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Planning Commission <br /> <br /> August 7, 2009 <br /> Page Two <br /> 4. The catchbasin in the lift station driveway should be moved to the south out of <br /> the driveway. <br /> 5. Insulation should be used between the storm sewer outlet pipe and the existing <br /> forcemain to protect against freezing. <br /> 6. The developer should review the Jackson street right-of-way vacation to <br /> determine if utility rights still exist allowing the installation of the storm pipe outlet <br /> proposed or if additional easements will be necessary. <br /> Utility Plan <br /> 1. The sanitary sewer service should be reduced to a 6-inch line or a manhole will <br /> need to be constructed at the connection to the mainline sewer. An easement <br /> will need to be granted for the sanitary sewer crossing the City owned property. <br /> 2. The developer should provide sewage flow estimates so that the City can <br /> determine if any modification will be needed to the existing lift station pumps. <br /> 3. No 90 degree bends are allowed in a service line. <br /> 4. The domestic water and fire service for the building must have individual shut off <br /> valves outside the building. These shut off valves must be in a location <br /> accessible by City personnel (i.e. contained within a drainage and utility <br /> easement or public right-of-way). <br /> 5. The existing hydrant that is noted for relocation near County Road B should be <br /> replaced with a new hydrant and valve. <br /> Other Comments <br /> 1. Storm water calculations should be provided for review and approval. <br /> 2. Due to the amount of disturbance, a Ramsey Washington Metro Watershed <br /> district permit will be needed. A copy of the permit should be provided to the City <br /> along with a copy of the maintenance agreement for the underground infiltration <br /> practice. <br /> 3. The ultimate discharge for the stormwater is a pond on Mn/DOT property. <br /> Mn/DOT approval of the stormwater plan should be provided to the City. <br /> The comments above are based on the general site plan provided for review. If the <br /> project moves forward more detailed plans would need to be submitted for review and <br /> approval to the City and other permitting agencies. Please contact me if you have any <br /> questions regarding the above information at (763) 780-0450 ext. 13. <br /> Sincerely, <br /> ELFERING & ASSOCIATES <br /> Lee Elfering, P.E. <br /> City Engineer <br /> cc: Bill Dircks, Public Works Director <br /> Ltr-080709-PC <br /> 10062 Flanders Court NE, Blaine, MN 55449 -Phone: (763) 780-0450 -Fax: (763) 780-0452 <br /> <br />