<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.sa069e767-4837-43ff-9f22-e362dfd98e7fP0 { margin-top: 0; line-height: 12.0pt; 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; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7f000002 { color: black; background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000004 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000006 { color: black; background: white; font-family: Times; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sa069e767-4837-43ff-9f22-e362dfd98e7fC2 { color: #0000FF; background: white; font-family: Times; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=44:75:13:22"><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000000">44:75:13:22</span></a><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001">.  Steam and hot water systems.</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">A facility</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> shall have the capacity to supply </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">steam and hot water to meet </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">the normal requirements of all </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">the facility's </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">systems and equipment. Supply and return mains and risers of space heating and process steam systems </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">must</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> be valved to isolate the various sections of each system. Each piece of equipment </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">must</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> be valved at the supply and return end. Boilers, smoke breeching, steam supply piping, high pressure steam return piping, and hot water space heating supply and return piping </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">must</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> be insulated with insulation having a flame spread </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">index </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">of </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">twenty-five</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> or less and a smoke emission rating of </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">fifty</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> or less using </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">ASTM E84-23D, 2010</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> edition, Standard </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">Test </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">Method for Surface Burning Characteristics of Building Materials or equivalent test procedures.</span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7f000002"> </span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">    </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001">Source:</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> 42 SDR 51, effective October 13, 2015</span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">; 50 SDR 62, effective November 27, 2023; 51 SDR 53, effective November 11, 2024</span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">.</span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">    </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001">General Authority:</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000003">34-12-13</span></a><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">.</span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">    </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001">Law Implemented:</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000003">34-12-13</span></a><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">.</span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7f000002"> </span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0">    </span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000001">Reference: </span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000004">ASTM E84-23D</span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005">, 2010</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005"> edition, Standard</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000006"> Test</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005"> Method for Surface Burning Characteristics of Building Materials. Copies may be obtained at</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005"> </span><a href="https://www.astm.org/e0084-23d.html"><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC2">https://www.astm.org/e0084-23d.html</span></a><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005">. Cost:</span><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005"> $119.00</span><span class="sa069e767-4837-43ff-9f22-e362dfd98e7fC0-000005">.</span></p><p dir="ltr" class="sa069e767-4837-43ff-9f22-e362dfd98e7fP0"><span xml:space="preserve" class="sa069e767-4837-43ff-9f22-e362dfd98e7f000002"> </span></p></div></body></html>