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Geothermal Rules <br />Effective Date: September 30, 2004 <br />is under the jurisdiction and authority of the State Board of Examiners of Water Well <br />Construction and Pump Installation Contractors. <br />8.2.1 Licensed Contractor Required - All well construction, repair, <br />modification or plugging and all installation, repair or modification of producing <br />equipment for a Type A -OS well shall be performed by a licensed contractor, a direct <br />employee of a licensed contractor, or a person under the continuous on -site supervision <br />of a licensed contractor having a valid license issued by the State Board of Examiners <br />of Water Well Construction and Pump Installation Contractors. <br />8.2.2 Compliance with Water Well Construction Rules - Well construction <br />and the installation of production equipment in a Type A -OS well shall conform, at a <br />minimum, with the well construction, pump installation, well plugging, and disinfection <br />standards of the Water Well Construction Rules, 2 CCR 402-2, and shall comply with <br />any additional standards specifically established by these Geothermal Rules or <br />specified in the conditions of approval stated on a valid geothermal well permit issued <br />by the State Engineer. <br />8.2.3 Well Head and Protection Equipment - When temperatures greater <br />than one hundred and twenty (120) degrees Fahrenheit or flowing conditions are <br />encountered during the construction of a Type A -OS well, the owner or operator shall <br />install and maintain in good working order blowout preventers and equipment to prevent <br />the uncontrolled flow of fluid, and shall provide protective equipment for on -site <br />personnel. <br />8.3 Construction Materials for Type A-CLH and Type A-CLV Wells - Construction <br />materials to be buried below the ground surface or submerged in water for the <br />construction of a loop field for a geoexchange system shall, at a minimum, meet the <br />standards of these Rules. Where geologic, hydrologic, or thermal conditions require the <br />use of materials exceeding the standards of these Rules, the certified individual shall be <br />responsible for ensuring that the proper materials are used to protect the public health, <br />ground water resources, and the environment. <br />8.3.1 The circulating pipes installed below ground level shall consist of high <br />density polyethylene (HDPE) pipe meeting the standards specified in Section 1 of the <br />International Ground Source Heat Pump Association, Oklahoma State University, <br />publication "Closed-Loop/Geothermal Heat Pump Systems: Design and Installation <br />Standards 2000", or vinyl coated copper tubing specifically designed for use in <br />geothermal applications. <br />8.3.1.1 All buried HDPE connections, joints and fittings shall be heat <br />fused in accordance with the manufacturer's specifications. Copper tubing shall be <br />brazed utilizing the nitrogen brazing technique or as otherwise specified by the <br />manufacturer. Testing shall be accomplished as specified in Rule 8.6. <br />19 <br />