| Date |
Text |
| 2007-05-31 09:19:48 | *** DENIED *** |
| | 1) PROVIDE RETURN AIR TO MASTER SUITE, SEE 2004 FBC/R |
| | M1602.4. |
| | |
| | 2) THE 12X6" RETURN AIR GRILL APPEARS TO BE TOO SMALL |
| | FOR A 1.5 TON A/C SYSTEM PLEASE ENLARGE, OR YOU MAY |
| | SUBMIT MANUFACTURER'S SPECIFICATION'S SHOWING THE |
| | PRESSURE LOSS FOR THE RETURN AIR GRILL AND MANUAL D |
| | CALCULATIONS FOR RESIDENTIAL DUCT DESIGN, SEE 2004 |
| | FBC/R M1601.1. |
| | |
| | *** 2004 FBC/R M1602.4 BALANCED RETURN AIR MAY BE |
| | ACHIEVED BY. |
| | (A)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 INCHUNDERCUT TO |
| | ACHIEVE PROPER RETURN AIR BALANCE. |
| | (B)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 |
| | (C)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. PER 2004 FBC/R M1602.4 . |
| | |
| | MECHANICAL PLAN REVIEW BY; |
| | TOM GORDON (561) 805-6729. |
