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Debra Bloom, P.11. .Ianuary 15, 2008 City ofAoseville Page 5 PROPOSEQ ®EVELOPMENT AN© RO-4©WAY NETV4dORK REVIEW The Twin Lakes redevelopment area is divided into three subareas (I, II and IIl}. These subareas have been further divided into blocks, comprised of existing parcels (see Figure 3: Twin Lakes AUAR Boundary Map). The proposed McGough Twin Lakes development is contained within the larger Twin Lakes redevelopment subarea I, blacks lb and 2. The proposed development will consist of 475,000 square feet of office space dispersed between. two buildings and 100,000 square feet of lab/research space in one building. There is an option far an additional 30,000 square feet of lablresearch space beyond the initial construction phase. Parking for these facilities will be provided by both surface and structured parking on-site. Figure 4 displays a conceptual site plan layout. The Twin Lakes redevelopment area planning process has yielded an extensive list of roadway improvement recommendations for both the adjacent roadway network and the internal roadway configuration under full build year 2030 conditions. Through subarea I, a north-south roadway is planned to connect County Road C2 an the north with County Road C on the south. In addition, an east-west roadway is planned to connect Cleveland Avenue on the west with Fairview Avenue on the east (Twin Lakes Parkway). As part of this project we have reviewed three subarea I internal roadway configurations, which will provide access from the proposed McGough Twin Lakes development ;to the adjacent roadway network. Based on discussions with City staff, the following three internal roadway configurations were reviewed (see Figure S: Internal Roadway Configuration): 1. Build Twin Lakes Parkwa from Mount Rid e Road to Prior Avenue na connection to Cleveland Avenue ar Fairview Avenue • This includes constructing Mount Ridge Road from Twin Lakes Parkway to County Road C2 and improving Prior Avenue from Twin Lakes Parkway to County Raad C. It should be noted that the internal intersections linking Prior Avenue to Mount Ridge Road are assumed as roundabouts. • These improvements provide access from the proposed development to County Road C2 and County Road C, not directly to CIeveland Avenue along a future Iona Lane (as depicted in Figure 4}. • This is anticipated to be an interian condition. 2. Build Twin T.,akes Parkway from Cleveland Avenue to Prior Avenue This provides a direct connection from the internal Twin Lakes redevelopment area to Cleveland Avenue and access to the regional roadway network. This alternative is included to determine the need for a complete Twin Lakes Parkway connection to Fairview Avenue. 3. Build Twin Lakes Parkwa, f~o_Prior Avenue to Fairview Avenue • This completes the connection of Twin Lakes Parkway from Cleveland Avenue to Fairview Avenue.