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// CODE SNIPPET

Section 515 Mausoleum Relief Vent

2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent
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515.1 General

A pressure relief vent shall be provided for each crypt. Niches shall not require pressure relief systems.

515.2 Materials

The pressure relief vent pipe and fittings shall conform to one of the standards listed in Tables 515.2A and 515.2B.

TABLE 515.2A

CRYPT PRESSURE RELIEF PIPE

MATERIALSTANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipeASTM D2661, ASTM F628CSA B181.1,
Polylefin pipeCSA CAN/CSA B181.3
Polyvinyl chloride (PVC) plastic pipe (Type DWV)ASTM D2665, ASTM D2949, ASTM F891

TABLE 515.2B

CRYPT PRESSURE RELIEF FITTINGS

MATERIALSTANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipeASTM D3311, CSA B181.1
Polyvinyl chloride (PVC) plastic pipe (Type DWV)ASTM D3311, ASTM D2949, ASTM F891
Plastic, generalASTM F409

515.3 Pressure Relief Vent

For family mausoleum units where all crypts are bordering an exterior wall, pressure relief ventilation shall be provided from the crypt to the outside of the mausoleum through the exterior wall or roof. For all other mausoleum units, each crypt shall have a pressure relief vent from the crypt to the roof of the mausoleum. The minimum nominal pipe size shall be 1 inch (25 mm). The system shall have a minimum of one-eighth unit vertical to 12 units horizontal (1-percent slope). The piping shall not be trapped or installed to trap water or condensate.

515.4 Termination

Except for family mausoleum units where all crypts are bordering an exterior wall, crypt pressure relief system shall extend through the roof and terminate at least 6 inches (152 mm) above the roof and at least 10 feet (3048 mm) from any openable opening, air intake or property line. The termination of the relief system pipe shall be done by a roof and vent cap compatible with the relief pressure pipe. The roof and vent cap shall be waterproof. For family mausoleum units where all crypts are bordering an exterior wall, pressure relief ventilation shall be provided from the crypt to the outside of the mausoleum through the exterior wall or roof.

Related Code Sections


Section 515 Exhaust Systems, Mausoleum Relief Vent
the exterior wall or roof. For all other mausoleum units, each crypt shall have a pressure relief vent from the crypt to the roof of the mausoleum. The minimum ...
2014 FBC - Mechanical, 5th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent
Section 515 Exhaust Systems, Mausoleum Relief Vent
all other mausoleum units, each crypt shall have a pressure relief vent from the crypt to the roof of the mausoleum. The minimum nominal pipe size shall ...
2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent
Section 515 Exhaust Systems, Mausoleum Relief Vent
or roof. For all other mausoleum units, each crypt shall have a pressure relief vent from the crypt to the roof of the mausoleum. The minimum nominal ...
2020 FBC - Mechanical, 7th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent
515.4 Exhaust Systems, Termination
Except for family mausoleum units where all crypts are bordering an exterior wall, crypt pressure relief system shall extend through the roof ...
2020 FBC - Mechanical, 7th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent > 515.4 Termination
515.1 Exhaust Systems, General
A pressure relief vent shall be provided for each crypt. Niches shall not require pressure relief systems ...
2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 515 Mausoleum Relief Vent > 515.1 General
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