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, 2335 Highway 36 W St. Paul,MN 55113 Tel 651-636�600 Fax 651-636-1311 www.bonestroo.com February 7, 2011 �Bonestroo Melanie Curtis Planning and Zoning Coordinator City of Orono Post Office Box 66 Crystal Bay, MN 55323 Re: 3095 North Shore Drive File No. 000139-11000-1 File No. 2011-00005 Dear Melanie: We have reviewed the response from the applicant's engineer regarding our 2-4-11 comments for the proposed home construction and grading at 3095 North Shore Drive. We have the following reply to the copied responses below. 1. We could locate the manholes in the street and if the city has record plans they may show a location for the service to the property line but between the street and the existing home, I don't know how someone would determine where the existing service line is. I also don't know at this point whether they plan to try to reuse the existing service or put in a new one. If they are putting in a new one we could certainly show a new line down the driveway and into the new home and starting at where the service line should be per the record plans. Response: The reco�d plan is attached and shows both the sewer main and service. A new service line would need to be field re�iewed with public works staff prior to its installation. The existing line would need to be properly abandoneo! 2. We could revisit the site and locate any trees in the 50 foot overlap area and show them to help evaluate how the proposed grading might impact any trees on the neighbor's property. Response: Yes,please include this in the next submiftal. 3. The current topography does extend to 50 feet from the property lines on both sides. We could provide a little more detail in the relatively flat area in front of the neighbor's garage. I asked the city for a copy of the survey submitted when the home on the lot to the southwest was built(in 1989) and they sent it to me this afternoon. I notice two things: (1)There is a high point shown on their grading plan in the saddle in the driveway in front of the garage and it would be good to determine how that wound up being built. That provides an emergency overFlow to the south to a culvert near the neighbor's south line. (2) The topography shown on the grading plan attached by Lot Surveys Company indicates that before this house was built, there was no low spot on our site near the property line but the water just flowed across the site. It may be that there topography was inaccurate or that it was accurate but in the course of building the home, some sand (I understand that the soils on our site are sandy) was borrowed from our site for use as fill on the new home.