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' � . <br /> , Bonestroo.Rosene,Anderlik and Associates,Inc.is an Affirmative Action/Equai Opportunity Empioyer <br /> . Bonestroo and Employee Owned <br /> Principals:Otto G.Bonestroo,PE.•Marvin l.Sorvala,PE.•Glenn R Cook,PE.•Roberc G.Schunkht,P.E.• <br /> � Rosene Jerry A Bourdon,PE. <br /> Anderiik & Senior Consultantz:Rober[W.Rosene.PE •Joseph C Anderlik,P.E •Richard E.Turner,FE.• Susan M.EDerlin.C.P.A. <br /> � Assotiate Principats:Kei[h A.Gordon.PE.•Robert R.Pfefferle.P.E.• Fichard W.Foster.PE.•David O.Loskota.FE.• <br /> Associ�tes Mark A Hanson.FE.•Michael L Rautmann,P.E.•Ted K.Field.PE • Kenneth P.Anderson.P.E.•Mark R.Rolfs.FE • <br /> David A.8onez[roo,M.B.A.• Sidney P Williamzon,FE.,LS.•Agnes M.Rmg,M.B.A.•Allan Rick Schmidt,P.E.• <br /> Engineers &Architects Thomas W.7eterzon,FE.� James R.Maland.PE.• Miles B.Jensen.PE.• L.Phillip Gravel III.PE.• Daniel J.Edgerton,P.E.• <br /> Ismael Martinez,PE.• Thomas A.Syfko.PE.•Sheidon J.Johnson• Dale A.Grove,P.E.• Thomas A.Roushar,PE.• <br /> Robert J.Devery,P.E. <br /> Offices:Sc Paul,SL Cloud,Rochester and Willmar,MN•Milwaukee,WI•Chicago,IL <br /> September 2�, 2002 Wpbsite:www.Donestroo.com <br /> Mr. Mike Gaffron <br /> Planninj Director <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, NL�155323 <br /> Re: Professional Properties of Orono <br />� File No. 139-02-000 <br /> Plat No. 02-2782 <br /> Dear Llike: <br /> We ha��c re��ie�.�•ed the development p?ans for the Professiona,Properties buildina.The s:te is located <br /> a[ 276� Kelley Parkway in the northeast quadrant of the intersection of Old Crystal Bay Road and <br /> TH 12. The proposed use of the site is for a dental/medical complex. �'e have the followin� <br /> com�ilents in re�ar��; to enQineerin� matters. <br /> 1. Sanitar��Se�ver: The sanitary sewer service is shown connec[in�to an existin�manhole along <br /> Old Crvstal Ray� Road. The proposed g-ir.ch PVC service pipe will conne�:t at the existin� <br /> manhole invert elevation of 1006.4.The developer rnay want to install the service pipe at a grade <br /> of less than 19c between the building and t�e existing manhole to minimize the excavation depth <br /> f:�r the ser�•ice pipe.This will require th�censtnict;on of ar.:;�tside drop 2t the eristing manhole. <br /> Final plans should include profile view, of the �a.nitary ;��ver. Tne plans should also include <br /> typical sections for trail and street repair. All repairs to the trail and street shall be made <br /> immediatelv after they are disturbed. <br /> 2. ��'ater�Iain: The proposed water main desi�appears acceptable.The proposed connection to <br /> the existinQ���ater main stub should be coordinated with the City and installed in accordance with <br /> Citv standards. <br /> 3. Storm Se��er/Grading: The proposed storm sewer i� shown dischar�ina east af the si[e. The <br /> F���'F�`z� Fipe invert is some[hing ]ess than 1�1-�.5� (pz-oposed upstream invert ar CB'�If-I-i). <br /> Ba:ed on existing topoaraph}� the discharQe pipe i���ert elz��ation �vill },c � to 6-;cet under <br /> �round. The applicant should pro�•ide additional detail as to ho��� this sronn se�ver system will <br /> «orE:. Riprap should be provided at all outlets.The south���est corner of the site should be Qraded <br /> �o dr�lina�e i:directed easterly into the existin��I�lDOT dit�h.The existin�cul��ert under Old <br /> Cr`�tal Ba� Road should be bulkheaded and abandoned. The propo:ed gradinQ plan sho�.��s <br /> �radin�, «ithin the �1\/DOT ri�_ht-of-�v�}. Plans shoul�l be submitted to �1\/DOT for th�ir <br /> re��i��� and spp;o��al. The propo�ed gradin` plan �ho�:�s�radinQ and parkin� let con�tniction on <br /> the .i�lj,i�ent propzrty to the ea�t. 1�he appli.:ant shoulu ���rif� they� ha��e controi o��er thi� parcel <br /> an�i incfu�ie additional �radinQ inf�rma�ion to idenci'�` ho�� drainaoe wifl be handled on this site. <br /> 2335 West Highway 36 . St. Paul, MN 55113 . 651-636-4600 . Fax: 651-636-1311 <br />