Date |
Text |
2017-06-08 17:34:31 | PLAN |
| REVIEW COMMENTS |
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| 2ND REVIEW: FBC FIFTH EDITION (2014) |
| ROBERT MCDOUGAL, CBO |
| COMMERCIAL COMBINATION PLANS EXAMINER |
| (561) 805-6714 |
| [email protected] |
| |
| DENIED BY BUILDING |
| PLEASE ADDRESS THE ITEMS NOTED BELOW: |
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| 1) PROVIDE AREA TABULATIONS FOR THE CONDITION SPACES |
| AND THE UN-CONDITIONED SPACES. THE PLANS DIFFER FROM MY |
| CALCULATIONS. I HAVE DETERMINED THE AREA OF CONDITIONED |
| SPACE AS 1813 SQFT AND THE AREA OF THE UN-CONDITIONED |
| SPACE (COVERED PORCHES AND ENTRY) AS 317 SQFT. FBC |
| 107.2.1 |
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| 2) (PREVIOUS COMMENT.) SHOW COMPLIANCE WITH FBC-R318.5 |
| CONDENSATE LINES, IRRIGATION/SPRINKLER SYSTEM RISERS |
| FOR SPRAY HEADS, AND ROOF DOWNSPOUTS SHALL DISCHARGE AT |
| LEAST 1 FOOT (305 MM) AWAY FROM THE STRUCTURE SIDEWALL, |
| WHETHER BY UNDERGROUND PIPING, TAIL EXTENSIONS OR |
| SPLASH BLOCKS. GUTTERS WITH DOWNSPOUTS ARE REQUIRED ON |
| ALL BUILDINGS WITH EAVES OF LESS THAN 6 INCHES (152 MM) |
| HORIZONTAL PROJECTION EXCEPT FOR GABLE END RAKES OR ON |
| A ROOF ABOVE ANOTHER ROOF. THE RESPOSE WAS TO PROJECT |
| THE SCUPPERS 6" PAST THE EXTERIOR WALL. THIS IS NOT AN |
| ACCEPTABLE ALTERNATIVE. UNLIKE A SIX INCH ROOF EAVE |
| WHICH WILL DISTRIBUTE THE RAIN WATER RUN OFF FROM THE |
| ROOF, THE RAIN WATER WILL BE FUNNELED TO THE SCUPPERS |
| AND THE CONCENTRATED DISCHARGE WILL ERODE THE SOIL. THE |
| PRIMARY SCUPPERS WILL NEED TO HAVE CONDUCTOR HEADS AND |
| DOWN SPOUTS. |
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| 3) (PREVIOUS COMMENT.) PROVIDE STRUCTURAL DETAILS FOR |
| THE LEDGERS THAT ARE SUPPORTING THE ROOF TRUSSES. FBC-R |
| 301.1 |
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| 4) (PREVIOUS COMMENT.) PROVIDE THE ROOF UPLIFT VALUES |
| FOR A 10 SQFT EFFECTIVE WIND AREA. THE ROOF DESIGN |
| PRESSURES IN THE TABLE ON SHEET S-3 ARE INCORRECT. THE |
| DESIGN PRESSURES FOR THE FLAT ROOF WITH A 132 MPH VASD |
| WINDSPEED, A 15' OR LESS MEAN ROOF HEIGHT AND EXPOSURE |
| C SHOULD BE AS FOLLOWS: +15.4, -37.9 PSF FOR ROOF ZONE |
| 1, +15.4, -63.6 PSF FOR ROOF ZONE 2 AND +15.4, -95.7 |
| PSF FOR ROOF ZONE 3. FBC-R301.2.1 |
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| 5) (PREVIOUS COMMENT.) PROVIDE SCUPPER SIZING |
| CALCULATIONS. FBC 107.2.1 & FBC- PLUMBING 1106.7 SHOW |
| ALL CALCULATIONS ON THE PLANS. INCLUDE THE ROOF AREAS |
| OF THE ENTRY TOWER THAT DRAIN ONTO THE LOWER ROOF AND |
| ONE HALF THE AREA OF THE WALLS OF THE WALLS OF THE |
| TOWER THAT ARE ADJACENT TO THE LOWER ROOF. |
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| 6) PROVIDE DETAILS OF THE ENCLOSED SCUPPERS WITH |
| DIMENSIONS. THE PRIMARY DRAIN SCUPPERS ARE REQUIRED TO |
| BE LOCATED LEVEL WITH THE LOWEST PORTION OF THE ROOF. |
| FBC 107.2.1 |
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| 7) (PREVIOUS COMMENT.) R903.4.1 OVERFLOW DRAINS AND |
| SCUPPERS. WHEN OTHER MEANS OF DRAINAGE OF OVERFLOW |
| WATER IS NOT PROVIDED, OVERFLOW SCUPPERS SHALL BE |
| PLACED IN WALLS OR PARAPETS NOT LESS THAN 2 INCHES (51 |
| MM) NOR MORE THAN 4 INCHES (102 MM) ABOVE THE FINISHED |
| ROOF COVERING AND SHALL BE LOCATED AS CLOSE AS |
| PRACTICAL TO REQUIRED VERTICAL LEADERS OR DOWNSPOUTS OR |
| WALL AND PARAPET SCUPPERS. AN OVERFLOW SCUPPER SHALL BE |
| SIZED IN ACCORDANCE WITH THE FLORIDA BUILDING CODE, |
| PLUMBING. SECONDARY (EMERGENCY) ROOF DRAINS SHALL ALSO |
| COMPLY WITH FBC PLUMBING SECTION 1108.3 SIZING OF |
| SECONDARY DRAINS. SECONDARY (EMERGENCY) ROOF DRAIN |
| SYSTEMS SHALL BE SIZED IN ACCORDANCE WITH SECTION 1106 |
| BASED ON THE RAINFALL RATE FOR WHICH THE PRIMARY SYSTEM |
| IS SIZED IN TABLES 1106.2(1), 1106.2(2), 1106.3 AND |
| 1106.6. SCUPPERS SHALL BE SIZED TO PREVENT THE DEPTH OF |
| PONDING WATER FROM EXCEEDING THAT FOR WHICH THE ROOF |
| WAS DESIGNED AS DETERMINED BY SECTION 1101.7. SCUPPERS |
| SHALL HAVE AN OPENING DIMENSION OF NOT LESS THAN 4 |
| INCHES (102 MM). THE FLOW THROUGH THE PRIMARY SYSTEM |
| SHALL NOT BE CONSIDERED WHEN SIZING THE SECONDARY ROOF |
| DRAIN SYSTEM. |
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| 8) IN ORDER TO REDUCE PLAN REVIEW TIME, PLEASE SUBMIT A |
| RESPONSE LETTER INDICATING HOW EACH OF THE REVIEW |
| COMMENTS HAS BEEN ADDRESSED. |
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