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From aging infrastructure to unknown underwater conditions, clear information is the foundation of safe, successful marine work. Nemo Marine Group offers a full range of survey and inspection services for docks, vessels, waterfront structures, and submerged systems. Whether you're assessing damage, planning construction, or meeting regulatory requirements, our dive-qualified team delivers detailed reports, HD video documentation, and actionable insights — topside and below.
Visual and structural assessments of pilings, floatation systems, bracing, hardware, decking, and moorage conditions.
Inspection and documentation of floating homes, houseboats, and boathouses — including flotation, framing, anchoring, and alignment.
Hull surveys, zinc condition checks, fouling assessments, leak detection, and underwater hull inspections for all vessel types. Air, pressure, or visual testing for hull breaches, pipe leaks, or system seepage — both above and below the waterline.
Shoreline structure assessments, erosion monitoring, and aquatic vegetation mapping for compliance, restoration, or development.
Underwater and topside methods including ultrasonic thickness readings and magnetic particle testing to detect corrosion, cracks, or weld failures without damaging materials.
Remote Operated Vehicle surveys for limited-access or deep-water areas — capturing HD video with optional sonar or laser scaling.
Professional-grade visual documentation before, during, or after work — ideal for insurance, permitting, or maintenance tracking.
Review of moving parts, anchor points, framework, welds, flotation, and load-bearing components for integrity and operational safety.
Visual and NDT-based evaluation of underwater and topside welds to identify cracking, undercutting, or porosity.
Partnership-based surveying for waterfront construction, permitting, and boundary assessments — integrating land and water features.
We inspect with precision and document with purpose. Our divers are trained in structural assessment, NDT procedures, and inspection-grade video capture. Whether you need a one-time condition report or ongoing survey support, we deliver clear, code-compliant findings you can build on.
Based in Seattle and operating statewide, we service marinas, waterfront homes, industrial sites, and agency-managed properties with full inspection capabilities.
Need eyes on a project site, vessel, or structure?
Contact us to schedule an inspection or request a sample report.
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