Terminal 18 North Apron upgrade

Photos courtesy Port of Seattle
A crane barge is being used to construct inprovements to terminal 18.

Project description:

A sheet pile wall is being installed at Terminal 18 so that berths can be deepened.

In 2002, an expansion project made Terminal 18 at the Port of Seattle the largest container terminal in Seattle and one of the largest in the Northwest. A new project, which began in May 2005, will continue to enhance the capabilities of the port by modernizing the terminal and increasing its ability to handle larger container volumes with the eventual addition of eight Post-Panamax cranes. To prepare for the new cranes, structural modifications will be made to more than 2,500 linear feet of apron and the electric systems will be upgraded.

Other improvements include a new 100-foot gauge landside crane rail that will increase the vertical load capacity for the waterside crane rail over a length of 2,480 linear feet in order to accommodate the future 100-foot gauge container cranes at the terminal between bents 162 and 286.

The 50-foot gauge landside crane rail at Terminal 18 will be realigned and reconstructed and a new 2,440-linear-foot steel pile fender system will be added. The timber fender system at the north end of the terminal will be rehabilitated.

The Terminal 18 North Apron project includes several improvements to the infrastructure at the port, including new water lines, electrical upgrades, enhanced lighting, pavement replacement and demolition.

New work also includes 1,000 linear feet of berth deepening, requiring the installation of a sheet pile wall, as well as dredging and disposal of unsuitable sediment. Additionally, a 1,500-square-foot lunchroom will be constructed at the terminal.

Address: Terminal 18, Harbor Island, Seattle

Cost: $36.15 million (award amount)

Type of contract: Hard bid

Start of construction: May 2005

Expected completion date: August 2008

Contractor: Manson Construction Co.,
5209 E. Marginal Way S.,
Seattle, WA 98134,
(206) 762-0850

Prime consultant: KPFF, 101 Stewart St., Suite 800,
Seattle, WA 98101,
(206) 382-0600

Owner: Port of Seattle

Project participants:

CH2M Hill Dalton Electric DKA Elcon Associates Hart Crowser Port Design Group Sider & Byers Mechanical


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