Agenda - Planning Commission - 04/01/2010

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Allina Health System: Preliminary Site Plan Review March 26, 2010 Page4of5 The Ramsey Town Center Development utilizes regional stormwater ponds for rate control and water quality treatment. Each individual site needs to provide additional water quality treatment through the use of rain gardens or water quality treatment structures. The type of water quality treatment device proposed is listed on the plans. The drainage area treated by the device and specifications for the device must be submitted. The ultimate destination for stormwater discharged from the site is the Mississippi River. This should be changed on Sheet C4. Please submit a revised Drainage and Grading Plan prior to execution of the Development Permit. Access and Streets: Both Lot 1 and Outlot A are proposed to receive access from Sunwood Drive from a shared drive, which will require a cross access easement or other access agreement, subject to the review of the City Attorney. Only one access will be allowed onto Sunwood Drive and the existing pavement .striping along the roadway (turn lanes, etc.) may require revisions as a result of this access location, all of which would be performed and funded for by the Applicant. This access - may be restricted in the future to right -in right -out only dependant on traffic and .accident history. Outlot A will also have an access onto Peridot Street and should be included in the cross access easement, benefitting Lot 1. Sidewalks: An additional two (2) to four (4) foot section of sidewalk must be added (at the Applicant's cost) to the existing sidewalk along Sunwood Drive, in accordance with the Ramsey Town Center Master Plan, completed Sunwood Drive Streetscape improvements, and City policy. Construction of this sidewalk section may require additional sidewalk easement if constructed on private property. . Traffic Generation: As part ,of the Town Center AUAR, a detailed traffic analysis was completed that anticipated the type and size of development shown on the plat. The proposed development is consistent with the traffic modeling system used as part of the AUAR analysis. Regional road improvements to facilitate the whole Ramsey Town Center development have been agreed upon and have already begun construction. This proposed development does not generate more traffic than was anticipated. Utilities: At a meeting with City Staff on February 18, 2010, discussion was held regarding an alternative utility plan. that connected to municipal utilities in Sunwood Drive, rather than Peridot Street. This does eliminate the need for additional easements and provides more flexibility in site planning for Outlot A in the future. However, this will impact traffic patterns on Sunwood Drive during construction. A plan must be submitted for this proposed work for review by City staff, and should the City approve this alternative utility plan, the work must be completed under traffic, be brought to grade at the end of the day, and paved within 24 hours. Work must be completed prior to the City completing a planned seal -coat project. The watermain is shown under the future building expansion. The watermain must be routed outside of the future building addition. Should the City approve the alternate utility connection plan, the connection to the watermain must be done by wet tap. Open cutting of the watermain will not be permitted. Fire Hydrants shall be Waterous Pacer Model WB-67. 27