CRSC · California Referenced Standards Code

Exclusions and what the standard does NOT cover

This CRSC chapter covers only releasing systems that occupants can manually operate from inside to escape; it does not test burglary resistance, exterior firefighter removal, or fall-prevention window guards, and it’s intended for secondary dwelling egress openings (see **§ 12-3-1.2**, **§ 12-3-1.4**, **§ 12-3-1.5**, **§ 12-3-1.8**) .

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Last reviewed: July 6, 2026

What the code requires — 2-4 sentences

The standard requires that releasing systems for security bars, grilles, mesh, glazing or similar devices be capable of being manually activated from the interior by an occupant so they can escape through a required emergency opening. This interior-activation requirement is the controlling rule in § 12-3-1.2. The standard is limited to interior actuation and related performance for emergency escape — it does not claim to test or rate other performance attributes (see § 12-3-1.4, § 12-3-1.5, § 12-3-1.8) .

The single most important rule: the CRSC for releasing systems only covers the ability of an occupant to manually release the obstruction from inside the dwelling to effect an escape (see § 12-3-1.2) .

Requirements in detail

What the standard covers (short)

  • Covered: systems intended to allow an occupant to move security obstructions over doors or windows required for emergency escape in dwelling units (scope statement § 12-3-1.1) .
  • Covered: releasing systems intended for installation on the interior side of doors or windows in any climate (§ 12-3-1.3) .

What the standard does NOT cover (decision table)

Feature / question Covered by CRSC? Code Reference
Ability to be manually activated from the interior by occupant Yes — THIS is the standard’s focus § 12-3-1.2
Resistance to external forced entry (burglary/attack resistance) No — not evaluated § 12-3-1.4
Ability to be opened or removed from the exterior by emergency responders No — not evaluated § 12-3-1.5
Window guards / fall-prevention devices intended to prevent falls from upper-story windows No — excluded from this standard § 12-3-1.8
Storm doors, light-duty insect screens No — do not apply § 12-3-1.9
Intended installations — secondary means of escape in dwelling units Yes — standard intended for these installations § 12-3-1.6
Use on primary means of egress, nonresidential egress paths, or common egress paths No — not intended for those locations § 12-3-1.7

What “do not evaluate” means in practice

  • “Do not evaluate the ability to resist an external forced entry attack” (§ 12-3-1.4) means the lab/test in this standard does not measure or certify burglary resistance or similar forced-entry strength; a product passing this standard is not certified as intrusion-resistant .
  • “Do not evaluate the ability ... to be opened or removed from the exterior by emergency response personnel” (§ 12-3-1.5) means the standard does not set or test exterior-access features; separate procedures or agency requirements govern firefighter/rescue access if required by local authorities .
  • Excluding window guards/fall prevention devices (§ 12-3-1.8) clarifies that devices whose primary purpose is fall protection are outside this standard’s test matrix and acceptance criteria .

Exceptions & special cases

  • The standard is expressly for releasing systems that protect openings that are designated by the California Building Standards Code as the secondary means of escape from living areas — so systems installed on those openings are the intended subject (§ 12-3-1.6) .
  • The standard is not intended for protection of doors in a means of egress path for nonresidential occupancies, the common egress path of multifamily units, or the primary means of egress in a single-family dwelling — those situations are excluded and governed elsewhere (§ 12-3-1.7) .
  • Window guards/fall-prevention devices and storm doors/light-duty screens are explicitly excluded and must be considered under their applicable standards or local rules (§ 12-3-1.8, § 12-3-1.9) .

Common mistakes

  • Assuming a release-system listing under this standard certifies forced-entry resistance. The standard explicitly does not evaluate external forced-entry resistance (§ 12-3-1.4) .
  • Expecting exterior firefighter access to be covered. The standard does not evaluate exterior removal/opening by emergency response personnel (§ 12-3-1.5) .
  • Applying this standard to window guards intended for fall prevention — those are excluded (§ 12-3-1.8) .
  • Installing systems on primary egress or common egress routes and assuming compliance applies there — the standard is not intended for those paths (§ 12-3-1.7) .

Worked example — concrete scenario (what the CRSC requires and what it doesn’t)

Scenario: A homeowner installs security bars with a releasing mechanism over a bedroom egress window that the Building Code designates as the secondary means of escape. The releasing system is installed on the interior side of the window and is intended to be released by the occupant.

What CRSC requires:

  • The releasing system must allow the occupant to manually activate from the interior to permit escape — that interior activation capability is the item the standard covers (§ 12-3-1.2, § 12-3-1.1) .

What CRSC does NOT require or test (important to communicate to homeowner and authorities):

  • The CRSC does not certify that the bars resist a forced entry from outside. If the homeowner wants burglary-resistance data, they must look for a product tested to relevant forced-entry or security standards (CRSC explicitly excludes that evaluation, § 12-3-1.4) .
  • The CRSC does not require or test that firefighters can remove the bars from the exterior during rescue; exterior removal/entry capability is outside the standard (§ 12-3-1.5) .
  • The CRSC does not set numeric force thresholds or specific dimensions for release operation in its scope text snippets provided; the standard text we retrieved states the scope and exclusions but does not include numeric activation-force limits in the cited scope sections. If numeric performance metrics are needed, consult the full standard text or referenced test method (not contained in the scope sections) .

Practical takeaway for the homeowner (numbers-oriented): confirm the releasing device can be operated by an occupant under normal conditions (reach, hand operation) and document that operation. Do not assume the CRSC provides burglary or exterior-access performance ratings — those are separate considerations and may require different test standards or listings.

Related provisions

  • § 12-3-1.1 — Scope: what types of obstructions and openings the standard covers (interior releasing systems for emergency escape) .
  • § 12-3-1.3 — Intended for interior-side installation in all climatic locations .
  • § 12-3-1.6 — Products intended for installation in dwelling units to protect openings designated as secondary means of escape .
  • § 12-3-1.7 — Not intended for nonresidential means of egress, common egress paths of multifamily units, or primary egress paths in single-family dwellings .
  • § 12-3-1.9 — Excludes storm doors and light-duty insect screens from the standard’s application .

Code references

Grounded in the retrieved California Referenced Standards Code — click a citation to read the verbatim passage:

  • CRSC § 12-72 Medium relevance — show source text

    |SFM|| |Chapter 12-72-2|Protective signaling systems. Single-and
    multiple-station fire alarm devices
    mechanically operated type.|SFM|| |Chapter 12-72-3|Protective signaling systems. Smoke detectors,
    combustion products type.|SFM||

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    12-1 ADMINISTRATION

    RESERVED

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    12-3 RELEASING SYSTEMS FOR SECURITY BARS IN DWELLINGS

    (This standard includes provisions of Underwriters Laboratories Subject 2326, Appendix B, dated December 17, 1999, reprinted with their permission.)

    INTRODUCTION

    SECTION 12-3-1—SCOPE

    12-3-1.1 These requirements cover releasing systems for bars, grilles, mesh, glazing or other items intended to provide security at doors and windows required for emergency escape from dwelling units. When actuated by the occupant, the system allows the obstructions over the door or window to be moved so occupants can escape in the event of an emergency.

    12-3-1.2 These requirements only cover the ability of the releasing system to be manually activated from the interior of a dwelling unit by an occupant to affect an escape through the protected opening.

    12-3-1.3 These requirements cover releasing systems intended for use on the interior side of doors or windows in all climatic locations.

    12-3-1.4 These requirements do not evaluate the ability of the releasing system or obstructions to resist an external forced entry attack.

    12-3-1.5 These requirements do not evaluate the ability of the releasing system or obstructions to be opened or removed from the exterior of the residential dwelling unit by emergency response personnel during rescue operations.

    12-3-1.6 Products covered by these requirements are intended for installation in dwelling units to protect door and window openings that are designated by the California Building Standards Code to be used as the secondary means of escape from the living area.

    12-3-1.7 Products covered by these requirements are not intended to be used to protect doors in means of egress path for nonresidential occupancies, the common egress path of multifamily residential dwelling units or the primary means of egress path in a single-family dwelling unit.

    12-3-1.8 These requirements do not cover window guards or fall prevention devices that are intended to prevent falls from upper story windows.

    12-3-1.9 These requirements do not apply to storm doors and windows or light duty screens used for insect control.

  • CRSC § 12-8 Medium relevance — show source text
    1. The ignition burner shall be shut off at 15 minutes after initiation of the test and the test terminated at that time unless safety considerations dictate an earlier termination.
    2. Photograph and verbally describe the damage after the test.

    FLASHOVER AND SMOKE

    Sec. 12-8-115.

    (a) Flashover. The criterion for acceptable performance shall be that the compartment never reaches flashover at any time during the 15-minute period of ignition source burner operation. Flashover shall be considered to have occurred if one or more of the following conditions occur during the test:

    1. The average ceiling gas temperature, as determined by averaging the temperature at the center and quarter point thermocouples, reaches or exceeds 1112°F (600°C).

    2. The total heat flux at the floor, as determined by either of the total heat flux meters mounted in the geometric center of the floor, reaches or exceeds a value of 1.761 Btu/ft. [2] /sec.

    3. Visible flaming extends from the doorway of the test compartment.

    (b) Smoke. Materials meeting the acceptance criteria of this standard shall have a smoke density rating no greater than 75 when tested in the thickness intended for use by UBC Standard 26-5, or when tested in accordance with UBC Standard 8-1.

    MARKINGS

    Sec. 12-8-116. All materials shall be provided with a manufacturer’s label or other permanent marking clearly identifying the manufacturer label or other permanent marking clearly identifying the manufacturer, the product and model numbers (or brand name). Materials approved and listed by the State Fire Marshal shall be marked as required by Section 1.58, Title 19, C.A.C.

    TABLE 12-8-1A—IGNITION SOURCE RATE OF HEAT RELEASE PROGRAM FOR TESTS OF SAFETY CELL PADDING MATERIALS Col2
    ELAPSED TEST TIME (Min) BURNER GROSS RATE OF HEAT RELEASE (KW)
    0 44
    1 88
    2 132
    3 132
    4 88
    5-15 44

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    FIRE-RESISTIVE STANDARDS FOR FIRE PROTECTION

    FIGURE 12-8-1—TIME—MINUTES

    FIGURE 12-8-2—LOCATION OF HEAT FLUX METERS

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    FIRE-RESISTIVE STANDARDS FOR FIRE PROTECTION

    FIGURE 12-8-3—ROOM THERMOCOUPLE LOCATIONS

    Note: Two 0.20 mil. Type K thermocouples at each location.

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    FIRE-RESISTIVE STANDARDS FOR FIRE PROTECTION

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    FIRE-RESISTIVE STANDARDS FOR FIRE PROTECTION

    FIGURE 12-8-5—PLAN VIEW OF CANOPY HOOD

  • CRSC § 12-3 Medium relevance — show source text

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    PART 12 CROSS REFERENCE TABLE

    (Cross reference table is nonregulatory, intended only as an aid to the code user.)

    PART 12
    STANDARD    		 SUBJECT ADOPTING
    AGENCY    		 ASSOCIATED TITLE 24
    BUILDING STANDARD
    Chapter 12-3 Releasing systems for security bars in
    dwellings    		 SFM Part 2, Sections 1031.2.1, 1031.6, 1032.7
    Part 2.5, Sections R319.1.1 and R319.4.4
    Part 9, Sections 1031.2.1, 1031.6, 1032.7
    Appendix 4 Section 452.1.5 and Title 19 provisions 4.1, 4.2, 4.3,
    4.4, 4.5, 4.6 reprinted in Part 9
    Part 10, Section 505.4
    Chapter 12-4A Laboratory animal quarters standards DPH Part 2, Section 1236
    Chapter 12-4-1 Stage and Platforms SFM Part 2, Sections 410.2.7, 410.2.7.1, 410.2.7.2
    Part 9, Sections 105.6.51, 4809
    Chapter 12-7-1 Fire-resistive standards. Fire tests of building
    construction and materials.    		 SFM Part 2, Section 703
    Chapter 12-7-2 Reserved
    Chapter 12-7-3 Fire-resistive standards.
    Fire testing furnaces.    		 SFM Part 9, Section 3001
    Chapter 12-7-4 Fire-resistive standards.
    Fire door assembly tests.    		 SFM Part 2, Section 716
    Chapter 12-7-5 Fire-resistive standards. Interior
    finish of decorative material.    		 SFM Part 2, Chapter 8
    Part 9, Chapter 8
    Chapter 12-7A Materials and construction methods for
    exterior wildfire exposure    		 SFM Part 7, Chapter 5
    Chapter 12-8-1 Fire-resistive standards for fire protection SFM Part 2, Sections 408.14 and 435.6.2
    Appendix 12-8-1A Calculation of the total rate of heat and carbon
    monoxide or carbon dioxide production    		 SFM
    Appendix 12-8-1B Guide to mounting techniques for wall and
    ceiling interior finish material    		 SFM
    Chapter 12-10-1 Exits. Power-operated exit doors. SFM Part 2, Sections 408.4.2, 1010.1.4.2, 1010.1.9.1
    Chapter 12-10-2 Exits. Single-point latching or locking devices. SFM Part 2, Section 1010.2.2
    Part 9, Section 1010.2.2
    Chapter 12-10-3 Exits. Emergency exit and panic hardware.
  • CRSC § 3.1 Medium relevance — show source text

    2|1/3| |F/C-3-RC-2|31/4″|31/4″ deep (3540 psi) concrete deck;3/8″ main
    reinforcement bars at 51/2″ pitch with7/8″
    cover;3/8″ main reinforcement bars at 41/2″
    pitch perpendicular with1/2″ cover; 13′1″
    span restrained.|195
    psf|2 hrs|||7|1, 3, 4|2| |F/C-3-RC-3|31/4 ″|31/4″ deep (4175 psi) concrete deck;3/8″ main
    reinforcement bars at 51/2″ pitch with7/8″
    cover;3/8″ main reinforcement bars at 41/2″
    pitch perpendicular with1/2″ cover; 13′1″
    span restrained.|195
    psf|31
    min|||7|1, 5|1/2| |F/C-3-RC-4|31/4″|31/4″ deep (4355 psi) concrete deck;
    3/8″ main reinforcement bars at 51/2″ pitch
    with7/8″ cover;3/8″ main reinforcement bars
    at 41/2″ pitch perpendicular with1/2″ cover;
    13′1″ span restrained.|195
    psf|41
    min|||7|1, 5, 6|1/2|

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    RESOURCE A—GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES

    TABLE 3.1—continued
    FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE    		 Col2 Col3 Col4 Col5 Col6 Col7 Col8 Col9 Col10
    ITEM
    CODE    		 ASSEMBLY
    THICKNESS    		 CONSTRUCTION DETAILS PERFORMANCE PERFORMANCE REFERENCE NUMBER REFERENCE NUMBER REFERENCE NUMBER NOTES REC.
    HOURS
    ITEM
    CODE    		 ASSEMBLY
    THICKNESS    		 CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 POST-BMS-92 POST-BMS-92
    F/C-3-RC-5 31/4″ 31/4″ thick (3800 psi) concrete deck;3/8″
    main reinforcement bars at 51/2″ pitch
    with7/8″ cover;3/8″ main reinforcement
    bars at 41/2″ pitch perpendicular with1/2″
    cover; 13′1″ span restrained.    		 195 psf 1 hr
    5 min    		 7 1, 5 1
    F/C-4-RC-6 41/4″ 41/4″ thick; 31/4″ (4000 psi) concrete deck;
    1″ sprayed asbestos lower surface;
  • CRSC § 3.1 Medium relevance — show source text

    10|23/4| |F/C-6-RC-25|6″|6″ deep (4800 psi) concrete deck;1/4″ rein-
    forcement bars at 71/2″ pitch with7/8″
    cover;3/8″ main reinforcement bars at
    31/2″ pitch perpendicular with7/8″ cover;
    13′1″ span restrained.|195
    psf|4 hrs|||7|1, 7|4| |F/C-6-RC-26|6″|6″ (4650 psi) concrete deck;1/4″ reinforce-
    ment bars at 71/2″ pitch with7/8″ cover;3/8″
    main reinforcement bars at 31/2″ pitch
    perpendicular with1/2″ cover; 13′1″ span
    restrained.|195
    psf|2 hrs
    23 min|||7|1, 2|21/4| |F/C-6-RC-27|6″|6″ deep (6050 psi) concrete deck;1/4″ rein-
    forcement bars at 71/2″ pitch with7/8″
    cover;3/8″ reinforcement bars at 31/2″
    pitch perpendicular with1/2″ cover; 13′1″
    span restrained.|195
    psf|3 hrs
    30 min|||7|1, 10|31/2| |F/C-6-RC-28|6″|6″ deep (5180 psi) concrete deck;1/4″ rein-
    forcement bars at 8″ pitch with3/4″ cover;
    1/4″ reinforcement bars at 51/2″ pitch
    perpendicular with1/2″ cover; 13′1″ span
    restrained.|150
    psf|4 hrs|||7|1, 7|4|

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    RESOURCE A—GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES

    TABLE 3.1—continued
    FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE    		 Col2 Col3 Col4 Col5 Col6 Col7 Col8 Col9 Col10
    ITEM
    CODE    		 ASSEMBLY
    THICKNESS    		 CONSTRUCTION DETAILS PERFORMANCE PERFORMANCE REFERENCE NUMBER REFERENCE NUMBER REFERENCE NUMBER NOTES REC.
    HOURS
    ITEM
    CODE    		 ASSEMBLY
    THICKNESS    		 CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 POST-BMS-92 POST-BMS-92
    F/C-6-RC-29 6″ 6″ thick (4180 psi) concrete deck; 4″ × 3″ ×
    10 lbs R.S.J.; 2′6″ C.R.S.
  • CRSC § 1009.12 Medium relevance — show source text

    Emergency exit and panic hardware.
    |SFM|Part 9, Section 1009.12| |Chapter 12-11A,
    12-11B|Detectable warning products and directional
    surfaces|DSA|Part 2, Sections 1112A.9, 1116A.5, 11B-247,
    11B-406.5.12, 11B-705, 11B-810.5.2| |Chapter 12-12|Reserved||| |Chapter 12-13|Standards for insulating material|CA/SFM|Part 2.5, Section R302.10.1
    Part 6, Section 110.8
    Part 9, Section 720, Table 721.1(1)
    Part 11, Section A5.504.4.8| |Chapter 12-16-1|California standard for earthquake-actuated
    automatic gas shutoff systems|DSA|Part 2, Chapters 16 and 16A
    Part 5, Section 1211.8| |Chapter 12-16-2|California standard for residential excess flow
    actuated automatic gas shutoff valves|DSA|Part 5, Section 1209.1| |Chapter 12-31C|Radiation shielding|DPH|Part 2, Section 3102C| |Chapter 12-71|Air filters|SFM|Part 4, Sections 401.2, 509.2.3, 509.2.3.4
    Part 6, Section 120.1| |Chapter 12-72-1|Protective signaling systems.
    Standard test procedures.|SFM|| |Chapter 12-72-2|Protective signaling systems. Single-and
    multiple-station fire alarm devices
    mechanically operated type.|SFM|| |Chapter 12-72-3|Protective signaling systems. Smoke detectors,
    combustion products type.|SFM||

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    12-1 ADMINISTRATION

    RESERVED

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    12-3 RELEASING SYSTEMS FOR SECURITY BARS IN DWELLINGS

    (This standard includes provisions of Underwriters Laboratories Subject 2326, Appendix B, dated December 17, 1999, reprinted with their permission.)

    INTRODUCTION

    SECTION 12-3-1—SCOPE

    12-3-1.1 These requirements cover releasing systems for bars, grilles, mesh, glazing or other items intended to provide security at doors and windows required for emergency escape from dwelling units. When actuated by the occupant, the system allows the obstructions over the door or window to be moved so occupants can escape in the event of an emergency.

  • CRSC § 3.1 Medium relevance — show source text

    ; 2′6″ C.R.S.; flush
    with top surface; 4″ × 6″ x 13 SWG mesh
    reinforcement 1″ from bottom surface;
    6′6″ span restrained.|150 psf|1 hr
    3 min|||7|1, 2|1| |F/C-4-RC-13|41/2″|41/2″ thick (5200 psi) deck;1/4″ reinforce-
    ment bars at 71/4″ pitch with7/8″ cover;3/8″
    main reinforcement bars at 33/4″ pitch
    perpendicular with1/2″ cover; 13′1″ span
    restrained.|140 psf|2 hrs|||7|1, 3|2| |F/C-4-RC-14|41/2″|41/2″ deep (2525 psi) concrete deck;1/4″
    reinforcement bars at 71/2″ pitch with7/8″
    cover;3/8″ main reinforcement bars at
    33/8″ pitch perpendicular with1/2″ cover;
    13′1″ span restrained.|150 psf|42 min|||7|1, 5|2/3| |F/C-4-RC-15|41/2″|41/2″ deep (4830 psi) concrete deck;
    11/2″ × No. 15 gage wire mesh;3/8″ rein-
    forcement bars at 15″ pitch with 1″ cover;
    1/2″ main reinforcement bars at 6″ pitch
    perpendicular with1/2″ cover; 12′ span
    simply supported.|75 psf|1 hr
    32 min|||7|1, 8|11/2| |F/C-4-RC-16|41/2″|41/2″ deep (4595 psi) concrete deck;1/4″
    reinforcement bars at 71/2″ pitch with7/8″
    cover;3/8″ main reinforcement bars at
    31/2″ pitch perpendicular with1/2″ cover;
    12′ span simply supported.|75 psf|1 hr
    20 min|||7|1, 8|11/3|

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    RESOURCE A—GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES

    TABLE 3.1—continued
    FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE    		 Col2 Col3 Col4 Col5 Col6 Col7 Col8 Col9 Col10
    ITEM
    CODE    		 ASSEMBLY
    THICKNESS    		 CONSTRUCTION DETAILS PERFORMANCE PERFORMANCE REFERENCE NUMBER REFERENCE NUMBER REFERENCE NUMBER NOTES **REC.
  • CRSC § 502-20 Medium relevance — show source text

    502-20_|||X|||||||||||||||||||||| |NFPA 780-23|||X|||||||||||||||||||||| |NFPA 1124-17|||X|||||||||||||||||||||| |NFPA 2001-22|||X|||||||||||||||||||||| |PCI MNL 120-17||||||||X|X|X|X|X||X|X|||||||||| |PTI DC35.1-14||||||||X|X|X|X|X||X|X|||||||||| |SFM 12-3|||X|||||||||||||||||||||| |SFM 12-7-3|||X|||||||||||||||||||||| |SFM 12-7A-1|||X|||||||||||||||||||||| |SFM 12-7A-2|||X|||||||||||||||||||||| |SFM 12-7A-3|||X|||||||||||||||||||||| |SFM 12-7A-4|||X|||||||||||||||||||||| |SFM 12-7A-4A|||X|||||||||||||||||||||| |SFM 12-7A-5|||X|||||||||||||||||||||| |SFM 12-8-100|||X|||||||||||||||||||||| |SFM 12-10-1|||X|||||||||||||||||||||| |SFM 12-10-2|||X|||||||||||||||||||||| |SFM 12-10-3|||X||||||||||||||||||||||

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    CALIFORNIA BUILDING CODE – MATRIX ADOPTION TABLE

    CHAPTER 35 – REFERENCED STANDARDS—continued

    Adopting agency BSC BSC-
    CG    		 SFM HCD Col6 Col7 DSA Col9 Col10 OSHPD Col12 Col13 Col14 Col15 Col16 Col17 BSCC DHS AGR DWR CEC CA SL SLC
    Adopting agency BSC BSC-
    CG    		 SFM 1 2 1/AC AC SS SS/CC 1 1R 2 3 4 5 6 6 6 6 6 6 6 6 6
    Adopt entire chapter X X X
    Adopt entire chapter as
    amended (amended
    sections listed below)    		 X X X X X X X X X X X
    Adopt only those sections
    that are listed
  • CRSC § 12-7 Medium relevance — show source text

    Fire tests of building
    construction and materials.|SFM|Part 2, Section 703| |Chapter 12-7-2|Reserved||| |Chapter 12-7-3|Fire-resistive standards.
    Fire testing furnaces.|SFM|Part 9, Section 3001| |Chapter 12-7-4|Fire-resistive standards.
    Fire door assembly tests.|SFM|Part 2, Section 716| |Chapter 12-7-5|Fire-resistive standards. Interior
    finish of decorative material.|SFM|Part 2, Chapter 8
    Part 9, Chapter 8| |Chapter 12-7A|Materials and construction methods for
    exterior wildfire exposure|SFM|Part 7, Chapter 5| |Chapter 12-8-1|Fire-resistive standards for fire protection|SFM|Part 2, Sections 408.14 and 435.6.2| |Appendix 12-8-1A|Calculation of the total rate of heat and carbon
    monoxide or carbon dioxide production|SFM|| |Appendix 12-8-1B|Guide to mounting techniques for wall and
    ceiling interior finish material|SFM|| |Chapter 12-10-1|Exits. Power-operated exit doors.|SFM|Part 2, Sections 408.4.2, 1010.1.4.2, 1010.1.9.1| |Chapter 12-10-2|Exits. Single-point latching or locking devices.|SFM|Part 2, Section 1010.2.2
    Part 9, Section 1010.2.2| |Chapter 12-10-3|Exits. Emergency exit and panic hardware.
    |SFM|Part 9, Section 1009.12| |Chapter 12-11A,
    12-11B|Detectable warning products and directional
    surfaces|DSA|Part 2, Sections 1112A.9, 1116A.5, 11B-247,
    11B-406.5.12, 11B-705, 11B-810.5.2| |Chapter 12-12|Reserved||| |Chapter 12-13|Standards for insulating material|CA/SFM|Part 2.5, Section R302.10.1
    Part 6, Section 110.8
    Part 9, Section 720, Table 721.1(1)
    Part 11, Section A5.504.4.8| |Chapter 12-16-1|California standard for earthquake-actuated
    automatic gas shutoff systems|DSA|Part 2, Chapters 16 and 16A
    Part 5, Section 1211.8| |Chapter 12-16-2|California standard for residential excess flow
    actuated automatic gas shutoff valves|DSA|Part 5, Section 1209.1| |Chapter 12-31C|Radiation shielding|DPH|Part 2, Section 3102C| |Chapter 12-71|Air filters|SFM|Part 4, Sections 401.2, 509.2.3, 509.2.3.4
    Part 6, Section 120.1| |Chapter 12-72-1|Protective signaling systems.
    Standard test procedures.|SFM|| |Chapter 12-72-2|Protective signaling systems.

  • CRSC § 4.1.3 Medium relevance — show source text
    Col1 Col2
    81~~/
    "~~    		 81~~/
    "~~

    2025 CALIFORNIA EXISTING BUILDING CODE RESOURCE A-109

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    RESOURCE A—GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS AND ASSEMBLIES

    TABLE 4.1.3
    REINFORCED CONCRETE BEAMS
    DEPTH 14″ TO LESS THAN 16″    		 Col2 Col3 Col4 Col5 Col6 Col7 Col8 Col9 Col10
    ITEM
    CODE    		 DEPTH CONSTRUCTION DETAILS PERFORMANCE PERFORMANCE REFERENCE NUMBER REFERENCE NUMBER REFERENCE NUMBER NOTES REC. HOURS
    ITEM
    CODE    		 DEPTH CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 POST-BMS-92 POST-BMS-92
    B-15-RC-1 15″ Concrete flange: 4″ deep × 2' wide (3290 psi)
    concrete; concrete beam: 10″ deep × 81/2″
    wide; “I” beam reinforcement: 10″ × 41/2″ × 25
    lbs R.S.J.; 4″ cover on bottom flange; 1″ cover
    on top flange; flange reinforcement:3/8″ diam-
    eter bars at 6″ pitch parallel to “T”;1/4″
    diameter bars perpendicular to “T”; beam
    reinforcement: 4″ × 6″ No. 13 SWG wire mesh;
    span: 11′ restrained.    		 10 tons 6 hrs 7 1–3,
    5, 6    		 4
    B-15-RC-2 15″ Concrete flange: 4″ deep × 2' wide (4820 psi)
    concrete; concrete beam: 10″ deep × 81/2″
    wide; “I” beam reinforcement: 10″ × 41/2″ × 25
    lbs R.S.J.; 1″ cover over wire mesh on bottom
    flange; 1″ cover on top flange; flange rein-
    forcement:3/8″ diameter bars at 6″ pitch
    parallel to “T”;1/4″ diameter bars perpendicu-
    lar to “T”; beam reinforcement: 4″ × 6″ No. 13
    SWG wire mesh; span: 11′ restrained.    		 10 tons 6 hrs 7 1, 2,
    4–6    		 4

    For SI: 1 inch = 25.4 mm, 1 foot = 305 mm, 1 pound = 0.004448 kN, 1 pound per square inch = 0.00689 MPa, 1 ton = 8.896 kN.

    Notes:

    1. Load concentrated at mid-span.
    2. Achieved 6-hour fire rating (Grade “A,” British).
  • CRSC § 9.3 Medium relevance — show source text

    Ventilators having plastic covers shall not exceed 100 square feet (9.3 m [2] ) in area.

    (k) Fail-safe design. The ventilator cover, lid, sidelight or shutter shall be designed to fail safe in the event of fire and shall not fall back over the opening. It shall require a manual operation to reclose the cover, lid, sidelight or shutter.

    (l) Opening counterforce.

    1. Gravity-type ventilators shall have securely attached weights to provide a continuous excess counterweight of not less than 30 pounds throughout the opening arc of the lid or sidelight.
    2. Devices used to open ventilators shall be designed to exert a continuous opening force, at all times normal to the lid of not less than 30 pounds. When springs are used they shall not be stressed to more than 50 percent of their capacity when the lid is in a closed position.
    3. Louvered-type shutters intended for installation in gables shall be of the gravity type. The excess counter-weight shall be not less than 2 pounds per square foot of gross shutter area.

    (m) Automatic heat or smoke detectors shall be placed in the underside of the ventilator at or above the roof line.

    2025 CALIFORNIA REFERENCED STANDARDS CODE 11

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    STAGE AND PLATFORMS

    (n) Test procedure.

    1. Ventilators and shutters shall be mounted for the tests in a manner simulating their intended use. The lid, cover or sidelight shall be held in a closed position by a fusible link, or an automatic heat or smoke actuated detector or combination thereof, and the fusible link or detector controls.

    2. The opening counterforce shall be measured at the geometric center of the lid, cover or sidelight. The automatic detector shall be released and measurements of the counterforce taken at various points throughout the opening arc but at not less than at 30 inches (762 mm) and at 60 inches (1524 mm) from the plane of the lid when in a closed position, and at a point past 90 inches (2286 mm) from the horizontal.

    3. The opening force of gable-type shutter ventilators shall be measured from the top of the operating bar.

    (o) Test report. The test report shall include but is not limited to the following:

    1. A detailed description of the unit and its intended operation.

    2. Engineering data and shop drawings. Shop drawings shall bear the seal or stamp of a registered or licensed engineer or architect attesting to the structural integrity of the ventilator as it relates to the provisions of Section 12-4-100 (f).

    3. Photographs [4 inches by 5 inches (101 mm by 127 mm) or larger] of the unit with markings identifying component parts of the unit.

    4. Description and results of the tests performed.

    12 2025 CALIFORNIA REFERENCED STANDARDS CODE

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    12-7-1 FIRE-RESISTIVE STANDARDS

    FIRE TESTS OF BUILDING CONSTRUCTION AND MATERIALS

    STANDARD 12-7-1

    STATE FIRE MARSHAL

    SCOPE

    Sec. 12-7-100.

  • CRSC § 106.8 Medium relevance — show source text
    1. Use open grid pavement system or pervious or permeable pavement system.
    2. Locate 50 percent of parking underground or use multilevel parking.
    3. Other methods of reducing heat island effects acceptable to the enforcing agency.

    Note: Local agencies may have ordinances requiring mitigation of heat island effects through building or parking lot shading, tree plantings, landscaping, use of pervious pavements and other approved methods.

    A4.106.8 Electric vehicle (EV) charging for new construction. New construction shall comply with Section A4.106.8.1 or A4.106.8.2, to facilitate the installation and use of EV ready spaces. Electric vehicle supply equipment (EVSE) shall comply with the California Electrical Code .

    A4.106.8.1 New one- and two-family dwellings and townhouses with attached private garages.

    Tier 1 and Tier 2. For each dwelling unit, a dedicated 208/240-volt branch circuit shall be installed in the raceway required by Section 4.106.4.1. The branch circuit and associated overcurrent protective device shall be rated at 40 amperes minimum. Other electrical components, including a receptacle or blank cover, related to this section shall be installed in accordance with the California Electrical Code.

    A4.106.8.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device designated for future EV charging purposes as “EV READY” in accordance with the California Electrical Code. The receptacle or blank cover shall be identified as “EV READY.”

    A4.106.8.2 New multifamily dwellings, hotels and motels. New multifamily dwellings, hotels and motels shall meet the following requirements.

    A4.106.8.2.1 Multifamily dwellings, hotels and motels.

    Tier 1. New multifamily dwellings, hotels and motels.

    1. EV ready parking spaces with receptacles. a. Hotels and motels. Sixty (60) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. b. Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 EV charging receptacles, the listed raceway serving such receptacles shall be sized to allow

    APPENDIX A4-6 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    APPENDIX A4 — RESIDENTIAL VOLUNTARY MEASURES

    the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.

Frequently asked questions

Who must be able to operate the releasing system?

The standard covers operation by the occupant from the interior of the dwelling; operation by exterior personnel is not evaluated under this standard (§ 12-3-1.2, § 12-3-1.5) .

Does a listing to this CRSC mean the product is burglar-proof?

No. The CRSC explicitly does not evaluate resistance to external forced entry (§ 12-3-1.4) .

Can these releasing systems be used on common egress doors in an apartment building?

No. The standard is not intended for common egress paths of multifamily units or nonresidential egress paths (§ 12-3-1.7) .

Are window fall-prevention guards covered by this standard?

No. Window guards or fall-prevention devices intended to prevent falls from upper-story windows are excluded (§ 12-3-1.8) .

If firefighters need exterior access during rescue, does this standard ensure that?

No. The standard does not evaluate exterior removal or opening by emergency response personnel (§ 12-3-1.5) .

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Related in the CRSC

When do the releasing-system rules for security bars apply?

Key definitions: 'security bars', 'escape', and 'means of escape'

Scope & applicability

California Referenced Standards Code