| 2022-06-16 11:58:59 | FIRE COMMENT: |
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| | PER NFPA 90A |
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| | 6.4 SMOKE DETECTION FOR AUTOMATIC CONTROL |
| | |
| | 6.4.2 LOCATION |
| | |
| | 6.4.2.1 SMOKE DETECTORS LISTED FOR USE IN AIR |
| | DISTRIBUTION SYSTEMS SHALL BE LOCATED AS FOLLOWS: |
| | |
| | (1) DOWNSTREAM OF THE AIR FILTERS AND AHEAD OF ANY |
| | BRANCH CONNECTIONS IN AIR SUPPLY SYSTEMS HAVING A |
| | CAPACITY OF GREATER THAT 944 L/SEC(2000FT3/MIN.) |
| | (2) AT EACH STORY PRIOR TO THE CONNECTION TO A COMMON |
| | RETURN AND PRIOR TO ANY RECIRCULATION OF FRESH AIR |
| | INLET CONNECTION IN AIR RETURN SYSTEMS HAVE A CAPACITY |
| | GREATER THAN 7080L/SEC(15.000FT3/MIN) AND SERVING MORE |
| | THAN ONE STORY. |
| | |
| | 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. |
| | |
| | 6.4.4 INSTALLATION |
| | |
| | 6.4.4.1 SMOKE DETECTORS SHALL BE INSTALLED, TESTED, AND |
| | MAINTAINED IN ACCORDANCE WITH NFPA 72. |
| | |
| | 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. |
| | |
| | PER NFPA 72, 2016 ED |
| | |
| | CHAPTER 21 EMERGENCY CONTROL FUNCTION INTERFACES |
| | 21.7 HEATING, VENTILATING AND AIR-CONDITIONING (HVAC) |
| | SYSTEMS. |
| | 21.7.1 THE PROVISIONS OF SECTION SHALL APPLY TO THE |
| | BASIC METHOD BY WHICH A FIRE ALARM SYSTEM INTERFACES |
| | WITH THE HEATING, VENTILATING, AND AIR-CONDITIONING |
| | (HVAC) SYSTEM |
| | 21.7.4 SMOKE DETECTORS MOUNTED IN THE AIR DUCTS OF HVAC |
| | SYSTEMS SHALL INITIATE A SUPERVISORY SIGNAL |
| | |
| | PETER LEDUC |
| | FIRE MARSHAL |
| | 561-804-4709 |
| | [email protected] |
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