Certificates of Insurance for Marine Work: Jones Act, USL&H and Why Yours Is Wrong
Jones Act or USL&H? Port authorities check specific coverages on marine contractor COIs. Learn what's missing.
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In-House Dive Team vs Contractor: The Break-Even Math
Compare the real costs of building an in-house dive team vs. contracting out. Break-even math, hidden costs, and a plant manager's verdict.
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Reading a Dive Report: What a Good One Contains and a Bad One Hides
A former state bridge engineer explains what a good underwater inspection report includes, and what a bad one tries to hide.
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The Complete 2026 Buyer's Guide to Underwater Services
How to hire the right underwater services contractor in 2026 – certifications, safety, equipment, pricing, and contract red flags from a dive supervisor.
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Emergency Dive Call-Outs: What 24-Hour Response Really Costs
What does an emergency dive service really cost? Mobilisation, day rates, standby fees, and more. See how the bill breaks down.
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Who Actually Needs a Commercial Diver? Nine Asset Owners Who Do
A commercial dive supervisor explains which asset owners really need divers — and why inspections before failures are worth every dollar.
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Commercial Diving Glossary: 80 Terms in Your Scope of Work, Decoded
ADCI diver and supervisor breaks down 80 commercial diving terms you'll see in your scope of work, from pneumofathometer to saturation.
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Scuba vs Surface-Supplied: Why It Changes Your Liability
Ray, 28-year dive supervisor, explains why surface-supplied diving carries different risk and liability than scuba, and when it's worth it.
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How to Write an Underwater Services RFP That Gets Comparable Bids
Learn how to write an underwater services RFP that produces comparable bids. Define scope, deliverables, pricing, and evaluation criteria.
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The Mobilization Charge Nobody Warns You About
A procurement analyst explains why dive contractor mobilization costs are so high, what they actually cover, and how to reduce them in your next contract.
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Day Rate, Job Rate or Unit Price? How Dive Contractors Actually Bid
Understand how dive contractors bid with day rates, job rates, or unit prices, and what they mean for your underwater budget.
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ADCI, OSHA and Why Your Cheapest Dive Bid May Be Uninsurable
Why ADCI certification matters for underwater contractors, OSHA compliance, and insurability. Ray, ADCI supervisor, explains what cheap bids miss.
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