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S-1 TESTING INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> FAX (612) 497-5011 <br /> State License#394 <br /> July 27, 1999 <br /> Garnett Residence <br /> 450 &480 Orono Orchard Rd. <br /> Orono, Henn. Co., MN <br /> A preliminary site evaluation was completed for a possible Sub-Division for this property. <br /> This property has very limited space for placing on-site sewage treatment systems due <br /> to steeper slopes and wetland. Soil probing throughout the property indicates a <br /> pressurized mound system will need to be used. City code requires a maximum slope of <br /> 6% for mound systems. The only area available for systems are on a high point along <br /> the north property line which has slopes of approximately 8%. Using this area would <br /> require the City of Orono to change their maximum slope code. The house location <br /> would need to be in the northeast corner of the property. <br /> A future on-site sewage treatment system site for the existing house would be along <br /> Orono Orchard Road just south of the existing system. <br /> Prior to the Sub-Division, the sites would need to be verified with a complete site <br /> evaluation, soil borings, percolation tests and a design for a 5 bedroom home and the <br /> city would need to change their code. <br /> • SL-.— <br /> teven B. Schirmers <br /> 1 <br />