Agenda - Planning Commission - 10/04/2012

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Review File: Lake Region RV Conditional Use Permit/Site Plan Review September 28, 2012 Page 5 of 6 Tree Preservation: The site does have a few scattered trees, but the tree cover consists primarily of green ash and Siberian elm, neither species is desirable, the former due to concerns with emerald ash borer and the latter is an invasive species that warrants removal. Therefore, a tree preservation plan is not needed for this project. Civil Engineering Review Reviewer: Leonard Linton llinton(i ci. ramsev.mn. us Grading and Drainage: The following comments are offered regarding the September 4, 2012 Grading and Utility Plans: • The B612 concrete curb detail should be amended to include base material extending to 1' beyond the back of curb. The pedestrian ramp details have recently been modified at the state level. The plans must be revised to include the most recent MN/DOT approved details and design. • Spot elevations must be called out as gutter or top of curb. • The developer will be responsible for replacing any sidewalk or streetscape along Sunwood Drive that is damaged by construction of the building. • A pedestrian detour plan must be submitted showing the pedestrian route along Sunwood Drive during construction of the building. The project will require a permit from the Lower Rum River Water Management Organization (LRRWMO). Please copy the City on the submittal. The application deadline is the first Thursday of the month for the meeting on the third Thursday of the month. The LRRWMO requirements include infiltration of 1 inch of runoff from the site. Infiltration practices must be incorporated into the plans to meet this requirement. Please submit calculations routing the site runoff to the infiltration basin for the 1" 10 year and 100 year storms. The following notes should be added or amended on the plan set: • The contractor should have a sweeper on site or available within 3 hours. All material tracked onto City streets must be removed immediately upon discovery, or as directed by the City Engineer. • Installation of silt fence and other down gradient sediment protection measures shall be completed and inspected prior to commencement of any site activities. A maintenance agreement for the underground stormwater treatment system must be submitted. Street and Building Access: One additional access point is being proposed for Lot 1, Block 3, ALPACA ESTATES. The access plan appears to be adequate. Permits: The applicant is responsible to secure all required permits for this project; including but not limited to an MPCA NPDES construction permit, a Lower Rum River Watershed Organization permit, and Anoka County and MnDOT right-of-way permits. Additionally, the contractor performing the work will be required to obtain a City license and right-of-way permit.