| Date |
Text |
| 2014-11-30 15:10:55 | 1ST REVIEW: FBC 2010 |
| | |
| | YOU HAVE PROVIDED DESIGN PRESSURES FOR EXPOSURE C. |
| | PLEASE PROVIDE DESIGN PRESSURES BASED ON EXPOSURE D: |
| | |
| | 1609.4.3 EXPOSURE CATEGORIES. |
| | AN EXPOSURE CATEGORY SHALL BE DETERMINED IN ACCORDANCE |
| | WITH THE FOLLOWING: |
| | |
| | EXPOSURE B. FOR BUILDINGS WITH A MEAN ROOF HEIGHT OF |
| | LESS THAN OR EQUAL TO 30 FEET, EXPOSURE B SHALL APPLY |
| | WHERE THE GROUND SURFACE ROUGHNESS AS DEFINED BY |
| | SURFACE ROUGHNESS B PREVAILS IN THE UPWIND DIRECTION |
| | FOR A DISTANCE OF AT LEAST 1,500 FT (457 M). FOR |
| | BUILDINGS WITH A MEAN ROOF HEIGHT GREATER THAN 30 FEET, |
| | EXPOSURE B SHALL APPLY WHERE SURFACE ROUGHNESS B |
| | PREVAILS IN THE UPWIND DIRECTION FOR A DISTANCE OF AT |
| | LEAST 2,600 FEET (792 M) OR 20 TIMES THE HEIGHT OF THE |
| | BUILDING, WHICHEVER IS GREATER. |
| | |
| | EXPOSURE C. EXPOSURE C SHALL APPLY FOR ALL CASES WHERE |
| | EXPOSURES B OR D DO NOT APPLY. |
| | |
| | EXPOSURE D. EXPOSURE D SHALL APPLY WHERE THE GROUND |
| | SURFACE ROUGHNESS, AS DEFINED BY SURFACE ROUGHNESS D, |
| | PREVAILS IN THE UPWIND DIRECTION FOR A DISTANCE OF AT |
| | LEAST 5,000 FEET (1524 M) OR 20 TIMES THE HEIGHT OF THE |
| | BUILDING, WHICHEVER IS GREATER. EXPOSURE D SHALL EXTEND |
| | INLAND FROM THE SHORELINE FOR A DISTANCE OF 600 FEET |
| | (183 M) OR 20 TIMES THE HEIGHT OF THE BUILDING, |
| | WHICHEVER IS GREATER FROM AN EXPOSURE D CONDITION AS |
| | DEFINED IN THE PREVIOUS SENTENCE. |
| | |
| | ADDITIONALLY, PLEASE INDICATE THE SELECTED PANEL |
| | WIDTHS, I ASSUME THEY ARE 48". PLEASE INDICATE BY |
| | MARKING THE PRODUCT APPROVAL OR OTHERWISE. ALSO, |
| | INDICATE ON THE PRODUCT APPROVAL, OR OTHERWISE, HOW YOU |
| | FOLLOWED THE INSTRUCTIONS ON SHEET 1 OF 8, AND SHOW THE |
| | SELECTED ANCHOR OPTION YOU ARE CHOOSING. |
| | |
| | STEVEN KENNEDY, CBO |
| | CHIEF PLANS EXAMINER |
| | (561) 805-6710 |
| | [email protected] |
| | |
