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PC SUM 2011 08 16 CHANHASSEN PLANNING COMMISSION REGULAR MEETING SUMMARY MINUTES AUGUST 16, 2011 Chairman Aller called the meeting to order at 7:00 p.m. MEMBERS PRESENT: Andrew Aller, Tom Doll, Mark Undestad, Kevin Ellsworth, Kim Tennyson and Lisa Hokkanen MEMBERS ABSENT: Kathleen Thomas STAFF PRESENT: Kate Aanenson, Community Development Director; Bob Generous, Senior Planner; and Terry Jeffery, Water Resources Coordinator PUBLIC HEARING: LAKE DRIVE BUSINESS CENTER: REQUEST FOR SITE PLAN REVIEW FOR A 155 STALL PARKING LOT EXPANSION ON PROPERTY ZONED INDUSTRIAL OFFICE PARK (IOP) AND LOCATED AT 950 LAKE DRIVE. APPLICANT: CSM CORPORATION, PLANNING CASE 2011-08. Public Present: Name Address John Ferrier, CSM Corporation 500 Washington Avenue So, Minneapolis Mark Kronbeck, Alliant Engineering 233 Park Avenue So, Minneapolis Bob Generous presented the staff report on this item. Commissioner Ellsworth asked for clarification of maintenance for the stormwater ponding. Commissioner Doll asked staff to comment on the email from the Pauls family regarding views from their property. The applicant, John Ferrier with CSM Corporation explained that the reason for the expansion is largely market driven in leasing out vacant office space. Chairman Aller asked for clarification that the applicant had read the report and agreed with the conditions set forth by staff before opening the public hearing. No one spoke and the public hearing was closed. Undestad moved, Doll seconded that the Planning Commission recommends the City Council approve the site plan for parking lot expansion located at 950 Lake Drive, plans prepared by Alliant Engineering dated July 19, 2011, subject to the conditions of the staff report and adoption of the Findings of Fact and Recommendation: Planning Department Conditions 1.The applicant shall enter into a site plan agreement and provide the security required by it. 2.This relocated sign shall require a separate building permit and sign permit. Planning Commission Summary - August 16, 2011 3.The landscape island on the north end of the parking adjacent to the east side of the building shall be extended further out to provide full protection of the parking stall. Environmental Resource Specialist Conditions 1.The applicant shall submit a revised landscape plan showing the minimum number of landscape islands/peninsulas (16) and trees (50). 2.The applicant shall provide adequate screening for the new parking areas along Lake Drive. Shrubs shall reach a mature height of at least two feet. A revised landscape plan shall be submitted to the city for approval. Water Resources Coordinator Conditions 1.Rates of surface water runoff must not be increased from existing conditions. Where practicable to do so, rates should be decreased. 2.The applicant and city shall work together on future phases to look for potential cooperative surface water management opportunities. 3.These approvals for future phases are contingent upon City code and other jurisdictional agency rules remaining the same. In the event that any of these changes, the applicant will need to resubmit to assure that the plans meet any new rules germane to this project. 4.Include a note on the Grading and Erosion Control plan indicating that the proposed best management practices is the minimum controls anticipated, but that as unanticipated site and climatic conditions present themselves, it will be to modify the best management practices to meet these new conditions. 5.All 3:1 slopes shall be covered with erosion control blanket or sod. This needs to be indicated within the plan set on sheet C-2: Grading and Erosion Control. 6.An escrow or letter of credit in the amount of $2,450.00 shall be provided to the City before commencement of the first phase. This escrow is only for the first phase. Subsequent phases will require additional assurance funds. 7.Applicant must apply for and receive approvals from other jurisdictional agencies as necessary. 8.The applicant must show that the total disturbed area for all phases is less than one acre or they must apply for and receive an NPDES Construction Stormwater Permit from the MPCA. If this is the case, a full Surface Water Pollution Prevention Plan must be prepared and submitted to the City for review and comment. 9.All exposed soils must be stabilized within 14 days of cessation of earth work activities. 2 Planning Commission Summary - August 16, 2011 10.Lake Drive must be swept clean of soils and debris tracked onto it from the site as needed but no less than once per week until final stabilization is achieved. 11.The applicant or their designee must maintain the best management practices in good working order until final stabilization is achieved. Engineering Department Conditions 1.Grass area maximum slope must not exceed 3:1. 2.The applicant must submit revised plans (redlines) which meet the requirements of the City. 3.Drainage plans must be revised so that the plans match the drainage calculations. The applicant must also follow City standards for water quality volume. Also, the proposed drainage rates must be maintained for the 2-, 10-, and 100-year rain events. 4.The storm sewer provided for treatment will be privately owned and maintained. 5.If importing or exporting material for development of the site is necessary, the applicant will be required to supply the City with detailed haul routes. 6.Building permits are required for all retaining walls four feet tall or higher and must be designed by a Structural Engineer registered in the State of Minnesota. A fence must be placed at the top of the wall for safety. 7.The exits in front of Wall 2 may be inadequate for some uses of the building under the proposed parking scenario. Exterior exit discharge must accommodate exits served. The parking stalls in this area should be constructed at the time when a final end user is determined so that the exits will not limit the occupancy. 8.The wall and wall supports (not including soil) in drainage area three on the east side of the site must be removed from the drainage and utility easement. 9.Details must be provided for all proposed storm sewer, sanitary sewer, and watermain crossings. Actual elevations of existing utilities shall be verified for accuracy. A minimum vertical separation of 18” is required at all storm, sanitary, and watermain crossings. 10.All of the utility improvements are required to be constructed in accordance with the City's latest edition of Standard Specifications and Detail Plates. The applicant is also required to provide the City with the necessary financial security in the form of a letter of credit or cash escrow to guarantee the installation of the storm sewer, erosion control, and seeding. This amount will be determined prior to start of construction due to the possible phasing of the project and not knowing the amount to be installed and disturbed. 3 Planning Commission Summary - August 16, 2011 11.The applicant must also notify the City after installation of the erosion control and 48 hours prior to the commencement of grading. Permits from the appropriate regulatory agencies will be required. 12.The plans and drainage calculations must be signed by a professional engineer registered in the State of Minnesota. All voted in favor and the motion carried unanimously with a vote of 6 to 0. APPROVAL OF MINUTES: Commissioner Ellsworth noted the verbatim and summary minutes of the Planning Commission meeting dated July 19, 2011 as presented. COMMISSION PRESENTATIONS: None. CITY COUNCIL ACTION UPDATE: Kate Aanenson provided an update on action taken by th the City Council at their August 8 meeting and passed out a note from Mayor Furlong thanking the Planning Commission for their involvement in Chanhassen being named by CNN Money magazine as one of the top 10 places to live in the country. Doll moved, Ellsworth seconded to adjourn the meeting. All voted in favor and the motion carried unanimously with a vote of 6 to 0. The Planning Commission meeting was adjourned at 7:20 p.m. Submitted by Kate Aanenson Community Development Director Prepared by Nann Opheim 4