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m r <br />Bones troo <br />Rosene <br />Anderlik & <br />Associates <br />Otto G Bonf%troo. PE <br />Rohfft W Rotfnf, PC <br />Joseph C AntJprfiii. PE <br />BMdtoril A Lfmt>ffg. PL <br />Richard E Turnfr. PL <br />J.imfi C OHon. PC <br />Girnn R Coo»i. PE <br />tr>omaj E Noyfi. PE <br />Robert G Schunicht. PE <br />M.ifvin L Sorvaia. PE <br />Krith A Gordon. PE <br />Rich.ifd W foiter. PE <br />Donald C Biif'jafdt. PE <br />Jrtry A Boofdon. PE <br />Mafic A Hanson. PC <br />Trd K Cirid. PE <br />Mifhapl T R.iutm.^nn, PE <br />Kobprt R Pfpffpfip. PE <br />David O loikota. PC <br />Thomas W Pptrrson. Pt <br />Muhapl C lynch PE <br />Jamrs R Waiand PE <br />Kpnt'irth P Anderson. PE <br />Knth A BacTimann, PE <br />Mark R Rolfs. PC <br />Robrd C Russrk. AiA <br />Thernas E Angus. PE <br />Howard A Sanford. PE <br />CfMrIPS A Erickson <br />i*0 M Pnvfisky <br />Hari. I M Olson <br />Sus n M Ebprlm <br />M.* k A Scip <br />Engineers & Architects <br />December 15, 1987 <br />City of Orono <br />Box 66 <br />Crystal Bay, MN 55323 <br />Attn; Mrj,J Mabusth <br />Re; File No. 139-1232 Betz Addition <br />Dear .Teanne, <br />We have reviewed the preliminary plat and grading plan submitted on the Betz <br />Addition. The preliminary plat should indicate drainage and utility easements <br />along lot lines. Drainage easements should also be provided over the ponding <br />area. <br />The drainage calculations should be provided for the storm sewer and pond <br />area. The storm sewer profile and the pond outlet control structures details <br />should be provided. The drainage ditch should be designed to minimize erosion <br />problems. <br />The roadway ba*jk on the west side abutting Stubbs Bay Road should be graded <br />out. The ditch bottom shouifld be set 3 feet below the existing centerline at <br />the property line. The backslope shall be graded to a 3:1 slope. Bituminous <br />flumes should be provided to drain the curb section at Stubbs Bay Road. <br />If you have any questions, please contact this office. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC. <br />Glenn R. Cook <br />GRC;li <br />2335 West Highway 36 • St. Paul, Minnesota 55113 • 612-636-4600