| Date |
Text |
| 2015-04-09 14:48:18 | PLAN REVIEW COMMENTS |
| | |
| | 2ND REVIEW: FBC 2010 |
| | ROBERT MCDOUGAL, CBO |
| | COMMERCIAL COMBINATION PLANS EXAMINER |
| | (561) 805-6714 |
| | [email protected] |
| | |
| | MECHANICAL DENIED |
| | |
| | 1) THE 9" RETURN AIR TRANSFER DUCT FOR THE MASTER |
| | BEDROOM SUITE ON THE FIRST FLOOR IS UNDERSIZED. |
| | FBC R1602.4 BALANCED RETURN AIR. |
| | RESTRICTED RETURN AIR OCCURS IN BUILDINGS WHEN RETURNS |
| | ARE LOCATED IN CENTRAL ZONES AND CLOSED INTERIOR DOORS |
| | IMPEDE AIR FLOW TO THE RETURN GRILL OR WHEN CEILING |
| | SPACES ARE USED AS RETURN PLENUMS AND FIRE WALLS |
| | RESTRICT AIR MOVEMENT FROM ONE PORTION OF THE RETURN |
| | PLENUM TO ANOTHER. PROVISIONS SHALL BE MADE IN BOTH |
| | RESIDENTIAL AND COMMERCIAL BUILDINGS TO AVOID |
| | UNBALANCED AIR FLOWS AND PRESSURE DIFFERENTIALS CAUSED |
| | BY RESTRICTED RETURN AIR. PRESSURE DIFFERENTIALS ACROSS |
| | CLOSED DOORS WHERE RETURNS ARE CENTRALLY LOCATED SHALL |
| | BE LIMITED TO 0.01 INCH WC (2.5 PASCALS) OR LESS. |
| | PRESSURE DIFFERENTIALS ACROSS FIRE WALLS IN CEILING |
| | SPACE PLENUMS SHALL BE LIMITED TO 0.01 INCH WC (2.5 |
| | PASCALS) BY PROVIDING AIR DUCT PATHWAYS OR AIR TRANSFER |
| | PATHWAYS FROM THE HIGH PRESSURE ZONE TO THE LOW ZONE. |
| | EXCEPTIONS: |
| | 1. TRANSFER DUCTS MAY ACHIEVE THIS BY INCREASING THE |
| | RETURN TRANSFER 11/2 TIMES THE CROSS SECTIONAL AREA |
| | (SQUARE INCHES) OF THE SUPPLY DUCT ENTERING THE ROOM OR |
| | SPACE IT IS SERVING AND THE DOOR HAVING AT LEAST AN |
| | UNRESTRICTED 1 INCH UNDERCUT TO ACHIEVE PROPER RETURN |
| | AIR BALANCE. |
| | 2. TRANSFER GRILLES SHALL USE 50 SQUARE INCHES (OF |
| | GRILLE AREA) TO 100 CFM (OF SUPPLY AIR) FOR SIZING |
| | THROUGH-THE-WALL TRANSFER GRILLES AND USING AN |
| | UNRESTRICTED 1 INCH UNDERCUTTING OF DOORS TO ACHIEVE |
| | PROPER RETURN AIR BALANCE. |
| | 3. HABITABLE ROOMS ONLY SHALL BE REQUIRED TO MEET THESE |
| | REQUIREMENTS FOR PROPER BALANCED RETURN AIR EXCLUDING |
| | BATHROOMS, CLOSETS, STORAGE ROOMS AND LAUNDRY ROOMS, |
| | EXCEPT THAT ALL SUPPLY AIR INTO THE MASTER SUITE SHALL |
| | BE INCLUDED. |
| | |
| | 2) THE WINDSPEED IS INCORRECTLY SPECIFIED AS 140 MPH ON |
| | SHEET M-1. FBC-R 301.2.1 |
| | |
| | 3) THE NUMBER OF BEDROOMS ARE INCORRECTLY LISTED AS (4) |
| | ON THE ENERGY CALCULATION FORM. THE PLANS SPECIFY A |
| | TOTAL OF (5). FOUR (4) BEDROOMS ARE LOCATED ON THE |
| | SECOND FLOOR AND ONE (1) THE MASTER BEDROOM ON THE |
| | FIRST FLOOR FOR A TOTAL OF (5). THE OWNER/AGENT IS |
| | REQUIRED TO SIGN THE ENERGY CALC. FORM. FBC ENERGY |
| | CONSERVATION, FBC 107.1 AND FBC 107.2.1 |
| | |
| | 4) SPECIFY THE SIZE OF THE SUPPLY DUCT TO THE 10 X 10 |
| | GRILL IN THE LIVING ROOM. FBC 107.2.1 |
| | |
| | |
| | |
