05-12-1986 Council Packet - Laserfiche WebLink

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'1 M l Bonestroo, Rosene, Anderlik & Associates, Inc. 2335 W. Trunk Highwdy 36 St. Paul, MN 55113 612.636-4600 April 16, 1986 City of Orono Box 66 Crystal Bay, MN 55323 Attn: Ms. Jeanne Mabusth Re: File No. 139-1018 William Ulrich Dear Jeanne, O Engineers & Architects unu r. A~....... P.L NuMr1 W Rwrnr. 1. 1. Jo,rph C Andr,ld, L' 1, HraJ/urd A I r,dwjr. P I N', Aard £ ra,nrr. P L Jomn f 06un. P I 61'nn R CWA, P £ A,.rh A (ru,.N.n, I• L 1 In--L N.".. Pf. Nu AarJ N' I wlo, P. F t—'. L..8n ,a. P I 1; nald C Rmla,dr. P £. Jrrir A P.L. Ma,(. A Ilr,uun, P.L. rrd A' 14d. P I W. hwl l N....... n. P I 1 —d 0 1 m l u,r. P f 1 hums/ H Prrmun, 1' L .tint hrrl ( L r n, A P L A..,m L. M d/u, P 1. J.-el R. We'd. P F Arn.oh P AaAr,w . Pf. A.:IA A S., hu,arrn, P L .AlarA N Nn11, P L. H, &,r C N.wA. A I rAurn. .'.n�rt, P I. 1, 111. tutor. Pl. ( hwks AL'. Awn 1ru .W Pr.r60 Ila14r .N M." %.WA .A/. LMr1,n We i,ave reviewed the current site grading plan to determine what elevations have been changed from the original grading plan. We have also reviewed the basement elevation relative to the original contours. '"he original site grad- ing Man indicated a basement 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 II 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 lake. This plan directs the runoff through a pond which should improve the water quality prior to entering the lake. The original site grading plan directed all storm water runoff webs to the boat lagoon on the pt./perty and then into Crystal Bay. We feel the revised site plan is an improvement to the overall urainage plan for the area. The current site grading plan proposes changes from the original site plan in three primary areas as shown on Figure II, 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 III consists of a berm north of the driveway near Bohns Point Road. The changes proposed in 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 It 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. 4516d Page 1. 30 Year Anniversary