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Effective April 28, 2015 Chapter Four Subsurface Sewage Treatment System Regulations <br />9.10 Qualifications. <br />All soil testing shall be conducted in accordance with the requirements of this Chapter and shall be conducted by <br />appropriately licensed businesses and certified individuals in accordance with Minnesota Rules, Chapter 7083. <br />9.11 Site Protection. <br />Prior to and during construction or lot improvements, the proposed initial and replacement soil treatment and <br />dispersal areas shall be protected from disturbance, compaction, or other damage by use of stakes and silt fence or <br />snow fence. <br />9.12 Utilities. <br />Underground utilities must be located before soil observations are undertaken. Required safety precautions must be <br />taken before entering soil observation pits. <br />9.13 Mound soil testing. <br />Where soil tests require a mound, testing and design must clearly show suitable area for installation of two (2) <br />complete mounds. Where site conditions are such that the only backup mound will likely be disturbed, the <br />Department, at its discretion, may require both mounds to be constructed at once. <br />9.14 Compliance. <br />Designs for new construction or replacement SSTS must comply with all applicable requirements and any other <br />applicable codes, rules, and laws. <br />9.15 Phase II Reporting. <br />Phase II design reports must include detailed drawings, design flows, system component sizing and calculations, <br />hydraulic and organic loading rates, setbacks, location and elevations for construction, and management plans as <br />described in Section 22.1, and a certified statement. <br />38 Washington County Development Code <br />