8. EDSR 01-9-2012 - Laserfiche WebLink

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Ulysses Street. The remaining two lots would access off of the newly proposed east-west local roadway. Proposed Improvements The proposed public infrastructure including sanitary sewer, watermain, storm sewer, and street improvements are shown in the attached figures. The street improvements include two scenarios which are broken down as Ultimate Improvements and 2012 Street Improvements. The Ultimate Improvements include the extension of Twin Lakes Road, as a major collector, from its current location just west of the existing railroad tracks and extends to the south towards the future connection with TH 10. It includes a new roundabout and the relocation of the connection to 17155 Avenue. The proposed ultimate street section for Twin Lakes Road is a major collector, urban four-lane divided roadway, consistent with the existing Twin Lake Road section to the north. Two new local streets are also included that intersect with Twin Lakes Road and provide access to the new developable city owned lots to the east and west. Both proposed local streets would be two lane cul-de-sacs and would provide access to the adjacent property, eliminating direct access points for single lots onto Twin Lakes Road. The 2012 Street Improvements have been designed to facilitate development of the city's Phase 1 parcels prior to the Ultimate Improvements being constructed. This design will leave the current alignment of Twin Lakes Road and 171St Avenue intact. A temporary connection to 17151 Avenue would be installed immediately across from the existing commercial driveway on the north side of 1715` Avenue and extended south to the southern limits of Phase 1. The two lane urban roadway would be designed to eventually be the easterly half of the ultimate Twin Lakes Road cross section. The portion of the new roadway from 17151 Avenue to the southern edge of the future roundabout would need to be removed when the Ultimate Improvements are completed; however, the remaining portion of the roadway would stay in place. The local cul-de-sac streets providing access to the adjacent property do not change from what is shown for the Ultimate Improvements and they would also stay in place. The 2012 Improvements along Twin Lakes Road will serve the adjacent lots until Phase 2 of the development is developed. When Phase 2 is developed, Twin Lakes Road will be extended to an at grade intersection with TH 10/169. As part of the Phase 2 improvement, the Twin Lakes Road alignment through Phase 1 will be upgraded to the ultimate four-lane roadway with amulti-lane roundabout as the primary intersection at 1715[ Avenue. Sanitary sewer is proposed to be connected to the existing 15-inch sanitary sewer line located at the northwest corner of the site. The new sanitary sewer would be 12-inches in size and would be extended east along the proposed local cul-de-sac and then south on Twin Lakes Road to the project limits. The proposed size is sufficient to serve the remainuig undeveloped property to the south located within the Urban Service Area. A smaller 8-inch sanitary sewer main will be extended on the local cul-de-sac east of Twin Lakes Road, as well as north on Twin Lakes Road to provide service to the vacant property in those locations. The proposed waterma±n includes a connection to the existing 16-inch watermain that is located within the southern right-of--way of 17155 Avenue and would follow the alignment of the 2012 Street Improvements. The new 12-inch watermain would be extended south to the project limits. The proposed 12-inch watermain is sized to provide future service to the undeveloped property to the south that is located within the Urban Service Area. In addition, 8-inch watermain would be extended in the proposed cul-de-sacs east and west of Twin Lakes