<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.sd30898ab-945e-4c0c-ab8b-15182481bb5aP0 { 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.sd30898ab-945e-4c0c-ab8b-15182481bb5aC0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sd30898ab-945e-4c0c-ab8b-15182481bb5a000002 { color: black; background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004 { color: black; background: white; font-family: Times; font-size: 10pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } p.sd30898ab-945e-4c0c-ab8b-15182481bb5aP0-000005 { margin-top: 0; margin-bottom: 0; margin-left: 1.40in; margin-right: 0; text-indent: -1.40in; text-align: justify; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; line-height: 108%; } p.sd30898ab-945e-4c0c-ab8b-15182481bb5aP1 { margin-top: 0; margin-bottom: 0; margin-left: 1.40in; margin-right: 0; text-indent: -1.40in; text-align: justify; background: white; font-family: Times; font-size: 12pt; line-height: 108%; } </style></head><body><div><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=61:08:05:17"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000000">61:08:05:17</span></a><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">.  Computation of maximum allowable working pressure -- Nonstandard boilers.</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> Nonstandard boilers with welded seams may not be operated at pressures exceeding </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">fifteen</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> psig for steam or </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">thirty</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> psig for water. The maximum allowable working pressure for </span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">a </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">nonstandard boiler with</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">out</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> welded seams </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">must</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> be computed according to the following formula:</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    (1)  The maximum allowable working pressure for nonstandard boilers is a function of the strength of the weakest section of the structure. Th</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">e</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> strength </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">is</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> computed by multiplying the ultimate tensile strength of </span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">the </span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">shell plate, psig, by the minimum thickness of the weakest course of shell plate, in inches. This sum is then multiplied by the efficiency of the longitudinal joint as specified by subdivision (2) of this section. The result of this calculation is then divided by the product of the inside radius of the weakest course of the shell or drum, in inches, multiplied by the factor of safety permitted by § </span><a href="https://sdlegislature.gov/Rules?Rule=61:08:05:17.04"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003">61:08:05:17.04</span></a><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">. The final result of this calculation indicates the maximum allowable working pressure in psig</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">;</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    (2)  When stated symbolically</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">,</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> this formula read</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">s</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">:</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                TStE</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">=</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">maximum allowable working pressure, psig</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                RFS</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">            where:</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                TS</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">=</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">ultimate tensile strength of shell plates, psig.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                t</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">=</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">minimum thickness of shell plate, in weakest course, in inches.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                E = efficiency of longitudinal joint:</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0-000005"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                    For tube ligaments, E </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">is</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> determined by the rules given in </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">s</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">ection I of the ASME </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">Boiler and Pressure Vessel C</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">ode</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">, July 1, 2021</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0-000005"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP1"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                    For riveted construction refer to </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">the ASME</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> Boiler and Pressure Vessel Code, </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">July 1, 2021</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                    For seamless construction, E is considered </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">one hundred</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> percent.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                R</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">=</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">inside radius of the weakest course of the shell, in inches.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">                FS</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">=</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000004"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">factor of safety permitted.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">Source:</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> SL 1975, ch 16, § 1; 8 SDR 87, 8 SDR 134, effective July 1, 1982; 12 SDR 151, 12 SDR 155, effective July 1, 1986; 30 SDR 48, effective October 16, 2003</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">; 50 SDR 47, effective October 16, 2023</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">General Authority:</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-29A-16"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003">34-29A-16</span></a><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">Law Implemented:</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34-29A-16"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003">34-29A-16</span></a><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34-29A-22"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003">34-29A-22</span></a><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34-29A-24"><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000003">34-29A-24</span></a><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">    </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">Reference:</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">A</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">MSE </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0-000001">Boiler and Pressure Vessel Code</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">, </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">July 1, 2021, edition, sections I,</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> IV</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">,</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> and IX</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0"> Copies may be obtained from the American Society of Mechanical Engineers, </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">Two Park Avenue, New York, NY 10016</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">. Section I</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">, $508; section I</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">V, $</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">517</span><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">; </span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">s</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">ection IX, $</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">588</span><span class="sd30898ab-945e-4c0c-ab8b-15182481bb5aC0">.</span></p><p dir="ltr" class="sd30898ab-945e-4c0c-ab8b-15182481bb5aP0"><span xml:space="preserve" class="sd30898ab-945e-4c0c-ab8b-15182481bb5a000002"> </span></p></div></body></html>