// CODE SNIPPET
Section 919 Engineered Vent Systems
JUMP TO FULL CODE CHAPTER
The maximum developed length of individual fixture vents to vent branches and vent headers shall be determined in accordance with Table 919.2 for the minimum pipe diameters at the indicated vent airflow rates.
The individual vent airflow rate shall be determined in accordance with the following:
Individual vent airflow rates are obtained by equally distributing Qh,b into one-half the total number of fixtures on the branch or header for more than two fixtures; for an odd number of total fixtures, decrease by one; for one fixture, apply the full value of Qh,b.
Individual vent developed length shall be increased by 20 percent of the distance from the vent stack to the fixture vent connection on the vent branch or header.
MINIMUM DIAMETER AND MAXIMUM LENGTH OF INDIVIDUAL BRANCH FIXTURE VENTS AND INDIVIDUAL FIXTURE HEADER VENTS FOR SMOOTH PIPES
|DIAMETER OF |
|INDIVIDUAL VENT AIRFLOW RATE (cubic feet per minute)|
|Maximum developed length of vent (feet)|
For SI: 1 inch = 25.4 mm, 1 cubic foot per minute = 0.4719 L/s, 1 foot = 304.8 mm.
Related Code Sections
Section 919 Vents, Engineered Vent Systems
Engineered vent systems shall comply with this section and the design, submittal, approval, inspection and testing requirements of Section 316 ...
901.6 Vents, Engineered Systems
Engineered venting systems shall conform to the provisions of Section 919 ...
503.10.8 Chimneys and Vents, Length of Vent Connector
The maximum horizontal length of a single-wall connector shall be 75 percent of the height of the chimney or vent except for engineered systems. The ...
Fuel Gas Code 2018 of Kansas > 5 Chimneys and Vents > 503 (IFGS) Venting of Appliances > 503.10 Vent Connectors for Category I Appliances > 503.10.8 Length of Vent Connector
G2427.10.8 Fuel Gas, (503.10.8) Length of Vent Connector
The maximum horizontal length of a single-wall connector shall be 75 percent of the height of the chimney or vent except for engineered systems ...
Residential Code 2018 of Kansas > 24 Fuel Gas > G2427 (503) Venting of Appliances > G2427.10 (503.10) Vent Connectors for Category I Appliances > G2427.10.8 (503.10.8) Length of Vent Connector
M1801.11 Chimneys and Vents, Multiple-Appliance Venting Systems
: Appliances that are connected to common venting systems shall be located on the same floor of the dwelling . Exception: Engineered systems ...
Residential Code 2018 of Kansas > 18 Chimneys and Vents > M1801 General > M1801.11 Multiple-Appliance Venting Systems