Construction Case Studies

transportation services

City of Newport Beach, CA

Project Title:

Jamboree Widening at SR-73 Construction Management

Project Elements:
  • Complex construction phasing plan
  • Limited staging area/yard area
  • Traffic management on a heavily traveled road
  • Caltrans Cooperative Agreement compliance
  • Staging of SCE relocation
  • Utility protection and relocations
  • Bridge foundation with piles and tiebacks
  • Local business accessibility and signing
Project Duration:

2010-2012

The City is using local funds to improve traffic flow on Jamboree Road from Bayview Way to MacArthur Boulevard. The improvements will provide for one additional through travel lane in each direction resulting in 10 lanes total.

The project includes construction management and inspection of:

  • Widening of the west side of Jamboree Road
  • Widening of the existing Jamboree bridge over SR-73
  • Construction of retaining walls and a stairway adjacent to Back Bay Court
  • Traffic signal and signing modifications
  • Reconstruction of raised medians
  • Landscape and irrigation improvements
  • Modification and/or protection of existing utilities
  • Construction of full width bridge approach slabs
  • Storm drain modifications

In addition to the construction management activities during construction, our team performed biddability and constructability reviews of the plans, specifications and estimates in order to assist the City with obtaining the most responsive and reliable bids. The estimated construction cost is approximately $5 million.

transportation services
transportation services

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