Date |
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2010-06-17 14:05:35 | ****CORRECTIONS**** |
| SAMANTHA HILL, BUILDING PLANS EXAMINER |
| 561-805-6724 [email protected] |
| FBC FLORIDA BUILDING CODE 2007 |
| FBC R FLORIDA BUILDING CODE 2007 RESIDENTIAL |
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| COMMENT FROM 10040770: |
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| 2. CALCULATIONS STATE THAT THE SF/FASTENER IS 1.02'; |
| PLEASE EXPLAIN HOW THIS NUMBER HAS BEEN DERIVED AS I |
| BELIEVE THIS SHOULD BE .88'. |
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| 2ND REVIEW, THIS HAS BEEN REVISED TO .975FT / FASTENER. |
| THANK YOU FOR YOUR RESPONSE LETTER WHICH CLARIFIES HOW |
| YOU OBTAINED THIS NUMBER. HOWEVER, PLEASE SEE RAS117 |
| SECTION 10.4.2. THIS CALCULATION REQUIRES FOR A SQUARE |
| TO BE USED IN THE CALCULATIONS TO DETERMINE SQUARE FOOT |
| / FASTENER (AND THEN FASTENER VALUE BASED ON SF PER |
| FASTENER). USING 9.75 SQUARE FEET RATHER THAN 100 |
| SQUARE FEET APPEARS TO RESULT IN AN "INCORRECT" (BASED |
| ON RAS 117 REQUIREMENTS) AREA PER FASTENER, RESULTING |
| IN A HIGHER FASTENER VALUE. |
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| 4. SEE RAS117, SPACING IS TO BE ROUNDED DOWN TO THE |
| NEAREST INCH. |
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| 2ND REVIEW, ZONE 2 OK AS FASTENING WAS ROUNDED DOWN |
| (RAS 117 REQUIREMENT 8.23, ARCHITECT CALCULATED 8.9 BUT |
| SPECIFIED 8"). |
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| ZONE 3, ARCHITECT CALCULATED 5.92 TO BE ROUNDED UP TO |
| 6", BUT RAS 117 REQUIREMENT FOR TWO FIELD ROWS IS 5.46 |
| TO BE ROUNDED DOWN TO 5", DOES NOT COMPLY WITH DESIGN |
| PRESSURE REQUIREMENT. |
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| PLEASE NOTE THAT IT IS NOT NECESSARY (AND IS CONFUSING) |
| TO SPECIFY ROW SPACING. PLEASE SEE NOAS; TO MY |
| KNOWLEDGE, NONE SPECIFY ROW SPACING AS THEY SHOULD BE |
| EVENLY SPACED. FOR INSTANCE, SEE SPECIFICATION FOR ZONE |
| 2 (3 ROWS 12" APART SPECIFIED). AS THE BASE SHEET IS |
| 39.37" WITH A 4" LAP, THE THREE ROWS SHOULD BE |
| INSTALLED AT 11.79" APART, WHICH IS A PART OF THE |
| RAS117 CALCULATION TO DETERMINE FASTENER SPACING |
| (RAS117 10.4.5). THIS INFORMATION IS NOT NECESSARY (AS |
| IT IS NOT SPECIFIED IN WRITTEN APPROVED ASSEMBLIES IN |
| THE NOAS) BUT IF INCLUDED SHOULD BE CORRECT IN ORDER TO |
| AVOID CONFUSION OR FAILED INSPECTIONS IN THE FIELD . |
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| PLEASE FEEL FREE TO CONTACT ME TO DISCUSS. AS DISCUSSED |
| WITH CONTRACTOR, THIS PERMIT WILL BE ISSUED WITH |
| PROVISO. |
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