06-12-2000 Council Packet - Laserfiche WebLink

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m m L- ' k ‘ vL- Bonestroo. Rotene. Anderlik and Aitociaces. Inc. If an Affirmative Action/Equal Opportunity Employer and Employee Owned Principals: Otto G Boneilroo, PE • Marvin L Sorvaia. PE • Glenn f? Cook. PE • Rotjeri G Schunicht. PE • Jerry A Bourdon. PE Senior Consultants: Robert W Roiene PE • Joseph C Anderhk. PE • Richard E Turner PE • Susan M Ebcrim. C PA Associate Principals; Howard A Sanford. PE • Keith A Gordon. PE • Robert R Pfefferfe. PE • Richard W Foster PE • David O Loskota PE • Robert C Russek. Ai A • Mark A Hanson. PE • Michael T R.«ufmann, **£ • Ted K Field PE • Kenneth P Anderson PE • Mark R Rolfs. PE • Oavid A Bonestroo. MB A • Sidney P Williamson. PELS • Agnes M Ring. MBA* Allan Rick Schrnid:. PE Offices: St Paul. St Cloud. Rochester and Wiilmar MN • Milwaukee, Wi VX^bsite: a .% ,v bonestroo com ^=jS l^osene ^ S Anderlik & \ Associates Engineers & Architects April 10. 2000 Wendy Bottenberg Assistant Zoning Administrator City of Orono Post Office Box 66 Crystal Bay, MN 55323 Re: Elaine Erickson Site Plan File No. 139-2486 Dear Wendy: We have reviewed the site plan for the proposed improvements on the Erickson property. The site is located at 1270 Spruce Place in the southwest quarter of Section 8. We have the following comments in regards to engineering matters. • The proposed gravel driveway is shown at a grade of about 3.6^^. This appears acceptable, we recommend that the driveway be paved with bituminous or concrete to minimize erosion. The proposed curb and gutter should be concrete. • Proposed grading is shown right up to the north and south lot lines. This has created problems between neighbors in other parts of the City. We recommend that easements from the affected property owners be acquired prior to any grading activity. Silt fence should be shown on the plans and be in place prior to any grading. • A drainage area map and drainage calculations should be submitted for review. It appears that the drainage boundaries are being revised, with more water being diverted to the street. The grading plan and drainage area map should be enlarged to show the swale where the water will be routed to the lake. The proposed runoff routed through this swale should not be increased from existing conditions. • The proposed retaining wall removal north of the north lot line shows no grading. It is unclear how this will be accomplished, plans should show the appropriate grading necessary for the wall removal. The proposed new retaining wall will require that wall details and an engineered design be submitted for review. Please contact me at (651) 604-4863 if you have any questions regarding this matter. Yours very truly, bonestroo ' ROSENE, anderlik & ASSOCIATES, INC. /oyyf Tom Kellogg v; Cc: Greg Gappa, City of Orono 2335 West Highway 36 - St. Paul. MN 55113 • 651-636-4600 > Fax: 651-636-1311