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Investigations & Surveys

S. T. Hudson Engineers Inc.'s 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. Our condition surveys often include ultrasonic flaw thickness measurements, underwater still and video photography, concrete and timber core sampling and other in-situ testing. We are equipped for, and experienced in surveys, which are conducted in cold water and "black water" conditions. We have particular expertise in the detection of marine borers.

S. T. Hudson Engineers Inc.'s condition survey reports 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.

Hudson Engineers' in-house survey crews use the latest equipment and technology to perform hydrographic, side-scan, and scanning sonar 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.