| Plan Review Notes For Permit 13080227 |
| Permit Number |
13080227 |
|
| Review Stop |
M |
| Sequence Number |
1 |
|
| Notes |
| Date |
Text |
| 2013-08-07 07:28:36 | NO MECHANICAL PLANS SUPPLIED.2010 FBC-M 601.4. FAILURE | | | TO SHOW BALANCE 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. | | | |
|
