Capability:
Special Projects
Location:
California
Client:
Power Engineering Construction Company

Downtown San Francisco Ferry Terminal Expansion

Structural design of two new steel floats and retrofit of an existing float to expand Bay Area ferry service and maintain emergency response

To accommodate growing ridership, WETA expanded its Downtown San Francisco Ferry Terminal, adding two new ferry gates and refurbishing an existing one to better accommodate its expanding fleet. The terminal also needed to remain operational after a major earthquake — a vital consideration for a region where ferry service becomes a lifeline when bridges and highways are compromised.

The Challenge

Designing and constructing two new ferry gates and retrofitting a third at one of the Bay Area's busiest terminals demanded careful coordination from the start. The structure had to be robust enough to meet seismic design requirements while remaining aesthetically pleasing for a prominent waterfront facility. Construction in a constrained, high-traffic location had to be executed efficiently, with minimal disruption to ongoing ferry operations, all under an aggressive project schedule.

Our Approach

Liftech provided structural design for two new steel floats complete with berths, mooring systems, and passenger superstructures, along with three new steel gangways with fabric roofs connecting land to the floats. Liftech also performed a structural assessment and retrofit of an existing float to improve compatibility with the current ferry fleet, and designed new steel guide piles, dolphin piles, and fender systems to assist with vessel berthing. Because the gangways and superstructures serve the public, the design also had to meet ADA accessibility requirements while accommodating ferries of varying sizes, boarding heights, and berthing positions.

project details
Year completed
2019
location
California
client
Power Engineering Construction Company
services provided
Design-build
Ferry / Transit Infrastructure
Maintenance and Repair
Structural Engineering

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