<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.s48c44887-9f85-4e41-9dec-ca782253017bP0 { 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.s48c44887-9f85-4e41-9dec-ca782253017bC0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017b000002 { color: black; background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000004 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000005 { color: black; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC0-000006 { color: black; background: white; font-family: Times; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s48c44887-9f85-4e41-9dec-ca782253017bC2 { 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="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=44:70:10:20"><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000000">44:70:10:20</span></a><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000001">.  Steam and hot water systems.</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> Boilers </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">must</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> have the capacity to supply the normal requirements of all </span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">of the facility's </span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">systems and equipment. Supply and return mains and risers of space heating and process steam systems </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">must</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> be valved to isolate the various sections of each system. Each piece of equipment </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">must</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> 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="s48c44887-9f85-4e41-9dec-ca782253017bC0">must</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> be insulated with insulation having a flame spread </span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">index </span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">of </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">twenty-five</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> or less and a smoke emission rating of </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">fifty</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> or less using </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">ASTM E84-23D</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">, 20</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">10</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> edition, Standard </span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">Test </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">Method for Surface Burning Characteristics of Building Materials</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">,</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> or equivalent test procedures.</span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017b000002"> </span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">    </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000001">Source:</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> 38 SDR 115, effective January 9, 2012; 46 SDR 65, effective November 26, 2019</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">; 50 SDR 19, effective August 30, 2023; 51 SDR 53, effective November 11, 2024</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">.</span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">    </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000001">General Authority:</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000003">34-12-13</span></a><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">.</span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">    </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000001">Law Implemented:</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-12-13"><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000003">34-12-13</span></a><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0">.</span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017b000002"> </span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0">    </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000001">Reference:</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004"> </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000005">ASTM E84-23D</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004">, 2010 edition, Standard Test Method for Surface Burning Characteristics of Building Materials. Copies may be obtained </span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004">at</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000006"> </span><a href="https://www.astm.org/e0084-23d.html"><span class="s48c44887-9f85-4e41-9dec-ca782253017bC2">https://www.astm.org/e0084-23d.html</span></a><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004">. Cost:</span><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004"> $119.00</span><span class="s48c44887-9f85-4e41-9dec-ca782253017bC0-000004">.</span></p><p dir="ltr" class="s48c44887-9f85-4e41-9dec-ca782253017bP0"><span xml:space="preserve" class="s48c44887-9f85-4e41-9dec-ca782253017b000002"> </span></p></div></body></html>