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1 <br />a <br />u <br />O O <br />GORDON R. COFFIN <br />LAND •unvCVOM AND PLANNCM <br />sots WATCNTOWN NOAO <br />LONO kAKC. MINN. SSSSS <br />4-20-79 <br />Mr. Rotert G. MltchvU, Jr. <br />c/o Llndqulat & Tenmus <br />740 East Lain Straat <br />Vayzata, Minn. <br />Daar Mr. MiichaUi <br />In response to your requests it. n prerloua letter to ns, I here <br />shoun these itene on the etteebed dreving. <br />The orlglnel contours were detemlned froa spot eleTations tehen <br />In the field of undisturbed ground on the Holier property end on <br />the adjoining properties. Sone of the proposed contours ere already <br />constructed. <br />The top of the footing Is Ylsihle in sons places end the dinen- <br />sions were given to me by the contractor who constructed it. The <br />top of the wall is shown at its final proposed hei^t. It is not <br />fully constructed to this height at this tine. <br />The proposed drainage syeten is sore than adequate to cany the <br />runoff water. Mr. Holser has aTailable the 8-ineh steel pipe, so <br />this will be \ised insteed of a saaller diaMter pipe. The purpose <br />of this pipe is to prevent erosion of the hillside and to divert <br />water fkon running on the adjoining properties. <br />The cross-section details of the proposed drainage systen, the <br />footings and wall, and original and proposed contours are shown on <br />the drawing. If any additional iafonnition is needed, please <br />notify ns. <br />Sincerely, <br />Mark 8. Gronberg, P.I^T <br />MSG/grc <br />Inolosure ■mmn <br />APR 23 1979 <br />CITY OF ORONO