HomeMy WebLinkAbout1987-07-13 Site Drainage Eval ReportBonestroo, Rosene, Anderilk & Associates, Inc.
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2335 W. Trunk Highway 36
St. Paul, MN 55113
612-636.4600
July 13, 1987
City of Orono
Box 66
Crystal Bay, MN 5r,323
Attn: Mike Gaffron
Re: Mr. Dave Nitz
Our File No. 139
Dear Mike:
Engineers A Architects
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The drainage pattern changes requested by Mr. Dave Nitz at 725 South Old
Crystal Bay Road seem reasonable with the following modifications.
The drainage swale from the west should ike completed as indicated on the plan.
The ponding area can be moved 125 feet north as requested- The pond rhould
provide 10,000 cubic feet of storage between the high water line and the nor-
mal water line. The pond outlet should be set approximately 0.75 feeE above
the drainage culvert near County Road 84. The pond should be controlled with
an 8 inch PVC outlet pipe. The excess flow would be allowed to flow over the
natural berms formed by the excavation.
Drainage easements should be provided over the pond and continue out to Far -
view Lane as shown. The 50' x 200' strip adjacent County Road 84 could be
vacated by the City if desired by the property owner.
If you have any questions please contact this office.
Yours very truly,
3Z7 STR00, ROSENE, ANDERLIK S ASSOCIATES, INC.
Glenn R. Cook
GRC/aes
Enclosure
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