Port of Everett South Terminal Wharf and Electrical Upgrades – Phase 2
- Services Civil Engineering, Structural Engineering, Waterfront Engineering
- Market(s) Cargo Terminals, Piers & Wharves, Ports & Waterfront
- Owner Port of Everett
- Contractor Advanced American Construction
- Team Special Projects – Seattle, WA Special Projects – Tacoma, WA Seattle, WA
KPFF was the prime project manager and performed civil/structural engineering for the $30M+ Marine Terminal Modernization Program. This program, included multiple key projects for the Port of Everett which greatly improves and diversifies the functionality of the South Terminal by strengthening the existing 1970’s Weyerhaeuser concrete wharf, providing electrical infrastructure for multiple crane types, providing key infrastructure for future vessel shore power, and by relocating the Port’s existing maintenance transit shed building for continued effective use. The purpose of this program is to support ongoing terminal RO/RO and break bulk operations, while modernizing and diversifying the Port’s cargo handling capabilities by the addition of two 100-foot gauge rail-mounted gantry cranes. This goal was achieved, in part, by providing new crane beams and doubling the wharf’s live load capacity from 550psf to 1,000psf. The program included: Under dock inspection led by KPFF, including a dive sub-consultant to determine and record the extent of concrete pile and pile cap deterioration, photo catalogue pile cap distress, and develop contract drawings for pile cap repair. Significant structural repairs to 28 of the existing concrete wharf pile caps which included chipping away deteriorated concrete, replacement of significant reinforcement, installation of concrete cathodic protection anodes, and installation for Fiber Reinforced Polymer (FRP) wrap repairs. The addition of new cast-in-place crane beams supported on new 24” diameter steel piling .27 new cast-in-place concrete pile caps supported on new steel piling driven through the existing deck. Design and installation of a new modular wetland stormwater treatment system for ISGP. Installation of electrical infrastructure including a new substation to provide power for container cranes, mobile harbor cranes, and the potential for future shore power for cold-ironing vessels at berth. Seismically upgrading and moving the existing 40,000 square foot cargo transit shed (Building T-5) to another location on site, including procurement of a heavy move contractor and a separate site preparation and utility relocation package. Construction support services including engineer oversight of the repairs and FRP installation which required significant coordination with the Port, the Port’s inspectors, and the Contractor to verify demolition limits, reinforcing replacement paradigms, and FRP placement locations in order to control costs and provide a long lasting repair installation. Review and oversight for moving container cranes across the wharf during construction to begin the commissioning process upland. Construction on the wharf upgrade started in May 2018, and was completed in early 2020, with the wharf structure designed to a support future -45-foot berth depth. Dredging of the berths has been deferred to a future project due to the fact that the site is located within the former Weyerhaeuser Mill A MTCA cleanup boundary.
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