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l/leonestroo <br />^^Rosene <br />vSAnderlik& <br />|\|| Associates <br />Engineers & Architects <br />August 14, 2000 <br />Mr. Paul Weinberger <br />Zoning Administrator/Planncr <br />City of Orono <br />Post OfTice Box 66 <br />Crystal Bay. MN SS323 <br />Re: Van Eeckhout Subdivision <br />File No. 139-2550 <br />Dear Paul: <br />We have reviewed the revised preliminary plat for the proposed seven lot Van Eeckhout subdivision. The site is locai^ <br />east of South Biowo Road, south of Long Lake and north of the Luce Line ttail in the northeast quarter of Sccuon 3. We <br />have the following conunents in regards to engineering matters. <br />1. Access/Strecls: The proposed access to the site is via Apple Glen Road in the City of Long Lake. Apple Glen <br />Road is accessed off of Watertown Road. The total length of the cul-de-sac from Watertown Road is <br />approximate!) 1600 feet where City code allows a maximum cul-de-sac length of 1000 feel. Plans should be <br />submitted to the City of Long Lake for their review and comment. The proposed typical street section shows 24 <br />feet of paved w idth with no shoulders. We recommend that the street section be revised to incli^ 3-foot gravel <br />shoulders as required by City standards The street section should provide for a minimum of 8-inches of Class 5 <br />iggregate base and geotextile stabilization fabric if necessary. We reconunend 1 VI inches of Type 41 <br />bituminous wear course and 2 inches of T)pe 3lbiluminous base course. A geotechnical evaluation and R- <br />value recommendation should be provided to verify the sueet design <br />2. rrodlng: The grading and erosion control plan should include erosion control measures to protect the existing <br />wetland The erosion control plan may ne^ to incorporate bale checks and fiber blanket in the ditches and <br />along steeper slopes. A wetland mitigation plan should be implemented for any wetland filling. Erosion control <br />measures should he in place prior to any griling. particularly along the wetland. Additional erosion control will <br />be needed during construction of the houses. <br />3. Drainage: The draft version of the City’s ’ Comprehensiv e Storm Water Management Plan (SWMP) shows that <br />the site lies within the Tanager Lake drainage district Long Lake Creek, a Mn DNR protected waterway, flows <br />through the site. Plans should be submitted to the Mn D.SR and the Minnehaha Creek Watershed District <br />(MCWD) for review and approval. Proposed ponds should meet NURP standards. All proposed ponds should <br />specify normal water level (N’VV’L) and high water levels (JDVX) The final plans should include final pond <br />grading including a 10 I aquatic bench lO-feci wide at the pond NW'L The pond design should also include in <br />outlet structure that provides I-foot of skinuning to remove floatables and debris. Skimming should be <br />provided to the pond HWL. Storm sewer design including outlet structure details should be provided for review. <br />Best Management Practices (BMP’s) should be implemented on all areas where storm water cannot be rotMed <br />directly to a pond. A drainage area map. storm sewer and ponding calculations should be provided with the <br />final plan set. <br />4. Sanitary Sewer: The City of Long Lake should be consulted regarding proposed connections to their sanitary <br />sewrr system. A wTitien sewer agreement between the Cities of Long Lake and Orono wnll be required. The <br />developer should provide detailed sanitary sewer design including plan and profile sheets 'The City of Orono <br />should review the unilary sewer needs along South Brown Road (existing home west of Lot 1. Block 2) and <br />determine whether the sewer should be extended to the westerly boundary of Outlot A. <br />5. Easements: Drainage and utility easements should be provided 5 feet wide along all interior lot lii^ arid 10 <br />feet wide along the roadway righi-of -ways. Drainage easements should be provided across all wetland, <br />drainage way and pond areas. <br />2335 West Highway 36 • St. Paul. MN 55113 • 651*636*4600 • Fax: 651*636*13)1 <br />BonciKM. AiWtfl** «n« AiMCtM**. IBC. Il Atlumsu^ A<li««/lB>*“ Oppottutot/ <br />tmptmft «n« tiyWy <br />PilntipsU Olio O ■o/'f(--:o H Io'kju. ri • O r»^ • C®o* rC • <br />VOM'I a • .t-»* A Boxj'Oo^ <br />S«n»a« CantirflMtt: nett-: W Pt • JCirpfi C Aripri-t PI • Pt • <br />tuljf' M IM'IO C <br />AttOilPlP PfttHipMt K£*»»a A lonfp’4 Pt • A Ce-«9« fl • • Aftffcri*. PI • <br />$^no>a W roiief M • « O le»oU Pt • C AIA . M«rk A H«non. PI • <br />I PA.l”Pnr, fl • *»d I r.«k> PI • tt^nptAP ArSt'tOti.Pt • Mj*» ■ •o<»l Pt • <br />0«««d A Bon«it'30 MS A • s.>wy P IS • Pgr** M Ml A • AajnS<« S*nj-m*. H <br />OlfWti. Si PaP St Osws »ein*it*i •<W »m • \a »aApp. Wi <br />WMUM. w«r«BerWUfCC :t"