Date |
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2016-01-05 09:09:25 | 1ST REVIEW: FBC 2014 5TH ED. RESIDENTIAL |
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| PROVIDE A REVISED ENERGY SUBMITTAL: |
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| FBCE-R101.5.1.1 BUILDING THERMAL ENVELOPE ALTERNATIVE. |
| AN ACCURATELY COMPLETED RESIDENTIAL BUILDING FORM R402 |
| SHALL BE SUBMITTED TO THE BUILDING OFFICIAL TO |
| DEMONSTRATE CODE COMPLIANCE BY THIS METHOD. |
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| FBCE-101.5.1.1.2 SIMULATED PERFORMANCE ALTERNATIVE. |
| AN ACCURATELY COMPLETED RESIDENTIAL BUILDING FORM R405 |
| (GENERATED BY COMMISSION APPROVED SOFTWARE) SHALL BE |
| SUBMITTED TO THE BUILDING OFFICIAL TO DEMONSTRATE CODE |
| COMPLIANCE BY SECTION 405. |
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| PROVIDE PRODUCT APPROVAL FOR THE NEW ROOF COVERING. |
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| FBC 107.3.4 - PROVIDE PRODUCT APPROVALS FOR THOSE |
| PRODUCTS WHICH ARE REGULATED BY FAC RULE 9N-3 REVIEWED |
| AND APPROVED IN WRITING BY THE DESIGNER OF RECORD. |
| SPECIFICALLY, PROVIDE ROOFING. |
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| PLEASE REVISE PLAN TO SHOW PROVISIONS FOR ATTIC |
| VENTILATION, INSULATION AND INSULATION CLEARENCE, ATTIC |
| ACCESS: A SECTION FOR THE NEW HIP ROOF TO CLEARLY |
| DEMONSTRATE DETAILS MAY BE HELPFUL. |
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| R806.1 VENTILATION REQUIRED. |
| ENCLOSED ATTICS AND ENCLOSED RAFTER SPACES FORMED WHERE |
| CEILINGS ARE APPLIED DIRECTLY TO THE UNDERSIDE OF ROOF |
| RAFTERS SHALL HAVE CROSS VENTILATION FOR EACH SEPARATE |
| SPACE BY VENTILATING OPENINGS PROTECTED AGAINST THE |
| ENTRANCE OF RAIN OR SNOW. VENTILATION OPENINGS SHALL |
| HAVE A LEAST DIMENSION OF 1/16 INCH (1.6 MM) MINIMUM |
| AND 1/4 INCH (6.4 MM) MAXIMUM. VENTILATION OPENINGS |
| HAVING A LEAST DIMENSION LARGER THAN 1/4 INCH (6.4 MM) |
| SHALL BE PROVIDED WITH CORROSION-RESISTANT WIRE CLOTH |
| SCREENING, HARDWARE CLOTH, OR SIMILAR MATERIAL WITH |
| OPENINGS HAVING A LEAST DIMENSION OF 1/16 INCH (1.6 MM) |
| MINIMUM AND 1/4 INCH (6.4 MM) MAXIMUM. OPENINGS IN ROOF |
| FRAMING MEMBERS SHALL CONFORM TO THE REQUIREMENTS OF |
| SECTION R802.1.8. REQUIRED VENTILATION OPENINGS SHALL |
| OPEN DIRECTLY TO THE OUTSIDE AIR. |
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| R806.3 VENT AND INSULATION CLEARANCE. |
| WHERE EAVE OR CORNICE VENTS ARE INSTALLED, INSULATION |
| SHALL NOT BLOCK THE FREE FLOW OF AIR. A MINIMUM OF A |
| 1-INCH (25 MM) SPACE SHALL BE PROVIDED BETWEEN THE |
| INSULATION AND THE ROOF SHEATHING AND AT THE LOCATION |
| OF THE VENT. |
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| R807.1 ATTIC ACCESS. |
| BUILDINGS WITH COMBUSTIBLE CEILING OR ROOF CONSTRUCTION |
| SHALL HAVE AN ATTIC ACCESS OPENING TO ATTIC AREAS THAT |
| EXCEED 30 SQUARE FEET (2.8 M2) AND HAVE A VERTICAL |
| HEIGHT OF 30 INCHES (762 MM) OR GREATER. THE VERTICAL |
| HEIGHT SHALL BE MEASURED FROM THE TOP OF THE CEILING |
| FRAMING MEMBERS TO THE UNDERSIDE OF THE ROOF FRAMING |
| MEMBERS. |
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| THE ROUGH-FRAMED OPENING SHALL NOT BE LESS THAN 22 |
| INCHES BY 30 INCHES (559 MM BY 762 MM) AND SHALL BE |
| LOCATED IN A HALLWAY OR OTHER READILY ACCESSIBLE |
| LOCATION. WHEN LOCATED IN A WALL, THE OPENING SHALL BE |
| A MINIMUM OF 22 INCHES WIDE BY 30 INCHES HIGH (559 MM |
| WIDE BY 762 MM HIGH). WHEN THE ACCESS IS LOCATED IN A |
| CEILING, MINIMUM UNOBSTRUCTED HEADROOM IN THE ATTIC |
| SPACE SHALL BE 30 INCHES (762 MM) AT SOME POINT ABOVE |
| THE ACCESS MEASURED VERTICALLY FROM THE BOTTOM OF |
| CEILING FRAMING MEMBERS. SEE SECTION M1305.1.3 FOR |
| ACCESS REQUIREMENTS WHERE MECHANICAL EQUIPMENT IS |
| LOCATED IN ATTICS. |
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| STEVEN KENNEDY, CBO |
| CHIEF PLANS EXAMINER |
| (561) 805-6710 |
| [email protected] |
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