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Home My WebLink AboutRe: drainage Melanie Curtis From: Melanie Curtis Sent: Wednesday, November 30, 2011 10:52 AM To: Jack Smuckler(office@smuckler.com); 'Mark Gronberg' Cc: 'Lincoln Danforth' Subject: FW: 10-01195 4415 North Shore Drive As-built review 11-30-11 Attachments: 2010-01195 4415 North Shore Drive 11-30-11 asbuilt.pdf Jack& Mark Piease see the attached review by our City Engineer. It appears there continue to be issues regarding drainage which must be resolved prior to issuance of the Certificate of Occupancy. If you have questions please contact me or Darren Amundsen. Meloun�(.it�i�i � °��2.2�k�.�k627 � vv�cu►��i�i�i.o�ov�o.w►v�.�i From: Darren Amundsen [mailto:Darren.Amundsen@bonestroo.coml Sent: Wednesday, November 30, 2011 10:46 AM To: Melanie Curtis Cc: Christine Mattson Subject: 10-01195 4415 North Shore Drive As-built review 11-30-11 Darren Amundsen, PE Associate Stantec, formerly Bonestroo Tel 651-604-4894 CeII 651-775-5623 darren.amundsen(a�stantec.com stantec.com Bonestroo has joined Stantec a professional services consulting firm recognized for its leadership in sustainability, depth and diversity of talent, and technical expertise. The content of this email is the confidential property of Stantec and should not be copied, modified, retransmitted,or used for any purpose except with Stantec's written authorization. If you are not the intended recipient, please delete all copies and notify us immediately. � Please consider the environment before printing this email. 1 �, Stantec Consulting Services Inc. �" 2335 Highway 36 West v� St. Paul MN 55113 Tel: (651)636-4600 Fax: (651)636-1311 $�11�C �Bonestroo November 30, 2011 Melanie Curtis Planning and Zoning Coordinator City of Orono Post Office Box 66 Crystal Bay, MN 55323 Re: 4415 North Shore Drive File No. 193800285.195 File No. 2010-01195 Dear Melanie: We have reviewed the as-built plans and drainage area calculations for 4415 North Shore Drive. The plan is dated 10-21-11 and the calculations are dated 11-11-11. We have the following comments with regards to engineering matters: • The approved grading plan dated 1-11-11 was not followed. • The attached sketch is based on a site review showing the proposed (as-built) estimated drainage area to the neighboring property to the west. Another sketch shows the existing (preconstruction) drainage area. • Based on our field observations, the project increased the drainage area and runoff to 4423 North Shore Drive. We are open to reviewing a better defined drainage if better surveyed information is available. • We recommend that the site grading be revised to match the originally approved runoff patterns and rates or that a drainage easement be obtained by 4415 North Shore Drive to discharge the additional stormwater across 4423 North Shore Drive. If you have any questions, please contact me at (651) 604-4894 or darren.amundsenCa�stantec.com. Sincerely, Stantec � �� i ---� Darren Amundsen cc: Christine Mattson � �,1,. � �� ; ��, ��o ;� z ;�'��, �� `� , _. �� ,.�_ � i �; � �� '," �--� , �� o , � ,�� // % �_ ,i _ � , � : _.._._. � ; � �r� ,� rn � ___-_ o �v � � , �� _ � , ,- _ � � � , � ; , , -� , � , - - - -� �� .k-r� ' i i ,' -� l � - O , / , „\ < � O — � �^„----� � '��, /� i / �� V\ F -.. � \,/ . ; . .'Y. �,,� :,Ci1.Ii l . r, . �� .f�� J/� ,�` : i�.;,�,� . m . .� , i� . ,,, -.. ) \ ,\.h.L .� ��T__'�'��.64.t3v . �� .<- �� `�,. ' . ;�,�; �� } � ,`�"-----�.--- V� ; 1 y�?`s�° �'� /� f ` „ �,�,, ' � ,/J(� . �� (��} -' 11 -/�W � /�i � / ,//�/�+,i I `\ . � y ��!\ \j.'i-(.t�M I� ' , / /� Y t` s�< . � � i�� /�� V - � qb i/� � / / � � .- �y�/'�� V. /. , ' ,k y.- .� ✓ � � '�� i i!� I � \ '' �� .�pp"�`� :� � j�/� 6 ' � ( � �ac. aa�. � � ,� _ / ,� ��; .,� � .seA r-. 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It appears grading changes are needed. The very minor hardcover overage is acceptable, however if you are able to remove additional hardcover with the grading changes that would be favorable. Melanie Melanie Curtis Planning & Zoning Coordinator City of Orono 2750 Kelley Parkway Orono, MN 55356 Direct Dial: 952.249.4627 Fax: 952.249.4616 Planning &Zoning Office 952.249.4620 Email: mcurtis ci.orono.mn.us Website: www.ci.orono.mn.us City of Orono Office Hours Monday - Friday 8:00 am to 4:30 pm 1 ` Stantec Co�sulting Services Inc. ,L,// 2335 Highway 36 West `/ St. Paul MN 55113 � Tel: (651)636-4600 Fax: (651)636-1311 $�Clf1�C ,�Bonestroo November 9, 2011 Melanie Curtis Planning and Zoning Coordinator City of Orono Post Office Box 66 Crystal Bay, MN 55323 Re: 4415 North Shore Drive File No. 000139-11000-2 File No. 2010-01195 Dear Melanie: We have reviewed the as-built plans for 4415 North Shore Drive. The plan is dated 10-21-11. We have the following comments with regards to engineering matters: • The approved grading plan dated 1-11-11 was not followed and we have concerns regarding additional drainage being directed to 4423 North Shore Drive to the west. • Additional information such as spot elevations and drainage calculations may show the 1-11-11 planned drainage patterns are still being achieved. Drainage calculations should show that there would be no increase in the amount of runoff crossing the west lot line. • If additional spot elevations and calculations show increased runoff to the adjacent property, we would recommend a new grading plan be submitted showing how this issue is addressed. If you have any questions, please contact me at(651) 604-4894 or darren.amundsen@stantec.com. Sincerely, Stantec � ' :i-�2�__ Darren Amundsen Cc: Christine Mattson, Kellie Schlegel Christine Mattson From: Darren Amundsen [Darren.Amundsen@bonestroo.com] Sent: Wednesday, November 09, 2011 9:58 AM To: Melanie Curtis Cc: Christine Mattson; Kellie Schlegel Subject: 2010-01195 4415 North Shore Drive 11-9-11 asbuilt Attachments: 2010-01195 4415 North Shore Drive 11-9-11 asbuilt.pdf I dropped the retaining wall comment, but the retaining wall is still there and less than 5' from the lot line. The five additional spot elevations were not enough to convince me that the driveway and most of the house now drain north and west to the neighbor's property. I don't think this one is going to end well... Darren Amundsen, PE Associate Bonestroo, now Stantec Tel 651-604-4894 Cell 651-775-5623 darren.amundsen(�stantec.com stantec.com Bonestroo has joined Stantec a professional services consulting firm recognized for its leadership in sustainability, depth and diversity of talent, and technical expertise. The content of this email is the confidential property of Stantec and should not be copied, modified, retransmitted, or used for any purpose except with Stantec's written authorization. If you are not the intended recipient, please delete all copies and notify us immediately. � Please consider the environment before printing this email. �