CRC · California Residential Code
Residential fueling appliance (RFA) — approvals, capacity and installation limits
If you want a residential compressed-natural-gas dispenser, the Fire Code requires a listed RFA installed to **CSA/ANSI NGV 5.1**, the manufacturer’s instructions and **IFGC §413**, and its dispensing capacity must be **5 cfm or less** (see **§ 2308.2.3**) .
Last reviewed: July 6, 2026
What the code requires — plain English
Residential fueling appliances (RFA) used to dispense compressed natural gas must be listed and installed to specific standards and may not exceed a capacity of 5 cubic feet per minute (0.14 m3/min). The controlling requirement is § 2308.2.3 , which ties listing/installation to CSA/ANSI NGV 5.1, the manufacturer’s installation instructions, and Section 413 of the International Fuel Gas Code (IFGC). Nonresidential fueling appliances (VFAs) and their higher capacity limits are addressed separately in § 2308.2.4 .
Most important rule: RFAs must be listed and installed per CSA/ANSI NGV 5.1 and the IFGC, and must not exceed 5 cubic feet per minute — § 2308.2.3 .
Requirements in detail
Definitions & first principles
- Residential fueling appliance (RFA) — the appliance class the code treats as "residential" for dispensing CNG; the RFA classification and requirements are set out in § 2308.2.3 .
- Listed — the appliance must be listed by a recognized testing/listing organization and installed per its listing and instructions; the listing requirement appears in the same provision and its upstream approvals language in § 2308.2 and related subsections .
Key decision table (what to check when planning an RFA)
| Decision dimension | Limit / value | Code reference |
|---|---|---|
| Listing / approval required | Must be listed and installed per CSA/ANSI NGV 5.1, manufacturer instructions, and IFGC §413 | § 2308.2.3 |
| Maximum capacity (flow) | 5 cubic feet per minute (0.14 m3/min) of natural gas | § 2308.2.3 |
| Alternate class (nonresidential) | Vehicle fueling appliance (VFA) limit 10 cfm (0.28 m3/min) — different standard (CSA/ANSI NGV 5.2 and IFGC §413) | § 2308.2.4 |
| Installation standard references to review | CSA/ANSI NGV 5.1, manufacturer instructions, IFGC Section 413 (for installation details) | § 2308.2.3 |
| Other approvals for CNG equipment | Containers, compressors, PRDs, regulators, piping must be approved; hoses/dispensers/listed equipment rules apply | § 2308.2, § 2308.2.1, § 2308.2.2 |
Notes:
- The text in § 2308.2.3 specifically ties RFA installation to the listed standards and manufacturer instructions; it does not reproduce the NGV or IFGC installation details itself — you must consult those referenced documents for technical installation requirements (see the Code Reference column) .
- Physical siting, separation distances, and location rules for CNG equipment appear elsewhere in Section 2308 (for example, § 2308.3 and § 2308.4) and should be checked when planning an installation .
Installation requirements (what the code requires you to follow)
- Use a listed RFA and install it in accordance with CSA/ANSI NGV 5.1, the appliance manufacturer’s installation instructions, and IFGC Section 413 as stated in § 2308.2.3 .
- Confirm the appliance’s nameplate or documentation shows the maximum flow and that this does not exceed 5 cfm. If the appliance’s rated capacity exceeds 5 cfm, it is not an RFA per § 2308.2.3 and must be treated as a VFA under § 2308.2.4 .
- The code text requires listed equipment and approved components upstream in § 2308.2, § 2308.2.1 and § 2308.2.2 for containers, compressors, hoses and connections; these approvals are prerequisites to a compliant installation .
Exceptions & special cases
- The provision itself does not list exceptions to the 5 cfm RFA limit — the code separates residential (RFA) and nonresidential (VFA) appliances and assigns different capacities and standards to each (§ 2308.2.3 and § 2308.2.4) .
- The RFA installation must still follow any other applicable requirements in Section 2308 (location, separation, etc.). For example, § 2308.3 addresses location of dispensing operations and equipment and exceptions for enclosures; consult those sections when siting equipment .
- The RFA text references external standards (CSA/ANSI NGV 5.1 and IFGC §413). The Fire Code text requires compliance with those documents but does not reproduce them; if you need dimensional, ventilation, piping, electrical or interlock details, consult those standards and the manufacturer’s instructions (the code requires it) — the Fire Code text points you to them in § 2308.2.3 .
Common mistakes
- Assuming any small CNG dispenser is compliant without checking the appliance listing and rated flow. The code limit for RFAs is 5 cfm per § 2308.2.3 — verify the appliance rating and listing .
- Installing to “typical” gas-appliance practices without checking CSA/ANSI NGV 5.1 and IFGC §413. The code specifically requires those documents for RFA installation § 2308.2.3 .
- Confusing RFA and VFA limits: a VFA is capped at 10 cfm and follows CSA/ANSI NGV 5.2 per § 2308.2.4; an RFA can’t be re-classified to exceed 5 cfm merely by homeowner intent .
- Ignoring upstream approvals: pressure vessels, compressors, regulators, piping and hoses have separate approval/listing requirements called out in § 2308.2, § 2308.2.1, and § 2308.2.2 — all must be satisfied .
Worked example
Scenario: A homeowner wants to install a garage-mounted CNG dispenser unit marketed for residential use. The unit manufacturer’s data plate lists a maximum dispensing capacity of 4.2 cfm and the unit is listed to CSA/ANSI NGV 5.1.
Steps to check code compliance:
- Confirm listing and installation instructions: the unit is listed and the manufacturer’s instructions reference CSA/ANSI NGV 5.1 — this satisfies the listing/install reference in § 2308.2.3 .
- Check capacity: the unit’s rated 4.2 cfm is below the RFA limit 5 cfm — allowed by § 2308.2.3 .
- Verify other equipment approvals: ensure supply piping, any containers/compressors/regulators and hoses are approved/listed consistent with § 2308.2, § 2308.2.1, § 2308.2.2 .
- Review siting/clearances and IFGC §413 installation details (venting, interlocks, bonding, etc.) as required by § 2308.2.3 — consult the IFGC and the manufacturer because the Fire Code text points to those documents but does not reproduce their details .
If the unit had been rated 6 cfm, it would exceed the RFA limit and therefore must be treated as a VFA subject to § 2308.2.4 and CSA/ANSI NGV 5.2 (and would not qualify as a residential appliance) .
Related provisions
- § 2308.2 — Approvals (general equipment/listing direction) .
- § 2308.2.1 — Approved equipment (containers, compressors, pressure relief devices, regulators, piping) .
- § 2308.2.2 — Listed equipment (hoses, hose connections, dispensers, electrical equipment) .
- § 2308.2.4 — Vehicle fueling appliance (VFA) requirements and 10 cfm capacity limit (nonresidential) .
- § 2308.3 — Location of dispensing operations and equipment (siting, separation distances) .
- § 2308.4 — Private fueling of motor vehicles (operational limits for private/self-service systems) .
- Manufacturer instructions, CSA/ANSI NGV 5.1, and IFGC Section 413 (installation details referenced by § 2308.2.3) — consult these referenced documents for technical installation requirements; the Fire Code section points to them but does not reproduce them in full .
(Note: the specific text for § 2308.2.3 and § 2308.2.4 cited above is from the California Fire Code Section 2308 as provided in the retrieved materials; the Fire Code text is the controlling source for these provisions in the retrieved files) .
Code references
Grounded in the retrieved California Residential Code — click a citation to read the verbatim passage:
CRC § 2308.2 High relevance — show source text
2308.2 Approvals. Storage vessels and equipment used for the storage, compression or dispensing of CNG shall be approved or listed in accordance with Sections 2308.2.1 through 2308.2.4.
2308.2.1 Approved equipment. Containers, compressors, pressure relief devices (including pressure relief valves), and pressure regulators and piping used for CNG shall be approved.
2308.2.2 Listed equipment. Hoses, hose connections, dispensers and electrical equipment used for CNG shall be listed. Vehiclefueling connections shall be listed and labeled.
2308.2.3 Residential fueling appliance (RFA). Residential fueling appliances shall be listed and installed in accordance with the installation requirements of CSA/ANSI NGV 5.1, manufacturer’s installation instructions and Section 413 of the International Fuel Gas Code . The capacity of an RFA shall not exceed 5 cubic feet per minute (0.14 m [3] /min) of natural gas.
2308.2.4 Vehicle fueling appliance (VFA). Nonresidential fueling appliances shall be listed and installed in accordance with the installation requirements of CSA/ANSI NGV 5.2, manufacturer’s installation instructions and the requirements of Section 413 of the International Fuel Gas Code for VFAs. The capacity of the VFA shall not exceed 10 cubic feet per minute (0.28 m [3] /min) of natural
gas.
2025 CALIFORNIA FIRE CODE 23-11
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
MOTOR FUEL-DISPENSING FACILITIES AND REPAIR GARAGES
2308.3 Location of dispensing operations and equipment. Compression, storage and dispensing equipment shall be located above ground, outdoors.
Exceptions:
- Compression, storage or dispensing equipment shall be allowed in buildings of noncombustible construction, as set forth in the California Building Code, that are unenclosed for three-quarters or more of the perimeter.
- Compression, storage and dispensing equipment shall be allowed indoors or in vaults in accordance with Chapter 53.
2308.3.1 Location on property. In addition to the requirements of Section 2303.1, compression, storage and dispensing equipment not located in vaults complying with Chapter 53 shall be installed as follows:
- Not beneath power lines.
- Ten feet (3048 mm) or more from the nearest building or lot line that could be built on, public street, sidewalk or source of ignition.
Exception: Dispensing equipment need not be separated from canopies that are constructed in accordance with the California Building Code and that provide weather protection for the dispensing equipment. 3. Twenty-five feet (7620 mm) or more from the nearest rail of any railroad track and 50 feet (15 240 mm) or more from the nearest rail of any railroad main track or any railroad or transit line where power for train propulsion is provided by an outside electrical source, such as third rail or overhead catenary. 4. Fifty feet (15 240 mm) or more from the vertical plane below the nearest overhead wire of a trolley bus line.
2308.4 Private fueling of motor vehicles. Self-service CNG-dispensing systems, including key, code and card lock dispensing systems, shall be limited to the filling of permanently mounted fuel containers on CNG-powered vehicles.
CRC § 2307.7 High relevance — show source text
2307.7 Public fueling of motor vehicles. Self-service LP-gas dispensing systems, including key, code and card lock dispensing systems, shall be limited to the filling of permanently mounted containers providing fuel to the LP-gas powered vehicle.
The requirements for self-service LP-gas dispensing systems shall be in accordance with the following:
The arrangement and operation of the transfer of product into a vehicle shall be in accordance with this section and Chapter 61.
The system shall be provided with an emergency shutoff switch located within 100 feet (30 480 mm) of, but not less than 20 feet (6096 mm) from, dispensers.
The owner of the LP-gas motor fuel-dispensing facility or the owner’s designee shall provide for the safe operation of the system and the training of users.
The dispenser and hose-end valve shall release not more than [1] / 8 fluid ounce (4 cc) of liquid to the atmosphere upon breaking the connection with the fill valve on the vehicle.
Portable fire extinguishers shall be provided in accordance with Section 2305.5.
Warning signs shall be provided in accordance with Section 2305.6.
The area around the dispenser shall be maintained in accordance with Section 2305.7.
2307.8 Overfilling. LP-gas containers shall not be filled with LP-gas in excess of the volume determined using the fixed maximum liquid level gauge installed on the container, the volume determined by the overfilling prevention device installed on the container or the weight determined by the required percentage of the water capacity marked on the container.
SECTION 2308—COMPRESSED NATURAL GAS MOTOR FUEL-DISPENSING FACILITIES
2308.1 General. Motor fuel-dispensing facilities for compressed natural gas (CNG) fuel shall be in accordance with this section, Chapter 53 and Section 413 of the International Fuel Gas Code .
2308.2 Approvals. Storage vessels and equipment used for the storage, compression or dispensing of CNG shall be approved or listed in accordance with Sections 2308.2.1 through 2308.2.4.
2308.2.1 Approved equipment. Containers, compressors, pressure relief devices (including pressure relief valves), and pressure regulators and piping used for CNG shall be approved.
2308.2.2 Listed equipment. Hoses, hose connections, dispensers and electrical equipment used for CNG shall be listed. Vehiclefueling connections shall be listed and labeled.
2308.2.3 Residential fueling appliance (RFA). Residential fueling appliances shall be listed and installed in accordance with the installation requirements of CSA/ANSI NGV 5.1, manufacturer’s installation instructions and Section 413 of the International Fuel Gas Code . The capacity of an RFA shall not exceed 5 cubic feet per minute (0.14 m [3] /min) of natural gas.
2308.2.4 Vehicle fueling appliance (VFA). Nonresidential fueling appliances shall be listed and installed in accordance with the installation requirements of CSA/ANSI NGV 5.2, manufacturer’s installation instructions and the requirements of Section 413 of the International Fuel Gas Code for VFAs. The capacity of the VFA shall not exceed 10 cubic feet per minute (0.28 m [3] /min) of natural
gas.
2025 CALIFORNIA FIRE CODE 23-11
on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.
CRC § 12.7 High relevance — show source text
Where mounted on a concrete base, a means shall be provided and installed within [1] / 2 inch (12.7 mm) of the top of the concrete base that will prevent flow from the supply piping in the event that the dispenser is displaced from its mounting. 2. A manual shutoff valve and an excess flow-control check valve shall be located in the liquid line between the pump and the dispenser inlet where the dispensing device is installed at a remote location and is not part of a complete storage and dispensing unit mounted on a common base. 3. An excess flow-control check valve or an emergency shutoff valve shall be installed in or on the dispenser at the point at which the dispenser hose is connected to the liquid piping. 4. A listed automatic-closing type hose nozzle valve with or without a latch-open device shall be provided on island-type dispensers.
2307.6.2 Hoses. Hoses and piping for the dispensing of LP-gas shall be provided with hydrostatic relief valves. The hose length shall not exceed 18 feet (5486 mm). An approved method shall be provided to protect the hose against mechanical damage.
2307.6.3 Emergency breakaway devices. Dispenser hoses shall be equipped with a listed emergency breakaway device designed to retain liquid on both sides of the breakaway point. Where hoses are attached to hose-retrieving mechanisms, the emergency breakaway device shall be located such that the breakaway device activates to protect the dispenser from being displaced.
2307.6.4 Vehicle impact protection. Where installed within 10 feet of vehicle traffic, LP-gas storage containers, pumps and dispensers shall be protected in accordance with Section 2307.5, Item 2.
2307.7 Public fueling of motor vehicles. Self-service LP-gas dispensing systems, including key, code and card lock dispensing systems, shall be limited to the filling of permanently mounted containers providing fuel to the LP-gas powered vehicle.
The requirements for self-service LP-gas dispensing systems shall be in accordance with the following:
The arrangement and operation of the transfer of product into a vehicle shall be in accordance with this section and Chapter 61.
The system shall be provided with an emergency shutoff switch located within 100 feet (30 480 mm) of, but not less than 20 feet (6096 mm) from, dispensers.
The owner of the LP-gas motor fuel-dispensing facility or the owner’s designee shall provide for the safe operation of the system and the training of users.
The dispenser and hose-end valve shall release not more than [1] / 8 fluid ounce (4 cc) of liquid to the atmosphere upon breaking the connection with the fill valve on the vehicle.
Portable fire extinguishers shall be provided in accordance with Section 2305.5.
Warning signs shall be provided in accordance with Section 2305.6.
The area around the dispenser shall be maintained in accordance with Section 2305.7.
2307.8 Overfilling. LP-gas containers shall not be filled with LP-gas in excess of the volume determined using the fixed maximum liquid level gauge installed on the container, the volume determined by the overfilling prevention device installed on the container or the weight determined by the required percentage of the water capacity marked on the container.
SECTION 2308—COMPRESSED NATURAL GAS MOTOR FUEL-DISPENSING FACILITIES
California Residential Code Medium relevance — show source text
e**|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e|MAXIMUM CANTILEVER SPAN
(uplift force at backspan support in lb)d, e| |MEMBER & SPACING|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**|** Ground snow load**| |MEMBER & SPACING|≤ 20 psf|≤ 20 psf|≤ 20 psf|30 psf|30 psf|30 psf|** 50 psf**|** 50 psf**|** 50 psf**|70 psf|70 psf|70 psf| |MEMBER & SPACING|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**|** Roof width**| |MEMBER & SPACING|24 ft|32 ft|40 ft|24 ft|32 ft|40 ft|24 ft|32 ft|40 ft|24 ft|32 ft|40 ft| |2 × 8 @ 12″|20″
(177)|15″
(227)|—|18″
(209)|—|—|—|—|—|—|—|—| |2 × 10 @ 16″|29″
(228)|21″
(297)|16″
(364)|26″
(271)|18″
(354)|—|20″
(375)|—|—|—|—|—| |2 × 10 @ 12″|36″
(166)|26″
(219)|20″
(270)|34″
(198)|22″
(263)|16″
(324)|26″
(277)|—|—|19″
(356)|—|—| |2 × 12 @CRC § 0.04 Medium relevance — show source text
(g) Draft shall comply with the burner manufacturer’s instructions.
Induced-draft and fan-assisted types of appliances require a sample be taken after the induceddraft fan that will cause oxygen figures in excess of the limits stated. In such cases, safe liquid fuel combustion ratios shall be maintained and be consistent with approvals and listings of the appliance.
(5) Method of test – power type.
(a) The appliance shall be allowed to operate until the stack temperature becomes stabilized; after that, a sample of the undiluted flue products shall be taken from the appliance flue outlet. The sample shall be analyzed for carbon monoxide, carbon dioxide, and oxygen. Stack temperature shall be noted.
(6) Performance standards for power type.
(a) Shall be not less than 80 percent efficiency as determined by flue gas analysis method at the appliance flue outlet.
(b) Carbon monoxide concentration in the flue gas shall not exceed 0.04 percent.
(c) Stack temperature shall not exceed 700°F (371°C) plus ambient.
(d) Carbon dioxide concentration shall be between 8 percent and 13 percent.
(e) Oxygen concentration shall be between 4 percent and 10 percent.
(f) Smoke test shall not exceed number 2 for light oils or number 4 for oils heavier than number 4.
(g) Draft shall comply with the burner manufacturer’s instructions.
(7) After completion of the test of newly installed oil or liquid fuel burner equipment as provided in this section, the installer shall file with the Authority Having Jurisdiction complete records of the test on a form approved by the Authority Having Jurisdiction. The tag stating the date of the test and the name of the installer shall be attached to the appliance at the main valve.
(8) Listing and approval.
(a) The concentration of oxygen in the undiluted flue products of oil or liquid fuel burners shall in no case be less than 3 percent nor exceed 10 percent and shall be in accordance with performance standards and shall be consistent with the listing and approval of the equipment.
(b) The allowable limit of carbon monoxide shall not exceed 0.04 percent.
(c) The flue gas temperature of an oil appliance, as taken on the appliance side of the draft regulator, shall not exceed applicable performance standards and shall be consistent with the listing and approvals of the equipment.
(9) The oxygen figures shall not apply where there is an approved oxygen trim system on the burner that is designed for that use, including a low oxygen interlock where approved by the Authority Having Jurisdiction.
(10)Supervision shall be as follows:
(a) Supervised startup shall be required to verify the safe operation of an oil or liquid fuel burner and to provide documentation that operation is consistent with this code, listing, and approval. Supervised startup shall be required for liquid fuel burners in Section C 109.1(2) through Section C 109.1(5). Supervised startup requires that the liquid-fuel burner shall be tested in the presence of the mechanical official in a manner set forth by the Authority Having Jurisdiction before the installation is approved. Testing shall include safety and operating controls, input, flue gas analysis, and venting. Flue gas shall be tested at high, medium, and low fires. Provisions shall be made in the system to allow a firing test in warm weather.
CRC § 25.4 Medium relevance — show source text
1|144|157| |27|3/4|37|49|61|73|86|98|110|122|135|147| |28|3/4|34|46|57|69|80|92|103|114|126|137| |29|3/4|32|43|54|64|75|86|96|107|118|129| |30|3/4|30|40|50|60|70|81|91|101|111|121| |31|3/4|28|38|47|57|66|76|85|95|104|114| |32|3/4|27|36|45|54|63|71|80|89|98|107| |33|3/4|25|34|42|51|59|68|76|84|93|101| |34|3/4|24|32|40|48|56|64|72|80|88|96| |35|3/4|23|30|38|45|53|61|68|76|83|91| |36|3/4|22|29|36|43|50|57|65|72|79|86| |37|3/4|20|27|34|41|48|55|61|68|75|82| |38|3/4|20|26|33|39|46|52|59|65|72|78| |39|3/4|19|25|31|37|43|50|56|62|68|74| |40|3/4|18|24|30|35|41|47|53|59|65|71| |For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.963 L/s.
a. Flow rate from Section_ R309.3.4.2.|For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.963 L/s.
a. Flow rate from Section R309.3.4.2._|For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.963 L/s.
a.CRC § 15-8 Medium relevance — show source text
000|15-8|19-2|15-0|15-6|14-0|11-8|11-0|8-11|8-9| |20|2-#6|40,000|15-5|18-10|14-8|15-2|13-9|11-5|10-9|8-6|8-3| |20|2-#6|60,000|18-7|22-9|17-9|18-5|16-7|13-10|12-9|9-5|9-2| |20|Center distance_A_k, l|Center distance_A_k, l|5-7|8-4|5-1|5-5|4-5|3-1|2-9|1-10|1-9| |24|Span without stirrupsi, j|Span without stirrupsi, j|9-11|13-7|9-9|10-2|9-0|7-5|7-0|5-10|5-9| |24|1-#5|40,000|8-6|10-8|8-5|8-8|7-10|6-6|6-2|5-0|4-11| |24|1-#5|60,000|10-5|13-0|10-3|10-7|9-7|8-0|7-6|6-1|6-0| |24|2-#4
1-#6|40,000|9-7|12-1|9-6|9-9|8-10|7-5|7-0|5-8|5-6| |24|2-#4
1-#6|60,000|11-9|14-9|11-7|11-11|10-10|9-0|8-6|6-11|6-9| |24|2-#5|40,000|12-0|15-0|11-9|12-2|11-0|9-2|8-8|7-1|6-11| |24|2-#5|60,000|14-7|18-3|14-4|14-10|13-5|11-2|10-7|8-7|8-5| |24|2-#6|40,000|14-3|17-11|14-1|14-7|13-2|11-0|10-4|8-5|8-3| |24|2-#6|60,000|19-11|25-0|19-7|20-3|18-4|15-3|14-5|10-10|10-7| |24|Center distance_A_k, l|Center distance_A_k, l|6-3|9-11|6-1|6-6|5-4|3-9|3-4|2-2|2-1| |For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1 pound per square foot = 0.0479 kPa, Grade 40 = 280 MPa, Grade 60 = 420 MPa.
Note: Top and bottom reinforcement for lintels without stirrups, as shown in shaded cells,CRC § 3.4.2 Medium relevance — show source text
Add 5 gpm to the flow rate required by Section_R309.3.4.2_ where the water service pipe supplies more than one dwelling.|For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 gallon per minute = 0.063 L/s, 1 pound per square inch = 6.895 kPa.
NP = Not Permitted. Pressure loss exceeds reasonable limits.
a. Values are applicable for underground piping materials listed in_ the California Plumbing Code_ and are based on an SDR of 11 and a Hazen Williams C Factor of 150.
b. Values include the following length allowances for fittings: 25-percent length increase for actual lengths up to 100 feet and 15-percent length increase for actual lengths over
100 feet.
c. Flow rate from Section P2904.4.2. Add 5 gpm to the flow rate required by Section_R309.3.4.2_ where the water service pipe supplies more than one dwelling.|For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 gallon per minute = 0.063 L/s, 1 pound per square inch = 6.895 kPa.
NP = Not Permitted. Pressure loss exceeds reasonable limits.
a. Values are applicable for underground piping materials listed in_ the California Plumbing Code_ and are based on an SDR of 11 and a Hazen Williams C Factor of 150.
b. Values include the following length allowances for fittings: 25-percent length increase for actual lengths up to 100 feet and 15-percent length increase for actual lengths over
100 feet.
c. Flow rate from Section P2904.4.2. Add 5 gpm to the flow rate required by Section_R309.3.4.2_ where the water service pipe supplies more than one dwelling.|TABLE R309.3.6.2(2)—MINIMUM WATER METER PRESSURE LOSS (PL )a
mCol2 Col3 Col4 FLOW RATE
(gallons per minute, gpm)b5/8-INCH METER PRESSURE LOSS
(pounds per square inch, psi)3/4-INCH METER PRESSURE LESS
(pounds per square inch, psi)1-INCH METER PRESSURE LOSS
(pounds per square inch, psi)8 3 3 1 10 3 3 1 12 4 3 1 14 6 5 1 16 7 6 1 18 9 7 2 20 11 9 2 23 14 11 3 26 18 14 3 31 26 22 4 39 38 35 6 52 NP NP 10 For SI: 1 inch = 25.4 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.063 L/s.
NP = Not permitted unless the actual water meter pressure loss is known.
a. Table P2904.6.2(2) establishes conservative values for water meter pressure loss or installations where the water meter loss is unknown. Where the actual water meter pres-
sure loss is published and available from the meter manufacturer,PLm shall be the published pressure loss for the selected meter.
b.CRC § 25.4 Medium relevance — show source text
@48|4@48| |140|119|110|8|4@43|4@34|4@48|4@48|4@48|4@48|4@48|4@48| |140|119|110|9|4@34|4@34|4@48|4@48|4@48|4@48|4@48|4@48| |140|119|110|10|4@34|4@31|4@48|4@48|4@48|4@48|4@48|4@48| |150|127|117|8|4@37|4@34|4@48|4@48|4@48|4@48|4@48|4@48| |150|127|117|9|4@34|4@33|4@48|4@48|4@48|4@48|4@48|4@48| |150|127|117|10|4@31|4@27|4@48|4@48|4@48|4@48|4@48|4@48| |160|136|125|8|4@34|4@34|4@48|4@48|4@48|4@48|4@48|4@48| |160|136|125|9|4@34|4@29|4@48|4@48|4@48|4@48|4@48|4@48| |160|136|125|10|4@27|4@24|4@48|4@48|4@48|4@48|4@48|4@48| |For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s, 1 pound per square inch = 1.895 kPa, 1 square foot = 0.0929 m2.
a. Table is based on ASCE 7 components and cladding wind pressures for an enclosed building using a mean roof height of 35 feet, interior wall area 4, an effective wind area of
10 square feet, topographic factor,Kzt, equal to 1.0, and Risk Category II.
b. Table is based on concrete with a minimum specified compressive strength of 2,500 psi.
c. See Section R608.6.5 for location of reinforcement in wall.
d. Deflection criterion is_L_/240, where_L_ is the unsupported height of the wall in inches.
e. Interpolation is not permitted.
f. Where No. 4 reinforcing bars at a spacing of 48 inches are specified in the table as indicated by shaded cells, use of bars with a minimum yield strength of 40,000 psi or 60,000
psi is permitted.
g. Other than for No.CRC § 414.2.4 Medium relevance — show source text
Fire-resistance rating 414.2.4 Maximum allowed quantities 414.2.2 Number 414.2.3 Conventional Light-frame Construction 2302.1, 2308 Additional seismic requirements 2308 Braced wall lines 2308.10 Design of elements 2308.8 Floor joists 2308.8.2 Foundation plates or sills 2308.7 Girders 2308.8.1 Roof and ceiling framing 2308.11 Wall framing 2308.9 Conveying System S3004 Cornices
Definition 202 Draftstopping 718.2.6 Live load Table 1607.1
Masonry 2104.1.2 Projection 705.2, 705.2.3.1 Public right-of-way encroachments 3202.3.2, 3202.3.3 Correctional Treatment Centers
[OSHPD 4] 1227 Application 1227.2 Ceiling heights 1227.8 Corridors 1227.5
Definitions 1227.3 Doors and door openings 1227.6 Elevators 1227.10 Garbage-soiled waste and trash storage 1227.11 General construction 1227.4
Interior finishes 1227.9
Scope 1227.1 Windows and screens 1227.7
Interior finishes 1227.9
Correctional Treatment Centers—Basic
Services Administration space 1227.16 Central sterile supply 1227.17 Dietetic service space 1227.14 Employee dressing rooms and lockers 1227.19 Housekeeping room 1227.20 Nursing service space 1227.12 Offices 1227.15
Pharmaceutical service space 1227.13 Storage 1227.18 Correctional Treatment Centers—
Optional Services 24-hour mental health care
services 1227.23
Outpatient services 1227.22 Service spaces 1227.21 Corridor (see Corridor Protection, Exit Access, Fire Partitions and Service Corridors) 1020 Air movement 1020.5
Continuity 1020.6 Covered and open mall buildings 402.8.1, 402.8.6 Dead end 1020.4 Elevation change 1003.5 Encroachment 1020.3
Group H-5 415.11.2 Group I-2 407 Group R-2.1 420 Headroom 1003.2, 1003.3 HPM service 903.2.5.2
Live load Table 1607.1
Walls 708.1, 1020.1 Width/capacity 1003.3.3, 1003.6, 1005.3.2, 1005.7, 1020.3, 1020.4 Corridor Damper 202 Corridor Protection, Exit Access Construction, fire protection 708.1, Table 1020.2, 1020.7
CRC § 1616.2.2.1 Medium relevance — show source text
Demolition 3303 Design Flood 1612 Design Strength Column splice 1616.2.2.1 Conformance to standards 1706.1
New materials 1706.2 Designated Seismic System 1704.3.2, 1704.4, 1704.5 Seismic certification 1705.14.3
Special inspection 1705.13.4 Detached Single-family Dwelling 202 Detectable Warning 202 Diaphragms 202 Analysis 1604.4 Ceilings 2508.6
Penetrations 714
Permit application 105.1 Relocation 107.2.8
Retention 107.5
Review 107.3
Roof assemblies 1503
Roof live load 1603.1.2
Roof rain load data 1603.1.9
Roof snow load 1603.1.3
Seismic 1603.1.5, 1705.14.2, 1705.14.3 Site plan 107.2.6 Special loads 1603.1.8 Temporary structures 3103.2 Wind data 1603.1.4 Construction Types 202, Chapter 6 Aircraft-related occupancies 412.2.1, Table 412.3.6, 412.5.2 Classification 602 Combustible material in Type I and Type II construction 603, 805 Covered and open mall buildings 402.4.1 Fire district D102.2.3
Fire resistance Table 601, Table 705.5 High-rise 403.2 Type I Table 601, 602.2, 603 Type II Table 601, 602.2, 603 Type III Table 601, 602.3 Type IV Table 601, 602.4 Type V Table 601, 602.5 Underground buildings 405.2 Continuity Head-Of-Wall System 202 Continuous Insulation (ci) 202 Contractor’s Responsibilities 901.5, 1704.4 Control Area 414.2, 707.3.8 Construction 414.2.1
Fire-resistance rating 414.2.4 Maximum allowed quantities 414.2.2 Number 414.2.3 Conventional Light-frame Construction 2302.1, 2308 Additional seismic requirements 2308 Braced wall lines 2308.10 Design of elements 2308.8 Floor joists 2308.8.2 Foundation plates or sills 2308.7 Girders 2308.8.1 Roof and ceiling framing 2308.11 Wall framing 2308.9 Conveying System S3004 Cornices
Definition 202 Draftstopping 718.2.6 Live load Table 1607.1
Masonry 2104.1.2 Projection 705.2, 705.2.3.1 Public right-of-way encroachments 3202.3.2, 3202.3.3 Correctional Treatment Centers
[OSHPD 4] 1227 Application 1227.2 Ceiling heights 1227.8 Corridors 1227.5
CRC § 3.6.2 Medium relevance — show source text
TABLE R309.3.6.2(2)—MINIMUM WATER METER PRESSURE LOSS (PL )a
mCol2 Col3 Col4 FLOW RATE
(gallons per minute, gpm)b5/8-INCH METER PRESSURE LOSS
(pounds per square inch, psi)3/4-INCH METER PRESSURE LESS
(pounds per square inch, psi)1-INCH METER PRESSURE LOSS
(pounds per square inch, psi)8 3 3 1 10 3 3 1 12 4 3 1 14 6 5 1 16 7 6 1 18 9 7 2 20 11 9 2 23 14 11 3 26 18 14 3 31 26 22 4 39 38 35 6 52 NP NP 10 For SI: 1 inch = 25.4 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.063 L/s.
NP = Not permitted unless the actual water meter pressure loss is known.
a. Table P2904.6.2(2) establishes conservative values for water meter pressure loss or installations where the water meter loss is unknown. Where the actual water meter pres-
sure loss is published and available from the meter manufacturer,PLm shall be the published pressure loss for the selected meter.
b. Flow rate from Section P2904.4.2. Add 5 gpm to the flow rate required by Section_R309.3.4.2_ where the water service pipe supplies more than one dwelling.For SI: 1 inch = 25.4 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.063 L/s.
NP = Not permitted unless the actual water meter pressure loss is known.
a. Table P2904.6.2(2) establishes conservative values for water meter pressure loss or installations where the water meter loss is unknown. Where the actual water meter pres-
sure loss is published and available from the meter manufacturer,PLm shall be the published pressure loss for the selected meter.
b. Flow rate from Section P2904.4.2. Add 5 gpm to the flow rate required by Section_R309.3.4.2_ where the water service pipe supplies more than one dwelling.For SI: 1 inch = 25.4 mm, 1 pound per square inch = 6.895 kPa, 1 gallon per minute = 0.063 L/s.
NP = Not permitted unless the actual water meter pressure loss is known.
a. Table P2904.6.2(2) establishes conservative values for water meter pressure loss or installations where the water meter loss is unknown. Where the actual water meter pres-
sure loss is published and available from the meter manufacturer,PLm shall be the published pressure loss for the selected meter.
b. Flow rate from Section P2904.4.2.
Frequently asked questions
Can I install any small CNG dispenser in my home garage if it’s labeled “residential”?
Only if it is listed, installed per CSA/ANSI NGV 5.1, the manufacturer’s instructions and IFGC §413, and its rated flow does not exceed 5 cfm, per § 2308.2.3 .
What if the appliance is rated at 8 cfm?
An 8 cfm unit exceeds the RFA limit and is not an RFA; it must be treated as a vehicle fueling appliance (VFA) under § 2308.2.4, which follows different standards (CSA/ANSI NGV 5.2) and a 10 cfm cap for nonresidential VFAs .
Do I need to consult the IFGC and NGV standards?
Yes. § 2308.2.3 requires installation in accordance with CSA/ANSI NGV 5.1, the manufacturer’s instructions, and IFGC Section 413; the Fire Code text does not reproduce those technical installation requirements, so you must consult them and the appliance instructions to meet the code .
Are separation distances and location rules in § 2308.2.3?
No. § 2308.2.3 sets listing/installation standards and capacity. Location and separation rules are found elsewhere in Section 2308 (for example, § 2308.3) and must be checked for siting the equipment .
If the manufacturer’s instruction conflicts with the IFGC, which controls?
The Fire Code requires compliance with the appliance listing/manufacturer instructions and the referenced standards (CSA/ANSI NGV 5.1 and IFGC §413) as applicable. Where conflicts occur, the Authority Having Jurisdiction (AHJ) typically resolves the issue; you must present the listing and instructions to the AHJ for direction, consistent with § 2308.2.3 .
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