PCL : Murray Morgan Rehabilitation Project
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Murray Morgan Rehabilitation Project

Project Overview

This project for the City of Tacoma involves the full rehabilitation of a 99-year-old vertical lift bridge over the Foss Waterway in Tacoma, Washington. The structure consists of lattice column and girder construction, two fixed truss spans with integral lift towers, a lift span that houses the span drive machinery and a precast column, and a cap-and-girder approach. The PCL project team is providing lead abatement of the steel structures, along with application of a new three-coat paint system, repairing and improving the structural rating factor from 2 to 80 (out of 100), and replacing the mechanical and electrical systems on the bridge.

When the client expressed wanting to keep some of the existing machinery for display, PCL proposed that a large storm water collection vault (originally to be installed under one of the spans), be constructed above ground. The vault will be adjacent to a future esplanade planned by the client, and will be designed to carry the existing machinery for display to the public. The client approved PCL’s proposal, and later added an elevator to the project scope to connect the bridge to the future esplanade. This will complete forward integration of the bridge rehabilitation into the client’s development plan.

DETAILS

CLIENT:
City of Tacoma
PROJECT LOCATION:
Tacoma, WA
PCL OFFICE:
Seattle – Buildings Construction
COMPANY:
PCL Construction Services, Inc.
SECTOR:
Civil
MARKET:
Bridges
DELIVERY METHOD:
Design-Build

Awards

Outstanding Achievement in Historic Preservation - Washington State Department of Archaeology and Historic Preservation (DAHP)

Excellence in Concrete - Public Works Renovation - Washington Aggregates and Concrete Association