Oceaneering Marine Services Division
About
Oceaneering Marine Services Division, an offshore and subsea diving contractor, operates out of Chesapeake, VA. Their service range includes underwater welding & cutting and offshore & subsea diving. Reach out for a quote covering crew, equipment and mobilisation.
Frequently Asked Questions — Chesapeake, VA
How far in advance do I need to schedule a dive team, and how does mobilisation work in Chesapeake, VA?
Mobilisation is quoted as a separate line from the daily crew/spread rate. It covers vessel transit, equipment handling, permits, and travel to Chesapeake, VA; the distance from the dive contractor's home base and any site-specific access restrictions or weather windows drive most of the schedule. Ask your contractor for a mobilisation plan that lists permits, vessel logistics, and contingency time so you can compare bids fairly.
What does a typical commercial diving quote include, and why are two bids for the same job so different?
Commercial diving is usually quoted as a crew/spread day rate plus a separate mobilisation charge. Inspection work is often priced per structure or per substructure unit, while marine construction is unit-priced (per linear foot, per pile). The mobilisation line is the most common reason for a large gap between two bids, so always ask whether it includes vessel time, setup, and demob.
What certifications and insurance should an underwater contractor hold for subsea inspection and repair in the US?
The operation must comply with OSHA 29 CFR 1910 Subpart T, and dive supervisors should follow ADCI consensus standards. Depending on the asset, you may also need specific qualifications—such as an FHWA-NHI qualified team leader for bridge inspections or AWWA M42/C652 practices for potable water tanks—and the contractor should carry general liability, workers' comp, and marine insurance. Always ask for proof of in-date commercial diving insurance, not recreational scuba cards.
When is an in-water inspection preferred over hauling the asset out, and what are the trade-offs?
In-water (UWILD) hull exams are accepted under 46 CFR 71.50-3 for vessels, and in-water work avoids drydock costs and outage time for many structures. The trade-off is that inspection access, lighting, and cleaning are more limited underwater, and any repairs requiring dry conditions may still force haul-out. A commercial dive team with proper standby diver support can perform many inspections and minor repairs in place, but the decision depends on the asset's condition and the scope of work.
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