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4. Repair or replacement of the line from the building to the septic tank. <br /> D. All permits issued for construction or repair of an ISTS shall meet the following <br /> standards: <br /> 1. A new ISTS shall be designed and constructed as a "Standard System" in <br /> accordance with Minnesota Rules Chapter 7080 and meet the provisions in this section. "New <br /> Technology" designs meeting the Minnesota Rules 7080.0400 may be used when two future <br /> drainfield sites meeting the requirements of a"Standard System"are approved and preserved as per <br /> the provisions in this Section. <br /> 2. A "New Technology" ISTS will only be allowed for use with an existing <br /> residence when a"Standard System" or the provisions in this Section are not feasible due to pre- <br /> existing lot limitations or when a future drainfield site is approved and preserved meeting the <br /> requirements for a"Standard System" as per the provisions in this Section. <br /> 3. When an existing ISTS is repaired or expanded,the system must be sized to <br /> treat the anticipated flow from the building and the portions of the system that are repaired must <br /> become compliant or remain compliant according to this Section. <br /> 4. Prior to any permits being issued for new construction,all ISTS sites must be <br /> completely enclosed in a durable four (4) foot blaze orange snow fence. The fence cannot be <br /> removed until permission is given from the On-Site Systems Manager. <br /> E. Variances. The On-Site Systems Manager may grant variances to the provisions of <br /> this Section due to unnecessary or unintended hardship to the owner that are not <br /> contrary to the intent and purpose of this section or other applicable law. Variance applications shall <br /> be reviewed by the On-Site Systems Manager upon written request of the owner or the owner's <br /> agent. <br /> 1. Variance applications must include complete soil testing and ISTS design in <br /> accordance with this section including the identification of any site limitations leading to the <br /> variance request. <br /> 2. Variances shall be approved,conditionally approved or rejected in writing by <br /> City Staff. The owner shall pay all costs incurred by the City in the review of the proposal. <br /> 3. Variance approvals shall be subject to all conditions established by the City <br /> at the time of approval and thereafter. <br /> 4. Any variance application may be referred to the City Council for review by <br /> the On-Site Systems Manager. <br /> Page 5 of 17 <br />