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Bonestroo 2335 West Highw�y 3G ■ St Paul, MN 55113 � �� <br /> _ � Rosene <br /> Office: G51-G3G-4G00 ■ Fax:G51-G3G-1311 �� <br /> - Anderlilc& www.bonestroo.com <br /> �: Associ�tes <br /> Engineers&Architects . <br /> Janulry 6,2006 <br /> ?�1s.Janice Gundlacli <br /> Planner <br /> Citv oFOro»o <br /> Post Oftice Box 66 <br /> Crysta(.Bay,MN 5�323 <br /> Re: 3S4S North Shore Drive � <br /> Pile Na. 000139-0�000-0 <br /> Plat No. U�-3161 <br /> De1r lanice: • <br /> 1�Ve liave revie���ed d�e site plans aud prelinunary plat date�l 1 U/19/US that�vere resubnutled on 12/22/OS for lhe proposecl <br /> improvements at 3S�IS North Sliore Drive.The plans propose to subdivide tliree existing Iots into a tivc lot single fanul�� <br /> suUdi�ision.The existing plat area is 3.S� acres with 0.08 acres of wetland for a lotal of 3.77acres of net plat area.��e <br /> have the follo�vin�;comments�vith regards to engineering matters: <br /> • ?he proposed retaining walls exceed 4-feet in height in many areas and appruach 10.5-feet i�i height in Sonle <br /> areas. It is unlikely the ��-all as sho�vn cau be cansmicted along Outlot B on the subject properry �ti�ithout <br /> obtaining easements fi•om the property o�vner to tlie��est. A szparate en�i.neered clesi�rn and detail submittal is <br /> requireci fur all�valls that are greater than 4-feet i:i hcinh,. <br /> • ?he private street serving f.ot 1 arid 3 exceeds���/o a!Nonh Shore Drive, A�0-foot landing area with�rades of <br /> less Clian 2°io sliuuid Ue provided at tl�e access ontc�Noi�h.Shore Drive. <br /> • The pla�ns note that se�reral lots will be custom graded Uy the builder.This is a concern as draina�e issues will <br /> likely arise as eacli lot is graded.We reconmiend th�t a gradin�plan be submitted for the entire site or each lot <br /> �vill need tu subnvt a gra�ling plan for revie�v and approval prior lo c,btaiiiiug a building pern�it.. <br /> • Drainag��a'.culations and submittals have indicated that rain garclens arid drainage swales�vilt be utilized to <br /> treat and store stonn�vater on site. The plans must sho���tl�e locations ofthese storm t�•ater utilities and provide <br /> drainage easements over them. � <br /> • Provide for drive�vay cul��erts at the private street entrances to North Shore Drive. <br /> • Tlie sanitary se�ver service should not be connected to the e�istinb manhole. The t��•o sert�ices slio�vn will need <br /> to be connected to the existing se�ver pipe. <br /> � Each house will need to have its o����sanitary�uid wuter service aut to the mains. <br /> • Thc plan iadicates that the total area disturbed��.ill be 0.30 acres. if aradin�for Ihe]iomes.rain eard�.ns.streets <br /> and utilities exceed one acre, cl!en the [inal p)ans ��i�l need to include a detailed temporary and permanent <br /> erosion and sedimeiit control plan as reqt�ired by the i�'PDL•:S permit agplic�iicm. � . <br /> • The construction details sho�v�i are not the city stanclard�etails.Shcet CS-1 shnuld b�re�•ised to show tlie city <br /> stanclard details. <br /> � • When the final plans�tre completed and appro��ed�ve�•ill prepare a cusl estimate Far the site improvements as a ' <br /> basis for the fivancial guarantee required. � <br /> • Please see lhe attached convnents trom L,ince Hoff regarding storrn sewer improvements and draina�;e issues. <br /> If you liave any questions or need any clarificati�ns�lease crnitact me at(G�l) C04-�4563. <br /> �'ours very t�uly, <br /> BOl'dESTR00,ROSENE,AT3DEP.LiK&:155�"?Cit\TFS. I1�+C. <br /> _� <br /> ���� . <br /> Tom Kello�g • <br /> Cc: Gr�g Gappa, Cit��of Croao <br /> St. Paul, St. Cloud, Rochester, MN • Milwaukee, WI • Chicago, IL <br /> Afflrma[Ive Act(on/Equal Opportunity Employer and Employee Owned <br />