Date |
Text |
2020-10-26 14:33:09 | FIRE PROVISO COMMENTS |
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| 1) PULL STATIONS ARE INDICATED AT EACH EXIT (3). PER |
| NFPA 101 CH 12 AND CH 9 PULL STATIONS ARE NOT REQUIRED. |
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| IN AN EFFORT TO REDUCE FALSE FIRE ALARMS THESE PULL |
| STATIONS CAN BE REMOVED. |
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| 12.3.4.2 INITIATION. |
| 12.3.4.2.1 INITIATION OF THE REQUIRED FIRE ALARM SYSTEM |
| SHALL BE BY |
| BOTH OF THE FOLLOWING MEANS: |
| (1) MANUAL MEANS IN ACCORDANCE WITH 9.6.2.1(1), UNLESS |
| OTHERWISE |
| PERMITTED BY ONE OF THE FOLLOWING: |
| (A) THE REQUIREMENT OF 12.3.4.2.1(1) SHALL NOT APPLY |
| WHERE |
| INITIATION IS BY MEANS OF AN APPROVED AUTOMATIC FIRE |
| DETECTION SYSTEM IN ACCORDANCE WITH 9.6.2.1(2) THAT |
| PROVIDES FIRE DETECTION THROUGHOUT THE BUILDING. |
| (B) THE REQUIREMENT OF 12.3.4.2.1(1) SHALL NOT APPLY |
| WHERE |
| INITIATION IS BY MEANS OF AN APPROVED AUTOMATIC |
| SPRINKLER SYSTEM IN ACCORDANCE WITH 9.6.2.1(3) THAT |
| PROVIDES FIRE DETECTION AND PROTECTION THROUGHOUT THE |
| BUILDING. |
| (2) WHERE AUTOMATIC SPRINKLERS ARE PROVIDED, INITIATION |
| OF THE |
| FIRE ALARM SYSTEM BY SPRINKLER SYSTEM WATERFLOW, EVEN |
| WHERE |
| MANUAL FIRE ALARM BOXES ARE PROVIDED IN ACCORDANCE WITH |
| 12.3.4.2.1(1) |
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| 2) DUCT DETECTORS ARE INDICATED. |
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| 1) THERE ARE INDICATIONS THAT A DUCT DETECTOR WILL |
| CAUSE A FULL FIRE ALARM ACTIVATION. NFPA PROVIDES CODE |
| REFERENCES FOR SUPERVISORY SIGNAL ACTIVATION. |
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| PER NFPA 90A, 2015 ED. |
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| 6.4.3* FUNCTION. |
| 6.4.3.1 SMOKE DETECTORS PROVIDED AS REQUIRED BY 6.4.2 |
| SHALL AUTOMATICALLY STOP THEIR RESPECTIVE FAN(S) ON |
| DETECTING THE PRESENCE OF SMOKE. |
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| 6.4.4.2 IN ADDITION TO THE REQUIREMENTS OF 6.4.3, WHERE |
| AN APPROVED FIRE ALARM SYSTEM IS INSTALLED IN A |
| BUILDING, THE SMOKE DETECTORS REQUIRED BY THE |
| PROVISIONS OF SECTION 6.4 SHALL BE CONNECTED TO THE |
| FIRE ALARM SYSTEM IN ACCORDANCE WITH THE REQUIREMENTS |
| OF NFPA 72, NATIONAL FIRE ALARM AND SIGNALING |
| CODE. |
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| 6.4.4.2.1 SMOKE DETECTORS USED SOLELY FOR CLOSING |
| DAMPERS OR FOR HEATING, VENTILATING, AND |
| AIR-CONDITIONING SYSTEM SHUTDOWN SHALL NOT BE REQUIRED |
| TO ACTIVATE THE BUILDING EVACUATION ALARM. |
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| 6.4.4.3 WHERE SMOKE DETECTORS REQUIRED BY SECTION 6.4 |
| ARE INSTALLED IN A BUILDING NOT EQUIPPED WITH AN |
| APPROVED FIRE ALARM SYSTEM AS SPECIFIED BY 6.4.4.2, THE |
| FOLLOWING SHALL OCCUR: |
| (1) SMOKE DETECTOR ACTIVATION REQUIRED BY SECTION 6.4 |
| SHALL CAUSE A VISUAL SIGNAL AND AN AUDIBLE SIGNAL IN A |
| NORMALLY OCCUPIED AREA. |
| (2) SMOKE DETECTOR TROUBLE CONDITIONS SHALL BE |
| INDICATED VISUALLY OR AUDIBLY IN A NORMALLY OCCUPIED |
| AREA AND SHALL BE IDENTIFIED AS AIR DUCT DETECTOR |
| TROUBLE. |
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| PER NFPA 72, 2013 ED |
| 23.8.5.4.6 SIGNAL INITIATION ? DUCT SMOKE DETECTORS. |
| 23.8.5.4.6.1 WHERE DUCT SMOKE DETECTORS ARE REQUIRED TO |
| BE MONITORED AND A BUILDING FIRE ALARM SYSTEM IS |
| INSTALLED, A DUCT DETECTOR ACTIVATION SIGNAL SHALL MEET |
| THE REQUIREMENTS OF 21.7.4. |
| 21.7.4 SMOKE DETECTORS MOUNTED IN THE AIR DUCTS OF HVAC |
| SYSTEMS SHALL INITIATE A SUPERVISORY SIGNAL. |
| 21.7.4.1 SMOKE DETECTORS MOUNTED IN THE AIR DUCTS OF |
| HVAC SYSTEMS IN A FIRE ALARM SYSTEM WITHOUT A |
| CONSTANTLY ATTENDED LOCATION OR SUPERVISING STATION |
| SHALL BE PERMITTED TO INITIATE AN ALARM SIGNAL. |
| 21.7.4.2 SMOKE DETECTORS MOUNTED IN THE AIR DUCTS OF |
| HVAC SYSTEMS SHALL BE PERMITTED TO INITIATE AN ALARM |
| SIGNAL WHERE REQUIRED BY OTHER GOVERNING LAWS, CODES, |
| OR STANDARDS. |
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| PLEASE PROGRAM ACCORDINGLY FOR SUPERVISORY ACTIVATION. |
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| PETER LEDUC |
| FIRE MARSHAL |
| 561-804-4709 |
| [email protected] |
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