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M Bonestroo, Rosene, Anderlik & Associates, Inc. 2335 W. Trunk Highway 36 Engineers & Architects St. Paul, MN 55113 612.636-4600 April 16, 1986 City of Orono Box 66 Crvstal Bay, MN 55323 Attn: Ms. Jeanne Mabu.sth Re: File No. 139-1018 William Ulrich Dear Jeanne, r rll„ G Il,.er.frw,. P f. lr„Arrr N Rwrwf. P I "—ph t 1e,frr/d. P I. M,ml/urd d I rerhfrr. P I AN Awd I Iwrerr, PI 1Jeln t IMAM, P I G4ee R. Cu k. P I Ar,rA 4 bwdw. P I I A.,r.r. I Atom.. P f K. Awd Nhwe'. P I RoErn 6 U AweA Al. P I Nurse I U0..N.. P I /Aaww I ewrrwu, P I Jo,, A Bowrd„r, P f WdrA A fige . P I I,./ A /red, PI V . Arr/ 1 A~~.. P I R..owl R P/f//rrA. P I 1Arrd II / u,A.,rr. P I 1Aweo M Kwwne, P I W. Awll l.n. A. Pf Awre / Nd/a. P I /morn R Wwand. PI A—rfA P 1e.Arr..,e. P 1 Ar.IA 4 ILA Aeaen. PI WwA R R,,im P I RuMrl 1, N~A. d / A r h..~ 1. Aerwr. P I ►uwer. PI AYIR. 4 1 rw A. /fb W Pr.rr.A. low �A W rA(— %w W I./rrwe We have aviewed the current ite grading plan Co determine what elevations hive been cie. ,ed frou the original grading plan. We have also reviewed the basement elevation relative to the original contours. The original site grad- ing plan indicated a uasemen. floor elevation of 933.4. The attached site plan (Figure I) indicates various depths between original ground and the base- ment floor. Area I required an excavation of 4 to 7 feet. Area 11 required an excavation of 7 to 10 feet and Area III required an excavation of 10 to 17 feet. 'the developer has proposed to outlet the footing drain to the lagoon area. We would not see this as a problem if properly constructed. The current site grading plan directs storm water runoff from the east 1/3 of the lot south and east to the take. This plan directs the runoff through a pond which should improve the water quality prior to entering the lake. The original site grading plan iirected all storm water runoff west to the boat I agoon on the property and then into Crystal Bay. We feel the revised site plan is an improvement to the overall drainage plan for the area. The current site grading plan proposes changes from the original site plan in three primary areas as shown on Figure it. Area I would be south of the home and has become an option because of the lot line rearrangement. Area II con- sists of a proposed berm south of the driveway near Bohns Point Road. Area Ill consists of a berm north of the drivewav near Bohns Point Road. the changes proposed to Area I are beneficial as a level area on the lot would be provided to improve groundwater percolation, fill above original ground in this area would range from 0 to 8 feet. Area II would consist of a berm and plantings to screen the property from the road. We recommend that no filling be allowed on City right-of-way and that no slope exceed 3:1 unless retained. Page 1. 4516d 30 Yedt ,s.aniversary