SECTION 904 VENT TERMINALS Air Intake 10 2 PMA of Georgia 2010 9046 Extension

Section 904 vent terminals air intake 10 2 pma of

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SECTION 904VENT TERMINALSAir Intake10’2’
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© PMA of Georgia 2010904.6 Extension through the wall. Vent terminals extending through the wall shall terminate a minimum of 10 feet (3048 mm) from the lot line and 10 feet (3048 mm) above average ground level. Vent terminals shall not terminate under the overhang of a structure with soffit vents. Side wall vent terminals shall be protected to prevent birds or rodents from entering or blocking the vent opening.SECTION 904VENT TERMINALS10’ to lot line10’ above groundProtective mesh
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© PMA of Georgia 2010SECTION 905VENT CONNECTIONS AND GRADESLavKSWCGRADE905.2 Grade. All vent and branch vent pipes shall be so graded and connected as to drain back to the drainage pipe by gravity.Vent piping may either rise or fall as long as the pipe can drain back to the drainage piping by gravity. In other words air does not care whether it moves uphill or downhill.
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© PMA of Georgia 2010SECTION 905VENT CONNECTIONS AND GRADES905.4 Vertical rise of vent. Every dry vent shall rise vertically to a minimum of 6 inches (152 mm) above the flood level rim of the highest trap or trapped fixture being vented.Exception: Vents for interceptors located outdoors.905.5 Height above fixtures. A connection between a vent pipe and a vent stack or stack vent shall be made at least 6 inches (152 mm) above the flood level rim of the highest fixture served by the vent. Horizontal vent pipes forming branch vents, relief vents or loop vents shall be at least 6 inches (152 mm) above the flood level rim of the highest fixture served.It is important to note that the 2006 IPC has a definition of vertical pipe as any pipe which is 45°or greater from horizontal. The vent piping in this drawing is considered to be vertical pipe.
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© PMA of Georgia 2010SECTION 906FIXTURE VENTS906.1 Distance of trap from vent. Each fixture trap shall have a protecting vent located so that the slope and the developed length in the fixture drain from the trap weir to the vent fitting are within the requirements set forth in Table 906.1.906.2 Venting of fixture drains. The total fall in a fixture drain due to pipe slope shall not exceed the diameter of the fixture drain, nor shall the vent connection to a fixture drain, except for water closets, be below the weir of the trap.This drawing shows a combination wye and eighth bend which creates an “S”trap. This is not allowed because it places the connection of the waste arm with the vent below the hydraulic gradient.
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© PMA of Georgia 2010SECTION 906FIXTURE VENTS906.3 Crown vent. A vent shall not be installed within two pipe diameters of the trap weir.This drawing shows the vent connected within two pipe diameters of the trap weir. This is a Crown Vent and is not permitted.
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© PMA of Georgia 2010SECTION 907INDIVIDUAL VENT907.1 Individual vent permitted. Each trap and trapped fixture is permitted to be provided with an individual vent. The individual vent shall connect to the fixture drain of the trap or trapped fixture being vented.
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