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0AR-1 7-'9? W E=- D 19 : I-- MAIER STEW ART P_ ASSOC. P - 0 <br />rii0i��i <br />March 16, 1993 <br />File: 230-167-11 <br />CONSULTING ENGINEERS <br />Maier Stewart & Associates Inc. <br />Mr. Steve Rohlf <br />Building and Zoning Administrator <br />City of Elk River <br />720 Dodge Avenue NW <br />Elk River, MN 55330 <br />Dear Mr. Rohlf. <br />As requested, we have reviewed the submittal for Hilltop Woods Estates. Based on our review, <br />we would offer the following comments: <br />I The preliminary plat and grading and drainage plan were prepared by John Oliver and <br />Associates, and were dated March 1l, 1993. <br />2. The plat Contains approximately 17 acres zoned Rla (single family residential). It is <br />proposed to be divided into six lots. <br />3. The plat is outside of the City's urban service area; therefore, each lot will be served by <br />on-site sewer facilities and individual wells. No soil borings were submitted. However, <br />the area appears to have sufficient high ground to support the on-site sewer facilities. <br />4. The vertical and horizontal alignment of the road with County Roads 32 and 72 is very <br />poor. The horizontal alignment needs to be reviewed with the County relative to the <br />potential realignment of County Road 72 to create a more perpendicular intersection. <br />The street grade approaching County Road 32 is relatively steep (5%). An effort should <br />be made to provide a less steep "landing" area for stopping adjacent to County Road 32. <br />5. The street section shown is 30 feet wide with integral bituminous berm. The section <br />needs to be widened to 32 feet to meet the City typical section. The street section is <br />proposed with four inches of aggregate base and two inches of bituminous surfacing. It <br />is recommended this be increased to a minimum of five inches of aggregate base and two <br />0 1 lifts of bituminous surfacing totalling at least three inches. <br />6. The proposed road construction ends short of the north plat boundary; however, the <br />fight -of -way continues to the north end. Also, it is proposed to construct a gravel road <br />bed for future road purposes to the north plat boundary. A full-sized 45 foot radius cut- <br />