CRSC · California Referenced Standards Code

Endurance cycling, environmental conditioning and abuse tests

The CRSC requires releasing systems for security bars to survive 250 cycles, be tested after 24‑hour hot (120°F) and cold (32°F) conditioning, and survive six controlled impacts (5 ft‑lb each) — and in every case still meet the Manual Actuation/opening‑force limits in §§ 12‑3‑8.2/8.3.

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Last reviewed: July 6, 2026

What the code requires — plain English

A releasing system for security bars must survive a specified endurance cycling run, then be tested after environmental conditioning and simulated abuse to ensure it still unlatches within the permitted forces. The primary rules are in § 12-3-9.1, § 12-3-10.1, § 12-3-10.2, § 12-3-10.3, and § 12-3-11.1 of the CRSC.

The most important requirement: a sample must operate through the prescribed endurance cycles, be conditioned (hot or cold), be subjected to simulated abuse, and in every case still meet the Manual Actuation Test/opening force limits called out elsewhere in the standard. § 12-3-9.1, § 12-3-10.1, § 12-3-11.1.

Requirements in detail

Key defined terms (first use bolded)

  • Endurance cycling — the repetitive operation of the releasing system for a specified number of cycles. § 12-3-9.1.
  • Environmental conditioning — exposure of test samples to specified temperature/humidity conditions before testing. § 12-3-10.1–10.3.
  • Abuse test / simulated abuse — mechanical impacts applied to portions of the release system to simulate rough treatment. § 12-3-11.1 (see 12-3-11.2 for the impact method).
  • Manual Actuation Test — the functional test the assembly must pass after conditioning/abuse; opening forces must not exceed the values in § 12-3-8.2 or § 12-3-8.3. § 12-3-10.1.

Decision‑relevant dimensions and values

Requirement Value / Action Code Reference
Endurance cycles 250 cycles of operation without failure or excessive wear; then subject sample to the Operation Test. § 12-3-9.1
Cycling conduct (rate & motion) System operated and reset per manufacturer; unlatch/disengage/reset is sufficient (no need to open bars fully); cycling rate shall not exceed 30 cycles per minute. § 12-3-9.2
Post-conditioning functional limit After conditioning, opening forces must not exceed values in § 12-3-8.2 or § 12-3-8.3 (these specify max unlatch forces for finger/hand/foot actuators and alternate foot-impact test). § 12-3-10.1 and § 12-3-8.2/8.3
High-temperature conditioning Condition sample at 120°F (49°C) for 24 hours; then perform Manual Actuation Test while in chamber or immediately after removal. § 12-3-10.2 and § 12-3-10.1
Low-temperature conditioning Condition sample at 32°F (0°C) for 24 hours; then perform Manual Actuation Test while in chamber or immediately after removal. § 12-3-10.3 and § 12-3-10.1
Abuse (simulated impact) Subject sample to six impacts of 5 ft‑lb (6.8 N·m) each, applied with a 2‑inch (51 mm) diameter steel ball on portions of the release system most likely to affect operation; then must comply with Manual Actuation Test. § 12-3-11.2 and § 12-3-11.1

Notes:

  • The Manual Actuation Test and the specific allowable opening/unlatching forces are called out in § 12-3-8.2 and § 12-3-8.3; those are the acceptance thresholds you must use after any conditioning or abuse.
  • § 12-3-10.1 explicitly allows the Manual Actuation Test to be performed either while the assemblies remain in the test chamber or immediately after removal and allows reuse of the same sample or different samples for each exposure condition.

Test sequence (recommended reading from the sections)

  1. Perform endurance cycling on a sample (see § 12-3-9.1).
  2. After cycling, perform the Operation Test (as required by § 12-3-9.1).
  3. For environmental exposures, condition a sample at the specified temperature for 24 hours (hot or cold) and then perform the Manual Actuation Test while in or immediately after the chamber (§ 12-3-10.1–10.3).
  4. For abuse, apply the six specified impacts and then perform the Manual Actuation Test (§ 12-3-11.1–11.2).

Exceptions & special cases

  • Single-sample vs. multiple-sample use: § 12-3-10.1 allows that a single sample may be used for each exposure or different samples may be used for each exposure; you are not forced to destroy multiple samples. Use the approach that best fits your test program but document which approach was used.
  • Where to test: The Manual Actuation Test may be performed in the chamber or immediately after removal; do not delay the test beyond “immediately” or you risk invalidating the conditioning effect. § 12-3-10.1.
  • Acceptance criteria source: Post‑conditioning acceptance is tied to § 12-3-8.2 / § 12-3-8.3 opening force limits, not to arbitrary manufacturer values. § 12-3-10.1.

If any required text for a particular nuance is not present in the files retrieved above, that gap is noted in the relevant section — do not assume additional un-cited requirements.

Common mistakes

  • Treating endurance cycling as purely cosmetic — the sample must function without failure or excessive wear, including not visibly frayed cable wires, for 250 cycles. § 12-3-9.1.
  • Waiting to perform the Manual Actuation Test until the sample has returned to room temperature — § 12-3-10.1 requires the test be done in-chamber or immediately after removal.
  • Using wrong units or impact energy — the abuse test specifies 5 ft‑lb (6.8 N·m) per impact, six impacts, with a 2‑inch (51 mm) steel ball; do not confuse ft‑lb with foot‑pounds of force or use a different impact geometry. § 12-3-11.2.
  • Forgetting to check the opening-force limits in § 12-3-8.2/8.3 after conditioning/abuse. These numeric thresholds are the pass/fail criteria.

Worked example — concrete scenario

Scenario: You are testing a cable-operated release for a dwelling security bar.

  1. Endurance: Run one sample through 250 cycles of unlatch→reset (do not need to open bars fully). Ensure no failure or excessive wear (no severing/fraying). After cycling, perform the Operation Test. (§ 12-3-9.1 and § 12-3-9.2).

  2. Hot conditioning: Place the sample in a chamber at 120°F (49°C) for 24 hours. While still in the chamber (or immediately upon removal) perform the Manual Actuation Test; measure unlatching/opening force and compare to the thresholds in § 12-3-8.2. If the measured forces exceed those thresholds, the sample fails. (§ 12-3-10.2, § 12-3-10.1, and § 12-3-8.2).

  3. Cold conditioning: Repeat with a fresh sample at 32°F (0°C) for 24 hours, then perform Manual Actuation Test in-chamber or immediately after removal. (§ 12-3-10.3 and § 12-3-10.1).

  4. Abuse test: On another sample, apply six impacts each of 5 ft‑lb (6.8 N·m) using a 2‑inch steel ball on critical portions of the release system. After the impacts, perform the Manual Actuation Test — if the sample still meets the opening-force limits in § 12-3-8.2/8.3, it passes § 12-3-11.1.

Document all measurements, ambient conditions, and whether tests were performed in-chamber or after removal as required by § 12-3-10.1.

Related provisions (CRSC sections)

  • § 12-3-8.2 — Manual Actuation Test force limits (finger/hand/foot actuators).
  • § 12-3-8.3 — Alternate foot‑actuated impact test and acceptance for kick-type foot actuators.
  • § 12-3-9.2 — Details on how cycling is to be performed and maximum cycle rate (30 cycles/min).
  • § 12-3-11.2 — Abuse-impact method (6 impacts, 5 ft‑lb, 2‑in ball).
  • § 12-3-10.4 — Humidity conditioning (24 h at 85 ±5% RH at 90°F ±5°F) — related environmental exposure (not in the controlling list you supplied but present in the chapter).
  • § 12-3-12.1–12.3 — Marking requirements for assemblies and actuators (relevant for labeling after testing).
  • § 12-3-13.1–13.3 — Instruction manual and installation/location requirements (e.g., actuator height).

Code references

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

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

    SECTION 12-3-9—ENDURANCE TEST

    12-3-9.1 A sample of the security bar releasing system shall function as intended during 250 cycles of operation without failure or excessive wear of the parts, including serving or fraying of individual cable wires. Following the cycling, the system shall be subjected to the Operation Test.

    12-3-9.2 The system shall be operated and reset as described in the manufacturer's operating instructions. As part of the cycling, it is only necessary to unlatch, disengage and reset the system, and not open the security bars to the full open position. The cycling rate shall not exceed 30 cycles per minute.

    SECTION 12-3-10—ENVIRONMENTAL EXPOSURE TEST

    12-3-10.1 After each of the following exposures, test assemblies shall be subjected to the Manual Actuation Test. The test shall be performed while the test assemblies are in the test chambers, or immediately after their removal from the test chamber. Opening forces after these conditionings shall not exceed the values shown in Section 12-3-8.2 or 12-3-8.3. A single sample shall be subjected to each exposure. The same sample, or different sample, shall be allowed to be used for each exposure condition.

    12-3-10.2 Elevated ambient. Samples shall be conditioned in a 120°F (49°C) environment for 24 hours.

    12-3-10.3 Low ambient. Samples shall be conditioned in a 32°F (0°C) environment for 24 hours.

    12-3-10.4 Humidity test. Samples shall be conditioned for 24 hours in moist air having a relative humidity of 85 +/– 5 percent at a temperature of 90°F +/– 5°F (32 +/– 2°C).

    SECTION 12-3-11—ABUSE TEST

    12-3-11.1 A sample shall comply with the Manual Actuation Test requirements in Sections 12-3-8.2 and 12-3-8.3 after being subjected to the simulated abuse provided in Section 12-3-11.2.

    12-3-11.2 The sample shall be subject to six impacts of 5 feet-pounds (6.8 N · m) each applied with a 2-inch diameter (51 mm) steel ball on portions of the release system that are most likely to adversely affect the operation of the system.

    MARKINGS AND INSTRUCTIONS

    SECTION 12-3-12—MARKINGS

    12-3-12.1 Security bars and the latching mechanism shall be permanently marked with the company name, model number and date of manufacture. When a manufacturer produces assemblies at more than one factory, each such assembly shall have a distinctive marking to identify it as the product of a particular factory.

    12-3-12.2 Symbols or diagrams shall be marked on the manual actuator to identify how to manually release the security bars. The diagram or symbols shall be readily visible to occupants when the assembly is mounted as intended.

    12-3-12.3 Security bars and the latching mechanism shall be marked with the name or logo of the testing agency certifying to compliance of the products with this standard, and identification of the standard as SFM SB-2000.

    12-3-12.4 Adhesive-backed labels used to provide required markings shall be suitable for the application and shall comply with UL Standard 969, 1995 Edition.

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

    12-3-8.2.1 The average force required to unlatch finger-actuated systems shall not exceed 5 pounds (22 N) over the five attempts. The force required to unlatch the system during any of the attempts shall not exceed 10 pounds (44 N).

    12-3-8.2.2 The average force required to unlatch hand-actuated systems shall not exceed 5 pounds (22 N) over the five attempts. The force required to unlatch the system during any of the attempts shall not exceed 10 pounds (44 N).

    12-3-8.2.3 The average force required to unlatch foot-actuated systems shall not exceed 15 pounds (66 N) over the five attempts. The force required to unlatch the system during any of the attempts shall not exceed 30 pounds (132 N).

    12-3-8.3 In lieu of complying with Section 12-3-8.2, foot-actuated systems designed to be operated by a kick shall successfully unlatch and disengage the latching mechanism each of five times when subjected to the following impact. The impact shall be applied by swinging a 25-pound (11.4 kg) weight on a 4-foot (1.2 m) pendulum from 10 inches (254 mm) away, measured horizontally. The point of impact on the foot actuator shall be at the bottom of the pendulum swing.

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    RELEASING SYSTEMS FOR SECURITY BARS IN DWELLINGS

    12-3-8.4 Once the system is unlatched, a maximum force required to set the security bars in motion shall not exceed 30 pounds (132 N), and the maximum force required to open the security bars to the minimum required width shall not exceed 15 pounds (66 N).

    SECTION 12-3-9—ENDURANCE TEST

    12-3-9.1 A sample of the security bar releasing system shall function as intended during 250 cycles of operation without failure or excessive wear of the parts, including serving or fraying of individual cable wires. Following the cycling, the system shall be subjected to the Operation Test.

    12-3-9.2 The system shall be operated and reset as described in the manufacturer's operating instructions. As part of the cycling, it is only necessary to unlatch, disengage and reset the system, and not open the security bars to the full open position. The cycling rate shall not exceed 30 cycles per minute.

    SECTION 12-3-10—ENVIRONMENTAL EXPOSURE TEST

    12-3-10.1 After each of the following exposures, test assemblies shall be subjected to the Manual Actuation Test. The test shall be performed while the test assemblies are in the test chambers, or immediately after their removal from the test chamber. Opening forces after these conditionings shall not exceed the values shown in Section 12-3-8.2 or 12-3-8.3. A single sample shall be subjected to each exposure. The same sample, or different sample, shall be allowed to be used for each exposure condition.

    12-3-10.2 Elevated ambient. Samples shall be conditioned in a 120°F (49°C) environment for 24 hours.

    12-3-10.3 Low ambient. Samples shall be conditioned in a 32°F (0°C) environment for 24 hours.

  • CRSC § 17.8 Medium relevance — show source text

    Five test trials shall be conducted on each sample with at least a 5-minute interval between each trial. The following readings are to be recorded for each trial at the moment of actuation: (1) visible smoke obscuration, (2) combustion products meter reading, (3) elapsed time of test trial and (4) the monitoring means. If a detector has a variable sensitivity setting, five trials are to be made at the maximum, minimum and nominal sensitivity settings. 6. The detector shall be uniform in operation so that the average of the readings of the smoke density and combustion products meters of the mean three of five trials (highest and lowest not included) of one detector shall be within 50 percent of the mean average of all detectors. If a detector has a variable sensitivity setting, the requirement applies to each setting tested. 7. There shall be no false alarms or effect on operation of a detector set at the maximum sensitivity setting when two representative samples are subjected to the following test conditions: A. Operation for three months in an ambient room temperature of approximately 25 ± 3°C (77 ± 5°F) and relative humidity of 30–50 percent, having a relatively clean atmosphere with minimum air movement. B. Operation for three months in a relatively clean atmosphere in laminal air stream having a velocity of 300 ± 25 fpm. in an ambient room temperature of approximately 25 ± 3°C (77 ± 5°F) and relative humidity of 30–50 percent. C. Ten cycles of humidity variation between 20 and 90 ± 5 percent at room temperature. D. Ten cycles of temperature variation between 17.8°C and 66°C (0°F and 150°F). E. Ten cycles of rapid change of air velocity from 0 to 300 ± 25 fpm. F. Ten cycles of a 2-inch (51 mm) drop of air pressure starting from 29-31 ± 0.5 inch (13 mm) of mercury. G. Fifty cycles of momentary interruption of the detector power supply at a rate of not more than 6 cycles per minute. 8. Two detectors, employing a maximum sensitivity setting are to be mounted in a position of normal use, energized from a source of supply in accordance with Section 12-72-303 (a), Item 5, and subjected to each of the above test conditions. 9. For tests, C, D and F of Section 12-72-303 (g), Item 5, the time of cycling from one extreme to the other shall be a maximum of 1 hour and a minimum of 5 minutes. For test E the air velocity is to be turned on and off abruptly with a maximum of 1 hour between applications. For test F the time of change from one pressure to the other is approximately one-half minute. The cycling is conducted at a rate not faster than once per 10 seconds. Each cycle is to start at one test condition, changing to the other extreme and returning to the original test condition. 10. The test samples subjected to tests A-G of Section 12-72-303 (g), Item 5, are to be tested for sensitivity, see Sections 12-72303 (f) following the completion of the test. The response of the detectors, when tested in accordance with the sensitivity test, shall not vary more than 50 percent from the value obtained prior to the test.

    (h) Deleted.

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    PROTECTIVE SIGNALING SYSTEMS

    (i) Fire test. 1.

  • CRSC § 6-1 Medium relevance — show source text

    2|Spruce-pine-fir|SS|6-1|9-6|12-7|16-0|19-1|6-1|9-6|12-5|15-3|17-8| |19.2|Spruce-pine-fir|#1|5-11|8-11|11-3|13-9|15-11|5-7|8-3|10-5|12-9|14-9| |19.2|Spruce-pine-fir|#2|5-11|8-11|11-3|13-9|15-11|5-7|8-3|10-5|12-9|14-9| |19.2|Spruce-pine-fir|#3|4-7|6-9|8-6|10-5|12-1|4-3|6-3|7-11|9-7|11-2| |24|Douglas fir-larch|SS|6-1|9-7|12-7|16-1|18-8|6-1|9-7|12-2|14-11|17-3| |24|Douglas fir-larch|#1|5-10|8-6|10-9|13-2|15-3|5-5|7-10|10-0|12-2|14-1| |24|Douglas fir-larch|#2|5-6|8-1|10-3|12-6|14-6|5-1|7-6|9-5|11-7|13-5| |24|Douglas fir-larch|#3|4-3|6-2|7-10|9-6|11-1|3-11|5-8|7-3|8-10|10-3| |24|Hem-fir|SS|5-9|9-1|11-11|15-2|18-0|5-9|9-1|11-9|14-5|15-11| |24|Hem-fir|#1|5-8|8-5|10-8|13-0|15-1|5-4|7-9|9-10|12-0|13-11| |24|Hem-fir|#2|5-4|7-10|9-11|12-1|14-1|4-11|7-3|9-2|11-3|13-0| |24|Hem-fir|#3|4-1|6-0|7-7|9-4|10-9|3-10|5-7|7-1|8-7|10-0| |24|Southern pine|SS|6-0|9-5|12-5|15-10|19-3|6-0|9-5|12-5|15-2|17-10| |24|Southern pine|#1|5-9|8-8|11-0|12-10|15-3|5-5|8-0|10-2|11-11|14-1| |24|Southern pine|#2|5-0|7-5|9-5|11-3|13-2|4-7|6-11|8-9|10-5|12-3| |24|Southern

  • CRSC § 11-4 Medium relevance — show source text
    • in.)|(ft. - in.)**| |12|Douglas Fir-Larch|SS|11-4|15-0|19-1|23-3|11-4|15-0|19-1|23-3| |12|Douglas Fir-Larch|#1|10-11|14-5|18-5|22-0|10-11|14-2|17-4|20-1| |12|Douglas Fir-Larch|#2|10-9|14-2|17-9|20-7|10-6|13-3|16-3|18-10| |12|Douglas Fir-Larch|#3|8-8|11-0|13-5|15-7|7-11|10-0|12-3|14-3| |12|Hem-Fir|SS|10-9|14-2|18-0|21-11|10-9|14-2|18-0|21-11| |12|Hem-Fir|#1|10-6|13-10|17-8|21-6|10-6|13-10|16-11|19-7| |12|Hem-Fir|#2|10-0|13-2|16-10|20-4|10-0|13-1|16-0|18-6| |12|Hem-Fir|#3|8-8|11-0|13-5|15-7|7-11|10-0|12-3|14-3| |12|Southern Pine|SS|11-2|14-8|18-9|22-10|11-2|14-8|18-9|22-10| |12|Southern Pine|#1|10-9|14-2|18-0|21-11|10-9|14-2|16-11|20-1| |12|Southern Pine|#2|10-3|13-6|16-2|19-1|9-10|12-6|14-9|17-5| |12|Southern Pine|#3|8-2|10-3|12-6|14-9|7-5|9-5|11-5|13-6| |12|Spruce-Pine-Fir|SS|10-6|13-10|17-8|21-6|10-6|13-10|17-8|21-6| |12|Spruce-Pine-Fir|#1|10-3|13-6|17-3|20-7|10-3|13-3|16-3|18-10| |12|Spruce-Pine-Fir|#2|10-3|13-6|17-3|20-7|10-3|13-3|16-3|18-10| |12|Spruce-Pine-Fir|#3|8-8|11-0|13-5|15-7|7-11|10-0|12-3|14-3| |16|Douglas Fir-Larch|SS|10-4|13-7|17-4|21-1|10-4|13-7|17-4|21-0| |16|Douglas Fir-Larch|#1|9-11|13-1|16-5|19-1|9-8|12-4|15-0|17-5| |16|Douglas
  • CRSC § 12-7 Medium relevance — show source text

    CONDUCT OF TESTS

    Sec. 12-7-404.

    (a) Time of testing. Masonry settings shall be allowed to dry at least 3 days before tests are made.

    (b) Fire endurance test.

    1. The pressure in the furnace chamber shall be maintained as nearly equal to the atmospheric pressure as possible.
    2. The test shall be continued until the exposure period of the desired classification or rating is reached, unless the conditions of acceptance set forth in the appropriate paragraphs are exceeded in a shorter period.

    (c) Hose stream test.

    1. Immediately following the fire endurance test, the test assembly shall be subjected to the impact, erosion and cooling effects of a hose stream directed first at the middle and then at all parts of the exposed surface, changes in direction being made slowly.
    2. The hose stream shall be delivered through a 2 [1] / 2 -inch (63.5 mm) hose discharging through a national standard play-pipe of corresponding size equipped with a 1 [1] / 8 -inch (22 mm) discharge tip of the standard-taper smooth-bore pattern without shoulder at the orifice. The water pressure at the base of the nozzle and duration of the application in seconds per square feet of exposed area shall be as given in Table 12-7-4A.
    3. The tip of the nozzle shall be located 20 feet (6096 mm) from and on a line normal to the center of the test door. If impossible to be so located, the nozzle may be on a line deviating not more than 30 degrees from the line normal to the center of the test door. When so located the distance from the center shall be less than 20 feet (6096 mm) by an amount equal to 1 foot (305 mm) for each 10 degrees of deviation from the normal.

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    FIRE-RESISTIVE STANDARDS

    TABLE 12-7-4A—HOSE STREAM TEST Col2 Col3
    DESIRED RATING WATER PRESSURE AT BASE OF NOZZLE,
    POUNDS PER SQUARE INCH    		 DURATION OF APPLICATION, SECONDS
    PER SQUARE FOOT EXPOSED AREA
    3 hours 45 3
    11/2 hours and over if less than 3 hours 30 1.5
    1 hour and over if less than 11/2 hours 30 0.9
    Less than 1 hour 30 0.6

    REPORT

    Sec. 12-7-405.

    1. The report shall record the construction and mounting details of the door(s) as provided in Section 12-7-403. Drawings and photographs of construction and mounting details shall be provided.
    2. The results shall be reported in accordance with the performance in tests prescribed in these test methods. The report shall show the performance under the desired exposure period chosen from the following: 20 minutes, 30 minutes, 45 minutes, 1 hour, 1 [1] / 2 hours or 3 hours. The report shall include the temperature measurements of the furnace, and if determined, of the unexposed side of the test assembly. It shall also contain a record of all observations having a bearing on the performance of the test assembly.

    CONDITIONS OF ACCEPTANCE

    Sec. 12-7-406.

  • 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 § 12-72 Medium relevance — show source text

    G. Fifty cycles of momentary interruption of the detector power supply at a rate of not more than 6 cycles per minute. 8. Two detectors, employing a maximum sensitivity setting are to be mounted in a position of normal use, energized from a source of supply in accordance with Section 12-72-303 (a), Item 5, and subjected to each of the above test conditions. 9. For tests, C, D and F of Section 12-72-303 (g), Item 5, the time of cycling from one extreme to the other shall be a maximum of 1 hour and a minimum of 5 minutes. For test E the air velocity is to be turned on and off abruptly with a maximum of 1 hour between applications. For test F the time of change from one pressure to the other is approximately one-half minute. The cycling is conducted at a rate not faster than once per 10 seconds. Each cycle is to start at one test condition, changing to the other extreme and returning to the original test condition. 10. The test samples subjected to tests A-G of Section 12-72-303 (g), Item 5, are to be tested for sensitivity, see Sections 12-72303 (f) following the completion of the test. The response of the detectors, when tested in accordance with the sensitivity test, shall not vary more than 50 percent from the value obtained prior to the test.

    (h) Deleted.

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    PROTECTIVE SIGNALING SYSTEMS

    (i) Fire test.

    1. At least two of the four detectors subjected to each of the following combustible tests shall operate for alarm when installed on 30-foot (9144 mm) spacings and exposed to the following four types of controlled test fires. The maximum response time shall be 2 minutes for tests A, B and C, and 4 minutes for test D. A. Paper. Combustible is to be [1] / 2 pound of shredded newsprint type paper, strips to be [1] / 4 to [3] / 8 inch (6 mm to 9 mm) wide, 6 to 24 inches (152 mm to 609 mm) long placed in a receptacle formed of [1] / 4 -inch (6 mm) mesh hardware cloth. The receptacle is to be approximately 12 inches (305 mm) in diameter by 24 inches (609 mm) high with a hardware cloth bottom 6 inches (152 mm) above the base. The combustible is to be ignited at the bottom center. Paper is to be dried prior to test. B. Polystyrene. Combustible is to be 2 ounces of typical foam polystyrene type packing material, with no flame inhibitor, each piece [1] / 4 to [3] / 8 inch (6 mm to 9 mm) diameter, 3 to 10 inches (76 mm to 254 mm) long placed in the same type of receptacle as used for test A. Alternate shape of combustible is cylindrical, [ 3] / 4 inch (19 mm) diameter by [1] / 2 inch (13 mm) high having a [3] / 8 -inch (9 mm) diameter hole. The combustible is to be ignited at the bottom center. C. **Gasoline.
  • CRSC § 12-7 Medium relevance — show source text

    C. Time of test.

    1. Record air movement across unexposed face of test specimen.
    2. Report relative humidity in specimen.

    (f) Description of test.

    1. Except as provided in Section 12-7-102 (d), report temperatures at beginning and every 5 minutes. If charts are included in report, clearly indicate time and Fahrenheit temperature: A. In furnace space. B. On unexposed face for each thermocouple. C. On protected framing members as stipulated in test method. In combustible assemblies indicate temperatures on framing back of protection, soffit of joists or other framing members. D. On request of the enforcement agency, furnish the temperatures in the plenum at mid-depth of ceiling-floor assemblies and underside of floor.

    2. Report deflections every 5 minutes for first 15 minutes and last hour of test. Every 10 minutes in between.

    3. Report appearance of exposed face:

    A. Every 15 minutes; B. At any noticeable development, give details and time, i.e., cracks, buckling, twisting, expansion of supports, flaming, smoke, loss of material, etc.; and

    C. At end of test include amount of drop out, condition of fasteners, sag, etc. 4. Report appearance of the unexposed face:

    A. Every 15 minutes; B. At any noticeable development including cracking, smoking, buckling, giving details and time; and

    C. At end of test.

    1. Report time of failure by:

    A. Temperature rise; B. Failure to carry load; and C. Passage of flame-heat-smoke. 6. If hose stream is required, repeat necessary parts of Items 3 and 5. If failure occurs in hose stream test, describe.

    (g) Comments by testing engineer.

    1. Included shall be a statement concerning construction being representative of field construction. If construction does not represent typical field construction, all deviations shall be noted.

    2. If construction is unsymmetrical, clearly indicate face exposed to fire.

    3. Fire test.

    (h) Summary of results. Shall include:

    1. Endurance time.

    2. Nature of failure.

    20 2025 CALIFORNIA REFERENCED STANDARDS CODE

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

    FIRE-RESISTIVE STANDARDS

    1. Hose stream results.

    (i) Pictures. Pictures shall be provided as necessary to clarify and show what cannot be covered in the report. Pictures shall include:

    1. Assembly in construction with closeups of details supplementing the report.
    2. Exposed face prior to test.
    3. Unexposed face at start of endurance test.
    4. Unexposed face at end of fire endurance test.
    5. Exposed face at end of fire endurance test.
    6. If hose stream test is required, repeat Items 1 through 5.
  • CRSC § 0.375 Medium relevance — show source text

    60**| |||TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)|TUBE SIZE (inch)| |NOMINAL:|K & L:|1⁄4|3⁄8|1⁄2|5⁄8|3⁄4|1|11⁄4|11⁄2|2| |NOMINAL:|ACR:|3⁄8|1⁄2|5⁄8|3⁄4|7⁄8|11⁄8|13⁄8|–|–| |OUTSIDE:|OUTSIDE:|0.375|0.500|0.625|0.750|0.875|1.125|1.375|1.625|2.125| |INSIDE:1|INSIDE:1|0.305|0.402|0.527|0.652|0.745|0.995|1.245|1.481|1.959| |LENGTH (feet)|LENGTH (feet)|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR|CAPACITY IN CUBIC FEET OF GAS PER HOUR| |10
    20
    30
    40
    50|10
    20
    30
    40
    50|245
    169
    135
    116
    103|506
    348
    279
    239
    212|1030
    708
    568
    486
    431|1800
    1240
    993
    850
    754|2550
    1760
    1410
    1210
    1070|5450
    3750
    3010
    2580
    2280|9820
    6750
    5420
    4640
    4110|15 500
    10 600
    8550
    7310
    6480|32 200
    22 200
    17 800
    15 200
    13

  • CRSC § 10-9 Medium relevance — show source text

    fir-larch|#2|10-9|14-2|18-0|20-11|10-8|13-6|16-5|19-1| |12|Douglas fir-larch|#3|8-11|11-3|13-9|16-0|8-1|10-3|12-7|14-7| |12|Hem-fir|SS|10-9|14-2|18-0|21-11|10-9|14-2|18-0|21-11| |12|Hem-fir|#1|10-6|13-10|17-8|21-6|10-6|13-10|17-1|19-10| |12|Hem-fir|#2|10-0|13-2|16-10|20-4|10-0|13-1|16-0|18-6| |12|Hem-fir|#3|8-8|11-0|13-5|15-7|7-11|10-0|12-3|14-3| |12|Southern pine|SS|11-2|14-8|18-9|22-10|11-2|14-8|18-9|22-10| |12|Southern pine|#1|10-9|14-2|18-0|21-11|10-9|14-2|16-11|20-1| |12|Southern pine|#2|10-3|13-6|16-2|19-1|9-10|12-6|14-9|17-5| |12|Southern pine|#3|8-2|10-3|12-6|14-9|7-5|9-5|11-5|13-6| |12|Spruce-pine-fir|SS|10-6|13-10|17-8|21-6|10-6|13-10|17-8|21-6| |12|Spruce-pine-fir|#1|10-3|13-6|17-3|20-7|10-3|13-3|16-3|18-10| |12|Spruce-pine-fir|#2|10-3|13-6|17-3|20-7|10-3|13-3|16-3|18-10| |12|Spruce-pine-fir|#3|8-8|11-0|13-5|15-7|7-11|10-0|12-3|14-3| |16|Douglas fir-larch|SS|10-4|13-7|17-4|21-1|10-4|13-7|17-4|21-1| |16|Douglas fir-larch|#1|9-11|13-1|16-5|19-1|9-8|12-4|15-0|17-5| |16|Douglas fir-larch|#2|9-9|12-9|15-7|18-1|9-3|11-8|14-3|16-6| |16|Douglas

  • CRSC § 12-7105 Medium relevance — show source text

    Note: Cotton waste shall be conditioned by drying in an oven at a temperature of 120°F (49°C) for a period of not less than 1 hour prior to the test. 2. The wall or partition shall have sustained the applied load during the fire and hose stream test as specified in Section 12-7105, without passage of flame, of gases hot enough to ignite cotton waste, or passage of the hose stream, and after cooling but within 72 hours after its completion shall sustain the dead lead of the test construction plus twice the superimposed load specified above. 3. Transmission of heat through the wall or partition during the fire endurance test shall not have been such as to raise the temperature on its unexposed surface more than 250°F (139°C) above its initial temperature. 4. Deflection of the wall or partition during the fire endurance test shall not exceed 6 inches (152 mm). The deflection of specimens varying from the dimensions given in Section 12-7-106 (a) shall be determined proportionately.

    TESTS OF NONBEARING WALLS AND PARTITIONS

    Sec. 12-7-107.

    (a) Size of sample. The area exposed to fire shall be not less than 100 square feet (9.3 m [2] ), with neither dimension less than 9 feet (2743 mm). The test specimen shall be restrained on all four edges. The fire testing furnace, its arrangement and control during fire tests shall conform to SFM 12-7-3, Section 12-7-301 (a), Vertical Large-scale Wall Furnace.

    (b) Conditions of acceptance. The test shall be regarded as successful if the following conditions are met:

    1. The wall or partition shall have withstood the fire endurance test without passage of flame or gases hot enough to ignite conditioned cotton waste, for a period equal to that for which classification is desired.

    Note: Cotton waste shall be conditioned by drying in an oven at a temperature of 120°F (49°C) for a period of not less than 1 hour prior to the test. 2. The wall or partition shall have withstood the fire and hose stream test as specified in Section 12-7-105 without passage of flame, of gases hot enough to ignite cotton waste, or passage of the hose stream. 3. Transmission of heat through the wall or partition during the fire endurance test shall not have been such as to raise the temperature on its unexposed surface more than 250°F (139°C) above its initial temperature. 4. Deflection of the wall or partition during the fire endurance test shall not exceed 6 inches (152 mm). The deflection of specimens varying from the dimensions given in Section 12-7-107 (a) shall be determined proportionately.

    TEST OF COLUMNS

    Sec. 12-7-108.

    (a) Size of sample. The length of the column exposed to fire shall, when practicable, approximate the maximum clear length contemplated by the design, and for building columns shall be not less than 9 feet (2743 mm). The contemplated details of connections and their protection, if any, shall be applied according to the methods of acceptable field practice.

    (b) Loading.

    1. During the fire endurance test, the column shall be exposed to fire on all sides and shall be loaded in a manner calculated to develop theoretically, as nearly as practicable, the working stresses contemplated by the design. Provision shall be made for transmitting the load to the exposed portion of the column without unduly increasing the effective column length.

    2025 CALIFORNIA REFERENCED STANDARDS CODE 15

Frequently asked questions

What must I measure after conditioning or abuse?

Measure unlatching and opening forces per the Manual Actuation Test and compare to the thresholds in § 12-3-8.2 or § 12-3-8.3; the assembly must not exceed those values.

Can I reuse the same sample for multiple environmental exposures?

Yes — § 12-3-10.1 allows the same sample or different samples to be used for each exposure condition. Document which approach you used.

How long and at what temperature do I condition for the high‑temperature test?

Condition at 120°F (49°C) for 24 hours as specified in § 12-3-10.2.

What exactly is the abuse impact specification?

Six impacts of 5 ft‑lb (6.8 N·m) each using a 2‑inch (51 mm) steel ball on portions of the release system likely to affect operation, per § 12-3-11.2.

Do I need to open the security bars fully during the endurance cycles?

No. § 12-3-9.2 states it is only necessary to unlatch, disengage and reset the system — full opening of the security bars is not required during cycling.

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