05/29/2007 Council Packet - Laserfiche WebLink

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Royal Oaks Realty CUP — Materials Storage Page 4 of 7 SITE PLAN Buildings: The home on the site has been removed, one barn and some farm equipment remains. A gravel driveway provides access to all the structures. Traffic: 20th Avenue is a County Road and Anoka County has jurisdiction over the road. Traffic control will be addressed in the Anoka County haul permit. The road was designed for a 9 -ton load limit. Anoka County had previously posted it at a 7 -ton load limit keeping heavier traffic off the road. Anoka County changed the load limit a couple of years ago to the designed 9 -ton posting to allow heavier traffic to access the surrounding businesses. The attached letter from Anoka County dated May 7, 2007 provided there review of the proposed CUP. To address traffic safety issues, Anoka County stated that the existing access for the residential use of this property will need to be removed and the hauling access relocated within 30 feet of the north property line to maximize the available associated intersection sight distance at Birch Street and 20th Avenue. The hauling access will require a culvert with 6:1 slopes, safety grates and aprons. Anoka County will require a north bound 20th Avenue (CSAH 54) right turn lane and a south bound 20th Avenue (CSAH 54) left turn lane, if traffic volumes are low enon • h the south bound left turn lane can be replaced with a south bound bypass lane. Grading/Drainage: Attached is a site plan for the earth materials storage site, which details the current stockpile. Silt fence has been installed and the stockpile will be subject to regular NPDES inspections conducted by City staff. Rice Creek Watershed District (RCWD) has reviewed the site and confirmed that the property doesn't have any wetlands and is outside of the floodplain. The stockpile is partially vegetated and will require additional stabilization. RCWD does not require a formal permit for this activity. They will monitor the site for erosion and sediment control. Tree Preservation Plan: A tree preservation plan is not required since the materials storage pile has been moved more than 50 feet from the existing trees. • •