07-19-2010 Planning Commission Packet

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. , ,• , . the amount of 125% of the estimated cost to accomplish compliance with the SWPPP. The estimated cost for the project is$8,000 and the required security would then be $10,000. This inciudes silt fence re-installation, site seeding, and maintenance of catch basin sediment protection devices. Utilities � • Plans should include plan and profile views for all proposed storm sewer, sanitary sewer, � and watermain. In addition, all utility crossings should be identified. • The existing utility services to the site should be abandoned. • Invert elevations and pipe info, such as type, size, and slope should be provided for all proposed roof drain pipe. • The connection to the existing sanitary sewer through the installation of a drop manhole should be in accordance with the Orono Standard Detail Plate provided. • Proof of temporary construction easements will be necessary for any work occurring on neighboring property. Easements wili be necessary for the sanitary sewer connection and may be necessary for the watermain connection on the east side of Shadywood Road. • Hennepin County permits will be required for the watermain installation under Shadywood Road. Any conditions of the permits will need to be followed. � • If CB-2 is necessary, the outlet pipe slope should be reduced to 1% in order to minimize the discharge velocity. t Street/Parking Lot/Landscaping < • All aggregate base material should be 100% crushed lime rock. � • A geotechnical report, R-value recommendation, and pavement design should be ' submitted for review and approval. • Plans should be submitted to Hennepin County for review and approval as part of the Entrance Permit process. • Plans should be submitted to the Fire Marshal for review and approvaL • An underground irrigation system_should be provided for all landscaped areas, except those areas to be left in a natural state. Locations and details of the irrigation system should be provided. Easements � • 10'utility easements must be provided over all storm sewer. • Drainage easements should be provided over all basins. Easements allowing access to the filtration basins must also be provided. • Utilities, parking lots, buildings, and other topography information should be removed , from the preliminary plat drawing to more clearly show lot lines and easements. General • The proposed improvements will disturb more than one acre. This will require a permit � from the MPCA. . ' • Once the plans have been compieted we wili prepare an estimated cost for the site improvements as a basis for the necessary financial guarantee.