Note 5 clearance to a mechanical air supply inlet.
Nyc direct vent roof clearance.
An exception is made for non combustible walls such as solid masonry or concrete.
This construction shall extend vertically from the ground to a point 10 feet 3048 mm above the floor level of the area for assisted rescue or to the roof line whichever is lower.
72 1 8m 36 90cm 5b.
The clearance shall be not less than the clearance to combustibles specified by the vent manufacturer s installation instructions.
Vents shall terminate at least 3 feet 914 mm above any forced air inlet other than the forced air inlet for the subject direct vent or integral vent appliance located within 10 feet 3048 mm.
Single wall vent pipes cannot pass through a ceiling floor firewall or wall.
For gas fired water heater vents.
The vent system shall terminate at least 4 feet 1219 mm below 4 feet 1219 mm horizontally from or 1 foot 305 mm above any door window or gravity air inlet into the building.
With these systems the code specifies clearances that must be met with respect to walkways windows air inlets metering equipment and adjacent properties.
Direct vent integral vent and mechanical draft systems are covered in section mc 804.
This is a bit of an odd measurement and chimney clearance case because the chimney side is actually about 8 away from the roof edge.
Construction such as a roof ridge parapet wall or penthouse within ten feet of the chimney outlet whether the construction.
Where vents pass through attic space the shield shall terminate not less than 2 inches 51 mm above the insulation materials and shall be secured in place to prevent displacement.
3 91cm above if within 10 3m horizontally.
The height of the chimney above the roof surface measured at the up slope side of the chimney from the roof surface to the chimney top should be at least three feet the green line in our photo.
Title 27 subchapter 15.
The clearance shall be not less than the clearance to combustibles specified by the vent manufacturer s installation instructions.
6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material.
15 10 vent connector clearance for gas fired equipment 15 11 reduced clearances for vent connectors with.
1007 7 1 openness the exterior area for assisted rescue shall be at least 50 percent open and the open area above the guards shall be so distributed as to minimize.
Where vents pass through attic space the shield shall terminate not less than 2 inches 51 mm above the insulation materials and shall be secured in place to prevent displacement.
In direct vent applications this clearance distance must be in compliance with local building codes the requirements of the fuel gas supplier for the heating appliance in use and the appliance manufacturer s instructions.
Clearance distance from gas vent termination cap to adjacent building.
