ELLIOTT BAY - DUWAMISH WATERWAY EAST
General / Marine Construction (Excluding Bridges) / Dredging
Pacific Pile and Marine will be conducting dredging operations in the Lower Duwamish Waterway Upper Reach Remedial Action (RM 3 – RM 5) from 01 Oct 2026 – 15 Feb 2027. Standard working hours are Mon-Sat 0600-1630. Working vessels include Construction barges, tugboats, survey boats and work skiffs. All barges will be lite with white all-round lights at each corner. Cautionary Buoys (3.6 ft height, white with black lettering and orange stripes) will designate working area. All vessels will be maintained and monitoring VHF Channel 16. Mariners are urged to transit at their slowest safe speed to minimize wake and keep a 100 ft district from working vessels. For additional information, please contact the Contract Representative Andrea Harwood and Ben Nguyen at 206-331-3873 or [email protected] or [email protected]
USCG Northwest District Local Notice to Mariners 45/2026