| Date |
Text |
| 2006-09-11 00:00:00 | *** PROVISO *** |
| | 1) M1601.10 MECHANICAL CLOSETS. |
| | THE INTERIOR SURFACES OF MECHANICAL |
| | CLOSETS SHALL BE SHEATHED WITH A |
| | CONTINUOUS AIR BARRIER AS SPECIFIED IN |
| | SECTION M1601.10.1 AND SHALL BE SEALED |
| | WITH APPROVED CLOSURE SYSTEMS AS |
| | SPECIFIED IN SECTION M1601.10.2 . ALL |
| | JOINTS SHALL BE SEALED BETWEEN AIR |
| | BARRIER SEGMENTS AND BETWEEN THE AIR |
| | BARRIERS OF WALLS AND THOSE OF THE |
| | CEILING, FLOOR AND DOOR FRAMING. ALL |
| | PENETRATIONS OF THE AIR BARRIER |
| | INCLUDING, BUT NOT LIMITED TO, THOSE BY |
| | AIR DUCTS, PLENUMS, PIPES, SERVICE |
| | LINES, REFRIGERANT LINES, ELECTRICAL |
| | WIRING, AND CONDENSATE DRAIN LINES SHALL |
| | BE SEALED TO THE AIR BARRIER AND |
| | APPROVED CLOSURE SYSTEMS. |
| | EXCEPTION : AIR PASSAGEWAYS INTO THE |
| | CLOSET FROM CONDITIONED SPACE THAT ARE SPECIFICALLY |
| | DESIGNED FOR RETURN AIR |
| | FLOW. |
| | THROUGH-WALL, THROUGH-FLOOR AND |
| | THROUGH-CEILING AIR PASSAGEWAYS INTO THE |
| | CLOSET SHALL BE FRAMED AND SEALED TO |
| | FORM AN AIRTIGHT PASSAGEWAY USING |
| | APPROVED AIR DUCT MATERIALS AND APPROVED |
| | CLOSURE SYSTEMS. |
| | DUCT PENETRATIONS THROUGH ANY PART OF |
| | THE CEILING, WALLS OR FLOOR OF A |
| | MECHANICAL CLOSET SHALL HAVE SUFFICIENT |
| | SPACE BETWEEN SURROUNDING CEILING, WALLS |
| | OR FLOOR AND ANY DUCT OR PLENUM |
| | PENETRATION TO ALLOW FOR SEALING OF THE PENETRATION AND |
| | INSPECTION OF THE SEAL. |
| | CLOTHES WASHERS, CLOTHES DRYERS, |
| | COMBUSTION WATER HEATERS AND ATMOSPHERIC COMBUSTION |
| | FURNACES SHALL NOT BE LOCATED |
| | IN MECHANICAL CLOSETS USED AS RETURN AIR |
| | PLENUMS. |
| | |
| | M1601.10.1 APPROVED AIR BARRIERS. |
| | THE FOLLOWING AIR BARRIERS ARE APPROVED |
| | FOR USE IN MECHANICAL CLOSETS: |
| | 1.ONE-HALF INCH (12.7 MM) THICK OR |
| | GREATER GYPSUM WALLBOARD, TAPED AND |
| | SEALED. |
| | 2.OTHER PANELIZED MATERIALS HAVING |
| | INWARD FACING SURFACES WITH AN AIR |
| | POROSITY NO GREATER THAN THAT OF A DUCT |
| | PRODUCT MEETING SECTION 22 OF UL 181 |
| | WHICH ARE SEALED ON ALL INTERIOR |
| | SURFACES TO CREATE A CONTINUOUS AIR |
| | BARRIER. PER 2004 FBC/R. |
| | |
| | MECHANICAL PLAN REVIEW BY; |
| | TOM GORDON (561) 805-6729. |
