Notice of Study Commencement, Highway 417 Bridge Replacement/Rehabilitations and Operational Improvements, Detail Design

From the Ministry of Transportation:

The Ministry of Transportation (MTO) has retained MMM Group Limited, a WSP company, to complete the Detail Design and Class Environmental Assessment (EA) Study for the replacement/rehabilitation of 10 bridges (5 sites) on Highway 417 between Preston Street and Percy Street, as well as operational improvements on Highway 417 from Island Park to east of Lyon Street, in the City of Ottawa (GWP 4173-15-00). The project involves the following components:

• Replacement of the Rochester Street Overpass, Booth Street Overpass, and Bronson Avenue Overpass structures using rapid replacement construction techniques;
• Preparation of temporary enclosed construction staging areas for the bridge replacement activities, including: construction of equipment access routes, new bridge components and demolition of existing bridges;
• Construction operations on City streets to provide the rapid replacement equipment with access from the construction staging areas to the bridge sites;
• Rehabilitation of the Preston Street Overpass and Percy Street Overpass using rapid rehabilitation construction  techniques;
• Demolition of 458 Catherine Street (A1 Mini Storage facility) and construction of an earth embankment across the limits of the existing retaining wall at this site;
• Replacement of existing noise barriers on Highway 417 at the following locations: On the north side of the highway, from Island Park Drive to east of Parkdale Avenue; On the north side of the highway, from the Rochester westbound on-ramp, east to Bronson Avenue; and on the south side of the highway, from Island Park Drive to west of the CPR/O-Train Overpass
• Implementation of Queensway Context Sensitive Design recommendations related to structural design elements, noise barrier design, fencing and landscaping, where applicable;
• Construction of related works including; tall wall median concrete barrier and drainage improvements from the CPR/O-Train Overpass to the Kent Street Overpass; retaining walls; illumination; overhead, bridge and ground-mounted signage; utility relocations; and roadside protection, as required.
• Traffic management for construction staging and the rapid replacement operations will be coordinated with the City of Ottawa.