Date |
Text |
2021-01-04 10:49:35 | PLAN |
| REVIEW COMMENTS |
| |
| 1ST REVIEW: FBC SIXTH EDITION (2017) |
| ROBERT MCDOUGAL, CBO |
| COMMERCIAL COMBINATION PLANS EXAMINER |
| (561) 805-6714 |
| [email protected] |
| |
| DENIED BY BUILDING |
| PLEASE ADDRESS THE ITEMS NOTED BELOW: |
| |
| 1) THIS HOUSE IS LOCATED ON A LARGE LAKE THAT MAKES IT |
| EXPOSURE CATEGORY D FOR WIND PRESSURES. THE REQUIRED |
| NEGATIVE (UPLIFT) PRESSURES EXCEED THE -86 PSF FOR THE |
| FASTENING SPECIFIED IN THE PRODUCT APPROVAL FOR THE |
| CORNER AREAS. FROM TABLE R301.2(2) COMPONENT AND |
| CLADDING LOADS FOR EXPOSURE BE ROOF ZONE 3 FOR 170 MPH |
| WITH A 10 SQFT TRIBUTARY AREA THE NEGATIVE PRESSURE IS |
| -73 PSF. TABLE R301.2(3) FOR HEIGHT AND EXPOSURE |
| ADJUSTMENT COEFFIENTS HAS 1.47 FOR EXPOSURE D WITH A |
| 15' MEAN ROOF HEIGHT. THEREFORE THE REQUIRED UPLIFT |
| PRESSURE IS -73 PSF TIMES 1.47 EQUALS -107.31PSF. THIS |
| EXCEEDS THE PRESSURES IN THE PRODUCT APPROVAL. FBC 301 |
| |
| 2) SUBMIT PRODUCT APPROVALS FOR THE TWO SOLAR ATTIC |
| VENTILATORS WITH ADEQUATE DESIGN PRESSURES. FBC 107.3.4 |
| - PROVIDE TWO SETS OF PRODUCT APPROVALS FOR THOSE |
| PRODUCTS WHICH ARE REGULATED BY FAC 61G20-3.001 PER |
| FLORIDA STATUTE 553.842 (5) THAT HAVE BEEN REVIEWED AND |
| APPROVED IN WRITING BY THE DESIGNER OF RECORD. PROVIDE |
| TWO COMPLETE PRODUCT APPROVALS WITH FL OR NOA NUMBERS |
| INCLUDING INSTALLATION INSTRUCTIONS AND MAXIMUM DESIGN |
| PRESSURES FOR EACH OF THE DIFFERENT ROOFING PRODUCTS, |
| WINDOW TYPES (GLASS TYPES), STRUCTURAL MULLIONS AND |
| EXTERIOR DOOR TYPES. ONLY ONE SET IS REQUIRED TO BE |
| UPLOADED FOR ELECTRONICALLY SUBMITTED DOCUMENTS. |
| |
| 3) SHOW THE ROOF ZONE LOCATIONS FOR THE SOLAR ATTIC |
| VENTLATORS. FBCR-301 |
| |