Post-Hurricane Platform Surveys: The BSEE Timeline You Cannot Miss
By Dutch Hollander, Offshore diving superintendent. Reviewed by Amanda McCallister, editor.
Underwater Inspection | Commercial Diving Contractors Alabama I was in the ops room in Port Fourchon when the first call came after Hurricane Ida. The wind had finally backed down to a blow, but BSEE was already on the radio asking for flyover slots. That's the thing about the Gulf—you don't get a 'storm passes' day. You get a clock. That clock is the BSEE post-hurricane inspection timeline. It's not a suggestion from HQ. It's a regulatory requirement under 30 CFR 250.108, and missing it costs you time, money, and credibility with the agency. I've seen operators lose days because they waited for a weather window that was already in the plan. Let me break down what I've learned in nineteen years of diving these platforms after hurricanes. This is the schedule that matters.
The 24-Hour Flyover: What You Actually See
The first deadline is 24 hours after the hurricane's eye passes your field. That gives you enough time to get a helicopter up. We use Airbus H145s out of Houma—those guys are the best. You're looking for obvious damage: a tilted deck, a missing crane, a boat landing torn loose. But the flyover isn't the full inspection. It's the triage. And that's where operators fail. They treat the flyover as a checklist. They don't coordinate with the dive team until the report is due. By then, BSEE's already asking for your underwater plan. The flyover is a reconnaissance mission, not an inspection. Call it a 'pre-inspection' if you want. It tells you where to send divers, not whether you need them.
The 72-Hour Report: Planning the Underwater Scope
Within 72 hours, BSEE wants a written report of what you saw and a plan for a thorough inspection. That plan has to include the underwater work—because the flyover can't tell you if a conductor is scoured or a riser is hanging by a thread. You need divers or an ROV, and you need to specify which. There's no one way to do it. If it's a shallow platform in 100 feet of water, we'll put air divers down with a Kirby Morgan 37 helmet and a video camera. If it's a 500-foot tower in the middle of the Gulf, we might use an ROV like a Seaeye Falcon or a work-class unit from Oceaneering. The point is, BSEE wants to see a plan that's based on actual conditions, not a template. I always tell operators: over-plan, because BSEE will ask questions you didn't think of.
Underwater Inspection: What the Divers Actually Do
The underwater inspection is where I live. We do a visual survey of every leg, every brace, every riser and conductor. We're looking for cracks, scouring, exposed pipe, displaced mudline. We use ultrasonic thickness gauges to check wall loss—those readings tell us if the steel is still good or if we've got a weak point. And it's not just looking. We check cathodic protection anodes—if they're depleted, you've got corrosion risk. We also check fenders and bumpers. It's a systematic process, but it's also a judgment call. You'll see a scribe line on a conductor that's just below the mudline, and you have to decide if it's a scratch or a crack. That's where experience pays off. Speaking of experience—you ever notice how every 'hundred-year storm' seems to come every five years? That's not a digression, it's the reason we keep doing this.
The Non-Negotiable List (and the Common Mistakes)
Here's the short list of what BSEE expects to see in your post-hurricane underwater report: (a) all primary structural members photo-documented, (b) a potential-to-mudline inspection of all conductors, (c) anodes and cathodic protection readings, (d) a statement on any debris that could interfere with operations. If it's not on the list, it's not covered. The biggest mistake I see is companies cutting corners. They'll do a flyover and say 'fine' and then try to get a blanket approval to reoccupy. BSEE's not stupid. They've got aerial imagery, they know where the storm surge went, and they'll ask pointed questions. If you don't have a dive team on the water by day four, you're going to be explaining why.
Frequently Asked Questions
What is the BSEE requirement for post-hurricane inspections? BSEE requires operators to conduct an initial flyover within 24 hours of the storm passing, submit a written report within 72 hours, and carry out a full underwater inspection before resuming production. This is under 30 CFR 250.108. Do I need a dive team or can I use an ROV? Both are acceptable depending on water depth and conditions. Shallow water can use air divers, deep water needs work-class ROVs. The key is that BSEE wants a plan that matches the platform's risk. What happens if I miss the 72-hour deadline? You could face fines, stop-work orders, and a delay in your ability to bring personnel back. It also hurts your standing with BSEE for future operations. How long does an underwater inspection take? Depends on the number of platforms and water depth. A typical single platform in 200 feet might take two to three days with divers. A deepwater installation might need a week with an ROV.