Date |
Text |
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] |
| |