<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8" /><title></title><meta name="Generator" content="PowerTools for Open XML" /><style>span { white-space: pre-wrap; } p.s38ee9258-634d-4761-aaa0-a872808542e0P0 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: justify; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; line-height: 108%; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0000002 { color: black; background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } p.s38ee9258-634d-4761-aaa0-a872808542e0P0-000004 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: left; background: white; font-family: Times; font-size: 12pt; line-height: 108%; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000005 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000006 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C2 { color: #0000FF; background: white; font-family: Times; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000007 { color: black; background: white; font-family: Times; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s38ee9258-634d-4761-aaa0-a872808542e0C0-000008 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; text-decoration: line-through; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=44:73:12:29"><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000000">44:73:12:29</span></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000001">.  Ducts.</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">The facility shall ensure its ducts are</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> constructed of iron, steel, aluminum, or other approved metal or materials as defined in </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">NFPA 101 Life Safety Code</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> 2012 edition</span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">, section 32.3.6.2.1</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">. Duct linings, coverings, vapor barriers, and the adhesives used for applying them </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">must</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> have a flame spread </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">index</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> of not more than </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">twenty-five</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> and a smoke </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">emission</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> rating of not more than </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">fifty</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> using </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">ASTM E84-23D 2010 edition</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">, Standard </span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">Test </span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">Method for Surface Burning Characteristics of Building Materials. A fire and smoke damper </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">must</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> be provided on each opening through each required two-hour or greater fire-resistive wall or floor and on each opening through the walls of a vertical shaft, unless the shaft has a fire and smoke damper at the floor level. Access for maintenance </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">must</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> be provided at all dampers. Each duct system serving hood </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">must</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> be constructed of corrosion resistant material. Each cold air duct </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">must</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> be insulated wherever necessary to maintain the efficiency of the system </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">and</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> to minimize condensation problems.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0000002"> </span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">    </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000001">Source:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> SL 1975, ch 16, § 1; 4 SDR 14, effective September 14, 1977; 6 SDR 93, effective July 1, 1980; 14 SDR 81, effective December 10, 1987; 22 SDR 70, effective November 19, 1995; 26 SDR 96, effective January 23, 2000; 27 SDR 59, effective December 17, 2000; 29 SDR 81, effective December 11, 2002; transferred from § </span><a href="https://sdlegislature.gov/Rules?Rule=44:04:13:28"><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000003">44:04:13:28</span></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">, 42 SDR 51, effective October 13, 2015</span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">; 51 SDR 53, effective November 11, 2024</span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">    </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000001">General Authority:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000003">34-12-13</span></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">    </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000001">Law Implemented:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000003">34-12-13</span></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0">.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0000002"> </span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0-000004"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0">    </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000001">References:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0"> </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000005">ASTM E84-23D</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">, 2010 edition, Standard Test Method for Surface Burning Characteristics of Building Materials. Copies may be obtained at </span><a href="https://www.astm.org/e0084-23d.html"><span class="s38ee9258-634d-4761-aaa0-a872808542e0C2">https://www.astm.org/e0084-23d.html</span></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">. Cost:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006"> $119.00</span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0-000004"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0000002"> </span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0-000004"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">    </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000005">NFPA 101 Life Safety Code,</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006"> 2012 edition, National Fire Protection Association. Copies may be obtained</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006"> at</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000007"> </span><a href="https://www.nfpa.org/Codes-and-Standards/All-Codes-and-Standards/List-of-Codes-and-Standards"></a><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">. Cost:</span><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000008"> </span><span class="s38ee9258-634d-4761-aaa0-a872808542e0C0-000006">$160.00.</span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0000002"> </span></p><p dir="ltr" class="s38ee9258-634d-4761-aaa0-a872808542e0P0"><span xml:space="preserve" class="s38ee9258-634d-4761-aaa0-a872808542e0000002"> </span></p></div></body></html>