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CA CityofLosAngelesPlumbingCode 2017

$102.92

City of Los Angeles Plumbing Code

Published By Publication Date Number of Pages
CA 2017 471
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This code includes the 2017 California Plumbing Code© with the City of Los Angeles amendments to that code (inserted as replacement pages) and a custom LA City binder bundled into one convenient publication.

PDF Catalog

PDF Pages PDF Title
10 Preface
Acknowledgements
11 California Code of Regulations Title 24
12 How to Distinguish Between Model Code Language and California 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
30 Related Publications and Services
33 Table of Contents
Chapter 1 Division I California Administration
Chapter 1 Division II Administration
34 Chapter 2 Definitons
Chapter 3 General Regulations
35 Chapter 4 Plumbing Fixtures and Fixture Fittings
36 Chapter 5 Water Heaters
37 Chapter 6 Water Supply and Distribution
39 Chapter 7 Sanitary Drainage
41 Chapter 8 Indirect Wastes
42 Chapter 9 Vents
Chapter 10 Traps and Interceptors
43 Chapter 11 Storm Drainage
Chapter 12 Fuel Gas Piping
45 Chapter 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems
47 Chapter 14 Firestop Protection
Chapter 15 Alternate Water Sources for Nonpotable Applications
48 Chapter 16 Nonpotable Rainwater Catchment Systems
Chapter 16A Non-Potable Water Reuse Systems
Chapter 17 Referenced Standards
Appendices Table of Contents
Appendix A Recommended Rules for Sizing the Water Supply System
Appendix B Explanatory Notes on Combination Waste and Vent Systems
Appendix C Alternate Plumbing Systems
Appendix D Sizing Storm Water Drainage Systems
Appendix E Manufactured/Mobile Home Parks and Recreational Vehicle Parks
Appendix F Firefighter Breathing Air Replenishment Systems
Appendix G Sizing of Venting Systems
Appendix H Private Sewage Disposal Systems
Appendix I Installation Standard for PEX Tubing Systems for Hot- and Cold-Water Distribution
Appendix J Combination of Indoor and Outdoor Combustion and Ventilation Opening Design
Appendix K Potable Rainwater Catchment Systems
Appendix L Sustainable Practices
Index
History Note Appendix
50 Chapter 1 – Administration
52 101.0 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.
TABLE
53 101.6 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.
54 101.11.6.2 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.
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 on 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.
55 102.2.2 Stop Orders.
102.2.3 Authority to Disconnect Utilities in Emergencies.
102.2.4 Authority to Condemn.
102.2.5 Liability.
102.3 Board of Appeals.
102.3.1 Limitations of Authority.
102.4 Violations.
102.5 Penalties.
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.
56 103.1.1.5 Transfer of Permits and Plan Checks.
103.1.2 Permits Not Required.
103.1.2.1 General.
103.1.2.2 General Repairs.
103.1.2.3 Stoppages and Leaks.
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 Section 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.
57 103.2 Application for Permit.
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.
58 103.4 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, above, a plan checking fee shall be assessed for checking the following systems:
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.
59 Table 103.4 Plumbing Permit Fee Schedule
61 103.4.6.7 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 One-Stop Surcharge.
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.
62 103.5.7.2 Responsibility.
103.5.7.3 Test Equipment.
103.5.8 Other Inspections.
103.5.8.1 Defective Systems.
103.5.8.2 Moved Structures.
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.
103.10 Certificate of Final Inspection.
103.10.1 Fees.
103.10.2 Approval.
103.10.3 To Whom Issued.
63 103.11 Qualified Installer.
103.12 Maintenance Certificate of Registration.
103.12.1 A Maintenance Certificate of Registration as defined in Chapter 2 of the Los Angeles Plumbing Code 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.
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.
64 103.15.2 Experience Required.
103.15.3 Board of Examiners.
103.15.4 Scope of the Examination.
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 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.
66 Chapter 2 – Definitions
68 201.0 General.
201.1 Applicability.
202.0 Definition of Terms.
202.1 General.
203.0 – A –
69 204.0 – B –
205.0 – C –
71 206.0 – D –
72 207.0 – E –
208.0 – F –
73 209.0 – G –
210.0 – H –
74 211.0 – I –
212.0 – J –
75 213.0 – K –
214.0 – L –
76 215.0 – M –
216.0 – N –
77 217.0 – O –
218.0 – P –
78 219.0 – Q –
220.0 – R –
79 221.0 – S –
80 222.0 – T –
223.0 – U –
224.0 – V –
81 225.0 – W –
226.0 – X –
227.0 – Y –
228.0 – Z –
82 Chapter 3 – General Regulations
84 301.0 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 and Fittings.
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
85 301.4.1 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.
86 306.0 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.
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, 2, 3 & 4] 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.
310.10 [OSHPD 1, 3 & 4] Floor drains and handwashing fixtures shall not be installed in operating and delivery rooms.
310.11 [SFM] For applications listed in Section 111 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, 2 & 4] Services/Systems and Utilities.
311.0 Independent Systems.
311.1 General.
87 312.0 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.
312.12.1 Meter Boxes.
312.12.2 Metal Collars.
312.12.3 Tub Waste Openings.
312.13 Exposed ABS Piping.
312.14 Exposed PVC Piping.
88 313.0 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, 2, 3 & 4] 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.
316.0 Increasers and Reducers.
316.1 General.
317.0 Food-Handling Establishments.
317.1 General.
Table 313.6 Hanger Rod Sizes
89 318.0 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, 2, 3 & 4] Medical Gas and Vacuum Systems.
319.1 General.
320.0 Rehabilitation of Piping Systems.
320.1 General.
321.0 Essential Plumbing Provisions.
90 Table 313.3 Hangers and Supports
92 Chapter 4 – Plumbing Fixtures and Fixture Fittings
94 401.0 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).
TABLES
95 402.6.2 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 Overflows.
404.1 General.
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.
406.2 Special Use Sinks.
96 406.3 Special Use Fixtures.
406.4 Zinc Alloy Components
407.0 Lavatories.
407.1 Application.
407.2 Water Consumption.
407.2.1 Maximum Flow Rate.
407.2.1.1 Kitchen Faucets.
407.2.1.2 Residential Lavatory Faucets.
407.2.1.3 Lavatory Faucets in Common and Public Use Areas.
407.2.2 Metering Faucets.
407.2.2.1 Metering Faucets.
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.
408.2.2 Multiple Showerheads Serving One Shower.
408.3 Individual Shower and Tub-Shower Combination Control Valves.
97 408.4 Waste Outlet.
408.5 Finished Curb or Threshold.
408.6 Shower Compartments.
408.7 Lining for Showers and Receptors.
98 408.7.1 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.
99 410.3 Limitation of Water Temperature in Bidets.
411.0 Water Closets.
411.1 Application.
411.2 Water Consumption.
411.2.1 Dual Flush Water Closets.
411.2.2 Performance.
411.2.3 Flushometer Valve Activated Water Closets.
411.2.3.1 Flushometer Valve Activated Water Closets.
411.2.4 Water Closets.
411.3 Water Closet Seats.
412.0 Urinals.
412.1 Application.
412.1.1 Wall Mounted Urinals.
412.1.2 Floor Mounted Urinals.
412.1.3 Nonwater Urinals.
412.2 Backflow Protection.
413.0 Flushing Devices.
413.1 Where Required.
413.2 Flushometer Valves.
413.3 Flush Tanks.
100 413.4 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.
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.
417.1.2 Metering Faucets for Wash Fountains.
417.2 Deck Mounted Bath/Shower Valves.
101 417.3 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.
420.3 Pre-Rinse Spray Valve.
420.4 Waste Outlet.
421.0 Floor Sinks.
421.1 Application.
421.2 Strainers.
102 422.0 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.
422.2 Separate Facilities.
422.2.1 Family or Assisted-Use Toilet Facilities.
422.2.2 [OSHPD 1, 2, 3 & 4] Separate toilet facilities shall be provided for the use of patients, staff personneland visitors.
422.3 Fixture Requirements for Special Occupancies.
422.4 Toilet Facilities Serving Employees and Customers.
422.4.1 Access to Toilet Facilities.
422.5 Toilet Facilities for Workers.
422.6 [CA] Cosmetology.
422.7 [CA] Cosmetology Establishments.
422.8 [DHS] Commissaries Serving Mobile Food Preparation Units.
422.9 [DPH] Employee Lavatories in Food Establishments.
103 Table 422.1 Minimum Plumbing Facilities
108 Table A. Occupant Load Factor:
109 Table 4-2 Minimum Plumbing Facilities
112 Table 4-3
113 Table 4-4
114 Chapter 5 – Water Heaters
116 501.0 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.
504.3.1 Listed Water Heaters.
504.3.2 Unlisted Water Heaters.
TABLES
Table 501.1(1) First Hour Rating
117 504.4 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
Table 501.1(2) Water Heaters
118 506.2.1 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.
506.4.2 One Permanent Opening Method.
Figure 506.3 Combustion Air From Adjacent Indoor Spaces through Indoor Combustion Air Openings
119 Figure 506.4(1) Combustion Air from Outdoors Inlet Air from Ventilated Crawl Space and Outlet Air to Ventilated Attic
Figure 506.4(2) Combustion Air from Outdoors through Ventilated Attic
Figure 506.4(3) Combustion Air from Outdoors through Horizontal Ducts
Figure 506.4.2 Combustion Air from Outdoors through Single Combustion Air Opening
120 506.5 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.
507.0 Appliance and Equipment Installation Requirements.
507.1 Dielectric Insulator
507.2 Seismic Provisions.
121 507.3 Support of Appliances.
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.
507.13 Installation in Garages.
122 507.13.1 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.
123 507.23 Combination of Appliances and Equipment.
507.24 Installation Instructions.
507.25 Protection of Outdoor Appliances.
507.26 Accessibility for Service.
508.0 Equipment and Appliances on Roofs.
508.1 General.
508.1.1 Load Capacity.
508.1.2 Fasteners.
508.2 Installation of Equipment and Appliances on Roofs.
508.2.1 Clearance.
508.2.2 Electrical Power.
508.2.3 Platform or Walkway.
508.3 Access to Equipment and 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.
508.4.1 Length of Passageway.
124 508.4.2 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 Ventilating Hoods.
509.2.3 Well-Ventilated Spaces.
509.2.4 Direct-Vent Appliances.
509.2.5 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.
509.3.3.3 Vent Connectors.
509.3.3.4 Operation
509.3.3.5 Exit Terminals.
125 509.3.4 Ventilating Hoods and Exhaust Systems.
509.3.4.1 Automatically Operated Appliances.
509.3.5 Circulating Air Ducts and Furnace Plenums.
509.4 Type of Venting System to be Used.
509.4.1 Plastic Piping.
509.4.2 Plastic Vent Joints.
509.4.3 Special Gas Vents.
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.
126 509.5.6 Inspection of Chimneys.
Table 509.4 Type of Venting System to be Used
Figure 509.5.4 Typical Termination Locations for Chimneys and Single-Wall Metal Pipes Serving Residential-Type and Low Heat Appliance
127 509.5.6.1 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.
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.
509.6.1 Fasteners.
509.6.2 Termination Requirements.
509.6.2.1 Type B and L Vents.
509.6.2.2 Type B-W Vents.
128 509.6.2.3 Exterior Wall Termination.
509.6.2.4 Decorative Shrouds.
509.6.2.5 Termination Cap.
509.6.2.6 Forced Air Inlet.
509.6.2.7 Insulation Shield.
509.6.3 Size of Gas Vents.
509.6.3.1 Category I Appliances.
509.6.3.2 Vent Offsets.
509.6.3.3 Sizing.
509.6.4 Gas Vents Serving Appliances on more than One Floor.
Table 509.6.2 Roof Pitch Height
Figure 509.6.2 Gas Vent Termination Locations for Listed Caps 12 Inches or Less in Size not Less than 8 Feet from a Vertical Wall
129 509.6.4.1 Occupiable Space.
509.6.4.2 Multistory Venting System.
509.6.5 Support of Gas Vents.
509.6.6 Marking.
509.7 Single-Wall Metal Pipe.
509.7.1 Cold Climate.
509.7.2 Termination.
509.7.3 Installation with Appliances Permitted by Table 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.
Figure 509.6.4.1 Plan View of Practical Separation Method for Multistory Gas Venting
130 509.7.3.5 Combustible Exterior Wall.
509.7.3.6 Roof Thimble.
509.7.4 Size of Single-Wall Metal Pipe.
509.7.4.1 Sizing of Venting System.
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.
Table 509.7.3(1) Clearance for Connectors
131 509.8.1 Mechanical Draft Venting System.
509.8.2 Direct-Vent Appliance.
509.8.3 Nuisance and Hazard.
Figure 509.7.3(1) Extent of Protection Necessary to Reduce Clearances from Gas Appliances or Vent Connectors
Figure 509.7.3(2) Wall Protection Reduction System
Figure 509.7.3(3) Masonry Clearance Reduction Systems
132 Table 509.7.3(2) Reduction of Clearances with Specified Forms of Protection
133 509.8.4 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.
Figure 509.8 Exit Terminals of Mechanical Draft and Direct-Vent Venting Systems
134 509.10.1.3 Non-Residential Low-Heat Appliances.
509.10.1.4 Medium-Heat Appliances.
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.
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 and Commercial and Industrial Incinerators
135 509.10.3 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.
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 Draft Hoods and Draft Controls.
509.11.1 Installation.
136 509.11.2 Draft Control Devices.
509.11.3 Additional Devices.
509.11.4 Location.
509.11.5 Positioning.
509.11.6 Clearance.
509.12 Manually Operated Dampers.
509.13 Automatically Operated Vent Dampers.
509.13.1 Listing.
509.14 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.
137 510.1.2 Elbows.
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.
138 510.2 Multiple Appliance Vent Table 510.2(1) through Table 510.2(9).
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 Common Vent Minimum Size.
Table 510.2.1 Vent Connector Maximum Length
139 510.2.7 Tee and Wye Fittings.
510.2.8 Size of Fittings.
510.2.9 High-Altitude Installations.
510.2.10 Connector Rise.
510.2.11 Vent Height.
510.2.12 Multistory Installations.
510.2.13 Size of Vents for Multistory Installations.
510.2.14 Vent Type Multistory Installations.
510.2.15 Offsets in Multistory Installations.
510.2.16 Vertical Vent Size Limitation.
510.2.17 Multiple Input Ratings.
510.2.18 Corrugated Metallic Chimney Liner Reduction.
510.2.19 Chimneys and Vents.
140 510.2.20 Vent Connector Sizing.
510.2.21 Combination of Pipe Types and Sizes.
510.2.22 Multiple Connector and Vent Sizes.
510.2.23 Interpolation.
510.2.24 Extrapolation.
510.2.25 Engineering Methods.
510.2.26 Height Entries.
141 FIGURES
Figure 510.1.2(6) Range of Winter Design Temperatures Used in Analyzing Exterior Masonry Chimneys in the United States
142 Table 510.1.2(1) Type B Double-Wall Gas Vent
145 Table 510.1.2(2) Type B Double-Wall Gas Vent
147 Table 510.1.2(3) Masonry Chimney
149 Table 510.1.2(4) Masonry Chimney
151 Table 510.1.2(5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent
152 Table 510.1.2(6) Exterior Masonry Chimney
153 Table 510.2(1) Type B Double-Wall Vent
157 Table 510.2(2) Type B Double-Wall Vent
159 TABLE 510.2(3) Masonry Chimney
161 TABLE 510.2(4) Masonry Chimney
163 TABLE 510.2(5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent
TABLE 510.2(6) Exterior Masonry Chimney
164 TABLE 510.2(7) Exterior Masonry Chimney
165 TABLE 510.2(8) Exterior Masonry Chimney
166 TABLE 510.2(9) Exterior Masonry Chimney
168 Chapter 6 – Water Supply and Distribution
170 601.0 General.
601.1 Applicability.
601.2 Hot and Cold Water Required.
601.3 Identification of a Potable and Nonpotable WaterSystem.
601.3.1 Potable Water.
601.3.2 Color and Information.
601.3.3 Alternate Water Sources.
Table 601.3.2 Minimum Length of Color Field and Size of Letters
171 601.3.4 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, in vapor lines serving inedible product rendering tanks, and in sewer lines for moving heavy solids in the sewage.
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 than 180°F (82°C) shall be available when used for sanitizing purposes.
601.5.8 Pens, alleys, and runways shall have hose connections for 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.
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.
172 601.8.2 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.
603.3.1 Air Gap.
603.3.2 Atmospheric Vacuum Breaker (AVB).
173 Table 603.2 Backflow Prevention Devices, Assemblies, and Methods
175 603.3.3 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
176 603.4.4 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.
177 603.5.6.2 Systems with Backflow Devices.
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.
178 603.5.16 Special Equipment.
603.5.17 Potable Water Outlets and Valves.
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.
604.0 Materials.
604.1 Pipe, Tube, and Fittings.
604.1.1 Local Authority to Approve CPVC Pipe Within Residential Buildings Under Specified Conditions.
179 604.1.2 PEX.
604.2 Lead Content.
180 604.2.1 Lead Content of Water Supply Pipe and Fittings.
604.3 Copper or Copper Alloy Tube.
604.4 Hard-Drawn Copper or Copper Alloy Tubing.
604.5 Flexible Connectors.
Table 604.1 Materials for Building Supply and Water Distribution Piping and Fittings
181 604.6 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 Pressed Fittings.
605.1.3.3 Push Fit Fittings.
182 605.1.4 Soldered Joints.
605.1.5 Threaded Joints.
605.2 CPVC Plastic Pipe and Joints.
605.2.1 Mechanical Joints.
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.
605.4 Ductile Iron Pipe and Joints.
605.4.1 Mechanical Joints.
183 605.4.2 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.
605.7.1.1 Compression Joints.
184 605.8 PE-RT.
605.8.1 Fittings.
605.9 PEX Plastic Tubing and Joints.
605.9.1 Fittings.
605.9.2 Mechanical Joints.
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.
605.12.2 Solvent Cement Joints.
185 605.12.3 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.
186 606.6 Accessible.
606.7 Multiple Fixtures.
606.8 [OSHPD 1, 2, 3, & 4] 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.
187 608.6 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.
188 609.8 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.
189 Table 610.3 Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes
190 Table 610.4 Fixture Unit Table for Determining Water Pipe and Meter Sizes
191 610.4.1 Hot Water Delivery.
610.4.1.1 The hot water system shall not allow more than 0.6 gallons (2.3 L) 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 (2.3 L).
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.
192 610.11 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.
TABLES
Table 610.10 Flushometer Fixture Units for Water Sizing Using Tables 610.3
193 611.0 Drinking Water Treatment Units.
611.1 Application.
611.2 Air Gap Discharge.
611.3 Connection Tubing.
611.4 Sizing of Residential Softeners.
612.0 Residential Fire Sprinkler Systems.
612.1 Where Required.
612.2 Types of Systems.
612.3 Sprinklers.
612.3.1 Required Sprinkler Locations.
612.3.2 Sprinkler Installation.
612.3.3 Temperature Rating and Separation from Heat Sources.
612.3.3.1 Intermediate Temperature Sprinklers.
Table 611.4 Sizing of Residential Water Softeners
194 Table 612.3.6 Minimum Separation from Obstruction
195 612.3.4 Freezing Areas.
612.3.5 Coverage Area Limit.
612.3.6 Obstructions to Sprinkler Coverage.
612.3.6.1 Additional Requirements for Pendent Sprinklers.
612.3.6.2 Additional Requirements for Sidewall Sprinklers.
612.3.7 Sprinkler Modifications Prohibited.
612.3.8 Backflow Protection.
612.4 Sprinkler Piping System.
612.4.1 General.
612.4.2 Nonmetallic Pipe and Tubing.
612.4.2.1 Nonmetallic Pipe Protection.
612.4.2.2 Sprinkler Installation on Systems Assembled with Solvent Cement.
Table 612.3.3.1 Locations Where Intermediate Temperature Sprinklers Are Required
196 612.4.3 Shutoff Valves Prohibited.
612.4.4 Single Dwelling Limit.
612.4.5 Drain.
612.5 Sprinkler Piping Design.
612.5.1 Determining System Design Flow.
612.5.1.1 Determining Required Flow Rate for Each Sprinkler.
612.5.1.2 System Flow Rate.
612.5.1.3 Fire Sprinklers Attached Garages, and Carports with Habitable Space Above.
612.5.2 Sprinkler Pipe Water Supply.
612.5.2.1 Water Pressure from Individual Sources.
197 612.5.2.2 Required Capacity.
612.5.3 Sprinkler Pipe Sizing.
612.5.3.1 Sprinkler Pipe Sizing Method.
612.5.3.2 Prescriptive Pipe Sizing Method.
612.5.3.2.1 Available Pressure Equation.
Table 612.5.3.2(1) Water Service Pressure Loss (PLws)
198 612.5.3.2.2 Calculation Procedure.
612.6 Instructions and Signs.
612.7 Inspection and Testing.
612.7.1 Pre-Concealment Inspection.
199 612.7.2 Final Inspection.
Table 612.5.3.2(2) Minimum Water Meter Pressure Loss (PLm)
Table 612.5.3.2(3) Elevation Loss (PLe)
200 Table 612.5.3.2(4) Allowable Pipe Length for 3⁄4 Inch Type M Copper Water Tubing
201 Table 612.5.3.2(5) Allowable Pipe Length for 1 Inch Type M Copper Water Tubing
202 Table 612.5.3.2(6) Allowable Pipe Length for 3⁄4 Inch IPS CPVC Pipe
203 Table 612.5.3.2(7) Allowable Pipe Length for 1 Inch IPS CPVC Pipe
204 Table 612.5.3.2(8) Allowable Pipe Length for 3⁄4 Inch PEX Tubing
205 Table 612.5.3.2(9) Allowable Pipe Length for 1 Inch PEX Tubing
206 613.0 [OSHPD 1, 2, 3 & 4] 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.
614.0 Dialysis Water-Distribution Systems.
614.1 [OSHPD 1, 2, 3, & 4] 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 orcentral dialysis units.
615.0 Identification of Potable and Nonpotable Water Lines.
615.1 Uses Not Permitted.
615.1.1 [OSHPD 1, 2, 3 & 4] 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, 2, 3 & 4] 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, 2, 3 & 4] 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.
Table 613.1 [OSHPD 1, 2, 3 & 4] Hot Water Use
207 615.4 [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.
208 Chapter 7 – Sanitary Drainage
210 701.0 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
211 Table 701.2 Materials for Drain, Waste, Vent Pipe and Fittings
212 Table 702.1 Drainage Fixture Unit Values (DFU)
213 702.2 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
214 705.2.1 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.
Table 703.2 Maximum Unit Loading and Maximum Length of Drainage and Vent Piping
215 705.3.2 Mechanical Joints.
705.3.3 Soldered Joints.
705.3.4 Threaded Joints.
705.4 Galvanized Steel Pipe and Joints.
705.4.1 Mechanical Joints.
705.4.2 Threaded Joints.
705.5 PVC and PVC Co-Extruded Plastic Pipe and Joining Methods.
705.5.1 Mechanical Joints.
705.5.2 Solvent Cement Joints.
705.5.3 Threaded Joints.
705.6 Stainless Steel Pipe and Joints.
705.6.1 Mechanical Joints.
705.6.2 Welded Joints.
705.7 Vitrified Clay Pipe and Joints.
705.7.1 Mechanical Joints.
216 705.8 Special Joints.
705.8.1 Slip Joints.
705.8.2 Expansion Joints.
705.8.3 Ground Joint, Flared, or Ferrule Connections.
705.8.4 Transition Joint.
705.9 Joints Between Various Materials.
705.9.1 Copper or Copper Alloy Pipe to Cast-Iron Pipe.
705.9.2 Copper or Copper Alloy Pipe to Threaded Pipe Joints.
705.9.3 Plastic Pipe to Other Materials.
705.9.4 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.
707.0 Cleanouts.
707.1 Plug.
Table 707.1 Cleanouts
217 707.2 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.
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.
218 710.3 Sewage Ejector and Pumps.
710.3.1 [HCD 1 & HCD 2] The minimum size of any pump or any discharge pipe from a sump having a water closet connected thereto shall be not less than 2 inches (50 mm).
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.
710.11 Air Tanks.
710.12 Grinder Pump Ejector.
710.12.1 Discharge Piping.
219 710.13 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.
713.5 Permit.
220 713.6 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
221 718.2 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.
721.2 Abutting Lot.
222 722.0 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 run off 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 backwater 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.

Table 721.1 Minimum Horizontal Distance Required from Building Sewer (feet)
223 727.0 [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 onsite 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.
224 Chapter 8 – Indirect Wastes
226 801.0 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
227 804.0 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.
228 810.2 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.
Table 810.1 Pipe Connections in Blowoff Condensers and Sumps (inches)
229 814.0 Condensate Waste and Control.
814.1 Condensate Disposal.
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.
Table 814.3 Minimum Condensate Pipe Size
230 814.5 Point of Discharge.
814.6 Condensate Waste From Air-Conditioning Coils.
814.7 Plastic Fittings.
232 Chapter 9 – Vents
234 901.0 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, 2, 3 & 4] 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.
235 905.0 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, 2, 3 & 4] 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.
236 908.1.2 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.
237 911.0 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.
238 Chapter 10 – Traps and Interceptors
240 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.
TABLES
Table1002.2 Horizontal Lengths of Trap Arms (Except for Water Closets and Similar Fixtures)
241 1003.2 Slip Joint Fittings.
1003.3 Size.
1004.0 Traps.
1004.1 Prohibited.
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.
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.
242 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.
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, 2, 3 & 4] 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, 2, 3 & 4] Grease interceptors shall not be installed in food preparation area of the kitchens.
1014.1C [OSHPD 1, 2, 3 & 4] 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.
243 1014.1.3 Food Waste Disposers and Dishwashers.
1014.2 Hydromechanical Grease Interceptors.
1014.2.1 Capacity.
1014.2.2 Vent.
1014.3 Gravity Grease Interceptors.
1014.3.1 General.
TABLE 1014.2.1 Hydromechanical Grease Interceptor Sizing Using Gravity Flow Rates
244 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.
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, 2, 3 & 4] Grease interceptors shall not be installed in food preparation area of kitchens.
1015.6 [OSHPD 1, 2, 3 & 4] Grease interceptors shall be installed outside of the kitchen area in location affording ease of maintenance and servicing.
TABLE 1014.3.6 Gravity Grease Interceptor Sizing
245 1016.0 Sand Interceptors.
1016.1 Discharge.
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.
246 Chapter 11 – Storm Drainage
248 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, 2, 3 & 4] 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.
1101.6.1 Discharge.
TABLES
Table 1101.4.6 Materials for Subsoil Drain Pipe and Fittings
249 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.
250 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.
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 Si z e of Horizontal Storm Drains and Sewers.
1103.3 Size of Roof Gutters.
1103.4 Side Walls Draining onto a Roof.
251 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
252 1106.0 Testing.
1106.1 Testing Required.
1106.2 Methods of Testing Storm Drainage Systems.
1106.2.1 Water Test.
1106.2.2 Air Test.
1106.2.3 Exceptions.
Table 1105.1(2) Distance of Scupper Bottoms Above Roof
253 Table 1101.8 Sizing of Horizontal Rainwater Piping
254 Table 1101.12 Sizing Roof Drains, Leaders, and Vertical Rainwater Piping
255 Table 1103.3 Size of Gutters
256 Chapter 12 – Fuel Gas Piping
258 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.
1203.4 Inspection Waived.
TABLES
FIGURES
259 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.
260 1208.4.2 Sizing Methods.
1208.4.3 Allowable Pressure Drop.
1208.5 Acceptable Piping Materials and Joining Methods.
1208.5.1 Materials.
1208.5.1.1 Other Materials.
1208.5.2 Metallic Pipe.
1208.5.2.1 Steel and Wrought-Iron.
1208.5.2.2 Copper and Copper Alloy.
1208.5.2.3 Aluminum Alloy.
1208.5.3 Metallic Tubing.
1208.5.3.1 Steel.
TABLE 1208.4.1 Approximate Gas Input for Typical Appliances
261 1208.5.3.2 Copper and Copper Alloy.
1208.5.3.3 Aluminum Alloy.
1208.5.3.4 Corrugated Stainless Steel.
1208.5.4 Plastic Pipe, Tubing, and Fittings.
1208.5.4.1 Regulator Vent Piping.
1208.5.4.2 Anodeless Risers.
1208.5.4.2.1 Factory-Assembled Anodeless Risers.
1208.5.4.2.2 Service Head Adapters and Field-Assembled Anodeless Risers.
1208.5.4.2.3 Undiluted Liquefied Petroleum Gas Piping.
1208.5.5 Workmanship and Defects.
1208.5.6 Protective Coating.
1208.5.7 Metallic Pipe Threads.
1208.5.7.1 Damaged Threads.
1208.5.7.2 Number of Threads.
1208.5.7.3 Thread Joint Compounds.
1208.5.8 Metallic Piping Joints and Fittings.
1208.5.8.1 Pipe Joints.
TABLE 1208.5.7.2 Specifications for Threading Metallic Pipe
262 1208.5.8.2 Tubing Joints.
1208.5.8.3 Flared Joints.
1208.5.8.4 Metallic Pipe Fittings (Including Valves, Strainers, Filters).
1208.5.9 Plastic Piping, Joints, and Fittings.
1208.5.9.1 Joint Design.
1208.5.9.2 Heat-Fusion Joint.
1208.5.9.3 Compression-Type Mechanical Joints.
1208.5.9.4 Liquefied Petroleum Gas Piping Systems.
1208.5.10 Flanges.
1208.5.10.1 Flange Facings.
1208.5.10.2 Lapped Flanges.
1208.5.11 Flange Gaskets.
263 1208.6 Gas Meters.
1208.6.1 Location.
1208.6.1.1 Subject to Damage.
1208.6.1.2 Extreme Temperatures.
1208.6.2 Supports.
1208.6.3 Meter Protection.
1208.6.4 Identification.
1208.7 Gas Pressure Regulators.
1208.7.1 Overpressure Protection.
1208.7.2 Listing.
1208.7.3 Location.
1208.7.4 Regulator Protection.
1208.7.5 Venting of Line Pressure Regulators.
1208.7.6 Venting of Gas Appliance Pressure Regulators.
264 1208.7.7 Discharge of Vents.
1208.7.8 Bypass Piping.
1208.7.9 Identification.
1208.8 Backpressure Protection.
1208.8.1 Protective Devices.
1208.9 Low-Pressure Protection.
1208.10 Shutoff Valves.
1208.11 Expansion and Flexibility.
1208.11.1 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.
265 1210.1.2 Trenches.
1210.1.2.1 Backfilling.
1210.1.3 Protection Against Corrosion.
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 Wire
1210.2 Installation of Piping.
1210.2.1 Building Structure.
1210.2.2 Gas Piping to be Sloped.
1210.2.2.1 Ceiling Locations.
266 1210.2.3 Prohibited Locations.
1210.2.4 Hangers, Supports, and Anchors.
1210.2.4.1 Spacing.
1210.2.4.2 Expansion and Contraction.
1210.2.5 Removal of Piping.
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.
1210.4 Piping in Vertical Chases.
1210.4.1 Pressure Reduction.
TABLE 1210.2.4.1 Support of Piping
267 1210.4.2 Construction.
1210.4.3 Ventilation.
1210.5 Maximum Design Operating Pressure.
1210.6 Appliance Overpressure Protection.
1210.7 Gas Pipe Turns.
1210.7.1 Metallic Pipe.
1210.7.2 Plastic Pipe.
1210.7.3 Elbows.
1210.8 Drips and Sediment Traps.
1210.8.1 Location of Drips.
1210.8.2 Sediment Traps.
1210.9 Outlets.
268 1210.9.1 Cap Outlets.
1210.9.1.1 Appliance Shutoff Valves.
1210.10 Branch Pipe Connection.
1210.11 Manual Gas Shutoff Valves.
1210.11.1 Valves Controlling Multiple Systems.
1210.11.1.1 Shutoff Valves for Multiple House Lines.
1210.11.2 Emergency Shutoff Valves.
1210.11.3 Shutoff Valve for Laboratories.
1210.12 Prohibited Devices.
1210.13 Systems Containing Gas-Air Mixtures Outside the Flammable Range.
1210.14 Systems Containing Flammable Gas-Air Mixtures.
1211.0 Electrical Bonding and Grounding.
1211.1 Pipe and Tubing other than CSST.
1211.2 Bonding of CSST Gas Piping.
1211.3 Grounding Conductor or Electrode.
1211.4 Lightning Protection System.
1211.5 Electrical Circuits.
1211.6 Electrical Connections.
269 1211.6.1 Safety Control.
1211.7 Earthquake-Actuated Gas Shutoff Valves
1212.0 Appliance Connections to Building Piping.
1212.1 Connecting Gas Appliances.
1212.1.1 Commercial Cooking Appliances.
1212.1.2 Restraining Device.
1212.2 Suspended Low-Intensity Infrared Tube Heaters.
1212.3 Use of Gas Hose Connectors.
1212.3.1 Indoor
1212.3.2 Outdoor.
1212.4 Connection of Portable and Mobile Industrial Gas Appliances.
1212.4.1 Swivel Joints or Couplings.
1212.4.2 Metal Flexible Connectors.
270 1212.4.3 Flexible Connectors.
1212.5 Appliance Shutoff Valves and Connections.
1212.6 Quick-Disconnect Devices.
1212.7 Gas Convenience Outlets.
1212.8 Sediment Trap.
1212.9 Installation of Piping.
1212.10 Liquefied Petroleum Gas Facilities and Piping.
1213.0 Pressure Testing and Inspection.
1213.1 Piping Installations.
1213.1.1 Inspection Requirements.
1213.1.2 Repairs and Additions.
1213.1.3 New Branches.
1213.1.4 Piping System.
Figure 1212.8 Method of Installing a Tee Fitting Sediment Trap
271 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 (less than) Operating Pressures.
1213.2.5 Designed for (equal to or more than) Operating Pressures.
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.
1213.6.1 Piping Systems Required to be Purged Outdoors.
272 1213.6.1.1 Removal from Service.
1213.6.1.2 Placing in Operation.
1213.6.1.3 Outdoor Discharge of Purged Gases.
1213.6.1.4 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.
1213.6.3 Purging Appliances and Equipment.
1214.0 Interconnections Between Gas Piping Systems.
1214.1 Interconnections Supplying Separate Users.
TABLE 1213.6.1 Size and Length of Piping
273 1214.2 Interconnections for Standby Fuels.
1215.0 Required Gas Supply.
1215.1 General.
1215.2 Volume.
1215.3 Gas Appliances.
1215.4 Size of Piping Outlets.
1216.0 Required Gas Piping Size.
1216.1 Pipe Sizing Methods.
1216.1.1 Longest Length Method.
1216.1.2 Branch Length Method.
1216.1.3 Hybrid Pressure.
1216.2 Tables for Sizing Gas Piping Systems.
1216.3 Sizing Equations.
274 1216.4 Sizing of Piping Sections.
1216.5 Engineering Methods.
1216.6 Variable Gas Pressure.
1217.0 Seismic Gas Shutoff Valves.
1217.1 Definitions.
1217.2 Scope.
TABLE 1216.3 Cr and Y for Natural Gas and Undiluted Propane at Standard Conditions
275 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 atmore than $10,000 and a building permit for the work in commercial buildings was first issued on or after September 1, 1995.
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 valve installed either in compliance with 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.
276 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.
1217.3.8 Excess flow shutoff valves must be in compliance with all requirements of California Referenced Standard 12-16-12.
277 Figure 1216.1.1 Example Illustrating Use of Table 1208.4.1 and Table 1216.2(1)
278 TABLE 1216.2(1) Schedule 40 Metallic Pipe
279 TABLE 1216.2(2) Schedule 40 Metallic Pipe
280 TABLE 1216.2(3) Schedule 40 Metallic Pipe
281 TABLE 1216.2(4) Schedule 40 Metallic Pipe
282 TABLE 1216.2(5) Schedule 40 Metallic Pipe
283 TABLE 1216.2(6) Schedule 40 Metallic Pipe
284 TABLE 1216.2(7) Semi-Rigid Copper Tubing
285 TABLE 1216.2(8) Semi-Rigid Copper Tubing
286 TABLE 1216.2(9) Semi-Rigid Copper Tubing
287 TABLE 1216.2(10) Semi-Rigid Copper Tubing
288 TABLE 1216.2(11) Semi-Rigid Copper Tubing
289 TABLE 1216.2(12) Semi-Rigid Copper Tubing
290 TABLE 1216.2(13) Semi-Rigid Copper Tubing
291 TABLE 1216.2(14) Corrugated Stainless Steel Tubing (CSST)
292 TABLE 1216.2(15) Corrugated Stainless Steel Tubing (CSST)
293 TABLE 1216.2(16) Corrugated Stainless Steel Tubing (CSST)
294 TABLE 1216.2(17) Corrugated Stainless Steel Tubing (CSST)
295 TABLE 1216.2(18) Corrugated Stainless Steel Tubing (CSST)
296 TABLE 1216.2(19) Polyethylene Plastic Pipe
297 TABLE 1216.2(20) Polyethylene Plastic Pipe
298 TABLE 1216.2(21) Polyethylene Plastic Pipe
299 TABLE 1216.2(22) Polyethylene Plastic Tubing
TABLE 1216.2(23) Polyethylene Plastic Tubing
300 TABLE 1216.2(24) Schedule 40 Metallic Pipe
301 TABLE 1216.2(25) Schedule 40 Metallic Pipe
302 TABLE 1216.2(26) Schedule 40 Metallic Pipe
303 TABLE 1216.2(27) Schedule 40 Metallic Pipe
304 TABLE 1216.2(28) Semi-Rigid Copper Tubing
305 TABLE 1216.2(29) Semi-Rigid Copper Tubing
306 TABLE 1216.2(30) Semi-Rigid Copper Tubing
307 TABLE 1216.2(31) Corrugated Stainless Steel Tubing (CSST)
308 TABLE 1216.2(32) Corrugated Stainless Steel Tubing (CSST)
309 TABLE 1216.2(33) Corrugated Stainless Steel Tubing (CSST)
310 TABLE 1216.2(34) Polyethylene Plastic Pipe
311 TABLE 1216.2(35) Polyethylene Plastic Pipe
312 TABLE 1216.2(36) Polyethylene Plastic Tubing
314 Chapter 13 – Health Care Facilities and Medical Gas and Medical Vacuum Systems
316 Chapter 14 – Firestop Protection
318 Chapter 15 – Alternate Water Sources for Nonpotable Applications
320 1501.0 General
1501.1 Applicability.
1501.1.1 Allowable Use of Alternate Water.
1501.2 System Design.
1501.3 Permit.
1501.4 Component Identification.
1501.5 Maintenance and Inspection.
1501.5.1 Maintenance Responsibility.
1501.6 Operation and Maintenance Manual.
1501.7 Minimum Water Quality Requirements.
1501.8 Material Compatibility.
321 1501.9 System Controls.
1501.10 Commercial, Industrial, Institutional, and Residential Restroom Signs.
1501.10.1 Equipment Room Signs.
1501.11 Inspection and Testing.
1501.11.1 Supply System Inspection and Test.
1501.11.2 Cross-Connection Inspection and Testing.
1501.11.2.1 Visual System Inspection.
TABLES
Table 1501.5 [BSC] Recommended Minimum Alternate Water Source Testing, Inspection, and Maintenance Frequency
322 1501.11.2.2 Cross-Connection Test.
1501.11.2.3 Discovery of Cross-Connection.
1501.11.2.4 Annual Inspection.
1501.12 Separation Requirements.
323 1501.13 Abandonment.
1501.13.1 General.
1501.13.2 Underground Tank.
1501.14 Sizing.
1502.0 Gray Water Systems.
1502.1 General.
1502.1.1 [HCD 1] Clothes Washer System.
324 1502.1.2 Simple System.
1502.1.3 Complex System.
1502.2 System Requirements.
1502.2.1 Surge Capacity.
1502.2.2 Diversion.
1502.2.3 Backwater Valves.
1502.3 Connections to Potable and Reclaimed (Recycled) Water Systems.
1502.4 Location.
325 1502.5 Plot Plan Submission.
1502.6 Prohibited Location.
1502.7 Drawings and Specifications.
Table 1502.4 Location of Gray Water System
326 1502.8 Procedure for Estimating Gray Water Discharge.
1502.8.1 Residential Occupancies.
1502.8.2 Commercial, Industrial, and Institutional Occupancies.
1502.8.2.1 Lavatories.
1502.8.2.2 Showers.
1502.8.2.3 Commercial Clothes Washers.
1502.8.3 Daily Discharge.
1502.9 Gray Water System Components.
1502.9.1 Surge Tanks.
327 1502.9.2 Gray Water Pipe and Fitting Materials.
1502.9.2.1 Animals and Insects.
1502.9.2.2 Freeze Protection.
1502.10 Subsurface Irrigation System Zones.
1502.10.1 Required Area of Subsurface Irrigation Fields, Subsoil Irrigation Fields and Mulch Basins.
1502.10.2 Determination of Maximum Absorption Capacity.
1502.10.3 Groundwater Level.
Table 1502.10 Design of Six Typical Soils
328 1502.11 Irrigation, Disposal Field and Mulch Basin Construction.
1502.11.1 Mulch Basin.
1502.11.2 Irrigation Field.
1502.11.3 Disposal Field.
Table 1502.11 Subsurface Irrigation Design Criteria for Six Typical Soils
329 1502.12 Gray Water System Color and Marking Information.
1502.13 Other Collection and Distribution Systems.
1502.13.1 Future Connections.
1502.14 Testing.
1502.15 Maintenance.
1503.0 Reclaimed (Recycled) Water Systems.
1503.1 General.
1503.2 Permit.
1503.2.1 Plumbing Plan Submission.
1503.3 System Changes.
1503.4 Connections to Potable or Reclaimed (Recycled) Water Systems.
Table 1502.11.3 Subsoil Irrigation Field Construction
330 1503.5 Initial Cross-Connection Test.
1503.6 Reclaimed (Recycled) Water System Materials.
1503.7 Reclaimed (Recycled) Water System Color and Marking Information.
1503.8 Valves.
1503.9 Hose Bibbs.
1503.10 Required Appurtenances.
1503.11 Same Trench as Potable Water Pipes.
1503.12 Signs.
1503.13 Inspection and Testing.
1504.0 On-Site Treated Nonpotable Gray Water Systems.
1504.1 General.
1504.2 Plumbing Plan Submission.
1504.3 System Changes.
1504.4 Connections to Potable or Reclaimed (Recycled) Water Systems.
FIGURES
Figure 1503.9
331 1504.5 Initial Cross-Connection Test.
1504.6 On-Site Treated Nonpotable Gray Water System Materials.
1504.7 On-Site Treated Nonpotable Gray Water Devices and Systems.
1504.8 On-Site Treated Nonpotable Gray Water System Color and Marking Information.
1504.9 Valves.
1504.10 Design and Installation.
1504.10.1 Listing Terms and Installation Instructions.
1504.10.2 Minimum Water Quality.
1504.10.3 Deactivation and Drainage.
1504.10.4 Near Underground Potable Water Pipe.
1504.10.5 Required Filters.
1504.10.6 Disinfection.
1504.11 Signs.
1504.12 Inspection and Testing.
332 Chapter 16 – Nonpotable Rainwater Catchment Systems
334 1601.0 General.
1601.1 Applicability.
1601.1.1 Allowable Use of Alternate Water.
1601.2 System Design.
1601.3 Permit.
1601.4 Maintenance and Inspection.
1601.4.1 Maintenance Responsibility.
1601.5 Operation and Maintenance Manual.
1601.6 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.
FIGURES
335 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.
1602.9.2 Deactivation and Drainage for Cross-Connection Test.
1602.9.3 Rainwater Catchment System Surfaces.
1602.9.3.1 Other Surfaces.
1602.9.3.2 Prohibited Discharges.
1602.9.4 Minimum Water Quality.
1602.9.4.1 Disinfection.
1602.9.5 Rainwater Storage Tanks.
Figure 1602.9
336 1602.9.5.1 Construction.
1602.9.5.2 Location.
1602.9.5.3 Above Grade.
1602.9.5.4 Below Grade.
1602.9.5.5 Drainage and Overflow.
1602.9.5.5.1 Overflow Outlet Size.
TABLES
Table 1602.9.4 Minimum Treatment and Water Quality for Rainwater
337 1602.9.5.6 Opening and Access Protection.
1602.9.5.7 Marking.
1602.9.5.8 Storage Tank Venting.
1602.9.6 Pumps.
1602.9.7 Roof Drains.
1602.9.8 Water Quality Devices and Equipment.
1602.9.9 Freeze Protection.
1602.9.10 Debris Removal.
1602.9.11 Required Filters.
1602.9.12 Roof Gutters.
1602.10 Signs.
1602.10.1 Commercial, Industrial, Institutional and Residential Restroom Signs.
1602.10.2 Equipment Room Signs.
1602.11 Inspection and Testing.
1602.11.1 Supply System Inspection and Test.
338 1602.11.2 Cross-Connection Inspection and Testing.
1602.11.2.1 Visual System Inspection.
1602.11.2.2 Cross-Connection Test.
1602.11.2.3 Discovery of Cross-Connection.
340 Chapter 16A – Non-Potable Water Reuse Systems
342 1613A.0 Recycled Water Systems – General.
1614A.0 Definitions.
1615A.0 Permit.
1616A.0 Drawings and Specifications.
1617A.0 Pipe Material/Pipe Identification.
1617A.1 Pipe Materials.
1617A.2 Color and Information.
1618A.0 Installation.
1619A.0 Signs.
343 1620A.0 Inspection and Testing.
344 1621A.0 Sizing.
346 Chapter 17 – Referenced Standards
348 1701.0 General.
1701.1 Standards.
TABLES
Table 1701.1 Referenced Standards
371 Abbreviations in Table 1701.1
372 Chapter 18 – Uniform Solar Energy and Hydronics Code
1800.0 Basic Provisions.
374 Chapter 19 – Uniform Swimming Pool, Spa and Hot Tub Code
1900.0 Basic Provisions.
376 Chapter 20 – Fire Protection Systems
2000.0 General.
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 2016 California Building Code as they pertain to sprinkler systems.
2010.2 NFPA 13 2016 Section 3.3.26 is added to read as follows:
3.3.26 Water Curtain is a line of closely spaced fire sprinklers (or a single sprinkler) aligned adjacent to openings to keep fire from penetrating those openings.
2010.3 NFPA 13 2016 Section 8.15.4.5 is added to read as follows:
8.15.4.5 Water curtains shall consist of closely spaced sprinklers in combination with draft stops.
2010.4 NFPA 13 2016 Section 8.2.4.5 is added to read:
2010.5. NFPA 13 2016 Section 11.3.3.5 is added to read:
11.3.3.5 Water curtains shall be hydraulically calculated in accordance with Section 11.3.
2013.0 NFPA 13R.
2013.1 Comply with the fire sprinkler provisions in Chapters 4 and 9 of the 2016 California Building Code as they pertain to sprinkler systems in residential occupancies within the scope of NFPA 13R.
2014.0 NFPA 13D.
2014.1 Comply with the fire sprinkler provisions in Chapters 4 and 9 of the 2016 California Building Code as they pertain to sprinkler systems in residential occupancies within the scope of NFPA 13D.
2020.0 NFPA 14.
2020.1 Comply with the fire sprinkler provisions in Chapters 4, 9 and 33 of the 2016 California Building Code as they pertain to NFPA 14-2013.
2020.2 NFPA 14-2013 section 6.4.5.3.1 is hereby added to read as follows:
6.4.5.3.1 Where the Fire Department inlet connection does not serve the entire building, the portion served shall be suitably identified.
2020.3 NFPA 14 2013 Section 9.1.5 is hereby amended to read as follows:
9.1.5 Water supplies from the following sources shall be permitted:
2020.4 Pressure Regulator Valve Test.
2020.4.1 Test Required.
2020.4.2 Safety.
377 2020.4.3 Opening.
2020.4.4 Drain.
2020.4.5 Interconnection.
2030.0 NFPA 20 Fire Pump and Drivers.
2030.1 Comply with the fire pump provisions in Chapters 4 and 9 of the 2016 California Building Code.
2030.2 Section 4.14.11 is added to read as follows:
4.14.11 Fire Department Connections.
2030.3 The discharge from the test header shall terminate to the fire storage tank when available.
2040.0 NFPA 24 Underground Fire Protection Piping.
2040.1 Comply with the provisions in Chapter 9 of the 2016 California Building Code as they pertain to the Installation of Private Fire Service Mains and Their Appurtenances.
2050.0 Chapter 35 of the 2016 California Building Code to the extent it adopts and amends NFPA 22-2013 is adopted by reference.
2050.1 Comply with the Fire tank provisions in Chapters 4 and 9 of the 2016 California Building Code as they pertain to NFPA 22.
2050.2 Water Tanks in High-Rise Buildings.
378 Appendices Table of Contents
380 Appendix A – Recommended Rules for Sizing The Water Supply System
382 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.
TABLES
Chart A 102.2 Friction Losses for Disk-Type Water Meters
383 A 104.2 Elevation.
A 104.3 Available Pressure.
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.
384 Table A 103.1 Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes
385 CHARTS
Chart A 103.1(1) Estimate Curves for Demand Load
Chart A 103.1(2) Enlarged Scale Demand Load
386 Table A 104.4 Allowance in Equivalent Length of Pipe for Friction Loss in Valves and Threaded Fittings – Equivalent Length of Pipe for Various Fittings
387 Chart A 105.1(1)
388 Chart A 105.1(2)
389 Chart A 105.1(3)
390 Chart A 105.1(4)
391 A 108.0 Sizing.
A 108.1 Example.
392 Appendix B – Explanatory Notes on Combination Waste and Vent Systems
394 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.
396 Appendix C – Alternate Plumbing Systems
398 Appendix D – Sizing Storm Water Drainage Systems
400 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
406 Table D 104.1 Discharge from Retangular Scuppers (gallons per minute)
408 Appendix E – Manufactured/Mobile Home Parks and Recreational Vehicle Parks
410 Appendix F – Firefighter Breathing Air Replenishment Systems
412 Appendix G – Sizing of Venting Systems
414 Appendix H – Private Sewage Disposal Systems
416 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.
CHARTS
417 H 201.0 Capacity of Septic Tanks.
H 201.1 General.
H 301.0 Area of Disposal Fields and Seepage Pits.
H 301.1 General.
TABLES
Table H 101.8 Location of Sewage Disposal System
418 Table H 201.1(1) Capacity of Septic Tanks
Table H 201.1(2) Estimated Waste/Sewage Flow Rates
419 Table H 201.1(3) Design Criteria of Five Typical Soils
420 H 401.0 Percolation Test.
H 401.1 Pit Sizes.
H 401.2 Absorption Qualities.
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.
Table H 201.1(4) Leaching Area Size Based on Septic Tank Capacity
421 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.
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.
422 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.
H 701.0 Seepage Pits.
H 701.1 Capacity.
H 701.2 Multiple Installations.
H 701.3 Construction.
H 701.4 Lining.
Table H 601.9 General Disposal Field Requirements
423 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.
H 901.5 Location.
H 901.6 Waste Discharge.
H 901.7 Design Criteria.
H 1001.0 Inspection and Testing.
H 1001.1 Inspection.
424 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.
H 1101.5 Permittee.
H 1201.0 Drawings and Specifications.
H 1201.1 General.
Chart H 901.7 Recommended Design Criteria
426 Appendix I – Installation Standard for PEX Tubing Systems for Hot- and Cold-Water Distribution
428 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
1.2 Terminology.
1.3 Amendments.
2.0 Reference Publications.
429 3.0 Abbreviations.
4.0 General.
4.1 Tubing.
4.1.1 PEX tubing can be
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
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.
430 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 indirect 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.
431 6.4.1.2 The minimum length of expansion arms shall be calculated using the following equation:
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.
432 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.
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
10.6.4 Hot-water recirculation systems shall
10.7 Installation Testing.
FIGURES
Figure 1 Expansion Arms
433 TABLES
Table 1 Calculation of Flush Tank and Flush Valve Fixture Units
Table 2 Tubing Sizes, Flow, and Friction Losses for Hot-Water Recirculation Systems
Figure 2 Expansion Loops
434 Figure 3 Pressure Loss of PEX Tubing at 16 ºC (60ºF)
435 Figure 4 – PRESSURE LOSS OF PEX TUBING AT 49 ºC (120ºF)
436 Appendix J – Combination of Indoor and Outdoor Combustion and Ventilation Opening Design
438 J 101.0 General.
J 101.1 Applicability.
J 101.2 Example of Combination Indoor and Outdoor Combustion Air Opening.
439 TABLES
Table J 101.2 Standard Method: Required Volume, All Appliances
440 Appendix K – Potable Rainwater Catchment Systems
442 Appendix L – Sustainable Practices
444 Index
– A –
445 – B –
– C –
447 – D –
448 – E –
– F –
449 – G –
– H –
450 – I –
– J –
451 – L –
452 – M –
– N –
– O –
453 – P –
455 – Q –
– R –
457 – S –
461 – T –
462 – U –
463 – V –
465 – W –
466 – X –
– Y –
– Z –
468 History Note Appendix
CA CityofLosAngelesPlumbingCode 2017
$102.92