// DEFINITION

Common Vent

Residential Code 2021 of Colorado > 2 Definitions > R202 Definitions

[MP] COMMON VENT. A single pipe venting two trap arms within the same branch interval, either back-to-back or one above the other.

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Related Code Sections

Section 911 Vents, Common Vent

An individual vent is permitted to vent two traps or trapped fixtures as a common vent. The traps or trapped fixtures being common vented shall ...

Plumbing Code 2018 of Colorado > 9 Vents > 911 Common Vent

Section P3107 Vents, Common Vent

An individual vent shall be permitted to vent two traps or trapped fixtures as a common vent. The traps or trapped fixtures being common vented shall ...

Residential Code 2021 of Colorado > 31 Vents > P3107 Common Vent

Section P3107 Vents, Common Vent

An individual vent shall be permitted to vent two traps or trapped fixtures as a common vent. The traps or trapped fixtures being common vented shall ...

Residential Code 2018 of Colorado > 31 Vents > P3107 Common Vent

504.3.15 Chimneys and Vents, Multistory Common Vents

Where used in multistory systems, vertical common vents shall be Type B double wall and shall be installed with a listed vent cap ...

Fuel Gas Code 2018 of Colorado > 5 Chimneys and Vents > 504 (IFGS) Sizing of Category I Appliance Venting Systems > 504.3 Application of Multiple Appliance Vent Tables 504.3(1) Through 504.3(7) > 504.3.15 Multistory Common Vents

504.3.8 Chimneys and Vents, Common Vent Minimum Size

The cross-sectional area of the common vent shall be equal to or greater than the cross-sectional area of the largest connector ...