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CA LosAngelesCity PlumbingCode 2020

$102.92

Los Angeles City Plumbing Code

Published By Publication Date Number of Pages
CA 2020 455
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2020 Los Angeles City Plumbing Code

PDF Catalog

PDF Pages PDF Title
4 City of Los Angeles
Los Angeles City Council Planning And Land Use Management Committee
Department Of Building And Safety
Board Of Building And Safety Commissioners
Board Of Disabled Access Appeals Commissioners
Main Office:
Construction Services Counters:
5 City Of Los Angeles Department Of Building And Safety
7 Effective Use Of The City Of Los Angeles Plumbing Code
8 Symbols And Notations In The Code For The City Of Los Angeles
10 Preface
Acknowledgements
11 California Code of Regulations Title 24
12 How to Distinguish Between Model Code LanguageandCalifornia Amendments
14 California Matrix Adoption Tables
16 How to Distinguish Model Code Language from California Amendments
17 Important Notices and Disclaimers
Updating IAPMO Codes
18 Foreword
19 Format of the Uniform Plumbing Code
25 Committee on Uniform Plumbing Code
26 Section Relocation
29 Related Publications and Services
32 Table of Contents
Chapter 1 Administration
Chapter 2 Definitons
Chapter 3 General Regulations
33 Chapter 4 Plumbing Fixtures and Fixture Fittings
35 Chapter 5 Water Heaters
36 Chapter 6 Water Supply and Distribution
38 Chapter 7 Sanitary Drainage
40 Chapter 8 Indirect Wastes
Chapter 9 Vents
41 Chapter 10 Traps and Interceptors
42 Chapter 11 Storm Drainage
43 Chapter 12 Fuel Gas Piping
44 Chapter 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems
Chapter 14 Firestop Protection
Chapter 15 Alternate Water Sources for Nonpotable Applications
46 Chapter 16 Nonpotable Rainwater Catchment Systems
Chapter 18 Uniform Solar, Hydronics and Geothermal Code
Chapter 19 Uniform Swimming Pool, Spa and Hot Tub Code
Chapter 20 Fire Protection Systems
47 Appendices Table of Contents
48 Chapter 1 – Administration
101.0 Title, Scope and General.
101.1 Title.
101.2 Scope.
101.3 Purpose.
101.4 Conflicts Between Codes.
101.5 Plans Required.
101.5.1 General.
101.5.2 Signature.
101.5.3 Risers and Isometrics.
101.5.4 Quality of Plans.
101.5.5 Stamped Plans on Job.
101.5.6 Types of Plans Required to be Submitted.
49 101.6 Repairs and Alterations.
101.6.1 Building Sewers and Drains.
101.6.2 Openings.
101.7 Maintenance.
101.8 Existing Construction.
101.9 Additions, Alterations, or Repairs.
101.10 Appendices.
101.11 Application to Existing Plumbing System.
101.11.1 Health and Safety.
101.11.2 Existing Installation.
101.11.3 Changes in Building Occupancy.
101.11.4 Operating Condition.
101.11.5 Moved Buildings.
101.11.6 Prohibited Acts.
101.11.6.1 No person shall add, alter, change, construct, install, locate, maintain, move, occupy, relocate, remove, renovate, repair, replace, or use any plumbing system, water-connected appliances, products or devices, fire sprinkler system, rainwater piping, standpipe, subsurface drainage piping, swimming pool piping, reclaimed water piping, underground fire protection piping, or graywater piping systems except as provided by this Code.
101.11.6.2 No person shall use or maintain any private sewage disposal system on any lot or parcel of land, that has failed, is in an overflowing condition, or in the judgment of the Department is unsanitary or is a menace to life, health or property.
50 101.11.6.3 No person shall alter, add to or relocate any private sewage-disposal system on any lot or parcel of land that abuts any public way or sewer easement in which a public sewer exists and is ready for use.
101.11.6.4 No person shall sell, offer for sale, display for sale, advertise for sale, loan, rent or lease, dispose of by way of gift or premium or otherwise for reuse or use, the following:
101.11.7 Exemptions From Code.
101.11.7.1 Public Sewers.
101.11.7.2 Street Water Mains.
101.11.7.3 Street Gas Mains.
101.11.7.4 Refineries and Wells (Gas Piping).
101.11.7.5 Portable Gas Cooking Appliances.
101.11.7.6 Vehicles.
101.11.7.7 Manufactured Homes, Recreational Vehicles, Commercial Coaches, Special Purpose Commercial Coaches, Mobile Homes, Mobile Home Parks.
102.0 Organization and Enforcement.
102.1 Authority Having Jurisdiction.
102.2 Duties and Powers of the Authority Having Jurisdiction.
102.2.1 Right of Entry.
51 102.2.2 Stop Orders.
102.2.3 Authority to Disconnect Utilities in Emergencies.
102.2.4 Authority to Condemn.
102.3 Appeals.
102.3.1 Limitations of Authority.
102.4 Violations.
103.0 Permits and Inspections.
103.1 Permits Required.
103.1.1 General.
103.1.1.1 A permit shall be required where the Department has determined that the gas piping shall be retested for the following:
103.1.1.2 Relocated Buildings.
103.1.1.3 Separate Permits Required.
103.1.1.4 No person shall be subject to fine, imprisonment, or payment of an investigation fee for starting or doing work without a permit being first obtained, if a permit is obtained for the work on or before 12:00 noon of the third day the office of the Department is open for public business after the work was started.
103.1.1.5 Transfer of Permits and PlanChecks.
103.1.2 Permits Not Required.
103.1.2.1 General.
103.1.2.2 General Repairs.
103.1.2.3 Stoppages and Leaks.
52 103.1.2.4 Gas Piping.
103.1.2.5 A separate plumbing permit shall not be required for the installation of any plumbing system for which a combined building-mechanical permit has been obtained pursuant to LAMC Subdivision 91.107.2.2.
103.1.2.6 No permit shall be required for the capping of a private sewage disposal system where a grading permit is required.
103.1.2.7 Water Heater Repair.
103.1.2.8 Resetting of Fixtures.
103.1.2.9 High Efficiency Fixtures.
103.1.2.10 Rainwater Systems.
103.1.2.11 Exhibition.
103.1.2.12 Certified Licensed Contractors.
103.2 Application for Permit.
53 103.2.1 Plans and Specifications.
103.2.2 Information on Plans and Specifications.
103.3 Permit Issuance.
103.3.1 Retention of Plans.
103.3.2 Validity of Permit.
103.3.3 Expiration of Permits.
103.3.4 Suspension or Revocation.
103.4 Fees.
103.4.1 Permit Fees.
103.4.2 Plan Check Fees.
103.4.2.1 Plumbing drainage and vent piping, fuel gas piping, gas vents, rainwater piping, subsurface drainage piping and water piping.
103.4.2.2 In addition to the fee specified in LAMC Section 103.4.2.1, a plan checking fee shall be assessed for checking the following systems:
54 103.4.3 Expiration of Permit and Plan Check.
103.4.4 Investigation Fees.
103.4.5 Refund of Fees.
103.4.6 Additional Permit and Inspection Fees.
103.4.6.1 Miscellaneous Equipment.
103.4.6.2 Miscellaneous Piping.
103.4.6.3 Additional Inspections.
103.4.6.4 Off-Hour Inspections.
103.4.6.5 Off-Site Inspection.
103.4.6.6 Change of Address and Transfer of Permit or Plan Checks.
103.4.6.7 Critical Soil Survey.
103.4.7 Additional Plan Check Fees.
103.4.7.1 Hourly Plan Check Fee.
103.4.7.2 Off-hour Plan Check Fee.
103.4.7.3 Energy Plan Check Fee.
103.4.8 Systems Development Surcharge.
103.4.9 Development Services Centers Surcharge.
55 Table
Table 103.4 Plumbing Permit Fee Schedule
57 103.5 Inspections.
103.5.1 Water Supply System.
103.5.2 New Plumbing Work.
103.5.3 Covering or Using.
103.5.4 Uncovering.
103.5.5 Operation of Plumbing Equipment.
103.5.6 Testing of Systems.
103.5.6.1 Test.
103.5.6.2 Test Waived.
103.5.6.3 Exceptions.
103.5.6.4 Tightness.
103.5.7 Inspection Requests.
103.5.7.1 Advance Notice.
103.5.7.2 Responsibility.
103.5.7.3 Test Equipment.
103.5.8 Other Inspections.
103.5.8.1 Defective Systems.
103.5.8.2 Moved Structures.
58 103.5.9 Reinspections.
103.5.9.1 Corrections.
103.5.9.2 Retesting.
103.5.9.3 Approval.
103.6 Connection Approval.
103.6.1 Other Connections.
103.6.2 Temporary Connections.
103.7 Unconstitutional.
103.8 Validity.
103.9 Reserved.
103.10 Certificate of Final Inspection.
103.10.1 Fees.
103.10.2 Approval.
103.10.3 To Whom Issued.
103.11 Qualified Installer.
103.12 Maintenance Certificate of Registration.
103.12.1 A Maintenance Certificate of Registration as defined in Division 2, Article 4, Chapter IX of the LAMC may be issued to the owner or occupant of specified premises for the sole purpose of adding to, altering, maintaining or repairing existing plumbing only on the premises designated.
103.12.2 Issuance.
103.12.3 Validity.
103.12.4 Maintenance Permits.
59 103.13 Certificate of Qualification Required.
103.13.1 Scope.
103.13.1.1 Apprentices and Helpers.
103.13.2 Gas Fitting.
103.13.3 Maintenance Supervisor.
103.13.4 Employment.
103.14 Applications.
103.14.1 Forms.
103.14.2 Information Necessary.
103.14.3 Notarization.
103.14.4 Fees.
103.15 Examinations.
103.15.1 Examination Required.
103.15.2 Experience Required.
103.15.3 Board of Examiners.
103.15.4 Scope of the Examination.
60 103.15.5 Rules and Regulations.
103.15.6 Fitness of Applicant.
103.16 Issuance of Certificate.
103.16.1 Certificate of Registration.
103.16.2 Certificate of Qualification.
103.16.3 Every Certificate of Registration or Qualification shall be issued only by the Department.
103.16.4 Public Utility Corporation.
103.16.5 Partnership, Firm and Corporation.
103.17 Renewal of Certificates.
103.17.1 Certificate of Registration.
103.17.2 Certificate of Qualification.
103.17.3 Delinquent Certificates.
103.18 Exhibition of Certificate.
103.18.1 All persons having a fixed place of business shall keep their Certificates of Registration posted in some conspicuous portion of their place of business during the time the Certificate of Registration is in force.
103.18.2 Every person not having a fixed place of business shall carry his or her Certificate of Registration at all times while doing any construction or work regulated by this Code.
103.18.3 Every journey level plumber shall carry his or her Certificate of Qualification at all times while doing any construction or work regulated by this Code.
103.19 Revocation of Certificate.
103.20 Transfer of Certificate.
62 Chapter 2 – Definitions
64 201.0 General.
201.1 Applicability.
202.0 Definition of Terms.
202.1 General.
203.0 – A –
65 204.0 – B –
205.0 – C –
67 206.0 – D –
68 207.0 – E –
208.0 – F –
209.0 – G –
69 210.0 – H –
70 211.0 – I –
212.0 – J –
71 213.0 – K –
214.0 – L –
72 215.0 – M –
216.0 – N –
73 217.0 – O –
218.0 – P –
74 219.0 – Q –
220.0 – R –
75 221.0 – S –
76 222.0 – T –
223.0 – U –
224.0 – V –
77 225.0 – W –
226.0 – X –
227.0 – Y –
228.0 – Z –
78 Chapter 3 – General Regulations
80 301.0 General.
301.1 Applicability.
301.2 Minimum Standards.
301.2.1 Marking.
301.2.2 Standards.
301.2.3 Plastic Pipe, Plastic Pipe Fittings, and Components.
301.2.4 Cast-Iron Soil Pipe, Fittings, and Hubless Couplings.
301.2.5 Existing Buildings.
301.3 Alternate Materials and Methods of Construction Equivalency.
301.3.1 Testing.
301.3.1.1 Tests.
301.3.1.2 Request by Authority Having Jurisdiction.
301.4 Flood Hazard Areas.
TABLES
81 301.4.1 Coastal High Hazard Areas.
301.5 Alternative Engineered Design.
301.5.1 Permit Application.
301.5.2 Technical Data.
301.5.3 Design Documents.
301.5.4 Design Approval.
301.5.5 Design Review.
301.5.6 Inspection and Testing.
301.6 One- and Two-Family Dwellings.
302.0 Iron Pipe Size (IPS) Pipe.
302.1 General.
303.0 Disposal of Liquid Waste.
303.1 General.
304.0 Connections to Plumbing System Required.
304.1 General.
305.0 Damage to Drainage System or Public Sewer.
305.1 Unlawful Practices.
82 306.0 Industrial Wastes.
306.1 Detrimental Wastes.
306.2 Safe Discharge.
307.0 Location.
307.1 System.
307.2 Ownership.
308.0 Improper Location.
308.1 General.
309.0 Workmanship.
309.1 Engineering Practices.
309.2 Concealing Imperfections.
309.3 Burred Ends.
309.4 Installation Practices.
309.5 Sound Transmission.
310.0 Prohibited Fittings and Practices.
310.1 Fittings.
310.2 Drainage and Vent Piping.
310.3 Waste Connection.
310.4 Use of Vent and Waste Pipes.
310.5 Obstruction of Flow.
310.6 Dissimilar Metals.
310.7 Direction of Flow.
310.8 Screwed Fittings.
310.9 [OSHPD 1, 1R, 2, 3, 4 & 5] Drainage piping over operating and delivery rooms, nurseries, food preparation centers, food-serving facilities, food storage areas, and other sensitive areas shall be kept to a minimum and shall not be exposed.
83 310.10 [OSHPD 1, 1R, 3, 4 & 5] Floor drains, waste traps and handwashing fixtures shall not be installed in operating and delivery rooms.
310.11 [SFM] For applications listed in Section 1.11.0 regulated by the Office of the State Fire Marshal, plastic piping shall not be exposed as a portion of the interior room finish in a building or structure if the piping has a flame-spread rating exceeding 75 when tested in accordance with ASTM E84-77a, “Test for Surface Burning Characteristics of Building Materials.”
310.12 [OSHPD 1, 1R, 2, 4 & 5] Services/Systems andUtilities.
310.13 Telephone and Data Equipment Rooms[OSHPD 1, 1R, 4 & 5].
311.0 Independent Systems.
311.1 General.
312.0 Protection of Piping, Materials, and Structures.
312.1 General.
312.2 Installation.
312.3 Building Sewer and Drainage Piping.
312.4 Corrosion, Erosion, and Mechanical Damage.
312.5 Protectively Coated Pipe.
312.6 Freezing Protection.
312.7 Fire-Resistant Construction.
312.8 Waterproofing of Openings.
312.9 Steel Nail Plates.
312.10 Sleeves.
312.10.1 Building Loads.
312.10.2 Exterior Walls.
312.10.3 Firewalls.
312.11 Structural Members.
312.12 Rodentproofing.
84 312.12.1 Meter Boxes.
312.12.2 Metal Collars.
312.12.3 Tub Waste Openings.
313.0 Hangers and Supports.
313.1 General.
313.2 Material.
313.3 Suspended Piping.
313.4 Alignment.
313.5 Underground Installation.
313.6 Hanger Rod Sizes.
313.7 Gas Piping.
313.8 [OSHPD 1, 1R, 2, 3, 4 & 5] Refer to Title 24, Part 2 of the California Building Code for seismic anchorage and bracing requirements and accommodations for building displacements.
314.0 Trenching, Excavation, and Backfill.
314.1 Trenches.
314.2 Tunneling and Driving.
314.3 Open Trenches.
314.4 Excavations.
314.4.1 Installation of Thermoplastic Pipe and Fittings.
315.0 Joints and Connections.
315.1 Unions.
315.2 Prohibited Joints and Connections.
Table 313.6 Hanger Rod Sizes
85 316.0 Increasers and Reducers.
316.1 General.
317.0 Food-Handling Establishments.
317.1 General.
Table 313.3 Hangers and Supports
86 318.0 Test Gauges.
318.1 General.
318.2 Pressure Tests (10 psi or less).
318.3 Pressure Tests (greater than 10 psi to 100 psi).
318.4 Pressure Tests (exceeding 100 psi).
318.5 Pressure Range.
319.0 [Not permitted for OSHPD 1, 1R, 2, 3, 4 & 5] Medical Gas and Vacuum Systems.
319.1 General.
320.0 Rehabilitation of Piping Systems.
320.1 General.
321.0 Essential Plumbing Provisions.
322.0 Psychiatric Services [OSHPD 1, 1R, 2, 4 & 5].
88 Chapter 4 – Plumbing Fixtures and Fixture Fittings
TABLES
90 401.0 General.
401.1 Applicability.
401.2 Quality of Fixtures.
401.3 Water-Conserving Fixtures and Fittings.
402.0 Installation.
402.1 Cleaning.
402.2 Joints.
402.3 Securing Fixtures.
402.4 Wall-Hung Fixtures.
402.5 Setting.
402.6 Flanged Fixture Connections.
402.6.1 Closet Rings (Closet Flanges).
91 402.6.2 Securing Closet Flanges.
402.6.3 Securing Floor-Mounted, Back-Outlet Water Closet Bowls.
402.7 Supply Fittings.
402.8 Installation.
402.9 Design and Installation of Plumbing Fixtures.
402.10 Slip Joint Connections.
402.11 Future Fixtures.
403.0 Accessible Plumbing Facilities.
403.1 General.
403.2 Fixtures and Fixture Fittings for Persons with Disabilities.
403.3 Exposed Pipes and Surfaces.
404.0 Waste Fittings and Overflows.
404.1 Waste Fittings.
404.2 Overflows.
405.0 Prohibited Fixtures.
405.1 Prohibited Water Closets.
405.2 Prohibited Urinals.
405.3 Miscellaneous Fixtures.
406.0 Special Fixtures and Specialties.
406.1 Water and Waste Connections.
92 406.2 Special Use Sinks.
406.3 Special Use Fixtures.
406.4 Zinc Alloy Components.
407.0 Lavatories.
407.1 Application.
407.2 Water Consumption.
407.2.1 Public Lavatory Faucets.
407.2.2 Residential Lavatory Faucets [HCD 1].
407.2.3 Lavatory Faucets in Common and Public Use Areas [HCD 1 & HCD 2].
407.2.4 Metering Faucets.
407.2.4.1 Metering Faucets [BSC-CG, DSA-SS & DSA-SS/CC].
407.3 Limitation of Hot Water Temperature for Public Lavatories.
407.4 Transient Public Lavatories.
407.5 Waste Outlet.
407.6 Overflow.
408.0 Showers.
408.1 Application.
408.2 Water Consumption.
408.2.1 Single Showerhead [BSC-CG, DSA-SS & DSA-SS/CC].
408.2.2 Multiple Showerheads Serving One Shower [BSC-CG, DSA-SS & DSA-SS/CC].
408.3 Individual Shower and Tub-Shower Combination Control Valves.
93 408.4 Waste Outlet.
408.5 Finished Curb or Threshold.
408.6 Shower Compartments.
408.7 Lining for Showers and Receptors.
94 408.7.1 PVC Sheets.
408.7.2 Chlorinated Polyethylene (CPE) Sheets.
408.7.3 Sheet Lead.
408.7.4 Sheet Copper.
408.7.5 Tests for Shower Receptors.
408.8 Public Shower Floors.
408.9 Location of Valves and Heads.
408.10 Water Supply Riser.
409.0 Bathtubs and Whirlpool Bathtubs.
409.1 Application.
409.2 Waste Outlet.
409.3 Overflow.
409.4 Limitation of Hot Water in Bathtubs and Whirlpool Bathtubs.
409.5 Backflow Protection.
409.6 Installation and Access.
409.6.1 Flexible PVC Hoses and Tubing.
410.0 Bidets.
410.1 Application.
410.2 Backflow Protection.
410.3 Limitation of Water Temperature in Bidets.
411.0 Water Closets.
411.1 Application.
95 411.2 Water Consumption.
411.2.1 Dual Flush Water Closets.
411.2.2 Flushometer Valve Activated Water Closets.
411.2.2.1 Flushometer Valve Activated Water Closets [BSC-CG, DSA-SS & DSA-SS/CC].
411.2.3 Performance [HCD 1 & HCD 2].
411.2.4 Water Closets [BSC-CG, DSA-SS & DSA-SS/CC].
411.3 Water Closet Seats.
411.4 Personal Hygiene Devices.
412.0 Urinals.
412.1 Application.
412.1.1 Wall-Mounted Urinals [BSC-CG, DSA-SS& DSA-SS/CC].
412.1.2 Floor-Mounted Urinals [BSC-CG, DSA-SS & DSA-SS/CC].
412.1.3 Nonwater Urinals.
412.1.3.1 Urinal, Hybrid [BSC-CG].
412.2 Backflow Protection.
413.0 Flushing Devices.
413.1 Where Required.
413.2 Flushometer Valves.
96 413.3 Flush Tanks.
413.4 Water Supply for Flush Tanks.
413.5 Overflows in Flush Tanks.
414.0 Dishwashing Machines.
414.1 Application.
414.2 Backflow Protection.
414.3 Drainage Connection.
414.4 Commercial Dishwashers.
414.5 Domestic Dishwashers.
415.0 Drinking Fountains.
415.1 Application.
415.2 Drinking Fountain Alternatives.
415.3 Drainage Connection.
415.4 Location.
416.0 Emergency Eyewash and Shower Equipment.
416.1 Application.
416.2 Water Supply.
416.3 Installation.
416.4 Location.
416.5 Drain.
417.0 Faucets and Fixture Fittings.
417.1 Application.
417.1.1 Wash Fountains [BSC-CG, DSA-SS & DSA-SS/CC].
417.1.2 Metering Faucets for Wash Fountains [BSCCG, DSA-SS & DSA-SS/CC].
97 417.2 Deck Mounted Bath/Shower Valves.
417.3 Handheld Showers.
417.4 Faucets and Fixture Fittings with Hose Connected Outlets.
417.5 Separate Controls for Hot and Cold Water.
418.0 Floor Drains.
418.1 Application.
418.2 Strainer.
418.3 Location of Floor Drains.
418.4 Food Storage Areas.
418.5 Floor Slope.
419.0 Food Waste Disposers.
419.1 Application.
419.2 Drainage Connection.
419.3 Water Supply.
420.0 Sinks.
420.1 Application.
420.2 Water Consumption.
420.2.1 Kitchen Faucets [BSC-CG, DSA-SS & DSA-SS/CC].
420.2.2 Kitchen Faucets [HCD 1].
98 420.3 Pre-Rinse Spray Valve.
420.4 Waste Outlet.
421.0 Floor Sinks.
421.1 Application.
421.2 Strainers.
422.0 Minimum Number of Required Fixtures.
422.1 Fixture Count.
422.1.1 Family or Assisted-Use Toilet and Bathing Facilities.
422.1.2 [DSA-AC] Effective January 1, 1990, in new construction and those existing facilities which occupancy type are listed in Tables 422.1 and 4-4 for public use, which apply for permit to undertake construction, structural alterations, repairs or improvement which exceed 50 percent of the square footage of the entire facility, shall install water closets, urinals, lavatories and drinking fountains as stipulated in Tables 422.1 and 4-4 for public use.
422.1.3 [OSHPD 1, 1R, 2, 3, 4 & 5] OSHPD facilities shall also comply with requirements of the California Building Code, Chapters 1224,1225, 1226, 1227 and 1228 in addition to total occupant load and occupancy classification for determination of minimum number of fixtures.
422.2 Separate Facilities.
422.2.1 Single Use Toilet Facilities.
422.2.2 Family or Assisted-Use Toilet Facilities.
422.3 Fixture Requirements for Special Occupancies.
422.3.1 [OSHPD 1, 1R, 2, 3, 4 & 5] Separate toilet facilities shall be provided for the use of patients, staff personnel and visitors.
99 422.4 Toilet Facilities Serving Employees and Customers [Not adopted for OSHPD 1, 1R, 2, 3, 4 & 5].
422.4.1 Access to Toilet Facilities.
422.5 Toilet Facilities for Workers.
422.6 [CA] Cosmetology.
422.7 [CA] Cosmetology Establishments.
422.8 [DPH] Commissaries Serving Mobile Food Preparation Units.
422.9 [DPH] Employee Lavatories in Food Establishments.
100 Table 422.1 Minimum Plumbing Facilities
105 Table A Occupant Load Factor:
106 Table 4-2
110 Table 4-3
Table 4-4
112 Chapter 5 – Water Heaters
114 501.0 General.
501.1 Applicability.
502.0 Permits.
502.1 General.
503.0 Inspection.
503.1 Inspection of Chimneys or Vents.
503.2 Final Water Heater Inspection.
504.0 Water Heater Requirements.
504.1 Location.
504.1.1 Self-Closing Doors.
504.1.2 Gasketing.
504.2 Vent.
504.3 Clearance.
TABLES
Table 501.1(1) Water Heaters
Table 501.1(2) First Hour Rating
FIGURES
115 504.3.1 Listed Water Heaters.
504.3.2 Unlisted Water Heaters.
504.4 Pressure-Limiting Devices.
504.5 Temperature-Limiting Devices.
504.6 Temperature, Pressure, and Vacuum Relief Devices.
505.0 Oil-Burning and Other Water Heaters.
505.1 Water Heaters.
505.2 Safety Devices.
505.3 Oil-Fired Water Heaters.
505.4 Indirect-Fired Water Heaters.
505.4.1 Single-Wall Heat Exchanger.
506.0 Air for Combustion and Ventilation.
506.1 General.
506.1.1 Other Types of Appliances.
506.1.2 Draft Hood and Regulators.
506.1.3 Makeup Air.
506.2 Indoor Combustion Air.
116 506.2.1 Standard Method.
506.2.2 Known Air Infiltration Rate Method.
506.3 Indoor Opening Size and Location.
506.4 Outdoor Combustion Air.
506.4.1 Two Permanent Openings Method.
Figure 506.3 Combustion Air From Adjacent Indoor Spaces Through Indoor Combustion Air Openings
117 Figure 506.4.1(1) Combustion Air From Outdoors Inlet Air From Ventilated Crawl Space And Outlet Air To Ventilated Attic
Figure 506.4.1(2) Combustion Air From Outdoors Through Ventilated Attic
Figure 506.4.1(3) Combustion Air From Outdoors Through Horizontal Ducts
Figure 506.4.2 Combustion Air From Outdoors Through Single Combustion Air Opening
118 506.4.2 One Permanent Opening Method.
506.5 Combination Indoor and Outdoor Combustion Air.
506.5.1 Indoor Openings.
506.5.2 Outdoor Openings.
506.5.3 Outdoor Opening(s) Size.
506.6 Engineered Installations.
506.7 Mechanical Combustion Air Supply.
506.7.1 Exhaust Fans.
506.7.2 Interlock.
506.7.3 Specified Combustion Air.
506.8 Louvers, Grilles, and Screens.
506.8.1 Minimum Screen Mesh Size.
506.8.2 Motorized Louvers.
506.9 Combustion Air Ducts.
119 507.0 Appliance and Equipment Installation Requirements.
507.1 Dielectric Insulator.
507.2 Seismic Provisions.
507.3 Appliance Support.
507.3.1 Structural Capacity.
507.4 Ground Support.
507.5 Drainage Pan.
507.6 Added or Converted Equipment or Appliances.
507.7 Types of Gases.
507.8 Safety Shutoff Devices for Unlisted LP-Gas Appliance Used Indoors.
507.9 Use of Air or Oxygen Under Pressure.
507.10 Protection of Gas Appliances from Fumes or Gases other than Products of Combustion.
507.11 Process Air.
507.12 Flammable Vapors.
120 507.13 Installation in Residential Garages.
507.13.1 Physical Damage.
507.13.2 Access from the Outside.
507.14 Installation in Commercial Garages.
507.14.1 Parking Structures.
507.14.2 Repair Garages.
507.15 Installation in Aircraft Hangars.
507.16 Venting of Flue Gases.
507.17 Extra Device or Attachment.
507.18 Adequate Capacity of Piping.
507.19 Avoiding Strain on Gas Piping.
507.20 Gas Appliance Pressure Regulators.
507.21 Venting of Gas Appliance Pressure Regulators.
507.22 Bleed Lines for Diaphragm-Type Valves.
121 507.23 Combination of Appliances and Equipment.
507.24 Installation Instructions.
507.25 Protection of Outdoor Appliances.
507.26 Accessibility for Service.
507.27 Clearance to Combustible Materials.
508.0 Appliances on Roofs.
508.1 General.
508.1.1 Load Capacity.
508.1.2 Fasteners.
508.2 Installation of Appliances on Roofs.
508.2.1 Clearance.
508.2.2 Electrical Power.
508.2.3 Platform or Walkway.
508.3 Appliances on Roofs.
508.3.1 Access.
508.3.2 Access Type.
508.3.3 Permanent Lighting.
508.4 Appliances in Attics and Under-Floor Spaces.
122 508.4.1 Length of Passageway.
508.4.2 Width of Passageway.
508.4.3 Work Platform.
508.4.4 Lighting and Convenience Outlet.
509.0 Venting of Appliances.
509.1 Listing.
509.1.1 Installation.
509.1.2 Prohibited Discharge.
509.2 Connection to Venting Systems.
509.2.1 Appliances Not Required to be Vented.
509.2.2 Maximum Input Rating.
509.2.3 Adjacent Room or Space.
509.2.4 Ventilating Hoods.
509.2.5 Well-Ventilated Spaces.
509.2.6 Direct-Vent Appliances.
509.2.7 Appliances with Integral Vents.
509.3 Design and Construction.
509.3.1 Appliance Draft Requirements.
509.3.2 Appliance Venting Requirements.
509.3.3 Mechanical Draft Systems.
509.3.3.1 Venting.
509.3.3.2 Leakage.
123 509.3.3.3 Vent Connectors.
509.3.3.4 Operation.
509.3.3.5 Exit Terminals.
509.3.4 Ventilating Hoods and Exhaust Systems.
509.3.4.1 Automatically Operated Appliances.
509.3.5 Circulating Air Ducts and Furnace Plenums.
509.3.6 Above-Ceiling or Nonducted Air Handling System.
509.4 Type of Venting System to be Used.
509.4.1 Plastic Piping.
509.4.2 Plastic Vent Joints.
509.4.3 Special Gas Vents.
Table 509.4 Type of Venting System to be Used
124 509.5 Masonry, Metal, and Factory-Built Chimneys.
509.5.1 Factory-Built Chimneys.
509.5.1.1 Decorative Shrouds.
509.5.1.2 Listing Requirements.
509.5.2 Metal Chimneys.
509.5.3 Masonry Chimneys.
509.5.4 Termination.
509.5.4.1 Medium-Heat Gas Appliances.
509.5.4.2 Chimney Height.
509.5.4.3 Decorative Shrouds.
509.5.5 Size of Chimneys.
509.5.6 Inspection of Chimneys.
509.5.6.1 Standard.
509.5.6.2 Cleanouts.
509.5.6.3 Existing Chimney.
509.5.7 Chimney Serving Appliances Burning Other Fuels.
509.5.7.1 Gas and Liquid Fuel-Burning Appliances.
125 509.5.7.2 Gas and Solid Fuel-Burning Appliances.
509.5.7.3 Combination Gas- and Oil-Burning Appliances.
509.5.8 Support of Chimneys.
509.5.9 Cleanouts.
509.5.10 Space Surrounding Lining or Vent.
509.5.10.1 Combustion Air.
509.6 Gas Vents.
Figure 509.5.4 Typical Termination Locations For Chimneys And Single-Wall Metal Pipes Serving Residential-Type And Low-Heat Appliance
126 509.6.1 Termination Requirements.
509.6.1.1 Type B and L Vents.
509.6.1.2 Type B-W Vents.
509.6.1.3 Exterior Wall Termination.
509.6.1.4 Decorative Shrouds.
509.6.1.5 Termination Cap.
509.6.1.6 Forced Air Inlet.
509.6.1.7 Insulation Shield.
Table 509.6.1 Roof Slope Heights
Figure 509.6.1 Termination Locations For Gas Vents With Listed Caps 12 Inches Or Less In Size At Least 8 Feet From A Vertical Wall
127 509.6.2 Size of Gas Vents.
509.6.2.1 Category I Appliances.
509.6.2.2 Vent Offsets.
509.6.2.3 Category II, Category III, and Category IV Appliances.
509.6.2.4 Sizing.
509.6.3 Gas Vents Serving Appliances on More than One Floor.
509.6.3.1 Occupiable Space.
509.6.3.2 Multistory Venting System.
Figure 509.6.3.1 Plan View Of Practical Separation Method For Multistory Gas Venting
128 509.6.4 Support of Gas Vents.
509.6.5 Marking.
509.7 Single-Wall Metal Pipe.
509.7.1 Cold Climate.
509.7.2 Termination.
509.7.3 Installation with Appliances Permitted by Section 509.4.
509.7.3.1 Limitations.
509.7.3.2 Attic or Concealed Space.
509.7.3.3 Incinerator.
509.7.3.4 Clearances.
509.7.3.5 Combustible Exterior Wall.
Table 509.7.3.4(1) Clearance for Connectors
129 509.7.3.6 Roof Thimble.
509.7.4 Size of Single-Wall Metal Pipe.
509.7.4.1 Sizing of Venting System.
Figure 509.7.3.4(1) Extent Of Protection Necessary to Reduce Clearances From Gas Appliances or Vent Connectors
Figure 509.7.3.4(2) Wall Protection Reduction System
Figure 509.7.3.4(3) Masonry Clearance Reduction System
130 Table 509.7.3.4(2) Reduction of Clearances with Specified Forms of Protection
131 509.7.4.2 Non-Round Metal Pipe.
509.7.4.3 Venting Capacity.
509.7.5 Support of Single-Wall Metal Pipe.
509.7.6 Marking.
509.8 Through-the-Wall Vent Termination.
509.8.1 Mechanical Draft Venting System.
509.8.2 Direct-Vent Appliance.
Figure 509.8 Exit Terminals Of Mechanical Draft And Direct-Vent Venting Systems
132 509.8.3 Category I through Category IV and Non-Categorized Appliances.
509.8.4 Annular Spaces.
509.8.5 Vent Terminals.
509.9 Condensation Drain.
509.9.1 Local Experience.
509.10 Vent Connectors for Category I Appliances.
509.10.1 Materials.
509.10.1.1 Unconditioned Area.
509.10.1.2 Residential-Type Appliances.
509.10.1.3 Non-Residential Low-Heat Appliances.
509.10.1.4 Medium-Heat Appliances.
133 509.10.2 Size of Vent Connector.
509.10.2.1 Manifold.
509.10.2.2 Size.
509.10.2.3 Height.
509.10.2.4 Size Increase.
509.10.3 Two or More Appliances Connected to a Single Vent.
509.10.3.1 Height of Connector.
509.10.3.2 Pressure.
509.10.4 Clearance.
Table 509.10.1.3 Minimum Thickness for Galvanized Steel Vent Connectors for Low-Heat Appliances
Table 509.10.1.4 Minimum Thickness for Steel Vent Connectors for Medium-Heat Appliances
134 509.10.5 Joints.
509.10.6 Slope.
509.10.7 Length of Vent Connector.
509.10.7.1 Single Wall Connector.
509.10.7.2 Type B Double Wall Connector.
509.10.8 Support.
509.10.9 Chimney Connection.
509.10.10 Inspection.
509.10.11 Fireplaces.
509.10.12 Passage through Ceilings, Floors, or Walls.
509.10.12.1 Medium-Heat Appliances.
509.11 Vent Connectors for Category II, Category III, and Category IV Appliances.
509.12 Draft Hoods and Draft Controls.
509.12.1 Installation.
509.12.2 Draft Control Devices.
135 509.12.3 Additional Devices.
509.12.4 Location.
509.12.5 Positioning.
509.12.6 Clearance.
509.13 Manually Operated Dampers.
509.14 Automatically Operated Vent Dampers.
509.14.1 Listing.
509.15 Obstructions.
510.0 Sizing of Category I Venting Systems.
510.1 Single Appliance Vent Table 510.1.2(1) through Table 510.1.2(6).
510.1.1 Vent Downsizing.
510.1.2 Elbows.
136 510.1.3 Zero Lateral.
510.1.4 High-Altitude Installations.
510.1.5 Multiple Input Ratings.
510.1.6 Corrugated Chimney Liner Reduction.
510.1.7 Connection to Chimney Liners.
510.1.8 Vertical Vent Upsizing Using 7 x Rule.
510.1.9 Draft Hood Conversion Accessories.
510.1.10 Chimney and Vent Locations.
510.1.11 Corrugated Vent Connector Size.
510.1.12 Upsizing.
510.1.13 Single Run of Vent.
510.1.14 Interpolation.
510.1.15 Extrapolation.
510.1.16 Engineering Methods.
510.1.17 Height Entries.
510.2 Multiple Appliance Vent Table 510.2(1) through Table 510.2(9).
137 510.2.1 Vent Connector Maximum Length.
510.2.2 Vent Connector Exceeding Maximum Length.
510.2.3 Vent Connector Manifold.
510.2.4 Vent Offset.
510.2.5 Elbow Reduction.
510.2.6 Elbows in Connectors.
Table 510.2.1 Vent Connector Maximum Length
138 510.2.7 Common Vent Minimum Size.
510.2.8 Tee and Wye Fittings.
510.2.9 Size of Fittings.
510.2.10 High-Altitude Installations.
510.2.11 Connector Rise.
510.2.12 Vent Height.
510.2.13 Multistory Installations.
510.2.14 Size of Vents for Multistory Installations.
510.2.15 Vent Type Multistory Installations.
510.2.16 Offsets in Multistory Installations.
510.2.17 Vertical Vent Size Limitation.
510.2.18 Multiple Input Ratings.
510.2.19 Corrugated Metallic Chimney Liner Reduction.
510.2.20 Chimneys and Vents.
139 510.2.21 Vent Connector Sizing.
510.2.22 Combination of Pipe Types and Sizes.
510.2.23 Multiple Connector and Vent Sizes.
510.2.24 Interpolation.
510.2.25 Extrapolation.
510.2.26 Engineering Methods.
510.2.27 Height Entries.
140 Figure 510.1.10 Range Of Winter Design Temperatures Used In Analyzing Exterior Masonry Chimneys In The United States
141 Table 510.1.2(1) Type B Double-Wall Gas Vent
144 Table 510.1.2(2) Type B Double-Wall Gas Vent
146 Table 510.1.2(3) Masonry Chimney
148 Table 510.1.2(4) Masonry Chimney
150 Table 510.1.2(5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent
151 Table 510.1.2(6) Exterior Masonry Chimney
152 Table 510.2(1) Type B Double-Wall Vent
156 Table 510.2(2) Type B Double-Wall Vent
158 Table 510.2(3) Masonry Chimney
160 Table 510.2(4) Masonry Chimney
162 Table 510.2(5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent
Table 510.2(6) Exterior Masonry Chimney
163 Table 510.2(7) Exterior Masonry Chimney
164 Table 510.2(8) Exterior Masonry Chimney
165 Table 510.2(9) Exterior Masonry Chimney
166 Chapter 6 – Water Supply and Distribution
168 601.0 General.
601.1 Applicability.
601.2 Hot and Cold Water Required.
601.2.1 Submeters.
601.3 Identification of a Potable and Nonpotable Water System.
601.3.1 Potable Water.
601.3.2 Color and Information.
601.3.3 Alternate Water Sources.
TABLES
FIGURE
Figure 601 International Symbol
169 601.3.4 Fixtures.
601.3.5 Outlets.
601.4 [CA] Schools of Cosmetology and Cosmetological Establishments.
601.4.1 Hot- and Cold-Running Water.
601.4.2 Handwashing Facilities.
601.4.3 Drinking Water.
601.5 [AGR] Meat and Poultry Processing Plants.
601.5.1 A supply of hot water shall be available.
601.5.2 Hose connections with steam and water-mixing valves or hot-water hose connections shall be provided at locations throughout the plant.
601.5.3 The refuse rooms shall be provided with facilities for washing refuse cans and other equipment in the rooms.
601.5.4 Non-potable water is permitted only in those parts of official plants where no product is handled or prepared, and then only for limited purposes, such as on condensers not connected with the potable water supply,
601.5.5 Equipment using potable water shall be so installed as to prevent back-siphonage into the potable water system.
601.5.6 All pipelines, reservoirs, tanks, cooling towers and like equipment employed in handling reused water shall be constructed and installed so as to facilitate their cleaning and inspection.
601.5.7 Hot water of such temperature as to accomplish a thorough cleanup shall be delivered under pressure to outlets.
601.5.7.1 An ample supply of water at not less than180°F (82°C) shall be available when used for sanitizing purposes.
601.5.8 Pens, alleys, and runways shall have hose connectionsfor cleanup purposes.
601.6 [AGR] Collection Centers and Facilities.
601.6.1 The water supply shall be ample with facilities for its distribution.
601.6.2 The vehicle cleaning and sanitizing area shall be provided with adequate line steam, producing a temperature of at least 180°F (82°C), or other suitable method.
601.6.3 Hose connections with steam and water-mixing valves of hot-and cold-water hose connections shall be provided at locations throughout the building and at unloading and vehicle cleaning slabs.
Table 601.3.2 Minimum Length Of Color Field And Size Of Letters
170 601.7 [AGR] Renderers.
601.8 [AGR] Horse Meat and Pet Food Establishments.
601.8.1 The water supply shall be ample, clean and potable, with facilities for its distribution in the plant, and its protection against contamination and pollution.
601.8.1.1 Equipment using potable water shall be so installed as to prevent back-siphonage into the potable water system.
601.8.1.2 Non-potable water is permitted only in those parts of official plants where no edible product is handled or prepared, and then only for limited purposes, such as on ammonia condensers not connected with the potable water supply, in vapor lines serving inedible product rendering tanks, in connection with equipment used for washing and washing inedible products preparatory to tanking, and in sewer lines for moving heavy solids in sewage.
601.8.2 All pipelines, reservoirs, tanks, cooling towers, and like equipment employed in handling reused water shall be constructed and installed so as to facilitate their cleaning and inspection.
601.8.3 Hot water for cleaning rooms and equipment shall be delivered under pressure to outlets and shall be of such temperature as to accomplish a thorough cleanup.
601.8.3.1 An ample supply of water at not less than 180°F (82°C) shall be available when used for sanitizing purposes.
601.8.4 Pens, alleys, and runways shall have hose connections for cleanups purposes.
602.0 Unlawful Connections.
602.1 Prohibited Installation.
602.2 Cross-Contamination.
602.3 Backflow Prevention.
602.4 Approval by Authority.
603.0 Cross-Connection Control.
603.1 General.
603.2 Approval of Devices or Assemblies.
603.3 Backflow Prevention Devices, Assemblies, and Methods.
171 Table 603.2 Backflow Prevention Devices, Assemblies, And Methods
173 603.3.1 Air Gap.
603.3.2 Atmospheric Vacuum Breaker (AVB).
603.3.3 Hose Connection Backflow Preventer.
603.3.4 Double Check Valve Backflow Prevention Assembly (DC).
603.3.5 Pressure Vacuum Breaker Backflow Prevention Assembly (PVB).
603.3.6 Spill-Resistant Pressure Vacuum Breaker (SVB).
603.3.7 Reduced-Pressure Principle Backflow Prevention Assembly (RP).
603.3.8 Double Check Detector Fire Protection Backflow Prevention Assembly.
603.3.9 Reduced Pressure Detector Fire Protection Backflow Prevention Assembly.
603.4 General Requirements.
603.4.1 Backflow Prevention Valve.
603.4.2 Testing.
603.4.3 Access and Clearance.
Table 603.3.1 Minimum Air Gaps For Water Distribution
174 603.4.4 Connections.
603.4.5 Hot Water Backflow Preventers.
603.4.6 Integral Backflow Preventers.
603.4.7 Freeze Protection.
603.4.8 Drain Lines.
603.4.9 Prohibited Locations.
603.5 Specific Requirements.
603.5.1 Atmospheric Vacuum Breaker.
603.5.2 Ballcock.
603.5.3 Backflow Prevention.
603.5.4 Heat Exchangers.
603.5.5 Water Supply Inlets.
603.5.6 Protection from Lawn Sprinklers and Irrigation Systems.
603.5.6.1 Systems with Pumps.
603.5.6.2 Systems with Backflow Devices.
175 603.5.6.3 Systems with Chemical Injectors.
603.5.7 Outlets with Hose Attachments.
603.5.8 Water-Cooled Equipment.
603.5.9 Aspirators.
603.5.10 Steam or Hot Water Boilers.
603.5.11 Nonpotable Water Piping.
603.5.12 Beverage Dispensers.
603.5.13 Deck-Mounted and Equipment-Mounted Vacuum Breakers.
603.5.14 Protection from Fire Systems.
603.5.15 Health Care or Laboratory Areas.
603.5.16 Special Equipment.
603.5.17 Potable Water Outlets and Valves.
176 603.5.18 Pure Water Process Systems.
603.5.18.1 Dialysis Water Systems.
603.5.19 Plumbing Fixture Fittings.
603.5.20 Swimming Pools, Spas, and Hot Tubs.
603.5.21 Chemical Dispensers.
604.0 Materials.
604.1 Pipe, Tube, and Fittings.
604.1.1 Local Authority to Approve CPVC Pipe Within Residential Buildings Under Specified Conditions.
177 Table 604.1 Materials For Building Supply And Water Distribution Piping And Fittings
178 604.1.2 PEX.
604.2 Lead Content.
604.2.1 Lead Content of Water Supply Pipe and Fittings.
604.3 Copper or Copper Alloy Tube.
604.4 Hard-Drawn Copper or Copper Alloy Tubing.
179 604.5 Flexible Connectors.
604.6 Cast-Iron Fittings.
604.7 Malleable Iron Fittings.
604.8 Previously Used Piping and Tubing.
604.9 Epoxy Coating.
604.10 Plastic Materials.
604.10.1 Tracer Wire.
604.11 Solder.
604.12 Flexible Corrugated Connectors.
604.13 Water Heater Connectors.
605.0 Joints and Connections.
605.1 Copper or Copper Alloy Pipe, Tubing, and Joints.
605.1.1 Brazed Joints.
605.1.2 Flared Joints.
605.1.3 Mechanical Joints.
605.1.3.1 Mechanically Formed Tee Fittings.
605.1.3.2 Press-Connect Fittings.
180 605.1.3.3 Push Fit Fittings.
605.1.4 Soldered Joints.
605.1.5 Threaded Joints.
605.2 CPVC Plastic Pipe and Joints.
605.2.1 Mechanical Joints.
605.2.1.1 Push Fit Fittings.
605.2.2 Solvent Cement Joints.
605.2.3 Threaded Joints.
605.3 CPVC/AL/CPVC Plastic Pipe and Joints.
605.3.1 Solvent Cement Joints.
605.3.2 Mechanical Joints.
181 605.3.2.1 Push Fit Fittings.
605.4 Ductile Iron Pipe and Joints.
605.4.1 Mechanical Joints.
605.4.2 Push-On Joints.
605.5 Galvanized Steel Pipe and Joints.
605.5.1 Mechanical Joints.
605.5.2 Threaded Joints.
605.6 PE Plastic Pipe/Tubing and Joints.
605.6.1 Heat-Fusion Joints.
605.6.1.1 Butt-Fusion Joints.
605.6.1.2 Electro-Fusion Joints.
605.6.1.3 Socket-Fusion Joints.
605.6.2 Mechanical Joints.
605.7 PE-AL-PE Plastic Pipe/Tubing and Joints.
605.7.1 Mechanical Joints.
182 605.7.1.1 Compression Joints.
605.8 PE-RT.
605.8.1 Mechanical Joints.
605.9 PEX Plastic Tubing and Joints.
605.9.1 Fittings.
605.9.2 Mechanical Joints.
605.9.3 Push Fit Fittings.
605.10 PEX-AL-PEX Plastic Tubing and Joints.
605.10.1 Mechanical Joints.
605.10.1.1 Compression Joints.
605.11 Polypropylene (PP) Piping and Joints.
605.11.1 Heat-Fusion Joints.
605.11.2 Mechanical and Compression Sleeve Joints.
605.11.3 Threaded Joints.
605.12 PVC Plastic Pipe and Joints.
605.12.1 Mechanical Joints.
183 605.12.2 Solvent Cement Joints.
605.12.3 Threaded Joints.
605.13 Stainless Steel Pipe and Joints.
605.13.1 Mechanical Joints.
605.13.2 Welded Joints.
605.14 Slip Joints.
605.15 Dielectric Unions.
605.16 Joints Between Various Materials.
605.16.1 Copper or Copper Alloy Pipe or Tubing to Threaded Pipe Joints.
605.16.2 Plastic Pipe to Other Materials.
605.16.3 Stainless Steel to Other Materials.
606.0 Valves.
606.1 General.
606.2 Fullway Valve.
606.3 Multidwelling Units.
606.4 Multiple Openings.
606.5 Control Valve.
184 606.6 Accessible.
606.7 Multiple Fixtures.
606.8 [OSHPD 1, 1R, 2, 3, 4 & 5] Each riser or branch shall be provided with an accessible sectionalizing valve in hot-and cold-water systems to permit servicing or replacement of piping or equipment.
607.0 Potable Water Supply Tanks.
607.1 General.
607.2 Potable Water Tanks.
607.3 Venting.
607.4 Overflow.
607.5 Valves.
608.0 Water Pressure, Pressure Regulators, Pressure Relief Valves, and Vacuum Relief Valves.
608.1 Inadequate Water Pressure.
608.2 Excessive Water Pressure.
608.3 Expansion Tanks, and Combination Temperature and Pressure-Relief Valves.
608.4 Pressure Relief Valves.
608.5 Discharge Piping.
185 608.6 Water-Heating Devices.
608.7 Vacuum Relief Valves.
609.0 Installation, Testing, Unions, and Location.
609.1 Installation.
609.2 Trenches.
609.3 Under Concrete Slab.
609.4 Testing.
609.5 Unions.
609.6 Location.
609.7 Abutting Lot.
186 609.8 Low-Pressure Cutoff Required on Booster Pumps for Water Distribution Systems.
609.9 Disinfection of Potable Water System.
609.10 Water Hammer.
609.10.1 Mechanical Devices.
609.11 Pipe Insulation.
609.11.1 Insulation Requirements.
609.11.2 Pipe Insulation Wall Thickness.
610.0 Size of Potable Water Piping.
610.1 Size.
610.2 Pressure Loss.
610.3 Quantity of Water.
610.4 Sizing Water Supply and Distribution Systems.
187 Table 610.3 Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes
188 Table 610.4 Fixture Unit Table For Determining Water Pipe and Meter Sizes
189 610.4.1 Hot Water Delivery.
610.4.1.1 The hot water system shall not allow more than 0.6 gallons of water to be delivered to any fixture before hot water arrives.
610.4.1.2 Where a hot water recirculation or electric resistance heat trace wire system is installed, the branch from the recirculating loop or electric resistance heat trace wire to the fixture shall contain a maximum of 0.6 gallons.
610.4.1.3 Residential units having individual water heaters shall have a compact hot water system that meets all of the following:
610.5 Sizing per Appendices A and C.
610.6 Friction and Pressure Loss.
610.7 Conditions for Using Table 610.4.
610.8 Size of Meter and Building Supply Pipe Using Table 610.4.
610.9 Size of Branches.
610.10 Sizing for Flushometer Valves.
190 610.11 Sizing Systems for Flushometer Tanks.
610.12 Sizing for Velocity.
610.12.1 Copper Tube Systems.
610.12.2 Tubing Systems Using Copper Fittings.
610.13 Exceptions.
611.1 Application.
611.2 Air Gap Discharge.
611.3 Connection Tubing.
611.4 Sizing of Residential Softeners.
Table 610.10 Flushometer Fixture Units For Water Sizing Using Table 610.3
191 611.0 Drinking Water Treatment Units.
612.0 Residential Fire Sprinkler Systems.
613.0 [OSHPD 1, 1R, 2, 3, 4 & 5] Domestic Hot-Water Distribution Systems for Health Facilities and Clinics.
613.1 The domestic water-heating equipment and distribution systems shall supply water at the temperature and amounts shown in Table 613.1.
613.2 At least two pieces of hot-water-heating equipment shall be provided to supply hot water for dishwashing and minimum patient services such as handwashing and bathing.
613.3 Instantaneous heaters are permitted for supplying hot water to handwashing and bathing fixtures if a continuous mechanical recirculation system is also provided.
613.4 Water storage tanks shall be fabricated of corrosion-resistant materials or lined with corrosion-resistant materials.
613.5 Temperature control valves shall be provided to automatically regulate the temperature of hot water delivered to plumbing fixtures used by patients to a range of 105°F (41°C) minimum to 120°F (49°C) maximum.
613.6 Hot-water distribution system serving patient care areas shall be under constant mechanical recirculation to provide continuous hot water at each hot water outlet.
613.7 At fixtures where water exceeding 125°F (52°C) is accessible to patients or personnel, warning signs in letters at least 2 inches (51 mm) high shall be posted above the fixtures.
613.8 Sectionalizing valves shall be provided as required by Section 606.8.
Table 611.4 Sizing Of Residential Water Softeners
Table 613.1 [OSHPD 1, 1R, 2, 3, 4 & 5] Hot Water Use
192 614.0 Dialysis Water-Distribution Systems.
614.1 [OSHPD 1, 1R, 2, 3, 4 & 5] Dialysis water feedlines shall be PVC (polyvinyl chloride), glass, stainless steel, or PVDF (polyvinylidene fluoride) and sized to provide a minimum velocity of 1.5 feet per second (0.46 m/s).
614.2 All piping for multistation or central dialysis units shall be rigid where possible.
614.3 All valves shall be located in accessible locations.
614.4 Piping and valves shall be identified according to their function.
614.5 A means of preventing backwashing or flushing of the system when one or more stations are in operation shall be provided.
614.6 A continuous audible alarm shall sound at the nurses’ station and remote equipment rooms when the minimum velocity is not maintained, or if backwashing or flushing is attempted while one or more stations are in operation.
614.7 Water used for dialysis treatment shall meet the latest edition of ANSI/American Association of Medical Instrumentations(AAMI) RD62, Water treatment equipment for hemodialysis applications.
614.8 A diagram of all piping as installed shall be posted at the nurses’ station and equipment room of all multistation or central dialysis units.
615.0 Identification of Potable and Nonpotable Water Lines.
615.1 Uses Not Permitted.
615.1.1 [OSHPD 1, 1R, 2, 3, 4 & 5] Nonpotable water shall not be piped for drinking, washing or bathing, washing of clothing, cooking, washing of food, washing of cooking or eating utensils, washing of food preparation or processing premises, or other personal service rooms.
615.2 [OSHPD 1, 1R, 2, 3, 4 & 5] Non-potable water systems or systems carrying any other non-potable substance shall be installed so as to prevent backflow or back-siphonage into a potable water system.
615.3 [OSHPD 1, 1R, 2, 3, 4 & 5] Outlets for non-potable water, such as water for industrial or fire-fighting purposes, shall be posted in a manner understandable to all employees to indicate that the water is unsafe and shall not be used for drinking, washing, cooking or other personal service purposes.
615.4 [OSHPD 1] Emergency Water Supply.
615.4.1 For new acute care hospital buildings submitted after the effective date of this code, the hospital shall have an on-site water supply sufficient to operate essential hospital utilities and equipment in the acute care hospital building, to support 72 hours of continuing operation in the event of an emergency.
615.4.2 The emergency supply of water shall be provided at adequate pressure using gravity, pressure tanks, or booster pumps. Pumps used for this purpose shall be provided with electrical power.
194 Chapter 7 – Sanitary Drainage
196 Part I – Drainage Systems.
701.0 General.
701.1 Applicability.
701.2 Drainage Piping.
701.3 Drainage Fittings.
701.3.1 Screwed Pipe.
701.3.2 Threads.
701.3.3 Type.
701.4 Continuous Wastes.
701.5 Lead.
701.6 Caulking Ferrules.
701.7 Soldering Bushings.
702.0 Fixture Unit Equivalents.
702.1 Trap Size.
TABLES
Table 701.6 Caulking Ferrules
Table 701.7 Soldering Bushings
197 Table 701.2 Materials For Drain, Waste, Vent Pipe And Fittings
198 Table 702.1 Drainage Fixture Unit Values (DFU)
199 702.2 Intermittent Flow.
702.3 Continuous Flow.
703.0 Size of Drainage Piping.
703.1 Minimum Size.
703.2 Maximum Number of Fixture Units.
703.3 Sizing per Appendix C.
704.0 Fixture Connections (Drainage).
704.1 Inlet Fittings.
704.2 Single Vertical Drainage Pipe.
704.3 Commercial Sinks.
705.0 Joints and Connections.
705.1 ABS and ABS Co-Extruded Plastic Pipe and Joints.
705.1.1 Mechanical Joints.
705.1.2 Solvent Cement Joints.
705.1.3 Threaded Joints.
705.2 Cast-Iron Pipe and Joints.
Table 702.2(1) Maximum Drainage Fixture Units For A Trap And Trap Arm
Table 702.2(2) Discharge Capacity In Gallons Per Minute For Intermittent Flow Only
200 705.2.1 Caulked Joints.
705.2.2 Mechanical Joints and Compression Joints.
705.3 Copper or Copper Alloy Pipe (DWV) and Joints.
705.3.1 Brazed Joints.
705.3.2 Mechanical Joints.
705.3.3 Soldered Joints.
Table 703.2 Maximum Unit Loading And Maximum Length Of Drainage And Vent Piping
201 705.3.4 Threaded Joints.
705.4 Galvanized Steel Pipe and Joints.
705.4.1 Mechanical Joints.
705.4.2 Threaded Joints.
705.5 Polyethylene (PE) Sewer Pipe.
705.5.1 Heat-Fusion Joints.
705.5.1.1 Butt-Fusion Joints.
705.5.1.2 Electro-Fusion Joints.
705.5.1.3 Socket-Fusion Joints.
705.6 PVC and PVC Co-Extruded Plastic Pipe and Joining Methods.
705.6.1 Mechanical Joints.
705.6.2 Solvent Cement Joints.
705.6.3 Threaded Joints.
202 705.7 Stainless Steel Pipe and Joints.
705.7.1 Mechanical Joints.
705.7.2 Welded Joints.
705.8 Vitrified Clay Pipe and Joints.
705.8.1 Mechanical Joints.
705.9 Special Joints.
705.9.1 Slip Joints.
705.9.2 Expansion Joints.
705.9.3 Ground Joint, Flared, or Ferrule Connections.
705.9.4 Transition Joint.
705.10 Joints Between Various Materials.
705.10.1 Copper or Copper Alloy Pipe to Cast-Iron Pipe.
705.10.2 Copper or Copper Alloy Pipe to Threaded Pipe Joints.
705.10.3 Plastic Pipe to Other Materials.
705.10.4 Stainless Steel Pipe to Other Materials.
706.0 Changes in Direction of Drainage Flow.
706.1 Approved Fittings.
706.2 Horizontal to Vertical.
706.3 Horizontal to Horizontal.
706.4 Vertical to Horizontal.
203 707.0 Cleanouts.
707.1 Plug.
707.2 Approved.
707.3 Watertight and Gastight.
707.4 Location.
707.5 Cleaning.
707.6 Extension.
707.7 Interceptor.
707.8 Access.
707.9 Clearance.
707.10 Fittings.
707.11 Pressure Drainage Systems.
707.12 Countersunk Cleanout Plugs.
707.13 Hubless Blind Plugs.
707.14 Trap Arms.
708.0 Grade of Horizontal Drainage Piping.
708.1 General.
Table 707.1 Cleanouts
204 709.0 Gravity Drainage Required.
709.1 General.
710.0 Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level.
710.1 Backflow Protection.
710.2 Sewage Discharge.
710.3 Sewage Ejector and Pumps.
710.4 Discharge Line.
710.5 Size of Building Drains and Sewers.
710.6 Backwater Valves.
710.7 Drainage and Venting Systems.
710.8 Sump and Receiving Tank Construction.
710.9 Alarm.
710.10 Sump and Receiving Tank Covers and Vents.
205 710.11 Air Tanks.
710.12 Grinder Pump Ejector.
710.12.1 Discharge Piping.
710.13 Macerating Toilet Systems and Pumped Waste Systems.
710.13.1 Sumps.
710.13.2 Discharge Piping.
710.13.3 Venting.
711.0 Suds Relief.
711.1 General.
712.0 Testing.
712.1 Media.
712.2 Water Test.
712.3 Air Test.
Part II – Building Sewers.
713.0 Sewer Required.
713.1 Where Required.
713.2 Private Sewage Disposal System.
713.3 Public Sewer.
713.4 Public Sewer Availability.
206 713.5 Permit.
713.6 Lot.
713.7 Installation.
714.0 Damage to Public Sewer or Private Sewage Disposal System.
714.1 Unlawful Practices.
714.2 Prohibited Water Discharge.
714.3 Prohibited Sewer Connection.
714.4 Commercial Food Waste Disposer.
714.5 Tanks.
715.0 Building Sewer Materials.
715.1 Materials.
715.2 Joining Methods and Materials.
715.3 Existing Sewers.
716.0 Markings.
716.1 General.
717.0 Size of Building Sewers.
717.1 General.
717.2 [AGR] Meat and Poultry Processing Plants.
718.0 Grade, Support, and Protection of Building Sewers.
718.1 Slope.
Table 717.1 Maximum/Minimum Fixture Unit Loading On Building Sewer Piping
207 718.2 Support.
718.3 Protection from Damage.
719.0 Cleanouts.
719.1 Locations.
719.2 No Additional Cleanouts.
719.3 Building Sewer Cleanouts.
719.4 Cleaning.
719.5 Access.
719.6 Manholes.
720.0 Sewer and Water Pipes.
720.1 General.
721.0 Location.
721.1 Building Sewer.
Table 721.1 Minimum Horizontal Distance Required From Building Sewer (feet)
208 721.2 Abutting Lot.
722.0 Abandoned Sewers and Sewage Disposal Facilities.
722.1 Building (House) Sewer.
722.2 Cesspools, Septic Tanks, and Seepage Pits.
722.3 Filling.
722.4 Ownership.
722.5 Disposal Facilities.
723.0 Building Sewer Test.
723.1 General.
724.0 [AGR] Meat and Poultry Processing Plant Drainage.
724.1 The drainage and plumbing systems must permit the quick runoff of all water from plant buildings, and of surface water around the plant buildings, and of surface water around the plant and on the premises; and all such water shall be disposed of in such a manner as to prevent a nuisance or health hazard.
724.2 Toilet soil lines shall be separated from house drainage lines to a point outside the building unless an automatic back-water check valve is installed to prevent backflow.
725.0 [AGR] Collection Center and Facilities Drainage.
726.0 [AGR] Drainage and Plumbing, General.
726.1 The outer premises of every official establishment, including docks, areas where cars and other vehicles are loaded, driveways, approaches, yards, pens and alleys, shall be drained.
726.2 Toilet soil lines shall be separated from house drainage lines to a point outside the building, and drainage from toilet bowls and urinals shall not be discharged into a grease catch basin.
727.0 [OSHPD 1] Emergency Sanitary Drainage.
727.1 For new acute care hospital buildings submitted after the effective date of this code, the hospital shall have an on site holding tank[s] to store sewage and liquid waste sufficient to operate essential hospital utilities and equipment in the acute care hospital building, to support 72 hours of continuing operation in the event of an emergency.
210 Chapter 8 – Indirect Wastes
212 801.0 General.
801.1 Applicability.
801.2 Air Gap or Air Break Required.
801.3 Food and Beverage Handling Establishments.
801.3.1 Size of Indirect Waste Pipes.
801.3.2 Walk-In Coolers.
801.3.3 Food-Handling Fixtures.
801.4 Bar and Fountain Sink Traps.
801.5 Connections from Water Distribution System.
801.6 Sterilizers.
801.7 Drip or Drainage Outlets.
802.0 Approvals.
802.1 General.
803.0 Indirect Waste Piping.
803.1 Materials.
803.2 Copper and Copper Alloys.
803.3 Pipe Size and Length.
TABLES
213 804.0 Indirect Waste Receptors.
804.1 Standpipe Receptors.
805.0 Pressure Drainage Connections.
805.1 General.
806.0 Sterile Equipment.
806.1 General.
807.0 Appliances.
807.1 Non-Classed Apparatus.
807.2 Undiluted Condensate Waste.
807.3 Domestic Dishwashing Machine.
808.0 Cooling Water.
808.1 General.
809.0 Drinking Fountains.
809.1 General.
810.0 Steam and Hot Water Drainage Condensers and Sumps.
810.1 High-Temperature Discharge.
214 810.2 Sumps, Condensers, and Intercepting Tanks.
810.3 Cleaning.
810.4 Strainers.
811.0 Chemical Wastes.
811.1 Pretreatment.
811.2 Waste and Vent Pipes.
811.3 Joining Materials.
811.4 Access.
811.5 Permanent Record.
811.6 Chemical Vent.
811.7 Discharge.
811.8 Diluted Chemicals.
812.0 Clear Water Wastes.
812.1 General.
813.0 Swimming Pools.
813.1 General.
814.0 Condensate Waste and Control.
814.1 Condensate Disposal.
Table 810.1 Pipe Connections In Blowoff Condensers And Sumps (inches)
215 814.1.1 Condensate Pumps.
814.2 Condensate Control.
814.2.1 Protection of Appurtenances.
814.3 Condensate Waste Pipe Material and Sizing.
814.3.1 Cleanouts.
814.4 Appliance Condensate Drains.
814.5 Point of Discharge.
814.6 Condensate Waste from Air-Conditioning Coils.
814.7 Plastic Fittings.
Table 814.3 Minimum Condensate Pipe Size
216 Chapter 9 – Vents
218 901.0 General.
901.1 Applicability.
901.2 Vents Required.
901.3 Trap Seal Protection.
902.0 Vents Not Required.
902.1 Interceptor.
902.2 Bars, Soda Fountains, and Counter.
903.0 Materials.
903.1 Applicable Standards.
903.1.1 [HCD 1 & HCD 2] ABS or PVC installations are limited to not more than two stories of areas of residential accommodation.
903.1.2 [HCD 1] All malleable iron vents shall be galvanized.
903.1.3 [OSHPD 1, 1R, 2, 3, 4 & 5] ABS and PVC installations are not allowed.
903.2 Use of Copper or Copper Alloy Tubing.
903.2.1 Aboveground.
903.2.2 Prohibited Use.
903.2.3 Marking.
903.3 Changes in Direction.
904.0 Size of Vents.
904.1 Size.
904.2 Length.
219 905.0 Vent Pipe Grades and Connections.
905.1 Grade.
905.2 Horizontal Drainage Pipe.
905.3 Vent Pipe Rise.
905.4 Roof Termination.
905.5 Location of Opening.
905.6 Common Vertical Pipe.
906.0 Vent Termination.
906.1 Roof Termination.
906.2 Clearance.
906.2.1 [OSHPD 1,1R, 2, 3, 4 & 5] Each vent pipe shall terminate not less than twenty-five (25) feet (7620 mm) from any air intake or vent shaft.
906.3 Use of Roof.
906.4 Outdoor Installations.
906.5 Joints.
906.6 Lead.
906.7 Frost or Snow Closure.
907.0 Vent Stacks and Relief Vents.
907.1 Drainage Stack.
907.2 Yoke Vent.
908.0 Wet Venting.
908.1 Vertical Wet Venting.
908.1.1 Size.
220 908.1.2 Vent Connection.
908.2 Horizontal Wet Venting for a Bathroom Group.
908.2.1 Vent Connection.
908.2.2 Size.
908.2.3 Trap Arm.
908.2.4 Water Closet.
908.2.5 Additional Fixtures.
909.0 Special Venting for Island Fixtures.
909.1 General.
910.0 Combination Waste and Vent Systems.
910.1 Where Permitted.
910.2 Approval.
910.3 Vents.
910.4 Size.
910.5 Vertical Waste Pipe.
910.6 Cleanouts.
910.7 Fixtures.
221 911.0 Circuit Venting.
911.1 Circuit Vent Permitted.
911.1.1 Multiple Circuit-Vented Branches.
911.2 Vent Size and Connection.
911.3 Slope and Size of Horizontal Branch.
911.3.1 Size of Multiple Circuit Vent.
911.4 Relief Vent.
911.4.1 Connection and Installation.
911.4.2 Fixture Drain or Branch.
911.5 Additional Fixtures.
912.0 Engineered Vent System.
912.1 General.
912.2 Minimum Requirements.
222 Chapter 10 Traps and Interceptors
224 1001.0 General.
1001.1 Applicability.
1001.2 Where Required.
1002.0 Traps Protected by Vent Pipes.
1002.1 Vent Pipes.
1002.2 Fixture Traps.
1002.3 Change of Direction.
1002.4 Vent Pipe Opening.
1003.0 Traps — Described.
1003.1 General Requirements.
1003.2 Slip Joint Fittings.
1003.3 Size.
1004.0 Traps.
1004.1 Prohibited.
TABLES
Table 1002.2 Horizontal Lengths Of Trap Arms (Except For Water Closets And Similar Fixtures)
225 1004.2 Movable Parts.
1005.0 Trap Seals.
1005.1 General.
1006.0 Floor Drain Traps.
1006.1 General.
1007.0 Trap Seal Protection.
1007.1 General.
1007.2 Trap Seal Primers.
1008.0 Building Traps.
1008.1 General.
1009.0 Interceptors (Clarifiers) and Separators.
1009.1 Where Required.
1009.2 Approval.
1009.3 Design.
1009.4 Relief Vent.
1009.5 Location.
1009.6 Maintenance of Interceptors.
1009.7 Discharge.
1010.0 Slaughterhouses, Packing Establishments, etc.
1010.1 General.
1010.2 [AGR] Meat and Poultry Processing Plants.
1010.2.1 Drainage and Plumbing Systems.
1010.2.1.1 Each floor drain shall be equipped with a deep-seal trap.
1010.2.2 The plumbing shall be installed so as to prevent sewage from backing up and flooding the floor.
1010.2.3 Interceptor traps which are connected with the sewer system shall not be near any edible products department or in any area where products are unloaded from or loaded into vehicles.
226 1010.3 [AGR] Collection Centers and Facilities.
1010.4 [AGR] Horse Meat and Pet Food Establishments.
1010.5 [AGR] Draining and Plumbing.
1010.5.1 Drainage and Gutters.
1010.5.2 Sewage and Plant Waste.
1011.0 Minimum Requirements for Auto Wash Racks.
1011.1 General.
1012.0 Commercial and Industrial Laundries.
1012.1 General.
1013.0 Bottling Establishments.
1013.1 General.
1014.0 Grease Interceptors.
1014.1 General.
1014.1A [OSHPD 1, 1R, 2, 3, 4 & 5] The Authority Having Jurisdiction is the individual official, board, department or agency authorized to administer and enforce the sewage treatment system in the area of the location of the health facility.
1014.1B [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors shall not be installed in food preparation area of the kitchens.
1014.1C [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors shall be installed outside of the kitchen area in location affording ease of maintenance and servicing.
1014.1.1 Trapped and Vented.
1014.1.2 Maintenance.
1014.1.3 Food Waste Disposers and Dishwashers.
1014.2 Hydromechanical Grease Interceptors.
227 1014.2.1 Capacity.
1014.2.2 Vent.
1014.3 Gravity Grease Interceptors.
1014.3.1 General.
1014.3.2 Waste Discharge Requirements.
1014.3.2.1 Toilets and Urinals.
1014.3.2.2 Inlet Pipe.
1014.3.3 Design.
1014.3.4 Location.
1014.3.4.1 Interceptors.
Table 1014.2.1 Hydromechanical Grease Interceptor Sizing Using Gravity Flow Rates
228 1014.3.4.2 Business Establishment.
1014.3.4.3 Access.
1014.3.5 Construction Requirements.
1014.3.6 Sizing Criteria.
1014.3.7 Abandoned Gravity Grease Interceptors.
1015.0 FOG (Fats, Oils, and Greases) Disposal System.
1015.1 Purpose.
1015.2 Components, Materials, and Equipment.
1015.3 Sizing and Installation.
1015.4 Performance.
1015.5 [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors shall not be installed in food preparation area of kitchens.
1015.6 [OSHPD 1, 1R, 2, 3, 4 & 5] Grease interceptors shall be installed outside of the kitchen area in location affording ease of maintenance and servicing.
1016.0 Sand Interceptors.
1016.1 Discharge.
Table 1014.3.6 Gravity Grease Interceptor Sizing
229 1016.2 Authority Having Jurisdiction.
1016.3 Construction and Size.
1016.4 Separate Use.
1017.0 Oil and Flammable Liquid Interceptors.
1017.1 Interceptors Required.
1017.2 Design of Interceptors.
230 Chapter 11 – Storm Drainage
232 1101.0 General.
1101.1 Applicability.
1101.2 Where Required.
1101.3 Storm Water Drainage to Sanitary Sewer Prohibited.
1101.4 Material Uses.
1101.4.1 Copper and Copper Alloys.
1101.4.2 Conductors.
1101.4.2.1 [HCD 1] ABS or PVC installations are limited to not more than two stories of areas of residential accommodation.
1101.4.2.2 [OSHPD 1, 1R, 2, 3, 4 & 5] ABS and PVC installations are not allowed.
1101.4.3 Leaders.
1101.4.4 Underground Building Storm Drains.
1101.4.5 Building Storm Sewers.
1101.4.6 Subsoil Drains.
1101.5 Expansion Joints Required.
1101.6 Subsoil Drains.
TABLES
Table 1101.4.6 Materials For Subsoil Drain Pipe And Fittings
233 1101.6.1 Discharge.
1101.6.2 Sump.
1101.6.3 Splash Blocks.
1101.6.4 Backwater Valve.
1101.6.5 Open Area.
1101.7 Building Subdrains.
1101.8 Areaway Drains.
1101.9 Window Areaway Drains.
1101.10 Filling Stations and Motor Vehicle Washing Establishments.
1101.11 Paved Areas.
1101.12 Roof Drainage.
1101.12.1 Primary Roof Drainage.
1101.12.2 Secondary Drainage.
1101.12.2.1 Roof Scuppers or Open Side.
1101.12.2.2 Secondary Roof Drain.
234 1101.12.2.2.1 Separate Piping System.
1101.13 Cleanouts.
1101.13.1 Rain Leaders and Conductors.
1101.14 Rainwater Sumps.
1101.15 Traps on Storm Drains and Leaders.
1101.15.1 Where Not Required.
1101.15.2 Trap Size.
1101.15.3 Method of Installation of Combined Sewer.
1101.16 Leaders, Conductors, and Connections.
1101.16.1 Protection of Leaders.
1101.16.2 Combining Storm with Sanitary Drainage.
1102.0 Roof Drains.
1102.1 Applications.
1102.2 Dome Strainers Required.
1102.3 Roof Drain Flashings.
1102.3.1 Lead Flashing.
1102.3.2 Copper Flashing.
1103.0 Size of Leaders, Conductors, and Storm Drains.
1103.1 Vertical Conductors and Leaders.
1103.2 Size of Horizontal Storm Drains and Sewers.
1103.3 Size of Roof Gutters.
1103.4 Side Walls Draining onto a Roof.
235 1104.0 Values for Continuous Flow.
1104.1 General.
1105.0 Controlled-Flow Roof Drainage.
1105.1 Application.
1105.2 Setback Roofs.
Table 1105.1(1) Controlled-Flow Maximum Roof Water Depth
Table 1105.1(2) Distance Of Scupper Bottoms Above Roof
236 1106.0 Engineered Storm Drainage System.
1106.1 General.
1106.2 Siphonic Roof Drainage Systems.
1106.3 Siphonic Roof Drains.
1107.0 Testing.
1107.1 Testing Required.
1107.2 Methods of Testing Storm Drainage Systems.
1107.2.1 Water Test.
1107.2.2 Air Test.
1107.2.3 Exceptions.
237 Table 1103.1 Sizing Roof Drains, Leaders, And Vertical Rainwater Piping
238 Table 1103.2 Sizing Of Horizontal Rainwater Piping
239 Table 1103.3 Size Of Gutters
240 Chapter 12 – Fuel Gas Piping
242 1201.0 General.
1201.1 Applicability.
1202.0 Coverage of Piping System.
1202.1 General.
1202.2 Piping System Requirements.
1202.3 Applications.
1203.0 Inspection.
1203.1 Inspection Notification.
1203.2 Excavation.
1203.3 Type of Inspections.
1203.3.1 Rough Piping Inspection.
1203.3.2 Final Piping Inspection.
TABLES
FIGURES
243 1203.4 Inspection Waived.
1204.0 Certificate of Inspection.
1204.1 Issuance.
1204.2 Gas Supplier.
1204.3 Unlawful.
1205.0 Authority to Render Gas Service.
1205.1 Authorized Personnel.
1205.2 Outlets.
1206.0 Authority to Disconnect.
1206.1 Disconnection.
1206.2 Notice.
1206.3 Capped Outlets.
1207.0 Temporary Use of Gas.
1207.1 General.
1208.0 Gas Piping System Design, Materials, and Components.
1208.1 Installation of Piping System.
1208.1.1 Addition to Existing System.
1208.2 Provision for Location of Point of Delivery.
1208.3 Interconnections Between Gas Piping Systems.
1208.3.1 Interconnections for Standby Fuels.
1208.4 Sizing of Gas Piping Systems.
1208.4.1 Maximum Gas Demand.
244 1208.4.2 Sizing Methods.
1208.4.3 Allowable Pressure Drop.
1208.5 Maximum Design Operating Pressure.
1208.5.1 LP-Gas Systems.
1208.6 Acceptable Piping Materials and Joining Methods.
1208.6.1 Used Materials.
1208.6.2 Other Materials.
Table 1208.4.1 Approximate Gas Input For Typical Appliances
245 1208.6.3 Metallic Pipe.
1208.6.3.1 Steel and Wrought-Iron Pipe.
1208.6.3.2 Copper and Copper Alloy Pipe.
1208.6.3.3 Aluminum Alloy Pipe.
1208.6.4 Metallic Tubing.
1208.6.4.1 Steel Tubing.
1208.6.4.2 Copper and Copper Alloy Tubing.
1208.6.4.3 Aluminum Alloy Tubing.
1208.6.4.4 Corrugated Stainless Steel Tubing.
1208.6.5 Plastic Pipe, Tubing, and Fittings.
1208.6.6 Regulator Vent Piping.
1208.6.7 Anodeless Risers.
1208.6.8 Workmanship and Defects.
1208.6.9 Protective Coating.
1208.6.10 Metallic Pipe Threads.
1208.6.10.1 Damaged Threads.
1208.6.10.2 Number of Threads.
1208.6.10.3 Thread Joint Compounds.
1208.6.11 Metallic Piping Joints and Fittings.
246 1208.6.11.1 Pipe Joints.
1208.6.11.2 Tubing Joints.
1208.6.11.3 Flared Joints.
1208.6.11.4 Metallic Pipe Fittings (Including Valves, Strainers, Filters).
1208.6.12 Plastic Piping, Joints, and Fittings.
1208.6.12.1 Joint Design.
1208.6.12.2 Heat-Fusion Joint.
1208.6.12.3 Compression-Type Mechanical Joints.
Table 1208.6.10.2 Specifications For Threading Metallic Pipe
247 1208.6.12.4 Liquefied Petroleum Gas Piping Systems.
1208.6.13 Flange Specification.
1208.6.13.1 Cast Iron Flanges.
1208.6.13.2 Steel Flanges.
1208.6.13.3 Non-Ferrous Flanges.
1208.6.13.4 Ductile Iron Flanges.
1208.6.13.5 Dissimilar Flange Connections.
1208.6.13.6 Flange Facings.
1208.6.13.7 Lapped Flanges.
1208.6.14 Flange Gaskets.
1208.6.14.1 Flange Gasket Materials.
1208.6.14.2 Metallic Flange Gaskets.
1208.6.14.3 Non-Metallic Flange Gaskets.
1208.6.14.4 Full-Face Flange Gasket.
1208.6.14.5 Separated Flanges.
1208.7 Gas Meters.
1208.7.1 Location.
1208.7.1.1 Subject to Damage.
1208.7.1.2 Extreme Temperatures.
1208.7.2 Supports.
1208.7.3 Meter Protection.
1208.7.4 Identification.
1208.8 Gas Pressure Regulators.
1208.8.1 Listing.
1208.8.2 Location.
248 1208.8.3 Regulator Protection.
1208.8.4 Venting of Line Pressure Regulators.
1208.8.5 Venting of Gas Appliance Pressure Regulators.
1208.8.6 Discharge of Vents.
1208.8.7 Bypass Piping.
1208.8.8 Identification.
1208.9 Overpressure Protection Devices.
1208.10 Pressure Limitation Requirements.
1208.10.1 Overpressure Protection Required.
1208.10.2 Overpressure Protection Devices.
1208.10.3 Detection of Failure.
1208.10.4 Flow Capacity.
1208.11 Backpressure Protection.
249 1208.11.1 Protective Devices.
1208.12 Low-Pressure Protection.
1208.13 Shutoff Valves.
1208.14 Expansion and Flexibility.
1208.14.1 Special Local Conditions.
1209.0 Excess Flow Valve.
1209.1 General.
1210.0 Gas Piping Installation.
1210.1 Piping Underground.
1210.1.1 Cover Requirements.
1210.1.2 Trenches.
1210.1.2.1 Backfilling.
1210.1.3 Protection Against Corrosion.
1210.1.3.1 Zinc Coating.
1210.1.3.2 Underground Piping.
1210.1.3.3 Cathodic Protection.
1210.1.3.4 Sacrificial Anodes.
250 1210.1.3.5 System Failing Tests.
1210.1.3.6 Impressed Current Cathodic Protection.
1210.1.3.7 Documentation.
1210.1.3.8 Dissimilar Metals.
1210.1.3.9 Steel Risers.
1210.1.4 Protection Against Freezing.
1210.1.5 Piping through Foundation Wall.
1210.1.6 Piping Underground Beneath Buildings.
1210.1.6.1 Conduit with One End Terminating Outdoors.
1210.1.6.2 Conduit with Both Ends Terminating Indoors.
1210.1.7 Plastic Piping.
1210.1.7.1 Connections Between Metallic and Plastic Piping.
1210.1.7.2 Tracer.
1210.2 Installation of Piping.
251 1210.2.1 Building Structure.
1210.2.2 Gas Piping to be Sloped.
1210.2.2.1 Ceiling Locations.
1210.2.3 Prohibited Locations.
1210.2.4 Hangers, Supports, and Anchors.
1210.2.4.1 Spacing.
1210.2.4.2 Expansion and Contraction.
1210.2.4.3 Piping on Roof Tops.
1210.3 Concealed Piping in Buildings.
1210.3.1 Connections.
1210.3.2 Piping in Partitions.
1210.3.3 Tubing in Partitions.
1210.3.4 Piping in Floors.
Table 1210.2.4.1 Support Of Piping
252 1210.4 Piping in Vertical Chases.
1210.4.1 Pressure Reduction.
1210.4.2 Chase Construction.
1210.4.3 Ventilation.
1210.5 Gas Pipe Turns.
1210.5.1 Metallic Pipe.
1210.5.2 Plastic Pipe.
1210.5.3 Elbows.
1210.6 Drips and Sediment Traps.
1210.6.1 Location of Drips.
1210.6.2 Sediment Traps.
1210.7 Outlets.
253 1210.7.1 Cap Outlets.
1210.7.2 Appliance Shutoff Valves.
1210.8 Branch Pipe Connection.
1210.9 Manual Gas Shutoff Valves.
1210.9.1 Valves Controlling Multiple Systems.
1210.9.2 Shutoff Valves for Multiple House Lines.
1210.9.3 Emergency Shutoff Valves.
1210.9.4 Shutoff Valve for Laboratories.
1210.10 Prohibited Devices.
1210.11 Systems Containing Gas-Air Mixtures Outside the Flammable Range.
1210.12 Systems Containing Flammable Gas-Air Mixtures.
1210.12.1 Required Components.
1210.12.2 Optional Components.
1210.12.3 Additional Requirements.
1210.12.4 Special Requirements for Mixing Blowers.
1210.12.5 Installation of Gas-Mixing Machines.
254 1210.12.6 Use of Automatic Firechecks, Safety Blowouts, or Backfire Preventers.
1211.0 Electrical Bonding and Grounding.
1211.1 Pipe and Tubing other than CSST.
1211.2 Bonding of CSST Gas Piping.
1211.2.1 Bonding Jumper Connection.
1211.2.2 Bonding Jumper Size.
1211.2.3 Bonding Jumper Length.
1211.2.4 Bonding Connections.
1211.2.5 Devices Used for Bonding.
255 1211.3 Prohibited Use.
1211.4 Lightning Protection System.
1211.5 Electrical Circuits.
1211.6 Electrical Connections.
1211.6.1 Safety Control.
1211.7 Earthquake-Actuated Gas Shutoff Valves.
1212.0 Appliance and Equipment Connections to Building Piping.
1212.1 Connecting Appliances and Equipment.
1212.1.1 Commercial Cooking Appliances.
1212.1.2 Restraint.
1212.2 Suspended Low-Intensity Infrared Tube Heaters.
1212.3 Use of Nonmetallic Gas Hose Connectors.
1212.3.1 Indoor.
1212.3.2 Outdoor.
1212.4 Injection (Bunsen) Burners.
256 1212.5 Connection of Portable and Mobile Industrial Gas Appliances.
1212.5.1 Swivel Joints or Couplings.
1212.5.2 Metal Flexible Connectors.
1212.5.3 Flexible Connectors.
1212.6 Appliance Shutoff Valves and Connections.
1212.7 Quick-Disconnect Devices.
1212.8 Gas Convenience Outlets.
1212.9 Sediment Trap.
1212.10 Installation of Piping.
1212.11 Liquefied Petroleum Gas Facilities and Piping.
1213.0 Pressure Testing, Inspection, and Purging.
1213.1 Piping Installations.
1213.1.1 Inspection Requirements.
1213.1.2 Repairs and Additions.
Figure 1212.9 Method Of Installing A Tee Fitting Sediment Trap
257 1213.1.3 New Branches.
1213.1.4 Piping System.
1213.1.5 Regulators and Valves.
1213.1.6 Test Medium.
1213.2 Test Preparation.
1213.2.1 Pipe Joints.
1213.2.2 Expansion Joints.
1213.2.3 Appliances and Equipment.
1213.2.4 Designed for Operating Pressures Less Than Test Pressure.
1213.2.5 Designed for Operating Pressures Equal to or Greater Than Test Pressure.
1213.2.6 Safety.
1213.3 Test Pressure.
1213.4 Detection of Leaks and Defects.
1213.4.1 Detecting Leaks.
1213.4.2 Repair or Replace.
1213.5 Piping System Leak Test.
1213.5.1 Turning Gas On.
1213.5.2 Leak Check.
1213.5.3 Placing Appliances and Equipment in Operation.
1213.6 Purging Requirements.
258 1213.6.1 Piping Systems Required to be Purged Outdoors.
1213.6.1.1 Removal from Service.
1213.6.1.2 Removal of Piping.
1213.6.1.3 Placing in Operation.
1213.6.1.4 Outdoor Discharge of Purged Gases.
1213.6.1.5 Combustible Gas Indicator.
1213.6.2 Piping Systems Allowed to be Purged Indoors or Outdoors.
1213.6.2.1 Purging Procedure.
1213.6.2.2 Combustible Gas Detector.
Table 1213.6.1 Size And Length Of Piping
259 1213.6.3 Purging Appliances and Equipment.
1214.0 Required Gas Supply.
1214.1 General.
1214.2 Volume.
1214.3 Gas Appliances.
1214.4 Size of Piping Outlets.
1215.0 Required Gas Piping Size.
1215.1 Pipe Sizing Methods.
1215.1.1 Longest Length Method.
1215.1.2 Branch Length Method.
1215.1.3 Hybrid Pressure.
1215.2 Tables for Sizing Gas Piping Systems.
1215.3 Sizing Equations.
260 1215.4 Sizing of Piping Sections.
1215.5 Engineering Methods.
1215.6 Variable Gas Pressure.
1217.0 Seismic Gas Shutoff Valves.
1217.1 Definitions.
1217.2 Scope.
1217.2.1 A building or structure containing fuel gas piping for which a building permit was first issued on or after September 1, 1995.
1217.2.2 An existing building or structure which is altered or added to; and
1217.2.2.1 That building or structure has fuel gas piping supplying the existing building or structure or the addition to the building or structure; and
1217.2.2.2 The alteration or addition is valued at more than $10,000 and a building permit for the work in commercial buildings was first issued on or after September 1, 1995.
Table 1215.3 Cr And Y For Natural Gas And Undiluted Propane At Standard Conditions
261 1217.2.2.3 The alteration or addition is valued at more than $10,000 and a building permit for the work in residential buildings, including condominium units, is first issued on or after January 10, 1998.
1217.2.2.4 The alteration or addition is to the fuel gas piping system and involves the alteration or replacement of the gas meter.
1217.2.3 Prior to entering into an agreement of sale, or prior to the close of escrow when an escrow agreement has been executed in connection with the sale,
1217.3 General Requirements. Seismic gas shutoff valves or excess flow shutoff valves installed either in compliance with LAMC Section 1217.2, et seq., or voluntarily with a permit issued on or after September 1, 1995, shall comply with the following requirements:
1217.3.1 Seismic gas shutoff valves or excess flow shutoff valve shall be installed by a contractor licensed in the appropriate classification by the State of California.
1217.3.2 Seismic gas shutoff valves or excess flow shutoff valve shall be mounted rigidly to the exterior, or other approved location, of the building or structure containing the fuel gas piping.
1217.3.3 Be certified by the Office of the State Architect.
1217.3.4 Be approved by the Department of Building and Safety, Mechanical Testing Laboratory.
1217.3.5 Have a thirty (30) year warranty which warrants that the valve is free from defects and will continue to properly operate for thirty (30) years from the date of installation.
1217.3.6 Where seismic gas shutoff valves or excess flow shutoff valve are installed as required by this section, they shall be maintained for the life of the building or structure or be replaced with a valve complying with the requirements of this section.
1217.3.7 Seismic gas shutoff valves must be in compliance with all requirements of California Referenced Standard 12-16-1, at Part 12, Title 24, of the California Code of Regulations (CCR).
262 1217.3.8 Excess flow shutoff valves must be in compliance with all requirements of California Referenced Standard 12-16-2. (Part 12, Title 24, of the CCR).
263 Figure 1215.1.1 Example Illustrating Use Of Table 1208.4.1 And Table 1215.2(1)
264 Table 1215.2(1) Schedule 40 Metallic Pipe
265 Table 1215.2(2) Schedule 40 Metallic Pipe
266 Table 1215.2(3) Schedule 40 Metallic Pipe
267 Table 1215.2(4) Schedule 40 Metallic Pipe
268 Table 1215.2(5) Schedule 40 Metallic Pipe
269 Table 1215.2(6) Schedule 40 Metallic Pipe
270 Table 1215.2(7) Semi-Rigid Copper Tubing
271 Table 1215.2(8) Semi-Rigid Copper Tubing
272 Table 1215.2(9) Semi-Rigid Copper Tubing
273 Table 1215.2(10) Semi-Rigid Copper Tubing
274 Table 1215.2(11) Semi-Rigid Copper Tubing
275 Table 1215.2(12) Semi-Rigid Copper Tubing
276 Table 1215.2(13) Semi-Rigid Copper Tubing
277 Table 1215.2(14) Corrugated Stainless Steel Tubing (CSST)
278 Table 1215.2(15) Corrugated Stainless Steel Tubing (CSST)
279 Table 1215.2(16) Corrugated Stainless Steel Tubing (CSST)
280 Table 1215.2(17) Corrugated Stainless Steel Tubing (CSST)
281 Table 1215.2(18) Corrugated Stainless Steel Tubing (CSST)
282 Table 1215.2(19) Polyethylene Plastic Pipe
283 Table 1215.2(20) Polyethylene Plastic Pipe
284 Table 1215.2(21) Polyethylene Plastic Pipe
285 Table 1215.2(22) Polyethylene Plastic Tubing
Table 1215.2(23) Polyethylene Plastic Tubing
286 Table 1215.2(24) Schedule 40 Metallic Pipe
287 Table 1215.2(25) Schedule 40 Metallic Pipe
288 Table 1215.2(26) Schedule 40 Metallic Pipe
289 Table 1215.2(27) Schedule 40 Metallic Pipe
290 Table 1215.2(28) Semi-Rigid Copper Tubing
291 Table 1215.2(29) Semi-Rigid Copper Tubing
292 Table 1215.2(30) Semi-Rigid Copper Tubing
293 Table 1215.2(31) Corrugated Stainless Steel Tubing (CSST)
294 Table 1215.2(32) Corrugated Stainless Steel Tubing (CSST)
295 Table 1215.2(33) Corrugated Stainless Steel Tubing (CSST)
296 Table 1215.2(34) Polyethylene Plastic Pipe
297 Table 1215.2(35) Polyethylene Plastic Pipe
298 Table 1215.2(36) Polyethylene Plastic Tubing
300 Chapter 13 – Health Care Facilities and Medical Gas and Medical Vacuum Systems
302 Chapter 14 – Firestop Protection
304 Chapter 15 – Alternate Water Sources for Nonpotable Applications
306 1501.0 General.
1501.1 Applicability [BSC-CG, DWR & HCD 1].
1501.1.1 Allowable Use of Alternate Water.
1501.1.1.1 Outdoor Recycled Water Supply Systems.
1501.1.1.2 Technical Requirements for Outdoor Recycled Water Supply Systems.
1501.2 System Design.
1501.3 Permit [BSC-CG, HCD 1, DWR].
1501.4 Component Identification.
1501.5 Maintenance and Inspection [BSC-CG, HCD 1, DWR].
TABLES
FIGURE
307 1501.5.1 Maintenance Responsibility.
1501.6 Operation and Maintenance Manual [BSC-CG, HCD 1, DWR].
1501.7 Minimum Water Quality Requirements [BSC-CG, HCD 1, DWR].
1501.8 Material Compatibility.
1501.9 Signage [BSC-CG, HCD 1, HCD 2, HCD 1-AC, & DWR].
1501.9.1 Commercial, Industrial, Institutional, and Residential Restroom Signs.
Table 1501.5 [BSC-CG] Recommended Minimum Alternate Water Source Testing, Inspection, And Maintenance Frequency
308 1501.9.2 Equipment Room Signs.
1501.10 System Controls.
1501.11 Hose Bibbs for Single-Family Dwellings [HCD1].
1502.0. Inspection and Testing.
1502.1 General.
1502.2 Supply System Inspection and Test.
1502.3 Cross-Connection Inspection and Testing.
1502.3.1 Visual System Inspection.
1502.3.2 Cross-Connection Test.
1502.3.3 Discovery of Cross-Connection.
309 1502.3.4 Annual Inspection.
1502.4 Separation Requirements.
1502.5 Abandonment.
1502.5.1 General.
1502.5.2 Underground Tank.
1502.6 Sizing.
1503.0 Gray Water Systems [BSC-CG].
1503.1 General.
310 1503.1.1 [HCD 1] Clothes Washer System.
1503.1.2 Simple System.
1503.1.3 Complex System.
1503.2 System Requirements.
1503.2.1 Surge Capacity.
311 1503.2.2 Diversion.
1503.2.3 Backwater Valves.
1503.3 Connections to Potable and Reclaimed(Recycled) Water Systems.
1503.4 Location.
1503.5 Plot Plan Submission.
Table 1503.4 Location Of Gray Water System
312 1503.6 Prohibited Location.
1503.7 Drawings and Specifications.
1503.8 Procedure for Estimating Gray Water Discharge.
1503.8.1 Residential Occupancies.
1503.8.2 Commercial, Industrial, and Institutional Occupancies.
1503.8.2.1 Lavatories.
1503.8.2.2 Showers.
1503.8.2.3 Commercial Clothes Washers.
313 1503.8.3 Daily Discharge.
1503.9 Gray Water System Components.
1503.9.1 Surge Tanks.
1503.9.2 Gray Water Pipe and Fitting Materials.
1503.9.3 Animals and Insects.
1503.9.4 Freeze Protection.
1504.0 Subsurface Irrigation System Zones.
1504.1 General.
1504.2 Required Area of Subsurface Irrigation Fields, Subsoil Irrigation Fields, and Mulch Basins.
314 1504.3 Determination of Maximum Absorption Capacity.
1504.4 Groundwater Level.
1504.5 Irrigation, Disposal Field and Mulch Basin Construction.
1504.5.1 Mulch Basin.
1504.5.2 Irrigation Field.
Table 1504.2 Design Of Six Typical Soils
Table 1504.5 Subsurface Irrigation Design Criteria For Six Typical Soils
315 1504.5.3 Disposal Field.
1504.6 Reserved.
1504.7 Reserved.
1504.8 Gray Water System Color and Marking Information.
1504.9 Other Collection and Distribution Systems.
1504.9.1 Future Connections.
Table 1504.5.3 Subsoil Irrigation Field Construction
316 1504.10 Testing.
1504.11 Maintenance.
1505.0 Recycled Water Supply Systems in Buildings.
1505.1 General.
1505.1.1 Allowed Uses.
1505.1.2 Structures Allowed for Toilet and Urinal Flushing.
1505.2 Permit.
1505.2.1 Plumbing Plan Submission.
1505.3 System Changes.
1505.4 Connections to Potable or Reclaimed (Recycled) Water Supply Systems.
1505.5 Initial Cross-Connection Test.
1505.6 Recycled Water Supply System Materials.
1505.7 Recycled Water Supply System Color and Marking Information.
317 1505.8 Valves.
1505.8.1 Valve Seals.
1505.8.2 Valve and Appurtenance Access Door Signs.
1505.9 Hose Bibbs.
1505.10 Required Appurtenances.
1505.11 Pipe Separation in Trenches.
1505.12 Signage.
1505.12.1 Commercial, Industrial, Institutional, and Residential Restroom Signs.
1505.12.2 Tank-Type Toilet Signs.
1505.12.3 Equipment Room Signs.
Figure 1505.9
318 1505.13 Inspection and Testing.
1505.13.1 Supply System Inspection and Test.
1505.13.2 Cross-Connection Inspection and Testing.
1505.13.2.1 Visual System Inspection.
1505.13.2.2 Cross-Connection Test.
319 1505.13.2.3 Discovery of Cross-Connection.
1505.13.2.4 Periodic Inspection.
1505.14 Minimum Water Quality Requirements for Reclaimed (Recycled) Water.
1505.15 Maintenance and Inspection.
1506.0 On-Site Treated Nonpotable Gray Water Systems.
1506.1 General.
1506.2 Plumbing Plan Submission.
Table 1505.15 Minimum Reclaimed (Recycled) Water Source Testing, Inspection, And Maintenance Frequency
320 1506.3 System Changes.
1506.4 Connections to Potable or Reclaimed (Recycled) Water Systems.
1506.5 Initial Cross-Connection Test.
1506.6 On-Site Treated Nonpotable Gray Water System Materials.
1506.7 On-Site Treated Nonpotable Gray Water Devices and Systems.
1506.8 On-Site Treated Nonpotable Gray Water System Color and Marking Information.
1506.9 Design and Installation.
1506.9.1 Listing Terms and Installation Instructions.
1506.9.2 Minimum Water Quality [BSC-CG, HCD 1].
1506.9.3 Deactivation and Drainage.
1506.9.4 Near Underground Potable Water Pipe.
1506.9.5 Required Filters.
1506.9.6 Disinfection.
1506.10 Valves.
1506.11 Signs.
1506.12 Inspection and Testing.
322 Chapter 16 – Nonpotable Rainwater Catchment Systems
324 1601.0 General.
1601.1 Applicability.
1601.1.1 Allowable Use of Alternate Water.
1601.2 System Design.
1601.3 Permit.
1601.4 Component Identification.
1601.5 Maintenance and Inspection.
1601.5.1 Maintenance Responsibility.
1601.6 Operation and Maintenance Manual.
TABLES
Table 1601.5 Minimum Alternate Water Source Testing, Inspection, And Maintenance Frequency
FIGURES
325 1601.7 Minimum Water Quality Requirements.
1602.0 Nonpotable Rainwater Catchment Systems.
1602.1 General.
1602.2 Plumbing Plan Submission.
1602.3 System Changes.
1602.4 Connections to Potable or Reclaimed (Recycled) Water Systems.
1602.5 Initial Cross-Connection Test.
1602.6 Sizing.
1602.7 Rainwater Catchment System Materials.
1602.7.1 Water Supply and Distribution Materials.
1602.7.2 Rainwater Catchment System Drainage Materials.
1602.7.3 Storage Tanks.
1602.8 Rainwater Catchment System Color and Marking Information.
1602.9 Design and Installation.
1602.9.1 Outside Hose Bibbs.
Figure 1602.9.1
326 1602.9.2 Deactivation and Drainage for Cross-Connection Test.
1602.9.3 Rainwater Catchment System Surfaces.
1602.9.4 Other Surfaces.
1602.9.5 Prohibited Discharges.
1602.9.6 Minimum Water Quality.
1602.9.6.1 Disinfection.
1603.0 Rainwater Storage Tanks.
1603.1 General.
1603.2 Construction.
Table 1602.9.6 Minimum Treatment And Water Quality For Rainwater
327 1603.3 Location.
1603.4 Above Grade.
1603.5 Below Grade.
1603.6 Drainage and Overflow.
1603.6.1 Overflow Outlet Size.
1603.7 Opening and Access Protection.
1603.8 Marking.
1603.9 Storage Tank Venting.
1603.10 Pumps.
1603.11 Roof Drains.
1603.12 Water Quality Devices and Equipment.
1603.13 Freeze Protection.
1603.14 Debris Removal.
1603.15 Required Filters.
1603.16 Roof Gutters.
1604.0 Signs.
1604.1 General.
328 1604.2 Commercial, Industrial, Institutional and Residential Restroom Signs.
1604.3 Equipment Room Signs.
1605.0 Inspection and Testing.
1605.1 General.
1605.2 Supply System Inspection and Test.
1605.3 Cross-Connection Inspection and Testing.
1605.3.1 Visual System Inspection.
1605.3.2 Cross-Connection Test.
1605.3.3 Discovery of Cross-Connection.
330 Chapter 17 – Referenced Standards
332 1701.0 General.
1701.1 Standards.
TABLES
Table 1701.1 Referenced Standards
343 1701.2 Standards, Publications, Practices, andGuides.
Table 1701.2 Standards, Publications, Practices, And Guides
349 Abbreviations In Table 1701.1 And Table 1701.2
350 Chapter 18 – Uniform Solar, Hydronics and Geothermal Code
1800.0 Basic Provisions.
352 Chapter 19 – Uniform Swimming Pool, Spa and Hot Tub Code
1900.0 Basic Provisions.
354 Chapter 20 – Fire Protection Systems
2000.0 General.
2001.0 Scope.
2005.0 Location.
2006.0 Protection from Mechanical Damage.
2010.0 NFPA 13.
2010.1 Comply with the fire sprinkler provisions in Chapters 4 and 9 of the 2019 California Building Code as they pertain to sprinkler systems.
2010.2 NFPA 13-2016 Section 3.3.26 is added to read as follows:
2010.3 NFPA 13-2016 Section 8.15.4.5 is added to read as follows:
2010.4 NFPA 13-2016 Section 8.2.4.5 is added to read as follows:
2010.5 NFPA 13-2016 Section 11.3.3.5 is added to read as follows:
2013.0 NFPA 13R.
2013.1 Comply with the fire sprinkler provisions in Chapters 4 and 9 of the 2019 California Building Code as they pertain to sprinkler systems in residential occupancies within the scope of NFPA 13R-2016.
2014.0 NFPA 13D.
2014.1 Comply with the fire sprinkler provisions in Chapters 4 and 9 of the 2019 California Building Code as they pertain to sprinkler systems in residential occupancies within the scope of NFPA 13D-2016.
2020.0 NFPA 14.
2020.1 Comply with the fire standpipes provisions in Chapters 4, 9 and 33 of the 2019 California Building Code as they pertain to NFPA 14-2016.
2020.2 NFPA 14-2016 Section 6.4.5.3.1 is hereby added to read as follows:
2020.3 NFPA 14-2016 Section 9.1.5 is hereby added to read as follows:
355 2020.4 Pressure Regulator Valve Test.
2020.4.1 Test Required.
2020.4.2 Safety.
2020.4.3 Opening.
2020.4.4 Drain.
2020.4.5 Interconnection.
2030.0 NFPA 20 Fire Pumps and Drivers.
2030.1 Comply with the fire pump provisions in Chapters 4 and 9 of the 2019 California Building Code.
2030.2 NFPA 20-2016 Section 4.14.11 is added to read as follows:
2030.3 The discharge from the test header shall terminate to the fire storage tank when available.
2040.0 NFPA 24 Installation of Private Fire ServiceMains and Their Appurtenances.
2040.1 Comply with the provisions in Chapter 9 of the 2019 California Building Code as it pertains to the installation of private fire service mains and their appurtenances.
2050.0 NFPA 22 Fire Protection Tanks.
2050.1 Comply with the fire tank provisions in Chapters 4 and 9 of the 2019 California Building Code as it pertains to NFPA 22-2013.
2050.2 Water Tanks in High-Rise Buildings.
356 Appendices Table of Contents
358 Appendix A – Recommended Rules for Sizing The Water Supply System
360 A 101.0 General.
A 101.1 Applicability.
A 102.0 Preliminary Information.
A 102.1 Daily Service Pressure.
A 102.2 Water Meter.
A 102.3 Local Information.
A 103.0 Demand Load.
A 103.1 Supply Demand.
A 103.2 Continuous Supply Demand.
A 104.0 Permissible Friction Loss.
A 104.1 Residual Pressure.
A 104.2 Elevation.
A 104.3 Available Pressure.
TABLES
CHARTS
Chart A 102.2 Friction Losses For Disk-Type Water Meters
361 A 104.4 Developed Length.
A 105.0 Size of Building Supply.
A 105.1 Diameter.
A 105.2 Copper and Copper Alloy Piping.
A 105.3 Hard Water.
A 106.0 Size of Principal Branches and Risers.
A 106.1 Size.
A 106.2 Branches.
A 106.3 Water Closets.
A 107.0 General.
A 107.1 Velocities.
A 107.2 Pressure-Reducing Valves.
A 107.3 Fittings.
362 Table A 103.1 Water Supply Fixture Units (WSFU) And Minimum Fixture Branch Pipe Sizes
363 Chart A 103.1(1) Estimate Curves For Demand Load
Chart A 103.1(2) Enlarged Scale Demand Load
364 Table A 104.4(1) Allowance In Equivalent Length Of Pipe For Friction Loss In Valves And Threaded Fittings*
Equivalent Length Of Pipe For Various Fittings

Table A 104.4(2) Equivalent Length Of Copper Tube Size CPVC Pipe For Various Fittings
Table A 104.4(3) Equivalent Length Of Schedule 40 And 80 CPVC Pipe For Various Fittings
365 Chart A 105.1(1)
366 Chart A 105.1(2)
367 Chart A 105.1(3)
368 Chart A 105.1(4)
369 Chart A 105.1(5)
370 Chart A 105.1(6)
371 Chart A 105.1(7)
372 A 108.0 Sizing.
A 108.1 Example.
A 108.1 Example
374 Appendix B – Explanatory Notes on Combination Waste and Vent Systems
376 B 101.0 General.
B 101.1 Applicability.
B 101.2 General Requirements.
B 101.3 Caution.
B 101.4 Pneumatics.
B 101.5 Trap Sizes.
B 101.6 Layout Drawings.
B 101.6.1 Example of Sizing.
378 Appendix C – Alternate Plumbing Systems
380 Appendix D – Sizing Storm Water Drainage Systems
382 D 101.0 General.
D 101.1 Applicability.
D 102.0 Sizing by Flow Rate.
D 102.1 General.
D 103.0 Sizing by Roof Area.
D 103.1 General.
D 104.0 Capacity of Rectangular Scuppers.
D 104.1 General.
TABLES
Table D 101.1 Maximum Rates Of Rainfall For Various Cities
388 Table D 104.1 Discharge From Rectangular Scuppers (gallons per minute)
390 Appendix E – Manufactured/Mobile Home Parks and Recreational Vehicle Parks
392 Appendix F – Firefighter Breathing Air Replenishment Systems
394 Appendix G – Sizing of Venting Systems
396 Appendix H – Private Sewage Disposal Systems
398 H 101.0 General.
H 101.1 Applicability.
H 101.2 General Requirements.
H 101.3 Quantity and Quality.
H 101.4 Septic Tank and Disposal Field Systems.
H 101.5 Flood Hazard Areas.
H 101.6 Design.
H 101.7 Capacity.
H 101.8 Location.
H 101.9 Building Permit.
H 101.10 Additional Requirements.
H 101.11 Alternate Systems.
TABLES
CHART
399 H 201.0 Capacity of Septic Tanks.
H 201.1 General.
Table H 101.8 Location Of Sewage Disposal System
Table H 201.1(1) Capacity Of Septic Tanks
Table H 201.1(2) Design Criteria Of Five Typical Soils
400 Table H 201.1(3) Leaching Area Size Based On Septic Tank Capacity
Table H 201.1(4) Estimated Waste/Sewage Flow Rates
401 H 301.0 Area of Disposal Fields and Seepage Pits.
H 301.1 General.
H 401.0 Percolation Test.
H 401.1 Pit Sizes.
H 401.2 Absorption Qualities.
402 H 401.3 Absorption Rates.
H 501.0 Septic Tank Construction.
H 501.1 Plans.
H 501.2 Design.
H 501.3 Construction.
H 501.4 Compartments.
H 501.5 Access.
H 501.6 Pipe Opening Sizes.
H 501.7 Pipe Extension.
H 501.8 Free Vent Area.
H 501.9 Sidewalls.
H 501.10 Partitions and Baffles.
H 501.11 Structural Design.
H 501.12 Manholes.
H 501.13 Materials.
403 H 501.14 Prefabricated Septic Tanks.
H 601.0 Disposal Fields.
H 601.1 Distribution Lines.
H 601.2 Filter Material.
H 601.3 Grade Board.
H 601.4 Seepage Pits.
H 601.5 Distribution Boxes.
H 601.6 Laterals.
H 601.7 Connections.
H 601.8 Dosing Tanks.
H 601.9 Construction.
H 601.10 Joints.
Table H 601.9 General Disposal Field Requirements
404 H 701.0 Seepage Pits.
H 701.1 Capacity.
H 701.2 Multiple Installations.
H 701.3 Construction.
H 701.4 Lining.
H 701.5 Brick and Block.
H 701.6 Sidewall.
H 701.7 Arch and Dome.
H 701.8 Location.
H 701.9 Inlet Fitting.
H 801.0 Cesspools.
H 801.1 Limitations.
H 801.2 Septic Tanks.
H 801.3 Construction.
H 801.4 Existing Installations.
H 901.0 Commercial or Industrial Special Liquid-Waste Disposal.
H 901.1 Interceptor.
H 901.2 Installation.
H 901.3 Sampling Box.
H 901.4 Design and Structural Requirement.
405 H 901.5 Location.
H 901.6 Waste Discharge.
H 901.7 Design Criteria.
H 1001.0 Inspection and Testing.
H 1001.1 Inspection.
H 1001.2 Testing.
H 1101.0 Abandoned Sewers and Sewage Disposal Facilities.
H 1101.1 Plugged and Capped.
H 1101.2 Fill Material.
H 1101.3 Filling Requirements.
H 1101.4 Owner.
Chart H 901.7 Recommended Design Criteria
406 H 1101.5 Permittee.
H 1201.0 Drawings and Specifications.
H 1201.1 General.
408 Appendix I – Installation Standard for PEX Tubing Systems for Hot- and Cold-Water Distribution
410 1.0 Scope.
1.1 General.
1.1.1 This Standard specifies requirements for the installation of SDR 9 CTS crosslinked polyethylene (PEX) tubing and fittings, including cold-expansion, crimp, press, and mechanical compression fittings, intended for hot- and cold-water distribution systems within buildings.
1.1.2 This Standards applies to(a) SDR 9 CTS PEX tubing complying with ASTM F876 and pressure-rated in accordance with PPI TR-3; and
1.2 Terminology.
1.3 Amendments.
2.0 Reference Publications.
TABLES
FIGURES
411 3.0 Abbreviations.
4.0 General.
4.1 Tubing.
4.1.1 PEX tubing can be(a) pigmented throughout (i.e., with color);
4.1.2 PEX tubing is typically available in NTS-1/4 to NTS-3.
4.1.3 Before installation, the installer shall review the tubing markings and verify that
(a) the standard designation(s) of the fittings to which the tube can be joined to is included in the markings;
4.2 Fittings.
4.2.1 Cold-Expansion Fittings.
4.2.2 Crimp or Press Insert Fittings.
4.2.3 Compression Fittings.
4.3 Installation.
4.4 Tools.
4.5 Tubing Protection.
4.5.1 Abrasion.
4.5.2 Puncture.
5.0 Handling.
5.1 Receiving.
412 5.2 Storage and UV Exposure.
5.2.1 PEX tubing and fittings shall be stored indoors and in its original packaging until the time of installation.
5.2.2 Accumulative exposure time to UV radiation during storage and installation shall not exceed the UV exposure limits recommended by the manufacturer or specified in ASTM F876.
5.3 Exposure to Heat.
5.3.1 PEX tubing and fittings shall not be exposed to open flames.
5.3.2 PEX tubing shall not be exposed to temperatures exceeding 93ºC (200ºF).
5.4 Exposure to Chemicals.
5.4.1 Chemical compatibility (e.g., with common construction materials) shall be verified with the manufacturer prior to direct contact.
5.4.2 In general, petroleum- or solvent-based chemicals(e.g., paints, greases, pesticides, or sealants) shall not be allowed to come in direct contact with PEX tubing or fittings.
6.0 Thermal Expansion and Contraction.
6.1 Horizontal Tubing Runs.
6.2 Vertical Tubing Runs.
6.3 Clearance.
6.4 Expansion Arms and Expansion Loops.
6.4.1 Expansion Arms (See Figure 1).
6.4.1.1 Expansion arms shall be installed as illustrated in Figure 1.
6.4.1.2 The minimum length of expansion arms shall be calculated using the following equation:
413 6.4.2 Expansion Loops (See Figure 2).
6.4.2.1 Expansion loops shall be installed at the midpoint between anchors, as illustrated in Figure 2.
6.4.2.2 The minimum length of expansion loops shall be calculated using the equation in Section 6.4.1.2; however, the distance LB shall be divided into three sections, as illustrated in Figure 2, where
7.0 Hangers and Supports.
7.1 Vertical Tubing.
7.2 Horizontal Tubing.
7.3 Anchors.
8.0 Joints and Connections.
8.1 Assembly Procedure.
8.2 Concealed Joints.
9.0 Clearances.
9.1 Gas Vents.
9.2 Recessed Light Fixtures.
9.3 Fluorescent Lighting.
10.0 Other Considerations.
10.1 Hot-Work Joints.
10.2 Bending Radius.
10.2.1 The free (unsupported) bending radius for PEX tubing, measured at the outside of the bend, shall be not less than six times the actual outside diameter of the tubing, unless otherwise specified by the PEX manufacturer.
10.2.2 Tighter bends may be used when the PEX tubing is uniformly bent (supported) around a curved bracket or other rigid fixture.
414 10.3 Directional Fittings.
10.4 Direct Burial.
10.5 Fire-Resistive Construction.
10.6 Sizing and Flow Velocities.
10.6.1 PEX tubing shall be sized in accordance with IAPMO/ANSI UPC 1.
10.6.2 The tubing manufacturer’s pressure-loss data should be referenced when using Appendix A of IAPMO/ANSI UPC 1.
10.6.3 Flow velocities through the water distribution system, used for calculating flush tank and flush valve fixture units depending on the tubing sizes (see Table 1), shall not exceed
(a) 3.0 m/s (10 ft/s) for cold-water distribution systems; and

10.6.4 Hot-water recirculation systems shall
(a) be balanced to maintain adequate system temperatures; and

10.7 Installation Testing.
Figure 1 Expansion Arms
415 Table 1 Calculation Of Flush Tank And Flush Valve Fixture Units
Table 2 Tubing Sizes, Flows, And Friction Losses For Hot-Water Recirculation Systems
Figure 2 Expansion Loops
416 Figure 3 Pressure Loss Of PEX Tubing At 16 ºC (60ºF)
417 Figure 4 Pressure Loss Of PEX Tubing At 49 ºC (120ºF)
418 Appendix J – Combination of Indoor and Outdoor Combustion and Ventilation Opening Design
420 J 101.0 General.
J 101.1 Applicability.
J 101.2 Example of Combination Indoor and Outdoor Combustion Air Opening.
TABLE
421 Table J 101.2 Standard Method: Required Volume, All Appliances
422 Appendix K – Potable Rainwater Catchment Systems
424 Appendix L – Sustainable Practices
426 Appendix M – Peak Water Demand Calculator
428 Index
– A –
429 – B –
– C –
431 – D –
432 – E –
– F –
434 – G –
– H –
– I –
435 – J –
436 – L –
– M –
437 – N –
– O –
– P –
441 – Q –
– R –
442 – S –
446 – T –
448 – U –
– V –
450 – W –
451 – X –
– Y –
– Z –
452 History Note
CA LosAngelesCity PlumbingCode 2020
$102.92