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111 S June 21, 1995 <br /> File: 230-270-11 <br /> CONSULTING ENGINEERS <br /> Mr. Gary Schmitz <br /> 1326 Energy Park Drive Planning Assistant <br /> St.Paul,MN 55108 City of Elk River <br /> 612-644-4389 13065 Orono Parkway <br /> 1-800-888-2923 P.O. Box 490 <br /> Fax:612-644-9446 Elk River, MN 55330 <br /> RE: WEATHERWOOD SUBDIVISION REVIEW <br /> Dear Mr. Schmitz: <br /> As requested, we have reviewed the submittal for the Weatherwood proposed plat. The <br /> submittal consisted of a one sheet Grading and Drainage Plan signed by Ken Gus and James <br /> Kyro. The plan was dated May 1995. Based on input from the concept review meeting held <br /> on June 13, 1995, and the follow-up meeting with the Developers on June 16, 1995, we <br /> would offer the following comments. <br /> CIVIL ENGINEERING <br /> ENVIRONMENTAL 1. The entrance road at the west end off of Zebulon Street causes the existing structures <br /> WAUNICIPAL on the exception to the plat to not meet building setbacks. It is recommended that the <br /> NNING road alignment be pushed further to the north in order to provide adequate setback <br /> SOLID WASTE distances for these existing structures. <br /> STRUCTURAL <br /> SURVEYING 2. Since this project is a rural subdivision, each lot should be able to support two septic <br /> TRAFFIC systems. The idea behind this is if the original system fails, a new system cannot be <br /> TRANSPORTATION built in that location; therefore, in order to upgrade a failed system a new site must <br /> be provided. It is questionable whether all lots in this plat can support two on-site <br /> ELECTRICAL/MECHANICAL <br /> ENGINEERING: septic systems in addition to a house pad. Some of the questionable lots would be <br /> HVAC Lot 3 Block 3, which has a treatment pond, ditch easement, and wetland all included <br /> POWER DISTRIBUTION within its boundaries. Another questionable lot would be Lot 6 Block 3, which has <br /> SCADA a relatively steep hill which makes it difficult to build conventional on-site sewage <br /> SYSTEM CONTROLS systems. We would recommend that the Developers show on each lot the locations <br /> for the proposed on-site septic systems in addition to the building site. In many <br /> cases, there will be some flexibility where these can be relocated in the future, but <br /> on some of these severely restricted lots it is important to demonstrate the ability to <br /> make the lot buildable prior to the plat being filed. <br /> In follow-up to this, we would also recommend that the City require soil borings on <br /> some of the lots which may be questionable relative to water table for the <br /> construction of an on-site sewage system. The Building and Zoning Department <br /> WFFICES IN: should be able to identify some typical lots in which the Developers could provide <br /> INNEAPOLIS soil boring information. This information would be valuable to the home builders in <br /> PRIOR LAKE the future as long as the septic system is proposed to be built in relatively the same <br /> ST.PAUL location as the soil boring. <br /> WASECA <br />