Agenda - Council - 04/28/2015 - Laserfiche WebLink

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Review File: Sunwood Village Plat/ Site Plan Request Engineering Review Page 2 of 3 2. Stormwater calculations must be submitted showing that the 100 year overflow from the catchbasins will not enter the garages. 3. The benchmark information note must be fully visible on all sheets. A permit from the Lower Rum River Water Management Organization (LRRWMO) will be required. The project is within the 10 year capture zone of a municipal well. Infiltration is not permitted in the 10 year capture zone. Alternative volume reduction strategies will need to be investigated and documented per the LRRWMO rules. Submit a copy of the MPCA Construction stormwater permit to the City prior to construction. Submit copies of erosion inspection results to the City prior to Certificate of Occupancy. Utilities: The building will be served by municipal sewer and water extended from Sunwood Drive. Construction plans and specifications are subject to review of the City Engineering Department. Stormwater Pollution Prevention Plan: Hydraulic Grade calculations must be submitted for the storm sewer system. A copy of the stormwater calculations provided to the LRRWMO for plan approval must be submitted to the City. Sheet Specific Comments: C1-2 — The notes along the right edge of the frame are cutoff. The full text must be visible. Pavement removal is shown along the existing driveways. The driveways serve an active building. Advance notice must be provided to the owner of the building prior to commencing demolition work. One access may be closed for a short period while sawing and removing the existing pavement. Both driveways must be restored at the end of each working day. Barriers must be installed to delineate the edge of the driveway. The functionality of the catchbasin to be removed must be maintained until the new storm sewer system is functional. C2-1 — Provide protective fence around existing planting beds and maintain until construction is finished. A temporary pedestrian access route (TPAR) plan must be included in the plan set and note 6 must reference the TPAR. C3-1 — Rock Construction Entrances are ineffective in Ramsey. Add the following text to the SWPPP and Grading Plan Notes: "A street sweeper must be available within 3 hours upon notice from the City that the streets need to be swept." The underground storage may not be perforated or allow infiltration. Revise note 3 to read "... 4 inches of premium topsoil... ". Revise note 6 to read "...left idle for day, weekends and holidays, or as directed by City." The proposed grades in the grass area east of the building are less than 2 percent. City code requires an as -built grading plan prior to issuing the Certificate of Occupancy for all lots with grades less than 2 percent on pervious areas.