser supplied from the main line
- 1314.9 Service Valves. Service valves shall be installed to
- 1315.15 Post Installation. After installation of the piping,
- 1316.1 Isolation. A pressure-relief valve shall not be isolated from its intended use by a val…
- 1316.2 Pressure and Vacuum Indicator Locations.
- 1317.1 Category 1. All master, area, and local alarm systems used for medical gas and vacuum s…
- 1315.3 Secondary Valve. The secondary valve (or assembly) shall close automatically to stop th…
- 1315.4 Identification. Each outlet/inlet shall be legibly identified in accordance with Sectio…
- 1315.5 Threaded Outlets/Fittings. Threaded
- 1315.6 Gas-Specific Station Outlet/Inlet. Each station
- 1315.7 Common Parts. The use of common parts in outlets/inlets, such as springs, O-rings, fast…
- 1315.8 Marking of Components. Components of a vacuum station inlet necessary for the maintenan…
- 1315.9 Components Not Specific to a Vacuum. Components of inlets not specific to a vacuum shal…
- 1315.10 Factory-Installed Copper Inlet Tubes. Factoryinstalled copper inlet tubes on station o…
- 1315.11 Factory-Installed Copper Outlet Tubes. Factory-installed copper outlet tubes on statio…
- 1315.12 Protection from Damage. Station outlets/inlets
- 1315.13 Multiple Wall Outlets/Inlets. When multiple wall
- 1315.14 Nonstandard Operation Pressures. Station
- 1318.1 General. The provisions of this section shall apply
- 1318.2 Cleaning. Tubes, valves, fittings, station outlets, and
- 1318.3 Delivery. Each length of tube shall be delivered
- 1318.4 Tubes for Medical Gas Systems. Tubes shall be
- 1318.5 Manufacturer Markings. ASTM B819, medical gas
- 1318.6 Documentation. The installer shall furnish documentation certifying that all installed …
- 1319.1 Tubes for Medical Vacuum Systems. Piping for
- 1320.1 General. This section sets forth the requirements for
- 1320.2 Changes in Direction. Positive pressure patient
- 1321.1 Brazed Joints and Fittings. Fittings shall be
- 1321.2 Tube Joints. Brazed tube joints shall be the socket
- 1321.3 Filler Metals. Filler metals shall bond with and be
- 1321.4 Copper-to-Copper Joints. Copper-to-copper
- 1321.5 Accessible. Joints to be brazed in place shall be
- 1321.6 Purging. Braze joints shall be continuously purged
- 1321.7 Tube Ends. Tube ends shall be cut square using a
- 1321.8 Cleaning Procedures. The interior surfaces of
- 1321.9 Brazing Dissimilar Metals. Flux shall only be
- 1321.10 Nitrogen Purge. When brazing, joints shall be
- 1321.11 Assembling and Heating Brazed Joints. Tube
- 1321.12 Inspection of Brazed Joints. After brazing, the
- 1322.1 Welded Joints Procedure. Welded joints for
- 1322.6 Other Types of Fittings. Listed or approved metallic gas tube fittings that, when made …
- 1322.7 Prohibited Joints. The following joints shall be
- 1323.1 Required Pipe Sizing. Piping systems shall be
- 1322.2 Welding for Stainless Tube. Stainless tube shall
- 1322.3 Memory Metal Fittings. Memory metal fittings
- 1322.4 Axially Swaged Fittings. Axially swaged, elastic
- 1322.5 Threaded Fittings. Threaded fittings shall meet the
- 1323.2 Pipe Protection. Piping shall be protected against
- 1323.3 Location of Piping. Piping risers shall be permitted to be installed in pipe shafts if …
- 1323.5 Frost Protection. Buried piping outside of buildings shall be installed below the local…
- 1323.4 Pipe Support. Piping shall be supported from the
- 1323.6 Connectors. Hose and flexible connectors, both
- 1323.7 Prohibited System Interconnections. Two or
- 1323.8 Manufacturer’s Instructions. The installation of
- 1323.9 Changes in System Use. Where a positive-pressure medical gas piping distribution system…
- 1323.10 Qualifications of Installers. The installation of
- 1323.11 Qualification of Brazing Procedures and
- 1323.12 Breaching or Penetrating Medical Gas Pip-
- 1323.13 Labeling, Identification and Operating Pres-
- 1323.14 Identification of Shutoff Valves. Shutoff valves
- 1323.15 Identification. Station outlets and inlets shall be
- 1324.1 Where Required. Inspection and testing shall be
- 1324.2 Breached Systems. All systems that are breached
- 1324.3 Test Gas. The test gas shall be oil-free, dry nitrogen
- 1324.4 Initial Piping Blowdown. Piping in medical gas
- 1324.5 Initial Pressure Tests – Medical Gas and Vac-
- 1325.11 Category 2 Distribution. Level 2 systems shall
- 1325.12 Labeling and Identification. Category 2 systems shall comply with Section 1323.13 thro…
- 1325.13 Performance Criteria and Testing — Cate-
- 1326.1 General. Category 3 piped gas and vacuum systems
- 1326.2 Nature of Hazards of Gas and Vacuum Sys-
- 1326.3 Medical Air Supply Systems. Category 3 systems shall comply with Section 1310.0 through…
- 1326.4 Oxygen Central Supply Systems Using Con-
- 1326.5 Medical–Surgical Vacuum. Category 3 systems
- 1325.1 General. Category 2 piped gas or piped vacuum system requirements shall be permitted wh…
- 1325.2 Nature of Hazards of Gas and Vacuum Sys-
- 1325.3 Central Supply Systems. Category 2 systems
- 1325.4 Category 2 Medical Air Supply Systems. Category 2 systems shall comply with Section 131…
- 1325.5 Oxygen Concentrators. Oxygen supply systems
- 1325.6 Category 2 Medical-Surgical Vacuum. Category 2 systems shall comply with Section 1312.0…
- 1325.7 Valves. Category 2 systems shall comply with Section 1314.0 through Section 1314.12.1. …
- 1325.8 Station Outlets and Inlets. Category 2 systems
- 1325.9 Pressure and Vacuum Indicators. Category 2
- 1325.10 Warning Systems (Category 2). Warning systems associated with Category 2 systems shall…
- 1327.4 Initial Pressure Test. Each section of the piping in
- 1326.6 Valves. Category 3 systems shall comply with Section 1314.0. [NFPA 99:5.3.4]
- 1326.7 Station Outlets and Inlets. Category 3 systems
- 1326.8 Pressure and Vacuum Indicators. Category 3
- 1326.9 Warning Systems. Warning systems associated
- 1326.10 Distribution. Category 3 systems shall comply
- 1326.11 Labeling and Identification. Category 3 systems
- 1327.1 General. Dental gas and vacuum systems shall comply with this code and NFPA 99.
- 1327.2 Emergency Shutoff Valves (Oxygen and
- 1327.3 Warning Systems (Oxygen and Nitrous
- 1327.5 Maximum Copper Tube Support Spacing. The
- 1327.8 Verifier Operational Pressure Test. Operational
- 1327.6 Maximum Plastic Pipe Support Spacing. The
- 1327.7 Standing Pressure Tests for Oxygen and
▸Chapter 14 — FIRESTOP PROTECTION
Overview- 1401.1 Applicability. Piping penetrations of required fireresistance-rated walls, partitions, …
- 1402.1 Penetrations. Construction documents shall indicate with sufficient detail how penetrat…
- 1403.1 Materials. Firestop systems shall be installed in
- 1404.1 General Requirements. Combustible piping
- 1404.2 Fire-Resistance Rating. Where penetrating a fireresistance-rated wall, partition, floor…
- 1404.3 Firestop Systems. Penetrations shall be protected
- 1404.4 Connections. Where piping penetrates a rated
- 1404.5 Insulation and Coverings. Insulation and coverings on or in the penetrating item shall …
- 1404.6 Sleeves. Where sleeves are used, the sleeves shall
- 1405.1 General Requirements. Noncombustible piping
- 1405.2 Fire-Resistance Rating. Where penetrating a fireresistance-rated wall, partition, floor…
- 1405.3 Firestop Systems. Penetrations shall be protected
- 1405.4 Connections. Where piping penetrates a rated
- 1405.5 Unshielded Couplings. Unshielded couplings
- 1405.6 Sleeves. Where sleeves are used, the sleeves shall
- 1405.7 Insulation and Coverings. Insulation and coverings on or in the penetrating item shall …
- 1406.1 General. Prior to being concealed, piping penetrations shall be inspected by the Author…
- 1406.2 Examination. The Authority Having Jurisdiction
- 1406.3 Penetrations. The Authority Having Jurisdiction
- 1406.4 Field Installations. The Authority Having Jurisdiction shall compare the field installa…
▸Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
Overview- 1501.1 Applicability [BSC-CG, DWR & HCD 1] . The
- 1501.2 System Design. Alternate water source systems
- 1501.3 Permit [BSC-CG, HCD 1, DWR] . It shall be unlawful for a person to construct, install, …
- 1501.4 Component Identification. System components
- 1501.5 Maintenance and Inspection [BSC-CG, HCD
- 1501.6 Operation and Maintenance Manual [BSC-CG,
- 1501.7 Minimum Water Quality Requirements [BSC-
- 1501.8 Material Compatibility. Alternate water source systems shall be constructed of material…
- 1501.9 Signage [BSC-CG, HCD 1, HCD 2, HCD 1-AC].
- 1501.10 System Controls. Controls for pumps, valves, and
- 1502.1 General. Alternate water source systems shall be
- 1502.2 Supply System Inspection and Test. Alternate
- 1502.3 Cross-Connection Inspection and Testing. An
- 1502.4 Separation Requirements. Underground alternate water source service piping other than g…
- 1502.5 Abandonment. Alternate water source systems that
- 1502.6 Sizing. Unless otherwise provided for in this chapter, alternate water source piping sh…
- 1503.1 General. The provisions of this section shall apply
- 1503.2 System Requirements. Gray water shall be permitted to be diverted away from a sewer or …
- 1503.3 Connections to Potable and Reclaimed (Recy-
- 1503.4 Location. No gray water system or part thereof shall
- 1503.5 Plot Plan Submission. No permit for a gray water
- 1503.6 Prohibited Location. Where there is insufficient
- 1503.7 Drawings and Specifications. The Authority
- 1503.8 Procedure for Estimating Gray Water Dis-
- 1503.9 Gray Water System Components. Gray water
- 1504.1 General. Irrigation or disposal fields shall be permitted to have one or more valved zo…
- 1504.3 Determination of Maximum Absorption
- 1504.4 Groundwater Level. No excavation for an irrigation field, disposal field, or mulch basi…
- 1504.2 Required Area of Subsurface Irrigation
- 1504.5 Irrigation, Disposal Field and Mulch Basin Con-
- 1504.6 Reserved.
- 1504.7 Reserved .
- 1504.8 Gray Water System Color and Marking Infor-
- 1504.9 Other Collection and Distribution Systems.
- 1504.10 Testing. Building drains and vents for gray water
- 1504.11 Maintenance. Gray water systems and components shall be maintained in accordance with …
- 1505.1 General. The provisions of Section 1505.0 through
- 1505.2 Permit. It shall be unlawful for a person to construct,
- 1505.3 System Changes. No changes or connections shall
- 1505.4 Connections to Potable or Recycled Water
- 1505.5 Initial Cross-Connection Test. A cross-connection test is required in accordance with S…
- 1505.6 Recycled Water Supply System Materials.
- 1505.7 Recycled Water Supply System Color and
- 1505.8 Valves. Valves, except fixture supply control valves,
- 1505.9 Hose Bibbs. Hose bibbs shall not be allowed on
- 1505.10 Required Appurtenances. The recycled water
- 1505.11 Pipe Separation in Trenches . Reclaimed (recycled) water pipes shall be permitted to b…
- 1505.12 Signage . Signs in rooms and water closet tanks in
- 1505.13 Inspection and Testing. Recycled water supply
- 1505.14 Minimum Water Quality Requirements for
- 1505.15 Maintenance and Inspection. Recycled water
- 1506.1 General. The provisions of this section shall apply
- 1506.2 Plumbing Plan Submission. No permit for an
- 1506.3 System Changes. No changes or connections shall
- 1506.4 Connections to Potable or Recycled Water
- 1506.5 Initial Cross-Connection Test. A cross-connection test is required in accordance with S…
- 1506.6 On-Site Treated Nonpotable Gray Water Sys-
- 1506.7 On-Site Treated Nonpotable Gray Water
- 1506.8 On-Site Treated Nonpotable Gray Water Sys-
- 1506.9 Design and Installation. The design and installation of on-site treated nonpotable gray…
- 1506.10 Valves. Valves, except fixture supply control
- 1506.11 Signs. Signs in buildings using on-site treated nonpotable gray water shall comply wit…
- 1506.12 Inspection and Testing. On-site treated nonpotable gray water systems shall be inspect…
▸Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
Overview- 1601.1 Applicability. The provisions of this chapter shall
- 1601.2 System Design. Rainwater catchment systems shall
- 1601.3 Permit. It shall be unlawful for a person to construct,
- 1601.4 Component Identification. System components
- 1601.5 Maintenance and Inspection. Rainwater catchment systems and components shall be inspect…
- 1601.6 Operation and Maintenance Manual. An operation and maintenance manual for rainwater cat…
- 1601.7 Minimum Water Quality Requirements. The
- 1602.1 General. The installation, construction, alteration,
- 1602.2 Plumbing Plan Submission. No permit for a
- 1602.3 System Changes. No changes or connections shall
- 1602.4 Connections to Potable or Reclaimed (Recy-
- 1602.5 Initial Cross-Connection Test. Where a portion
- 1602.6 Sizing. The design and size of rainwater drains, gutters, conductors, and leaders shall…
- 1602.7 Rainwater Catchment System Materials. Rainwater catchment system materials shall comply…
- 1602.8 Rainwater Catchment System Color and
- 1602.9 Deactivation and Drainage for Cross-Connec-
- 1603.1 Rainwater Catchment Systems. The design and
- 1603.2 Outside Hose Bibbs. Outside hose bibbs shall be
- 1603.3 Construction. Rainwater storage tanks shall be
- 1603.4 Rainwater Catchment Collection Surfaces.
- 1603.5 Minimum Water Quality. The minimum water
- 1603.12 Marking. Rainwater tanks shall be permanently
- 1603.13 Storage Tank Venting. Where venting using
- 1603.14 Pumps. Pumps serving rainwater catchment systems shall be listed. Pumps supplying wate…
- 1603.15 Roof Drains. Primary and secondary roof drains,
- 1603.16 Water Quality Devices and Equipment.
- 1603.17 Freeze Protection. Tanks and piping installed in
- 1603.18 Debris Removal. The rainwater catchment conveyance system shall be equipped with a deb…
- 1603.19 Required Filters. A filter permitting the passage
- 1603.6 Rainwater Storage Tanks. Rainwater storage
- 1603.7 Location. Rainwater storage tanks shall be permitted to be installed above or below gra…
- 1603.8 Above Grade. Above grade, storage tanks shall be
- 1603.9 Below Grade. Rainwater storage tanks installed
- 1603.10 Drainage and Overflow. Rainwater storage tanks
- 1603.11 Opening and Access Protection. Rainwater
- 1603.20 Roof Gutters. Gutters shall maintain a minimum
- 1604.1 General. Signs in buildings using rainwater shall be
- 1604.2 Commercial, Industrial, Institutional and Res-
- 1604.3 Equipment Room Signs. Each equipment room
- 1605.1 General. Rainwater catchment systems shall be
- 1605.2 Supply System Inspection and Test. Rainwater
- 1605.3 Cross-Connection Inspection and Testing. An
▸Chapter 17 — REFERENCED STANDARDS
- Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYSTEM
- Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT SYSTEMS
- Appendix C — ALTERNATE PLUMBING SYSTEMS
- Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
- Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL VEHICLE PARKS
- Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
- Appendix G — SIZING OF VENTING SYSTEMS
- Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
- Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND VENTILATION OPENING DESIGN
- Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
- Appendix L — SUSTAINABLE PRACTICES
- Appendix M — PEAK WATER DEMAND CALCULATOR
▸Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR SCALDING AND LEGIONELLA GROWTH