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The above structure and impervious coverage chart has been revised to include the total land area, the total water area, and the proposed lot coverage of the land area for each City. Please note that the impervious coverage includes the structure coverage. TKDA did indicate that the proposed building and overall impervious coverage is estimated since the actual footprint of a structure may change when the College moves forward with a particular construction project. As noted above, all construction projects in Arden Hills are subject to the site plan review process, which requires Planning Commission and City Council review. The additional buildings would not cause the campus to exceed the twenty-five (25) percent structure coverage limit in Arden Hills; however, the campus may slightly exceed the thirty- five (35) percent overall impervious coverage limit by about one percentage point on the Arden Hills side of the campus. However, when viewing the entire campus, the total impervious coverage would be only thirty-four (34) percent. Since the Roseville portion of the Campus is within a different zoning classification, the impervious and structure coverage limit may vary in Roseville depending on the type of development. The City can permit the campus to exceed the thirty-five (35) percent impervious coverage limit as part of the PUD approval process. However, a condition limiting the campus to thirty-five (35) percent coverage could be included and, if necessary, the College could approach the City in the future with a PUD amendment to increase the coverage limit if deemed necessary. It is also possible that the thirty-five (35) percent limit will not be exceeded since the exact impervious/building coverage will not be fully determined until a particularly structure is designed. 2. Lot and Lake Setbacks While the Master Plan meets the minimum side setbacks required in the R-I Zone, the PUD process can allow the City to require a greater setback to reduce any potential impacts on adjacent properties. It may be prudent to discuss setting greater minimum building setbacks to decrease the impact of the College on adjacent properties, particularly along the eastern property line. The City ofRoseville is moving forward with a 75 foot setback along the eastern property line and a 30 foot setback along the western property line. Staff has included a similar requirement in the conditions of approval to maintain consistency and to reduce the potential impact on adjacent properties. The PUD report indicates that Little Lake Johanna is classified as a General Development (GD) lake in Arden Hills and a Recreational Development (RD) lake in Roseville. The lake designation is set by the Minnesota Department of Natural Resources, and Little Lake Johanna is an RD lake. An RD lake requires a minimum 75 foot setback from the ordinary high water mark despite what is stated in the Arden Hills Zoning Code. The Zoning Code needs to be updated to reflect this requirement set by the DNR. City of Arden Hills Planning Commission Meetingfor October 3, 2007 \\Metro-inet.us\ardenhills\Planning\Planning Cases\2006\06~037 Northwestern College Master Plan (PENDING)\100307 - PC Report- Northwestern College Master Plan.doc Page 5 of 12