| 2019-08-16 15:24:41 | 1ST REVIEW FBC-2017 MECHANICAL |
| | PERMIT #19080572 |
| | 8/16/18 |
| | |
| | CODES IN EFFECT: |
| | FBC RES- FLORIDA RESIDENTIAL BUILDING CODE SIXTH |
| | EDITION 2017 |
| | FS- FLORIDA STATUTES |
| | FAC- FLORIDA ADMINISTRATIVE CODE |
| | WPB- WEST PALM BEACH AMENDMENTS TO THE FBC SIXTH |
| | EDITION 2017 |
| | |
| | PLAN REVIEW RESULTS: DENIED. |
| | |
| | 1) THE BEDROOM 2 & 3 TRANSFER DUCTS ARE UNDERSIZED PER |
| | SECTION 1602.3 FBC R. |
| | M1602.3 FBC-B: 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 |
| | THROUGHTHE-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) MANUFACTURER'S SPECIFICATIONS AND INSTALLATION |
| | INSTRUCTIONS FOR THE NEW RANGE HOOD SHALL BE ONSITE AT |
| | TIME OF INSPECTION. PLEASE SEE SECTION 1503.4 FBC R FOR |
| | MAKEUP AIR REQUIREMENTS FOR HOODS EXHAUSTING IN EXCESS |
| | OF 400 CFM'S. |
| | |
| | WHEN RESUBMITTING, IT IS HELPFUL TO PROVIDE A RESPONSE |
| | LETTER ADDRESSING EACH ITEM ALONG WITH THE CITY |
| | RE-SUBMITTAL FORM. ADDITIONALLY, PLEASE INSERT |
| | CORRECTED PLAN SHEETS INTO THE SETS, REMOVE THE |
| | PREVIOUSLY REVIEWED SHEETS AND MARK VOID ON THEM, AND |
| | KEEP THEM WITH THE SUBMITTALS. |
| | |
| | CHRISTOPHER L. COLE |
| | MECHANICAL PLANS EXAMINER |
| | 401 CLEMATIS STREET |
| | WEST PALM BEACH FL 33401 |
| | 561-805-6719 |
| | [email protected] |
| | |
