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2015-08-12 12:51:18 | 777 SOUTH FLAGLER DRIVE - 11TH/12TH FLOOR |
| PERMIT #15061278 |
| REFER TO THE FOLLOWING PERMITS TO FULLY UNDERSTAND THE |
| DESIGN: |
| PERMIT #15061278 (11TH - 12TH FLOORS) |
| PERMIT #15071149 (12TH, 14TH, 15TH FLOORS; NOTE NO 13TH |
| FLOOR) |
| MASTER #14060196 |
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| REVIEW COMMENTS - FIRE DEPARTMENT |
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| THE CIRCULAR MONUMENTAL STAIR HAS BEEN REDESIGNED TO |
| SERVE THREE FLOORS (11TH, 12TH & 14TH FLOOR - NO 13TH |
| FLOOR); THEREFORE, THE OPEN STAIR DESIGN WILL NEED TO |
| COMPLY WITH NFPA 101 SECTION 8.6 "VERTICAL OPENINGS" AS |
| AN "ATRIUM" (SECTION 8.6.7). NOTE: THE OPEN STAIR WAS |
| PREVIOUSLY DESIGNED AND PERMITTED AS A 2-STORY |
| "CONVENIENCE OPENING." |
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| SECTION 8.6.7 |
| (1) THE ATRIUM IS SEPARATED FROM THE ADJACENT SPACES BY |
| FIRE BARRIERS WITH NOT LESS THAN A 1-HOUR FIRE |
| RESISTANCE RATING, WITH OPENING PROTECTIVES FOR |
| CORRIDOR WALLS, UNLESS ONE OF THE FOLLOWING IS MET: |
| (A) THE REQUIREMENT OF 8.6.7(1) SHALL NOT APPLY TO |
| EXISTING, PREVIOUSLY APPROVED ATRIUMS. |
| (B) ANY NUMBER OF LEVELS OF THE BUILDING SHALL BE |
| PERMITTED TO OPEN DIRECTLY TO THE ATRIUM WITHOUT |
| ENCLOSURE, BASED ON THE RESULTS OF THE ENGINEERING |
| ANALYSIS REQUIRED IN 8.6.7(5). |
| (C) GLASS WALLS AND INOPERABLE WINDOWS SHALL BE |
| PERMITTED IN LIEU OF THE FIRE BARRIERS WHERE ALL THE |
| FOLLOWING ARE MET: |
| I. AUTOMATIC SPRINKLERS ARE SPACED ALONG BOTH SIDES OF |
| THE GLASS WALL AND THE INOPERABLE WINDOWS AT INTERVALS |
| NOT TO EXCEED 6 FT (1830 MM). |
| II. THE AUTOMATIC SPRINKLERS SPECIFIED IN |
| 8.6.7(1)(C)(I) ARE LOCATED AT A DISTANCE FROM THE GLASS |
| WALL NOT TO EXCEED 12 IN. (305 MM) AND ARRANGED SO THAT |
| THE ENTIRE SURFACE OF THE GLASS IS WET UPON OPERATION |
| OF THE SPRINKLERS. |
| III. THE GLASS WALL IS OF TEMPERED, WIRED, OR LAMINATED |
| GLASS HELD IN PLACE BY A GASKET SYSTEM THAT ALLOWS THE |
| GLASS FRAMING SYSTEM TO DEFLECT WITHOUT BREAKING |
| (LOADING) THE GLASS BEFORE THE SPRINKLERS OPERATE. |
| IV. THE AUTOMATIC SPRINKLERS REQUIRED BY 8.6.7(1)(C)(I) |
| ARE NOT REQUIRED ON THE ATRIUM SIDE OF THE GLASS WALL |
| AND THE INOPERABLE WINDOW WHERE THERE IS NO WALKWAY OR |
| OTHER FLOOR AREA ON THE ATRIUM SIDE ABOVE THE MAIN |
| FLOOR LEVEL. |
| V. DOORS IN THE GLASS WALLS ARE OF GLASS OR OTHER |
| MATERIAL THAT RESISTS THE PASSAGE OF SMOKE. |
| VI. DOORS IN THE GLASS WALLS ARE SELF-CLOSING OR |
| AUTOMATIC-CLOSING UPON DETECTION OF SMOKE. |
| VII. THE GLASS IS CONTINUOUS VERTICALLY, WITHOUT |
| HORIZONTAL MULLIONS, WINDOW TREATMENTS, OR OTHER |
| OBSTRUCTIONS THAT WOULD INTERFERE WITH THE WETTING OF |
| THE ENTIRE GLASS SURFACE. |
| (2) ACCESS TO EXITS IS PERMITTED TO BE WITHIN THE |
| ATRIUM, AND EXIT DISCHARGE IN ACCORDANCE WITH 7.7.2 IS |
| PERMITTED TO BE WITHIN THE ATRIUM. |
| (3) THE OCCUPANCY WITHIN THE ATRIUM MEETS THE |
| SPECIFICATIONS FOR CLASSIFICATION AS LOW OR ORDINARY |
| HAZARD CONTENTS. (SEE 6.2.2.) |
| (4) THE ENTIRE BUILDING IS PROTECTED THROUGHOUT BY AN |
| APPROVED, SUPERVISED AUTOMATIC SPRINKLER SYSTEM IN |
| ACCORDANCE WITH SECTION 9.7. |
| (5) AN ENGINEERING ANALYSIS IS PERFORMED THAT |
| DEMONSTRATES THAT THE BUILDING IS DESIGNED TO KEEP THE |
| SMOKE LAYER INTERFACE ABOVE THE HIGHEST UNPROTECTED |
| OPENING TO ADJOINING SPACES, OR 6 FT (1830 MM) ABOVE |
| THE HIGHEST FLOOR LEVEL OF EXIT ACCESS OPEN TO THE |
| ATRIUM, FOR A PERIOD EQUAL TO 1.5 TIMES THE CALCULATED |
| EGRESS TIME OR 20 MINUTES, WHICHEVER IS GREATER. |
| (6) WHERE AN ENGINEERED SMOKE CONTROL SYSTEM IS |
| INSTALLED TO MEET THE REQUIREMENTS OF 8.6.7(5), THE |
| SYSTEM IS INDEPENDENTLY ACTIVATED BY EACH OF THE |
| FOLLOWING: |
| (A) REQUIRED AUTOMATIC SPRINKLER SYSTEM |
| (B) MANUAL CONTROLS |
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| WESLEY JOLIN |
| ASSISTANT FIRE MARSHAL |
| WEST PALM BEACH FIRE RESCUE |
| [email protected] |
| (561) 805-6730 |
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