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Roger Olson, Rko Builders October 12, 1998 Page 2 The roof vents are somewhat obstructed but where installed per code. The septic system on this property has been inspected by the City several times since the system installation. Due to saturated soils at the base of the mound, we asked you to regrade the yard to drain surface water away from the mound as well as the septic tanks. The work was completed and some of the excess soil was placed at the base of the mound because it was a low spot in the yard which collected drainage water. Recent inspections of the system indicate that it is functioning property. The homeowner claims that the system is not compliant and must be replaced. As per my previous letters,the system may not be sized to the exact dimensions on the system designs, but it does appear to meet the minimum standards set forth in the Minnesota Rules,Chapter 7080 and the Orono Municipal Code. It may be beneficial to add more sand to the base of the mound, but it could also be a detriment as the sand and topsoil must be carefully matched to the existing materials and the addition must be given time to settle prior to heavy doses of sewage being added in these areas. As the system is functioning properly and meets the City and State standards, we recommend no changes be made to the system at this time. Therefore, the only issues for you to correct are the front stoop and the chalking. These must be corrected before 10-26-98 to prevent legal action. If you have any questions please feel free to contact me at my office. S' rel , Lyl Oman Building Official LO/jlg cc: Bruce L. Vang,Field Inspector Steve Weckman, On-Site System Manager Mike&Lori Ame, 125 Truffula Trail, Orono, MN 55356 encl: Uniform Building Code 109.1 Letter from Masonry Contractor 10-8-97 letter from City of Orono signed by Roger Olson