07-11-2016 Council Packet - Laserfiche WebLink

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3 There is an existing private drive that serves the senior housing project to the north. A new private street connection to this private drive is proposed. The applicant should work with the adjacent landowner to ensure that the easements are in place to address access and maintenance for both sites. Sanitary Sewer Sanitary sewer was constructed with the public streets in 2006 and provided 63 sewer services. The sewer connections will be adjusted as needed and new connections added to service the 112 homes. City engineering staff has reviewed the plans and indicated that the existing lift station can accommodate 90 proposed units and the remaining 22 units will gravity flow to the west. The applicant will need to comply with the city engineer’s conditions. Water Supply The trunk water mains and connects were constructed in the streets in 2006 and across the site to serve adjacent properties. As part of this project, the developer will add additional connections to serve the 112 units, relocate and add hydrants as needed. The applicant will need to comply with the city engineer’s comments. Stormwater Management There are two existing stormwater ponds on Outlot B (one on the north and one on the south), that were constructed as part of earlier phases of the Town Center project. The proposal has slightly less impervious surface coverage than the original proposal that the ponds were designed to accommodate. However, the stormwater rules have changed since the project was originally approved and the applicant is now proposing to add infiltration areas adjacent to these existing ponds to provide additional required volume and rate control. The applicant must comply with all city engineering requirements. Wetlands There is one existing wetland on the adjacent City parcel (Outlot C, The Village No. 3) to the east. The Rice Creek Watershed District (RCWD) is the Local Governmental Authority (LGU) for the Wetland Conservation Act and they are reviewing the wetland delineation report. The applicant will need to comply all conditions from the RCWD. Landscaping/Tree Preservation There are no significant trees on site. Existing boulevard trees are in place along the Town Center Parkway. The developer states that these existing trees will be maintained in their current location where feasible. No other existing trees are located on the property. The landscape plan shows 154 new trees and 186 shrubs where 90 trees and 186 shrubs are required. They are also showing an additional 1,426 foundation planting shrubs on site. This exceeds the ordinance requirements. The Environmental Board reviewed this item at their May