Arizona Demonstration Project: Reconstruction of SR 179 in Sedona Using a Needs-Based Involvement Plan
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2013-06-01
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Abstract:As part of a national initiative sponsored by the Federal Highway Administration (FHWA) under the Highways for LIFE (HfL) program, the Arizona Department of Transportation (ADOT) applied for and was awarded a $1 million grant to showcase and demonstrate the use of innovative construction sequencing and a needs-based involvement plan (NBIP) for reconstruction of SR 179 from milepost 310.5 to 313.8, including a portion of SR 89A from milepost 374.0 to 374.2, in Sedona, AZ. Also included in this report are construction details of several roundabouts, retaining walls, a pedestrian overpass, water filtering devices, and the details of staged construction for the Oak Creek Bridge. Overall, the innovative construction features and management of ADOT’s HfL project included the following: Innovative public outreach campaigns, Innovative sequencing and staged construction techniques, Performance contracting (lane rental), NBIP, Reverse cantilever (L-shape) retaining walls, Implementation of a new project management system, Pilot program to train local law enforcement personnel, Lightweight fill (foamed concrete), Innovative oil/sediment filtering system for storm drain system next to Oak Creek, Prefabricated bridge components. Reconstruction of SR 179 was a great success, and ADOT was able to meet the HfL project performance goals on safety, construction congestion, quality, and user satisfaction.
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