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Our in-house engineering department provides the technical support necessary to ensure that all structural, piping, electrical and mechanical systems are installed or rebuilt in accordance with applicable technical requirements. We can take your design concepts for a new-build or alterations to an existing vessel and prepare fully developed installation drawings, for work that will be performed by Bay Ship & Yacht.

Vessel Services:


• Structural modifications
• Re-powering
• Vessel ride control
• Stability analysis
• Rudder and stabilizer design
• On-site inspections and data collection
• Regulatory agency conformance

New Vessel Design and Engineering:


• Work vessel designs
• Preliminary to complete detailed designs
• Cost estimates
• Project Management

From structural modifications to custom boat new-build designs, our on-site team of naval architects and marine engineers offers expert advice, technical drawings and analyses for all types of commercial vessels, traditional wooden ships and recreational boats.

We provide preliminary to completely detailed drawings, dockside inspections and data collection, regulatory agency conformance assistance and on-site engineering and technical support to ensure that your vessel modification or new build runs smoothly.

Put Bay Design & Engineering expertise to work for you. Contact Joel Welter, Bay Ship & Yacht chief naval architect at
 (510) 337-9122 or email

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