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o � o CITY of ORONO ti Municipal Offices Street Address: Mailing Address: �` Egg04� 2750 Kelley Parkway P.O. Box 66 Orono, MN 55356 Crystal Bay, MN 55323-0066 January 22 1998 Mike Arne 125 Truffula Trail Orono MN 55356 Re: Roof Leak Dear Mike, On this date you requested the City of Orono to investigate a roof leak on your home. Bruce Vang and myself visited the site and looked at the interior and exterior of the home. We feel the leak was caused by a problem with the construction of the roof and flashings. The area of the problem requires special attention due to the design of the roof which directs water from large roof areas to areas that require the water to go around corners. On these corners are 2 inch thick corner trim pieces that are tight against the roof. It appears that as the water is attempting to make these corners it is being held up by the corner trim. In the winter snow melting on the roof runs to the corners and also gets held up and causes small ice dams as it refreezes. The volumes of water in the summer and the ice backing up in the winter is jumping the flashing and causing the leaks. We feel that these corner trim boards should be trimmed up to provide at least an inch of clearance to allow the water to run through. At this time the flashing should be investigated in these corners to make sure they were installed properly. In some cases a one piece corner flashing may be appropriate to prevent ice backup in these difficult locations. It is the cities position that the builder is responsible for the work required to remedy this problem. Bruce and myself would be happy to meet on site to discuss the repair. If you have any further questions or if we can be of further assistance please feel free to contact me at my office. Sincerely Lyle Oman, Building Official cc: Bruce Vang Telephone (612) 473-7357 • FAX 473-0510