Ch. 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Sections in this part
- 1301.1 Applicability.
- 1301.2 Where Not Applicable.
- 1301.3 Conflict of Requirements.
- 1301.4 Where Required.
- 1301.5 Existing Systems.
- 1302.1 Risk Categories.
- 1302.2 Patient Care Spaces.
- 1302.3 Anesthesia.
- 1302.4 Wet Procedure Locations.
- 1303.1 Drinking Fountain Control Valves.
- 1303.2 Psychiatric Patient Rooms.
- 1303.3 Locations for Ice Storage.
- 1303.4 Sterilizers and Bedpan Steamers.
- 1303.5 Aspirators.
- 1303.6 Drains.
- 1303.7 Clinical Sinks.
- 1303.8 Water Supply for Hospitals.
- 1303.9 Work Performed in Occupied Healthcare Facilities.
- 1304.1 General.
- 1304.2 Certification of Systems.
- 1304.3 Construction Documents.
- 1304.4 Extent of Work.
- 1304.5 Record.
- 1305.1 Required Operating Pressures.
- 1305.2 Minimum Flow Rates.
- 1305.3 Minimum Station Outlets and Inlets.
- 1306.1 Certification.
- 1306.2 Certification Tests.
- 1306.3 Report Items.
- 1306.4 Components.
- 1307.1 Terms.
- 1307.2 Nature of Hazards of Gas and Vacuum Systems.
- 1307.3 Permitted Locations for Medical Gases.
- 1307.4 Materials.
- 1308.1 Where Required.
- 1308.2 Pressure Relief Valves.
- 1308.3 Pressure-Relief Valve Requirements.
- 1309.1 Oxygen Requirements.
- 1309.2 Particulate Size.
- 1309.3 Suitability.
- 1309.4 Compatible Materials.
- 1309.5 Oxygen Concentrator Components.
- 1309.6 Supply Air Quality.
- 1309.7 Electrical Components.
- 1309.8 Vent Valve.
- 1309.9 Valved Sample Port.
- 1309.10 Suitable Filter.
- 1309.11 Check Valve.
- 1309.12 Outlet Valve.
- 1309.13 Oxygen Concentration Monitor.
- 1310.1 Quality of Medical Air.
- 1310.2 Uses of Medical Air.
- 1310.3 Medical Air Compressors.
- 1310.4 Medical Air Receivers.
- 1310.5 Valves.
- 1311.1 Air Sources.
- 1311.2 Medical Air Compressor Source.
- 1311.3 Air Intakes.
- 1311.4 Location.
- 1311.5 Separate Compressors.
- 1311.6 Screening.
- 1312.1 General.
- 1312.2 Medical-Surgical Vacuum Sources.
- 1312.3 Vacuum Receivers.
- 1312.4 Vacuum Filtration.
- 1312.5 Piping Arrangement and Redundancies.
- 1312.6 Piping Serviceability.
- 1312.7 Shutoff Valve.
- 1313.1 Vacuum Source Exhausts.
- 1313.2 Location.
- 1313.3 Screening.
- 1313.4 Dips and Loops.
- 1313.5 Multiple Pumps.
- 1314.1 Gas and Vacuum Shutoff Valves.
- 1314.2 Security.
- 1314.3 Labeled.
- 1314.4 Accessibility.
- 1314.5 Valve Types.
- 1314.6 Source Valves.
- 1314.7 Main Line Valve.
- 1314.8 Riser Valves.
- 1314.9 Service Valves.
- 1314.10 Zone Valves.
- 1314.11 In-Line Shutoff Valves.
- 1314.12 Valves for Future Connections.
- 1315.1 General.
- 1315.2 Required Valves.
- 1315.3 Secondary Valve.
- 1315.4 Identification.
- 1315.5 Threaded Outlets/Fittings.
- 1315.6 Gas-Specific Station Outlet/Inlet.
- 1315.7 Common Parts.
- 1315.8 Marking of Components.
- 1315.9 Components Not Specific to a Vacuum.
- 1315.10 Factory-Installed Copper Inlet Tubes.
- 1315.11 Factory-Installed Copper Outlet Tubes.
- 1315.12 Protection from Damage.
- 1315.13 Multiple Wall Outlets/Inlets.
- 1315.14 Nonstandard Operation Pressures.
- 1315.15 Post Installation.
- 1316.1 Isolation.
- 1316.2 Pressure and Vacuum Indicator Locations.
- 1317.1 Category 1.
- 1318.1 General.
- 1318.2 Cleaning.
- 1318.3 Delivery.
- 1318.4 Tubes for Medical Gas Systems.
- 1318.5 Manufacturer Markings.
- 1318.6 Documentation.
- 1319.1 Tubes for Medical Vacuum Systems.
- 1320.1 General.
- 1320.2 Changes in Direction.
- 1321.1 Brazed Joints and Fittings.
- 1321.2 Tube Joints.
- 1321.3 Filler Metals.
- 1321.4 Copper-to-Copper Joints.
- 1321.5 Accessible.
- 1321.6 Purging.
- 1321.7 Tube Ends.
- 1321.8 Cleaning Procedures.
- 1321.9 Brazing Dissimilar Metals.
- 1321.10 Nitrogen Purge.
- 1321.11 Assembling and Heating Brazed Joints.
- 1321.12 Inspection of Brazed Joints.
- 1322.1 Welded Joints Procedure.
- 1322.2 Welding for Stainless Tube.
- 1322.3 Memory Metal Fittings.
- 1322.4 Axially Swaged Fittings.
- 1322.5 Threaded Fittings.
- 1322.6 Other Types of Fittings.
- 1322.7 Prohibited Joints.
- 1323.1 Required Pipe Sizing.
- 1323.2 Pipe Protection.
- 1323.3 Location of Piping.
- 1323.4 Pipe Support.
- 1323.5 Frost Protection.
- 1323.6 Connectors.
- 1323.7 Prohibited System Interconnections.
- 1323.8 Manufacturer’s Instructions.
- 1323.9 Changes in System Use.
- 1323.10 Qualifications of Installers.
- 1323.11 Qualification of Brazing Procedures and Brazing.
- 1323.12 Breaching or Penetrating Medical Gas Piping.
- 1323.13 Labeling, Identification and Operating Pressure.
- 1323.14 Identification of Shutoff Valves.
- 1323.15 Identification.
- 1324.1 Where Required.
- 1324.2 Breached Systems.
- 1324.3 Test Gas.
- 1324.4 Initial Piping Blowdown.
- 1324.5 Initial Pressure Tests – Medical Gas and Vacuum Systems.
- 1325.1 General.
- 1325.2 Nature of Hazards of Gas and Vacuum Systems.
- 1325.3 Central Supply Systems.
- 1325.4 Category 2 Medical Air Supply Systems.
- 1325.5 Oxygen Concentrators.
- 1325.6 Category 2 Medical-Surgical Vacuum.
- 1325.7 Valves.
- 1325.8 Station Outlets and Inlets.
- 1325.9 Pressure and Vacuum Indicators.
- 1325.10 Warning Systems.
- 1325.11 Category 2 Distribution.
- 1325.12 Labeling and Identification.
- 1325.13 Performance Criteria and Testing — Gas, Medical–Surgical Vacuum, and WAGD.
- 1326.1 General.
- 1326.2 Nature of Hazards of Gas and Vacuum Systems.
- 1326.3 Medical Air Supply Systems.
- 1326.4 Medical–Surgical Vacuum Systems.
- 1326.5 Valves.
- 1326.6 Station Outlets and Inlets.
- 1326.7 Pressure and Vacuum Indicators.
- 1326.8 Warning Systems.
- 1326.9 Distribution.
- 1326.10 Labeling and Identification.
- 1327.1 General.
- 1327.2 Emergency Shutoff Valves (Oxygen and Nitrous Oxide).
- 1327.3 Warning Systems (Oxygen and Nitrous Oxide).
- 1327.4 Initial Pressure Test.
- 1327.5 Maximum Copper Tube Support Spacing.
- 1327.6 Maximum Plastic Pipe Support Spacing.
- 1327.7 Standing Pressure Tests for Oxygen and Nitrous Oxide Piping.
- 1327.8 Verifier Operational Pressure Test.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) Chapter 13 · Effective January 1, 2026 · Official source: Building Standards Commission
(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting Agency | BSC | BSC-CG | SFM | HCD 1 | HCD 2 | HCD 1-AC | DSA AC | DSA SS | DSA SS/CC | OSHPD 1 | OSHPD 1R | OSHPD 2 | OSHPD 3 | OSHPD 4 | OSHPD 5 | OSHPD 6 | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopt Entire Chapter | X | X | ||||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) | X | X | X | X | X | X | ||||||||||||||||||
| Adopt only those sections that are listed below | ||||||||||||||||||||||||
| Chapter/ |
||||||||||||||||||||||||
| 1304.1.1 | X | X | X | X | X | X | ||||||||||||||||||
| 1304.1.2 | X | X | X | X | X | X |
This state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.
CHAPTER 13
HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
Part I – General Requirements.
1301.0 General Requirements.¶
1302.0 Design Requirements.¶
1303.0 Health Care Facilities.¶
1304.0 Medical Gas and Medical Vacuum Piping Systems.¶
1304.0 Medical Gas and Medical Vacuum Piping Sys- tems.
1305.0 System Performance.¶
1306.0 System Certification.¶
1307.0 Central Supply Systems.¶
1308.0 Pressure-Regulating Equipment.¶
1309.0 Oxygen Concentrator Supply Units.¶
1310.0 Category 1 Medical Air Central Supply Systems.¶
1310.0 Category 1 Medical Air Central Supply Sys- tems.
1311.0 Compressor Intake.¶
1312.0 Medical Surgical Vacuum Central Supply Systems.¶
1312.0 Medical Surgical Vacuum Central Supply Sys- tems.
1313.0 Medical-Surgical Vacuum Exhaust.¶
1314.0 Valves.¶
1315.0 Station Outlets and Inlets.¶
1316.0 Pressure and Vacuum Indicator Locations.¶
1317.0 Warning Systems.¶
1318.0 Piping Materials for Field-Installed Positive Pressure Medical Gas Systems.¶
Pressure Medical Gas Systems.
1319.0 Piping Materials for Field-Installed Medical-Surgical Vacuum Systems.¶
Surgical Vacuum Systems.
1320.0 Joints and Connections.¶
1321.0 Brazed Joints.¶
1322.0 Welded Joints.¶
1323.0 Installation of Piping and Equipment.¶
1324.0 Performance Criteria and Testing Category 1 (Gases, Medical Surgical Vacuum).¶
(Gases, Medical Surgical Vacuum).
1325.0 Category 2 Piped Gas and Vacuum Systems.¶
1326.0 Category 3 Piped Gas and Vacuum Systems.¶
1327.0 Dental Gas and Vacuum Systems.¶
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