| Date |
Text |
| 2015-03-30 16:52:22 | PLAN REVIEW COMMENTS |
| | |
| | 1ST REVIEW: FBC 2010 |
| | ROBERT MCDOUGAL, CBO |
| | COMMERCIAL COMBINATION PLANS EXAMINER |
| | (561) 805-6714 |
| | [email protected] |
| | |
| | DENIED BY MECHANICAL |
| | PLEASE ADDRESS THE ITEMS NOTED BELOW: |
| | |
| | 1) FBC-R - M1401.3 SIZING. HEATING AND COOLING |
| | EQUIPMENT SHALL BE SIZED BASED ON BUILDING LOADS |
| | CALCULATED IN ACCORDANCE WITH ACCA MANUAL J OR OTHER |
| | APPROVED HEATING AND COOLING CALCULATION METHODOLOGIES. |
| | PROVIDE EQUIPMENT SIZING CALCULATIONS. |
| | |
| | 2) FBC 107.2.1 PROVIDE THE MODEL NUMBERS AND |
| | SPECIFICATIONS OF THE HEATING AND COOLING EQUIPMENT IN |
| | AN EQUIPMENT SCHEDULE ON THE MECHANICAL PLAN THAT |
| | CORRESPONDS WITH THE EQUIPMENT SIZING CALCULATIONS. |
| | |
| | 3) SPECIFY THE CFMS AT EACH SUPPLY GRILL. FBC-R - M |
| | 1602.4 PROVIDE BALANCED AIR RETURN AT BEDROOMS. M1602.4 |
| | 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 1-1/2 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. |
| | |
| | |
