The Toyo removes material smaller than 1 ¾” and leaves a pile of clean rock below the intake that it’s unable to pass. The project I’m currently on we brought a 6” Toyo pump because the seafloor was to be consisting of sand and silt, but it’s actually a mixture of sand, silt, and rocks up to 8” diameter. If you have any questions, please call the Public Works Engineering Department at (650) 286-3270.I’ve been in the marine construction industry for 26 years and have done my share of dredging using various sizes of submersible trash pumps. Access to the levee pathway will be maintained at all times. To minimize inconveniences to the public, construction activities will be limited to the hours between 8:00 am and 5:00 pm, Monday through Friday. Residents may also experience increased odor emanating from dredging operations. As part of this project, the contractor will also replace intake gates that have reached their useful lives.ĭuring construction from September to mid-November, Bayfront Court residents may experience minor construction related noise. The contractor will use a clamshell bucket from a barge stationed on the bay side and load the dredge material onto vessels, which will then be transported to the Cullinan Ranch disposal site near Vallejo, CA. The dredging work will remove approximately 13,000 cubic yards of sediment to restore the channel back to the 1978 condition when it was last dredged. Over the years, sedimentation has built up on the bay side of the intake gates, resulting in limited water flow into the lagoon. The water level and the water quality in the City's interior lagoon is controlled by allowing bay water to flow through the intake gates and pumping water out of the Lagoon Pump Station located at the Corporation Yard on East Third Avenue. will begin dredging the Angelo Slough located near Sea Cloud Park. Contact: Allan Shu, Engineering Manager, (650) 286-3271, September 1, 2017, the City's contractor Salt River Construction Corp.
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