The Chevron Eureka Terminal provides a critical economic lifeline to northern California as it is the only active marine-based petroleum terminal serving the Greater Eureka area (approximately 260 miles north of the San Francisco Bay Area). During the MOTEMS initial audit, the existing facility was found seismically deficient and required seismic retrofit. Moffatt & Nichol and geotechnical consultant EMI developed a float-in construction replacement platform design that minimized facility downtime, satisfied the regulatory requirements, and reduced risk of loss to the facility. This paper discusses the criteria and analytical methods used, the design and construction approach and their impact on material selection and operational impact, and presents lessons learned from the completed construction.
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