Date |
Text |
2019-10-01 15:15:55 | THIS PLAN WAS REVIEWED AND FAILED BY PETER LEDUC, FIRE |
| MARSHAL, WITH THE FOLLOWING COMMENTS: |
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| 1) THERE ARE NO HYDRAULIC CALCULATIONS PROVIDED. |
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| PLEASE PROVIDE. |
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| 2) NFPA 13 PROVIDES THE FOLLOWING: |
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| 22.17 HEALTH CARE FACILITIES CODE, HYPERBARIC CHAMBERS. |
| 22.17.1 DESIGN REQUIREMENTS. |
| 22.17.1.1 A FIXED WATER DELUGE EXTINGUISHING SYSTEM |
| SHALL BE |
| INSTALLED IN ALL CHAMBER COMPARTMENTS THAT ARE DESIGNED |
| FOR |
| MANNED OPERATIONS. |
| 22.17.1.2 IN CHAMBERS THAT CONSIST OF MORE THAN ONE |
| CHAMBER |
| COMPARTMENT (LOCK), THE DESIGN OF THE DELUGE SYSTEM |
| SHALL |
| MEET THE REQUIREMENTS OF 22.17.1.1 WHEN THE CHAMBER |
| COMPARTMENTS |
| ARE AT DIFFERENT DEPTHS (PRESSURES). |
| 22.17.1.3 THE DELUGE SYSTEM IN DIFFERENT COMPARTMENTS |
| (LOCKS) |
| SHALL OPERATE INDEPENDENTLY OR SIMULTANEOUSLY. |
| 22.17.1.4 FIXED DELUGE SYSTEMS SHALL NOT BE REQUIRED IN |
| CHAMBER |
| COMPARTMENTS THAT ARE USED STRICTLY AS PERSONNEL |
| TRANSFER |
| COMPARTMENTS (LOCKS) AND FOR NO OTHER PURPOSES. |
| 22.17.1.5* MANUAL ACTIVATION AND DEACTIVATION DELUGE |
| CONTROLS |
| SHALL BE LOCATED AT THE OPERATOR?S CONSOLE AND IN EACH |
| CHAMBER |
| COMPARTMENT (LOCK) CONTAINING A DELUGE SYSTEM. |
| 22.17.1.6 CONTROLS SHALL BE DESIGNED TO PREVENT |
| UNINTENDED |
| ACTIVATION. |
| 22.17.1.7 WATER SHALL BE DELIVERED FROM THE FIXED |
| DISCHARGE |
| NOZZLES AS SPECIFIED IN 22.17.1.9 WITHIN 3 SECONDS OF |
| ACTIVATION |
| OF ANY AFFILIATED DELUGE CONTROL. |
| 22.17.1.8* AVERAGE SPRAY DENSITY AT FLOOR LEVEL SHALL |
| BE NOT LESS |
| THAN 2 GPM/FT2 (81.5 L/MIN/M2), WITH NO FLOOR AREA |
| LARGER THAN |
| 10.76 FT2 (1M2) RECEIVING LESS THAN 1 GPM/FT2 (40.75 |
| L/MIN/M2). |
| 22.17.1.9 WATER SHALL BE AVAILABLE IN THE DELUGE SYSTEM |
| TO |
| MAINTAIN THE FLOW SPECIFIED IN 22.17.1.8 SIMULTANEOUSLY |
| IN |
| EACH CHAMBER COMPARTMENT (LOCK) CONTAINING THE DELUGE |
| SYSTEM |
| FOR 1 MINUTE. |
| 22.17.1.10 THE LIMIT ON MAXIMUM EXTINGUISHMENT DURATION |
| SHALL BE GOVERNED BY THE CHAMBER CAPACITY (BILGE |
| CAPACITY ALSO, IF |
| SO EQUIPPED) OR ITS DRAINAGE SYSTEM, OR BOTH. |
| 22.17.1.11 THE DELUGE SYSTEM SHALL HAVE STORED PRESSURE |
| TO |
| OPERATE FOR AT LEAST 15 SECONDS WITHOUT ELECTRICAL |
| BRANCH |
| POWER. |
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| PLEASE CORRECT OR PROVIDE DETAILED JUSTIFICATION |
| MEETING COMPLIANCE. |
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| 3) ADDITIONAL COMMENTS MAY BE PROVIDED ON THE |
| RE-SUBMITTAL OF THE ABOVE. |
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| PETER LEDUC |
| FIRE MARSHAL |
| 561-804-4709 |
| [email protected] |
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