Date |
Text |
2007-04-03 12:25:24 | BUILDING PLAN REVIEW |
| *******DENIED******* |
| ROBERT BROWN(561) 805 6652 |
| E-MAIL: [email protected] |
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| REVISION SUBMITTED 4/3/07 FOR ROLL-UP |
| SHUTTERS AND FOR METAL TRUSS DETAILS. |
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| FBC = FLORIDA BUILDING CODE 2001 |
| FBC*= FLORIDA BUILD'G CODE (CITY AMEND) |
| F.S.= FLORIDA (STATE) STATUTE |
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| REVISION DENIED |
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| 1) THE COMMENTS MADE ON 6/25/06 HAVE NOT BEEN |
| ADDRESSED.NO RATIONAL ANALYSIS WAS SUBMITTED, AS |
| REQUESTED, FOR ATTACHMENT OF SIMPSON MTSM16 AND/OR |
| MTSM20 TWIST STRAPS TO 18 GAUGE METAL TRUSSES WHEN THE |
| SIMPSON CATALOGUE ONLY GIVES CAPACITIES FOR THEIR USE |
| WITH WOOD TRUSSES.ALSO THE UPLIFT ON THE GIRDER TRUSS |
| FOR THE 14'-0" SQAURE ROOF IS STATED AS 2800 LBF.NO |
| RATIONAL ANALYSIS WAS SUBMITTED TO SHOW HOW THE SIMPSON |
| HTSM20 TWIST STRAPS, WHICH ARE DESIGNED AND SOLD FOR |
| WOOD TRUSSES, WILL RESIST THAT UPLIFT FORCE ON METAL |
| TRUSSES.THE ORIGINAL COMMENTS ARE REPEATED BELOW: |
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| FBC 1606.1METAL TRUSSES.ALL THREE |
| OF THE TRUSS DETAIL SHEETS SPECIFY THE |
| USE OF SIMPSON MTSM16 AND/OR MTSM20 |
| TWIST STRAPS TO ANCHOR THE METAL |
| TRUSSES.PER THE SIMPSON LITERATURE, |
| THESE ANCHORS ARE DESIGNED TO ANCHOR |
| WOOD TRUSSES TO CMU OR CONCRETE.THE |
| CAPACITIES GIVEN IN THE LITERATURE ARE |
| FOR WOOD TRUSSES.HOW WILL THESE STRAPS |
| BE FASTENED TO THE DOUBLE METAL STUDS |
| WHICH ARE BACK-TO-BACK?THE SIMPSON |
| CATALOG SPECIFIES 8-10D (FOR MTSM16) OR |
| 10-10D (FOR MTSM20) INTO WOOD TRUSSES. |
| WHAT IS THE PROPOSED MEANS OF FASTENING |
| THE TWIST STRAPS TO THE 18 GAUGE METAL |
| TRUSSES?RATIONAL ANALYSIS WILL BE |
| REQUIRED TO JUSTIFY THE UPLIFT |
| RESISTANCE OF THE TWIST STRAP-TO-TRUSS CONNECTION. |
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| 2) THE ENGINEER OF RECORD FOR THIS BUILDING IS ANDREW |
| MORGAN, P.E.THE TRUSS DESIGN SUBMITTED IS BY RIZA |
| ALTAN, P.E. AND MUST RECEIVE A SHOP DRAWING REVIEW AND |
| STAMP BY THE DESIGNER OF RECORD BEFORE SUBMITTAL TO |
| CONSTRUCTION SERVICES DEPARTMENT FOR PLAN REVIEW. |
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| **QUOTE PERMIT# ON ALL CORRESPONDENCE** |
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| END OF REVIEW COMMENTS |
| THE CODE REFERENCES GIVE ADDITIONAL INFO TELEPHONE: |
| (561) 805 6652ROBERT BROWN |
| E-MAIL: [email protected] |