Date |
Text |
2017-04-28 13:28:18 | THIS PLAN WAS REVIEWED AND FAILED BY PETER LEDUC, FIRE |
| MARSHAL, WITH THE FOLLOWING COMMENTS: |
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| 1) SHEET M2 - A/C DUCT PENETRATION ARE INDICATED IN THE |
| STAIRWELLS. |
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| 7.2.2.5 ENCLOSURE AND PROTECTION OF STAIRS. |
| 7.2.2.5.1 ENCLOSURES. |
| 7.2.2.5.1.1 ALL INSIDE STAIRS SERVING AS AN EXIT OR |
| EXIT COMPONENT SHALL BE ENCLOSED IN ACCORDANCE WITH |
| 7.1.3.2. |
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| 7.1.3.2 EXITS. |
| 7.1.3.2.1 WHERE THIS CODE REQUIRES AN EXIT TO BE |
| SEPARATED FROM OTHER PARTS OF THE BUILDING, THE |
| SEPARATING CONSTRUCTION SHALL MEET THE REQUIREMENTS OF |
| SECTION 8.2 AND THE FOLLOWING: |
| (1)* THE SEPARATION SHALL HAVE A MINIMUM 1-HOUR FIRE |
| RESISTANCE RATING WHERE THE EXIT CONNECTS THREE OR |
| FEWER STORIES. |
| (2) THE SEPARATION SPECIFIED IN 7.1.3.2.1(1), OTHER |
| THAN AN EXISTING SEPARATION, SHALL BE SUPPORTED BY |
| CONSTRUCTION HAVING NOT LESS THAN A 1-HOUR FIRE |
| RESISTANCE RATING. |
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| (9)* OPENINGS IN EXIT ENCLOSURES SHALL BE LIMITED TO |
| DOOR ASSEMBLIES FROM NORMALLY OCCUPIED SPACES AND |
| CORRIDORS AND DOOR ASSEMBLIES FOR EGRESS FROM THE |
| ENCLOSURE, UNLESS ONE OF THE FOLLOWING CONDITIONS |
| EXISTS: |
| (A) OPENINGS IN EXIT PASSAGEWAYS IN MALL BUILDINGS AS |
| PROVIDED IN CHAPTERS 36 AND 37 SHALL BE PERMITTED. |
| (B) IN BUILDINGS OF TYPE I OR TYPE II CONSTRUCTION, AS |
| DEFINED IN NFPA 220, STANDARD ON TYPES OF BUILDING |
| CONSTRUCTION (SEE 8.2.1.2), EXISTING FIRE PROTECTION |
| ?RATED DOOR ASSEMBLIES TO INTERSTITIAL SPACES SHALL BE |
| PERMITTED, PROVIDED THAT SUCH SPACES MEET ALL OF THE |
| FOLLOWING CRITERIA: |
| I. THE SPACE IS USED SOLELY FOR DISTRIBUTION OF PIPES, |
| DUCTS, AND CONDUITS. |
| II. THE SPACE CONTAINS NO STORAGE. |
| III. THE SPACE IS SEPARATED FROM THE EXIT ENCLOSURE IN |
| ACCORDANCE WITH SECTION 8.3. |
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| (10) PENETRATIONS INTO, AND OPENINGS THROUGH, AN EXIT |
| ENCLOSURE ASSEMBLY SHALL BE LIMITED TO THE FOLLOWING: |
| (A) DOOR ASSEMBLIES PERMITTED BY 7.1.3.2.1(9) |
| (B)* ELECTRICAL CONDUIT SERVING THE EXIT ENCLOSURE |
| (C) REQUIRED EXIT DOOR OPENINGS |
| (D) DUCTWORK AND EQUIPMENT NECESSARY FOR INDEPENDENT |
| STAIR PRESSURIZATION |
| (E) WATER OR STEAM PIPING NECESSARY FOR THE HEATING OR |
| COOLING OF THE EXIT ENCLOSURE |
| (F) SPRINKLER PIPING |
| (G) STANDPIPES |
| (H) EXISTING PENETRATIONS PROTECTED IN ACCORDANCE WITH |
| 8.3.5 |
| (I) PENETRATIONS FOR FIRE ALARM CIRCUITS, WHERE THE |
| CIRCUITS ARE INSTALLED IN METAL CONDUIT AND THE |
| PENETRATIONS ARE PROTECTED IN ACCORDANCE WITH 8.3.5 |
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| PLEASE PROVIDE FOR THE COMPLIANCE OF THE REQUIRERMENTS |
| TO PROTECT THE EXIT STAIRWELLS. |
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| PETER LEDUC |
| FIRE MARSHAL |
| 561-804-4709 |
| [email protected] |
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