Date |
Text |
2018-11-16 19:17:51 | RESIDENTIAL (R3) RE-ROOF SECOND BUILDING REVIEW |
| COMMENTS |
| CODE: FBC 6TH EDITION (2017) AND CITY AMENDMENTS |
| |
| ORIGINAL COMMENT: |
| 1) THIS ONE STORY STRUCTURE IS LOCATED IN EXPOSURE |
| CATEGORY D. THE REQUIRED UPLIFT PRESSURE FOR THE FLAT |
| ROOF IS -116 PSF FOR ROOF ZONE 3 FOR A STRUCTURE WITH A |
| 15 FT. MEAN ROOF HEIGHT EXCEEDS THE -97.5 PSF FOR |
| SYSTEM NO. W-19 THAT WAS SELECTED FROM FL16027-R2. |
| SUBMIT PRODUCT APPROVALS THAT MEET THE REQUIRED UPLIFT. |
| FBC-R301.2.1 |
| |
| RESPONSE: |
| NEW FLAT ROOF ASSEMBLY W-5 DOESN'T MEET THE DESIGN |
| PRESSURES FOR ALL ROOF ZONES EITHER. DESIGN PRESSURES |
| ARE EVEN LOWER THAN THE ASSEMBLY SELECTED ON THE FIRST |
| SUBMITTAL. NEED TO SELECT ASSEMBLY THAT MEETS THE |
| DESIGN PRESSURES FOR ALL ROOF ZONES. NOTE: BONDED |
| ASSEMBLIES DON'T ALLOW RATIONAL ANALYSIS (RAS 117 |
| CALCULATIONS FOR NAIL ENHANCEMENT). SEE NOTE #10 ON |
| PAGE 2 OF 26 OF PRODUCT APPROVAL FL16027-R2 SUBMITTED. |
| |
| ORIGINAL COMMENT: |
| 2) THE UNDERLAYMENT AND CAP SHEET SPECIFIED ON PAGE 4 |
| OF ROOFING FORM 100, DO NOT MATCH THE ONES THAT WERE |
| MARKED ON THE PRODUCT APPROVAL FL16027. PLEASE CORRECT. |
| FBC 107.2.1 |
| |
| RESPONSE: |
| INFORMATION SUBMITTED IS NOT CLEAR. SEC. 107.2.1 CITY |
| AMENDMENTS. |
| WHAT'S CAP SHEET SA-P? AND WHAT'S OTHER UNDERLAYMENT |
| SA-V ?. |
| |
| |
| IF YOU HAVE ANY QUESTIONS, PLEASE CONTACT |
| JULIO GOMEZ |
| COMMERCIAL COMBINATION PLANS EXAMINER |
| DEVELOPMENT SERVICES DEPARTMENT |
| BUILDING DIVISION |
| (561)805-6712 |
| [email protected] |