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// CODE SNIPPET

803.2.13 Size of Vents for Multistory Installations

Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems > 803.2 Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9) > 803.2.13 Size of Vents for Multistory Installations
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The size of the lowest connector and of the vertical vent leading to the lowest interconnection of a multistory system shall be in accordance with Table 803.1.2(1) or Table 803.1.2(2) for available total height (H) up to the lowest interconnection. (See Figure 803.2.13) [NFPA 54:13.2.15]
FIGURE 803.2.13
PRINCIPLES OF DESIGN OF MULTISTORY VENTS USING
VENT CONNECTOR AND COMMON VENT DESIGN TABLES
[NFPA 54: FIGURE F.1(n)]

Related Code Sections


803.2.13 Chimneys and Vents, Size of Vents for Multistory Installations
The size of the lowest connector and of the vertical vent leading to the lowest interconnection of a multistory system shall be in accordance ...
Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems > 803.2 Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9) > 803.2.13 Size of Vents for Multistory Installations
802.6.4 Chimneys and Vents, Gas Vents Serving Appliances on More Than One Floor
A common vent shall be permitted in multistory installations to vent Category I appliances located on more than one floor level, provided the venting ...
Los Angeles Mechanical Code > 8 Chimneys and Vents > 802.0 Venting of Appliances > 802.6 Gas Vents > 802.6.4 Gas Vents Serving Appliances on More Than One Floor
803.2 Chimneys and Vents, Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9)
)] Where used in multistory systems, vertical common vents shall be Type B double-wall and shall be installed ...
Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems > 803.2 Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9)
907.1 Installation of Specific Appliances, Installation
gas vent system listed for a single story shall be installed in single-story buildings or the top story of multistory buildings. Vented wall furnaces ...
Los Angeles Mechanical Code > 9 Installation of Specific Appliances > 907.0 Wall Furnaces > 907.1 Installation
803.0 Chimneys and Vents, Sizing of Category Venting Systems
)] Where used in multistory systems, vertical common vents shall be Type B double-wall and shall be installed with a listed vent cap ...
Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems
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