Date |
Text |
2012-12-05 18:36:07 | BUILDING PLAN REVIEW |
| ******************** |
| ROBERT BROWN (561) 805 6652 |
| E-MAIL: [email protected] |
| |
| FBC = FLORIDA BUILDING CODE 2010 |
| FBC*= FLORIDA BUILD'G CODE (CITY AMEND) |
| F.S.= FLORIDA (STATE) STATUTE |
| |
| 1) FBC 1609.3 - BASIC WIND SPEED |
| BY REFERENCE FROM THE 2010 FBC, THE CURRENT DESIGN |
| STANDARD IS ASCE 7-10, WHICH IS BASED ON ULTIMATE |
| DESIGN WIND SPEED, NOT ALLOWABE STRESS DESIGN WIND |
| SPEED. |
| THE SOLAR PHOTO VOLTAIC SYSTEM IS AN APPURTENANCE TO |
| THE BUILDING. AS SUCH IT MAY BE CONSIDERED AS THE |
| LOWEST RISK CATEGORY ALLOWED BY FBC 1609.3, WHICH IS |
| RISK CATEGORY I. THE DESIGN WIND SPEED SHALL BE |
| OBTAINED FROM FBC FIGURE 1609C, AND THAT GIVES AN |
| UTLIMATE DESIGN WIND SPEED OF 155 MPH FOR THIS |
| LOCATION. PLEASE REVISE THE STRUCTURAL CALCULATIONS TO |
| REFERENCE THE CURRENT DESIGN STANDARD FOR WIND LOADING, |
| AND STATE THE CORRECT DESIGN WIND SPEED. THE ULTIMATE |
| DESIGN WIND SPEED MAP FOR RISK CATEGORY I BUILDINGS AND |
| STRUCTURES IN PALM BEACH COUNTY CAN BE VIEWED AT WWW.CI |
| TYOFWPB.COM/CONSTRUCTION/PDF/FIGURE%20C%20DATA%20PAGES% |
| 202_PALMBEACH.PDF |
| |
| 2) FBC 1609.1.1 - WIND SPEED |
| STRUCTURAL CALCULATION PAGE 1 OF 8 REFERENCES ASCE |
| 7-05, AND STATES THAT THE DESIGN WIND SPEED (FOR |
| ALLOWABLE STRESS DESIGN) IS 120 MPH. AS STATED IN |
| COMMENT 1 ABOVE, THE CURRENT DESIGN STANDARD IS ASCE |
| 7-10, WHICH IS BASED ON ULTIMATE DESIGN WIND SPEED, NOT |
| ALLOWABE STRESS DESIGN WIND SPEED. |
| FROM FBC FIGURE 1609C, THE UTLIMATE DESIGN WIND SPEED |
| IS 155 MPH AT THIS LOCATION. PLEASE REVISE THE |
| STRUCTURAL CALCULATIONS TO REFERENCE THE CURRENT DESIGN |
| STANDARD FOR WIND LOADING, AND SHOW WHAT EFFECT, IF |
| ANY, THAT HAS ON THE UPLIFT AND SLIDING FORCES, AND THE |
| ANCHOR TYPE, SIZE AND SPACING. |
| |
| 3) FBC 1604.2 - TRANSFER OF LOAD |
| THE FOLLOWING WILL BE A PROVISO ONCE THE OTHER PLAN |
| REVIEW COMMENTS ARE ADDRESSED, AND A PERMIT IS BEING |
| ISSUED: |
| FOR THE ANCHOR CALCULATIONS, STRUCTURAL CALCULATION |
| PAGE 2 OF 8 REFERENCES ACI 318 APPENDIX D FOR CRACKED |
| CONCRETE, AND DRAWING SHEET PV-4, NOTES 1 THROUGH 3, |
| STATE THAT THE ROOF DECK IS ASSUMED TO BE STRUCTURAL |
| CONCRETE AND REQUIRE THE CONTRACTOR TO NOTIFY THE |
| DESIGNER IF THE FIELD CONDITIONS DO NOT MATCH THE |
| DRAWINGS. IT IS NOTED THAT THE DESIGN IS BASED UPON THE |
| ASSUMPTION OF A STRUCTURAL CONCRETE DECK CAPABLE OF |
| TRANSFERRING THE LOADS TO THE PRIMARY STRUCTURAL |
| ELEMENTS, AND THAT THE CONTRACTOR IS REQUIRED NOTIFY |
| THE DESIGNER IF THAT ASSUMPTION IS NOT FOUND TO BE |
| CORRECT IN THE FIELD. |
| |
| |
| **QUOTE PERMIT# ON ALL CORRESPONDENCE** |
| |
| END OF REVIEW COMMENTS |
| THE CODE REFERENCES GIVE ADDITIONAL INFO |
| TELEPHONE: (561) 805 6652 ROBERT BROWN |
| E-MAIL: [email protected] |