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10.56-M r-.O*. 3a£3TPCC * 4-3:.? SI2 S3S 1311^' ** <br />1/ J Bonestroo <br />Rosene <br />vS Anderfik & <br />I Associates <br />Engineers & Architects <br />X. <br />Soncjtroo. A'*ce-<». Asioct«cs. re .s «n A.*f?r<f*«tivt Action't <br />Ct?5 ^ ^ i <br />^1" <br />*off£>n *r ^5* <br />t. lerv^A. ^ f <br />» cr^ro t • 8 <br />C^tnn f. Coo« • 5 <br />Thorrji 1 Vovei <br />a $cf*^n CP", r f <br />Sas^p M n. A • <br />• Scr.sr CiT <br />Janiurj' 5, 1995 <br />A SiPfSrO. / t <br />Ke«fn A corcon. .* P <br />Poeer? < P f <br />9><rhf^ w foster P L <br />C'avto 0 LoskotJi <br />Xoeerr C. tutsee. a.i>%. <br />itny K Souroon. •M. <br />w*f* A ^xnion. ? t <br />••*«<ree* T tewrr^jnn A 8. <br />T«o K. re;d. ^£. <br /><*>^•♦1 *' •o;»prr^a<k, eg <br />r 5 g. <br />'“vyrii A 5/0^3 A <br />^'eeferte i i:«pse?^g. ® «. <br />•l/PJe* Mart pfI A £. <br />v,cr^*'A A»u •? <br />I'l <br />VLcneei C LyncA. » fX'I <br />J^mtt A. Maunti A I. <br />it^y O Ae^jich A t <br />ScotiJ. Arganee <br />Aonnom A. Anoer ton. i <br />Mart ff. fforn a e. <br />Marti A Seip. A • <br />Gary W. >4ortea AX <br />Aaui X Gannon. A LA <br />OAPi«l 1 Cdgcnon. AX <br />A %ck Senm»Of A 5 <br />3Jie A Grp^e ef. <br />♦•O i Cifwaii A* <br />Mint 0 Waii.1 A« <br />Vifet a . anten. AL <br />L AA‘i»o Gffvai AH, <br /><a/e*' L vVT*m»fi A f. <br />Cary 0 vinofitr •£. <br />A t <br />a <br />Oougiat j. <br />Snawn O. Gusm <br />Cacfifo oavitr. AC <br />iCtnt j. wagntf. A c <br />Aayl a Nautr. AX <br />ionn A. Gopotr. A.f <br />San 9 dovum. AX <br />Jeffrey J. Chfen.pgef A C. <br />JOfeon ff efyein. AI. <br />Lee ^ Mann. AX <br />Charres «v Prfciuon <br />Leo Ml AswetjAy <br />Hfftan M. Olson <br />Agnpf .M. Aing <br />.'am« A. £nge*nafOT <br />/ • <br />Ms. Jeanne .A. Mabusth. <br />Building and Zoning Administrator <br />City of Orono <br />Post Office Box 66 <br />Crystal Bay, Minnesota 55323 <br />Rc: Edmunds Residence <br />File No. 139-2100 <br />Dear Jeanne./030 <br />We have reviewed the sire plan for the/proposed residential construction on the property owned by <br />Robert and Debra Edmunds at 't’12j'i iCai iir.“CLitlu. The construction includes placing fill and <br />installing regaining w.ills to cre.ite the walkout house pad. TTie grading plan appears acceptable from <br />an engineering standpoint. The grades do not exceed 3 to I (horizontal to vertical) and the drainage <br />is controlled on the property. Inspccnon and testing should be done during the filling operation.^ <br />to verify that the soils and compaction arc adequate for structural support. <br />More information is needed on the two retaining walls. Tiie nonh and south walls are shown up <br />to 4 5 feet and 6 feet in height, respectively. We would recommend a modular masonry block wall <br />be used and a structural de.sign oe done tor .any wall over 4 feet in height. There are manv <br />manutactarers which provide an engineered wall svstem for almost any application. The wall should <br />have a draintilc line installed to function properly in clay soils. \Vc do not recommend gravir/ type <br />retaining walls, such as boulder walib. due to the dirnculty in determining their effectivenes.s or <br />durability. The applicant should provide the following information: <br />cross-sectional detail of wall with .spcdfication.s <br />method of proxiding dr.ainagc for walls <br />method of ne-back restraint for wall <br />geotechnical evaluation of c.\i.sting soii.s <br />Silt fence should be shown on the plan along the eastern grading limits for erosion control. <br />Please contact me at this office if you have any questions regarding this matter. <br />1 <br />:/1