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y ■ Vi <br />(T <br />^ t Bonestroo <br />Sm Rosene <br />Anderlik& <br />AssodaCes <br />Engingert t Architects <br />2335 West Highway 36 • St Paul, MN 55113 <br />Office: 651-636-4600 • Fax; 65I-636-I3II <br />wwwisonestroo.com <br />November 21.2005 <br />MikeGefffon <br />Planning Director <br />CHyof Orono <br />Post Office Box 66 <br />Crystal Bay, MN 55323 <br />• : * f» n• - ynos <br />Giendaie Cove (177 Glendaie Drive/igo WNiow Drive North) <br />Fiie No. 000139-05000-0 <br />Plat No. 05-3131 <br />Dear Mike; <br />We have rev ie wed the revised preliminary plat and revised preliminary grading and drainage plansdatedll- <br />17-05 for the proposed 10-lot residential subdivision. The site is located in the souttieast quadrant of the <br />Intersection of Gleridale Drive and Willow Drive North. We have the following comments as it relates to <br />engineering matters. <br />1. Aeoeaa/Streeta: A geotechnical report, R-value recommendation and pavement design was not suKmitted. <br />This will need to be submitted for review and approval. Final plans should include all applicable '-iandard <br />details for street construction. All driveway grades shall be 10% or less. <br />2. Gradirtg and Erosion Control: Final plans will need to include a Storm Water Pollution Prevention Plan in <br />accordance with Minnesota Pollution Control Association rules. The street elevations proposed along the <br />church side across from Lots 8 and 9 still show damming water on the church property. The plans will need to <br />be revised to indude storm sewer to serve the church property or the street grades will need to be revised. <br />The plans should also include weUarKl mitigation information for the pioposed wetland impacts. <br />3. Sanitary Sewer/Waler Main: Final plans will need to include a detailed sanitary sewer design. Plan and <br />prctHe views should be provided for all proposed sanitary sewer improvements. The water main extension <br />from Long Lake should be looped to the existing Orono system to the north. A water main stub should be <br />provided on the west side of Willow Drive across from the proposed road for possible future service to Elm <br />Drive. <br />4. Storm Sewer/Oralnaga: Drainage area maps and drainage calculations will need to be submitted for <br />review and approval. Plans should be submitted to Minnehaha Creek Watershed District for review and <br />approval. Final plans should include storm sewer calculations and detailed storm sewer design including plan <br />and profile views of all proposed storm sewer improvements. The final storm water pond design shall meet <br />NURP standards. <br />If you have any questions please call me at (651) 604-4863. <br />Yours very truly, <br />BONESTRCX), RGSENE, ANDERLIK & ASSOCIAtES. INC. <br />Tom <br />Cc: OregG^jpa.Cky of Orono <br />SL Paul, S(. Cloud, Rochester, MN • Milwaukee, Wl ■ Chicago. IL <br />AHkmmUm Aukmn/M^iiut OpparmtiHy twpiMyy liMpiMyEt QwmmA