<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <title>Rule 74:29:11:23 Pond and surface impoundment design and construction requirements.</title> <META NAME="Keywords" Content="Administrative Rules 74:29:11:23"> <META NAME="Description" Content="Administrative Rules 74:29:11:23 Pond and surface impoundment design and construction requirements."> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link rel=File-List href="7429110002300d_files/filelist.xml"> <title>CHAPTER 74:29:11</title> <!--[if gte mso 9]><xml> <o:DocumentProperties> <o:Author>lrpr14533</o:Author> <o:LastAuthor>lrpr14296</o:LastAuthor> <o:Revision>2</o:Revision> <o:TotalTime>35</o:TotalTime> <o:LastPrinted>2007-04-10T16:16:00Z</o:LastPrinted> <o:Created>2007-04-17T13:22:00Z</o:Created> <o:LastSaved>2007-04-17T13:22:00Z</o:LastSaved> <o:Pages>2</o:Pages> <o:Words>744</o:Words> <o:Characters>4241</o:Characters> <o:Company>State of South Dakota</o:Company> <o:Lines>35</o:Lines> <o:Paragraphs>9</o:Paragraphs> <o:CharactersWithSpaces>4976</o:CharactersWithSpaces> <o:Version>10.6825</o:Version> </o:DocumentProperties> </xml><![endif]--><!--[if gte mso 9]><xml> <w:WordDocument> <w:GrammarState>Clean</w:GrammarState> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--> <style> <!-- /* Font Definitions */ @font-face {font-family:Tahoma; 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mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]--><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1026"/> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1"/> </o:shapelayout></xml><![endif]--> </head> <body lang=EN-US style='tab-interval:.5in'> <div class=Section1> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'>74:29:11:23.<span class=GramE>&nbsp;&nbsp;Pond</span> and surface impoundment design and construction requirements.</b> The following design and construction requirements apply to ponds and surface impoundments:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(1)&nbsp;&nbsp;General design and construction requirements include:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(a)&nbsp;&nbsp;A geotechnical and stability analysis shall be performed to determine the suitability of the site and materials for construction;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(b)&nbsp;&nbsp;A minimum of three feet of freeboard;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(c)&nbsp;&nbsp;Maximum side slopes of 3 horizontal to 1 vertical;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(d)&nbsp;&nbsp;A minimum bottom slope of 2 percent;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(e)&nbsp;&nbsp;Provisions for migratory bird and wildlife protection; and<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(f)&nbsp;&nbsp;A minimum capacity of normal operating levels plus storage for a 100-year, 24-hour storm event;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(2)&nbsp;&nbsp;If ponds or surface impoundments are to contain fluids that have the potential to pollute surface or ground water, double liner systems must be incorporated into their design. The liners shall be separated by a leak detection, collection, and recovery system. The bottom liner shall be a composite liner, either consisting of an upper geomembrane liner and a lower compacted soil liner, or of a geosynthetic clay liner. Liner systems must be constructed of materials that have the strength, thickness, and chemical properties needed to prevent failure due to pressure gradients, physical contact with the waste or fluids to which the liners are exposed, climatic conditions, stress of installation, and stress of daily operation;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(3)&nbsp;&nbsp;Geomembrane and soil layer composite secondary liner design and construction requirements include, at a minimum:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(a)&nbsp;&nbsp;The soil liner shall have a compacted maximum coefficient of permeability of 1 x 10</span><sup><span style='font-size:12.0pt;font-family:"Times New Roman"'>-7</span></sup><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'> centimeters per second. The department may require a test pad to document field permeability. The applicant shall use field testing methods approved by the department and shall take an undisturbed sample for laboratory comparison of field values;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(b)&nbsp;&nbsp;The soil liner shall have a one-foot compacted thickness placed in six-inch scarified and compacted lifts with no materials greater than three inches in diameter;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(c)&nbsp;&nbsp;The soil liner shall meet compaction specifications equivalent to 95 percent standard proctor density with a moisture content of 0 to 6 percent of optimum moisture; and<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(d)&nbsp;&nbsp;The geomembrane and soil liner shall be in direct contact, with minimal void spaces, to minimize lateral flow of liquids at the geomembrane/soil liner interface;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(4)&nbsp;&nbsp;Geosynthetic clay composite secondary liner design and construction requirements include, at a minimum:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(a)&nbsp;&nbsp;For bentonite clay encapsulated by geotextile layers, the geosynthetic clay liner shall be overlain by a geosynthetic liner. The geosynthetic liner shall have a minimum 60 mil thickness;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(b)&nbsp;&nbsp;For bentonite clay bonded to a geomembrane liner, the geomembrane liner shall have a minimum 60 mil thickness. During installation, the geomembrane will be the upper layer of the composite liner; and<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(c)&nbsp;&nbsp;Installation of geosynthetic clay liners must be consistent with the manufacturer's specifications and recommendations;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(5)&nbsp;&nbsp;Geomembrane liner design and construction requirements include, at a minimum:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(a)&nbsp;&nbsp;The primary or uppermost liner shall have an 80 mil thickness, and the secondary or bottom geomembrane shall have a 60 mil thickness;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(b)&nbsp;&nbsp;Geomembrane liners shall be compatible with the fluids to be contained;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(c)&nbsp;&nbsp;Geomembranes shall have a life expectancy longer than the life of the facility; and<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(d)&nbsp;&nbsp;Installation of geomembrane liners must be consistent with the manufacturer's specifications and recommendations;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(6)&nbsp;&nbsp;Leak detection, collection, and recovery system design and construction requirements include, at a minimum:<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(a)&nbsp;&nbsp;The system shall be designed to collect and rapidly remove fluids to minimize hydraulic head on the secondary liner;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(b)&nbsp;&nbsp;The system shall consist of a drain layer of clean sand or gravel, or a geonet drainage product. The system shall be constructed of materials chemically resistant to the fluids contained in the pond or impoundment;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(c)&nbsp;&nbsp;The system shall have a minimum hydraulic conductivity of 0.01 centimeters per second;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(d)&nbsp;&nbsp;The drain layer shall cover the entire pond or impoundment if possible, but at a minimum must cover the pond or impoundment to the high water mark;<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(e)&nbsp;&nbsp;The system shall be capable of draining fluids to a collection gallery for recovery. If the collection gallery is not free draining, it will need to be continuously pumped to minimize hydraulic head on the secondary liner; and<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(f)&nbsp;&nbsp;The permit application must include a leakage response plan detailing actions that will be taken in response to the detection of liner system leakage including notification, reporting, monitoring, and repair.<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Alternative impoundment lining systems may be approved if they provide an equivalent degree of protection to surface and ground water.<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'>Source:</b> 33 SDR 160, effective April 17, 2007.<o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'>General Authority:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-81">45-6B-81.</A><o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'>Law Implemented:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-41">45-6B-41.</A><o:p></o:p></span></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p> </div> </body> </html>