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Planning Commission Report Silver Lake Commons Development Review Planning Case No. 487-97 • June 18, 1997 Page 2 Staff has scheduled this project for two meetings, with discussion on June 18 and and a decision on July 2nd or 16th, depending on the number of issues which need to be resolved prior to this case being ready for Planning Commission action. Analysis: • Dimensional Requirements: Required Proposed: Met? Building Setbacks: Front(Highway 10): 30 feet 48 feet Yes Front(Eastwood): 30 feet 30 feet Yes Rear: 30 feet 48 feet Yes Parking Lot Setbacks: 5 feet 5 feet Yes Minimum lot width: 100 feet 390 feet Yes Minimum lot area: (2,500 square feet per D. U.): Existing Red Oak Silver Lake Commons (New) 40,000 sq.ft. 94,090 sq.ft. Yes • Building height: 45 feet 30 feet Yes Minimum floor area per D.U.: Three bedroom units: 870 sq.ft. 1,320 sq.ft. Yes Four bedroom units: 920 sq.ft. 1,620 sq.ft. Yes Parking requirements: Uncovered: (1.5 per unit) 84 spaces 68 spaces No* Covered: (1.0 per unit) 56 spaces 57 spaces Yes *With proof of parking, a total of 86 spaces can be provided. Drainage and Ponding: The drainage proposal is to create a detention pond at the southeast end of the site, which then would feed water to the Highway 10 ditch. The ditch follows north at this point, and water then goes through a culvert under Highway 10 to the D.W. Jones property and wetland. The drainage diagram and the preliminary stormwater summary analysis was forwarded to Rocky Keehn at SEH, Inc., the City's engineer. Mr. Keehn's response addresses a number of concerns pertaining to drainage and grading. (Refer to the attached report from Rocky Keehn.) With regards to the drainage, Mr. Keehn indicated that because of the positioning of the buildings, runoff from the property north of the site is appears to be blocked, which could cause flooding. The site also receives runoff from Eastwood Road via a bituminous swale that cuts into the property. The site plan shows the detention pond over the swale which would necessitate a change in the existing drainage from Eastwood Road. While a number of alternatives can be employed to deal with this, • the applicants will need to coordinate with the City's Public Works Department to resolve the problem.