| Date |
Text |
| 2010-08-12 11:23:18 | |
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| | MECHANICAL PLAN REVIEW |
| | PERMIT: 10070561 |
| | ADD: 716 NEY YORK ST |
| | CONT: TO BE DETERMINED |
| | CONTACT: PENE LATHAM |
| | TEL: (561)832-1500 |
| | |
| | FL BLD CODE= 2007 FLORIDA BUILDING CODE- MECHANICAL |
| | W/ 2009 FBC SUPPLEMENTS |
| | * WEST PALM BEACH AMENDMENTS |
| | |
| | 1ST REVIEW |
| | ACTION: DENIED |
| | |
| | |
| | 1) RESIDENTIAL: ENERGY CODE 2007 SUPPLEMENTS. |
| | N1100.0.3 ADDITIONS. ADDITIONS TO EXISTING RESIDENTIAL |
| | BUILDINGS SHALL BE CONSIDERED NEW BUILDING CONSTRUCTION |
| | AND SHALL COMPLY WITH THE REQUIREMENTS OF EITHER METHOD |
| | A OR B AS APPLICABLE. ADDITIONS THAT ARE UNABLE TO |
| | COMPLY WITH CODE REQUIREMENTS FOR THE ADDITION ALONE |
| | MAY COMPLY WITH THE CODE BY BRINGING THE ENTIRE |
| | BUILDING INTO COMPLIANCE WITH SECTION N1100.A.5.2. |
| | N1100.0.4 RENOVATIONS. RENOVATED BUILDINGS SHALL, WHEN |
| | APPLICABLE (SEE SECTION N1100.7.3), MEET THE |
| | PRESCRIPTIVE REQUIREMENTS CONTAINED IN METHOD B FOR |
| | INSULATION, HVAC SYSTEMS, WATER HEATING SYSTEMS AND |
| | EXTERIOR ENVELOPE FOR THOSE COMPONENTS BEING |
| | RETROFITTED OR REPLACED. |
| | |
| | 2) PROVISO: 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 RESIDENTIAL |
| | 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 |
| | PA) OR LESS. PRESSURE DIFFERENTIALS ACROSS FIRE WALLS |
| | IN CEILING SPACE PLENUMS SHALL BE LIMITED TO 0.01 INCH |
| | WC (2.5 PA) 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 ONE AND ONE HALF TIMES THE CROSS |
| | SECTIONAL AREA (SQUARE INCHES) OF THE SUPPLY DUCT |
| | ENTERING THE ROOM OR SPACE IT'S SERVING AND THE DOOR |
| | HAVING AT LEAST AN UNRESTRICTED 1 INCH (25 MM) UNDERCUT |
| | TO ACHIEVE PROPER RETURN AIR BALANCE. |
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