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To: Jeanne A. Mabusth, Building & Zoning Administrator <br /> From: Michael P. Gaffron, Asst Planning & Zoning Administrator <br /> Date: May 5, 1989 <br /> Subject: #1405 Thomas G. Colwell, 2640 North Shore Drive - <br /> Proposed Preliminary Plat - Site Evaluation Review <br /> Having reviewed the site evaluation submitted for the above <br /> referenced plat, I would make the following comments : <br /> 1. Testing was done by SP Testing Inc. Primary and <br /> alternate sites were located on Lot 1, Block 1, and Lot 3, <br /> Block 1. A single site was tested on Lot 2, Block 1. <br /> 2. Lot 2 contains the existing residence known as 2640 <br /> North Shore Drive. That residence has had a failing septic <br /> system since at least 1986. Since that system has never <br /> been repaired, the tested site will have to be used <br /> immediately. A new alternate site should be tested as part <br /> of this subdivision process. There appears to be ample area <br /> just north of the proposed primary site to support an <br /> alternate site. <br /> 3. The proposed drainfield sites on Lot 1 contain suitable <br /> soil conditions for a standard trench drainfield system. <br /> The primary and alternate sites are adjacent to each other. <br /> Adequate setbacks are maintained from both the proposed lot <br /> lines and from the existing wetland. <br /> Note that Lot 1 abuts Old Crystal Bay Road, and apparently <br /> is intended to gain access to Old Crystal Bay Road via a <br /> driveway 800' in length. There are two municipal sewer <br /> stubs available to Lot 1 at Old Crystal Bay Road, however, <br /> it is my understanding in discussions with the site <br /> evaluator and surveyor that it will be more cost effective <br /> and less disruptive to construct a septic system than to <br /> attempt to make this extremely long connection. <br /> 4. The primary and alternate sites on Lot 3 are near the <br /> :1,017 <br /> north end of that lot, and would require mound systems due <br /> to a seasonally high water table located as near as 32" <br /> below the surface. The primary and alternate sites are <br /> adjacent to each other on a slope of 4-6%. Ample room <br /> remains for location of a fairly large residence with the <br /> typical amenities on the 2+ dry buildable acres in this lot. <br /> 5. Similarly, the primary tested site on Lot 2 requires a <br /> mound system. This site is located at the southerly end of <br /> the lot, on a slope of 3-6%. There is no conflict with the <br /> existing well, and I would anticipate that testing will find <br /> a suitable alternate site directly north of the proposed <br /> primary site. <br />