Navigation & Channel Improvements

Navigation Hazards, Channel Deepening & Widening, and Vessel Traffic

Listed below are many of the projects we’ve completed for our clients over the years. We’ve chosen to focus and expand on several key examples which are highlighted in blue. Clicking on those projects allows you to view in-depth what services NCI provided as well as details on the project itself.



San Leandro Marina Facilities Replacement

San Leandro, CA

This marina replacement project included the relocation of 13 steel pile aids-to-navigation (ATON) along a two-mile entrance channel to the marina basin. NCI’s services included preparation of plans, specifications, bid documents, cost estimate, and performance of construction management and inspection to oversee the widening of this entrance channel. These ATON structures included piles, platforms, lanterns and ladders. A geodetic survey was required for the relocated ATON structures, with submittals to the National Geodetic Survey and the U.S. Coast Guard.

Port Hueneme Harbor

Port Hueneme, CA

NCI performed a reconnaissance study to determine the feasibility of modifications to the existing harbor entrance, turning basin and berthing areas for the purpose of accommodating deeper draft commercial and military ship traffic. Existing operational limits were assessed and alternative improvements to the approach channel, entrance channel, and turning basin were formulated to accommodate deeper draft and larger vessels. Alternatives were recommended in consultation with Port pilots to improve the narrow navigation channel conditions and the unusually adverse cross-current at the harbor entrance.

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