Investigations and Surveys: Overview

Marine Survey Experts - Hard-Hat Underwater Inspections & Surveys

Hudson’s in-house survey crews use the latest equipment and technology to perform high resolution multibeam surverys, dual frequency single beam surveys, scanning sonar operations,  and side-scan surveys. Our certified hydrographers and engineers consult on a variety of dredging related issues, including preparation of specifications, pre- and post-dredging surveys, monitoring of siltation rates, volume calculations for payment quantities, and assistance in obtaining required local, state and federal permits.


Our in-house team of professional, hard-hat divers have a wide range of experience in underwater inspections, providing services to clients throughout North America and the Caribbean. Condition surveys often include ultrasonic thickness measurements, underwater still and video photography, concrete and timber core sampling and other on-site testing. We have particular expertise in the detection of marine borers.


Hudson condition survey reports’s set the standard for content, quality, and detail. Our underwater construction background provides a solid basis for the development of viable, cost-effective repairs, prioritization of construction, and reliable estimates that allow our clients to appropriately allocate and schedule maintenance funding.