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<br />u.s. Bank <br />October 11, 20024 <br /> <br />Page 2 <br /> <br />required as part of the u.s. Bank development relative to the striping of Holt Street at <br />the entrance to Lot 1, Block 1. <br /> <br />2. Sanitaty sewer and water services will be provided by service stubs off Holt Street. The <br />proposed development will have two 6-inch sanitaty sewer services and a 1-\;2 inch water <br />service. It is not clear why this facility needs two sanitary sewer services. Unless there is <br />a compelling reason for two sanitaty sewer service, only one should be allowed. <br /> <br />3. Site runoff will be picked up by three proposed catch basins to be placed throughout the <br />parking lot and drive-thru lane along with an existing catch basin built with the Holt <br />Street improvements in the driveway locations. <br /> <br />4. The site is slightly lowerthan Holt Street and slightly higherthan Trunk Highway 169. <br />Therefore, there are two retaining walls shown on the site plan. The one along the Holt <br />Street side of the parking lot will essentially hold back the boulevard from the parking lot <br />and will be higher than the parking lot. The one along the Trunk Highway 169 side will <br />actUally support the parking lot and has a 2-\;2 foot elevation at the highest point. <br />Placement of this retaining wall should be as far removed from the curb and gutter <br />surrounding the parking lot as possible to allow for a minimal boulevard area for safety <br />purposes. <br /> <br />5. The preliminaty grading, drainage and erosion control plan shows the construction rock <br />driveway being constructed off of 197'h Avenue, approximately 150 feet west of Trunk <br />Highway 169. Construction traffic should not be allowed to access the site from that <br />location, due to the conflicts with traffic accessing the highway. Construction traffic <br />should be required to take 197,h Avenue to the Holt Street intersection and access the <br />site as soon as possible off of Holt Street. <br /> <br />6. The site does not require an NPDES Permit even though it is over 1 acre in size because <br />it can be deemed to be under the overall Elk Ridge Center NPD ES construction permit, <br />since construction activities will go on simultaneously. However, construction activities <br />on the site should be required to follow the Elk Ridge Center Storm Water Pollution <br />Prevention Plan (SWPPP) wherever they would apply. <br /> <br />If you have any questions regarding any of these comments, please call. <br /> <br />Sincerely, <br /> <br />Te~~ <br /> <br />City Engineer <br /> <br />S,\PLANNING\Cos, Files\2004\CU 04.)0 U S B>nk\Engineer's memo.doc <br />