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(2) A new technology ISTS will only be allowed for use with an existing residence when a <br /> standard system is not feasible or the provisions of this article are not feasible due to <br /> preexisting lot limitations. <br /> �tis...41.e..e e e«4n�.-n n4n.�a...-a n .n�e.�. .. .:.7...7 :.�4L:.. ..��1_ <br /> C R� . <br /> (3) When an existing ISTS is repaired or expanded,the system must be sized to treat the <br /> anticipated flow from the building,and the portions of the system that are repaired must <br /> become compliant or remain compliant according to this article. <br /> (4) Prior to any permits being issued for new construction,all ISTS sites must be completely <br /> enclosed in a durable four-foot blaze orange snow fence. The fence cannot be removed <br /> until permission is given from the on-site systems manager. <br /> (Ord.No. 199 2nd series, § 1(12.30(4)(C), (D)), 5-8-2000) <br /> Sec. 58-47.Building permit applications. <br /> (a) New residence. No building permit shall be issued for any new building that will be <br /> connected to an ISTS until a site evaluation and design is approved by the on-site systems manager. The <br /> site evaluation must include the identification of both primary and alternate drainfield sites suitable for a <br /> minimum of a five-bedroom residence. If the building will be connected to an existing system, a site <br /> evaluation and design must be approved by the city,including the existing system specifications and a <br /> future site meeting the provisions of this article. A new residence must be connected to an ISTS meeting <br /> the definition of a code system. <br /> (b) Required unQrade or replacement. A sewage ti-eatment svstem not meetin�the <br /> requirements of Minnesota Rules Chanter 7080 as amended or the reQuirements of this Ordinance <br /> whichever is more restrictive,must be up�raded at a minimum at anv time a buildin�nermit is reguired <br /> for an��improvements on or use of the prope subtect to the followin� <br /> (1)Anv such svstem for which the Citv has nreviouslv issued orders requirin�pgrade or <br /> renlacement of the svstem bv December 31 2007 shall not be subject to this requirement until Januar,y 1 <br /> 2008. <br /> (2)Anv such svstem for which the Citv has previously issued orders requiringtup ade or <br /> revlacement of the svstem bv December 31 2010 shall not be subject to this reauirement until Januar� <br /> 2011. <br /> �3)Reeardless whether previous uv�rade or renlacement orders have been issued this <br /> up�rade or replacement reauirement shall not applv when said buildin�permit is for reaular maintenance <br /> or unkeen includin�but not limited to replacement of inechanical equipment such as air conditionin� <br /> furnaces,water heaters,or water softeners or for re-roofing re-sidin�or window renlacement <br /> (�c) Construction of additional bedrooms or construction including water-using appliances <br /> that will increase the sewage flow into an ISTS. A building permit shall not be issued until the city <br /> confirms that the existing ISTS is compliant and of adequate size to treat the sewage flow from the <br /> building and that a future drainfield site is designed and preserved. If the existing ISTS must be repaired <br /> or replaced,an ISTS design for both the existing ISTS and a future drainfield site must be approved <br /> before issuing a building permit. If expansion or replacement of the ISTS is required,the ISTS must be <br /> installed and inspected before a certificate of occupancy shall be issued for the construction.Failure to <br /> identify satisfactory drainfield sites for the proposed sewage flow for use now as well as a future site shall <br /> result in the denial of the building permit application. <br /> Page 5 of 18 <br />