February 27, 2020

2019 NYS Code Requirements of Parking Garage Structures Inspections and Maintenance

All parking garages under the jurisdiction of the New York State Uniform Fire Prevention and Building Code must undergo a periodic condition assessment to help ensure structural integrity and user safety. This is a recent mandate resulting from a...

February 13, 2020

Combined Kinematic and Inertial Seismic Analysis of Marine Structures

In performance-based seismic design, a marine structure is designed for inertial loading effects associated with the dynamic response of the structure. Some waterfront structures also experience seismically induced kinematic effects, associated...

February 13, 2020

Rehabilitation, Safety Improvement, and Life Extension of a Geriatric Concrete Marine Oil Terminal

By: Gayle Johnson, William Bruin, Cheng Lai, John Chun

This paper will describe a $16M rehabilitation program of a 1960’s vintage, reinforced concrete marine oil terminal at the Port of Long Beach intended to enhance the performance and operational life of this critical infrastructure. The...

February 13, 2020

Seismic Fragility and Risk Assessment of Waterfront Structures at the Port of San Francisco

By: Gayle Johnson, Justin Pyun, Hope Seligson, Matt Wickens

A $5B program is underway at the Port of San Francisco to strengthen or replace the three mile long seawall. Part of the program is a multi-hazard risk assessment, evaluating the consequences of flooding due to sea level rise and earthquake...

February 13, 2020

Upcoming Changes to ASCE/COPRI 61-19 Chapter on Ancillary Components

By: Gayle Johnson, Brett King

ASCE/COPRI 61-14, Seismic Design of Piers and Wharves covers the seismic design of ancillary components in a brief Chapter 8. The only ancillary components covered in any significant detail are pipelines, container cranes, and marine loading arms...

February 13, 2020

Performance Based Seismic Retrofit Solutions for Wharf Preservation

By: Sam Yao, Muhammad Naeem, Joshua Core, Sara Barrett

Brooklyn Basin is a multi-billion-dollar real estate development of the former Port of Oakland 9th Avenue Terminal located along the Oakland Estuary. The centerpiece of the development is the 10 acre shoreline park which includes a 1,200 foot...

February 13, 2020

Analysis of Measured Marine Oil Terminal Berthing Velocities

Berthing velocities for design of fender systems have long been based on old and incomplete data, often from studies dating as far back as the 1950s. Both PIANC and MOTEMS continue to use values based on these old datasets in their...

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