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// CODE SNIPPET

2113.14 Multiple Flues

Building Code 2018 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.14 Multiple Flues
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Where two or more flues are located in the same chimney, masonry wythes shall be built between adjacent flue linings. The masonry wythes shall be not less than 4 inches (102 mm) thick and bonded into the walls of the chimney.
Exception: Where venting only one appliance, two flues are permitted to adjoin each other in the same chimney with only the flue lining separation between them. The joints of the adjacent flue linings shall be staggered not less than 4 inches (102 mm).

Related Code Sections


2113.14 Masonry, Multiple Flues
Where two or more flues are located in the same chimney, masonry wythes shall be built between adjacent flue linings. The masonry wythes shall ...
Building Code 2021 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.14 Multiple Flues
2113.14 Masonry, Multiple Flues
Where two or more flues are located in the same chimney, masonry wythes shall be built between adjacent flue linings. The masonry wythes shall ...
Building Code 2018 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.14 Multiple Flues
20.5.3.3 General Requirements for Storage, Flues
For Class I through IV and Group A plastic in double-row and multiple-row open racks, a longitudinal flue space shall not be required for storage up ...
Standard for the Installation of Sprinkler Systems 2019 of Illinois > 20 General Requirements for Storage > 20.5 Storage Arrangement > 20.5.3* Rack Storage > 20.5.3.3 Flues
21.11.6.4 Protection of High Piled Storage Using Control Mode Density Area (CMDA) Sprinklers,
For double- and multiple-row racks, in-rack sprinklers shall be installed in the transverse flues at each catwalk level and shall be staggered ...
Standard for the Installation of Sprinkler Systems 2019 of Illinois > 21 Protection of High Piled Storage Using Control Mode Density Area (CMDA) Sprinklers > 21.11 Control Mode Density/Area Sprinkler Protection Criteria for Carton Records Storage With Catwalk Access > 21.11.6 Sprinkler Criteria > 21.11.6.4
8.8.2.8.3.2 System Types and Requirements,
in the transverse flue in singlerow racks and in the longitudinal flue in double-row racks. For multiple-row racks, detectors shall be located in either ...
Standard for the Installation of Sprinkler Systems 2019 of Illinois > 8 System Types and Requirements > 8.8* Refrigerated Spaces > 8.8.2* Spaces Maintained at Temperatures Below 32°F (0°C) > 8.8.2.8 Fire Detection for Preaction Release > 8.8.2.8.3 Detector Location in Racks > 8.8.2.8.3.2
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