Ellicott Dredge Enterprises – Baltimore
About
Ellicott Dredge Enterprises – Baltimore is a dive and marine equipment supplier serving Baltimore, MD. Services include equipment sales and service and support. Get in touch to discuss the scope and site conditions.
Hours
| Monday | 8AM-5PM |
|---|---|
| Tuesday | 8AM-5PM |
| Wednesday | 8AM-5PM |
| Thursday | 8AM-5PM |
| Friday | 8AM-5PM |
| Saturday | Closed |
| Sunday | Closed |
Frequently Asked Questions — Baltimore, MD
Why does mobilisation cost make commercial diving quotes vary so much?
Commercial diving is quoted as a crew/spread day rate plus a separate mobilisation charge. Inspection work is often priced per structure or substructure unit, while marine construction is unit-priced per linear foot or per pile. The mobilisation line commonly explains large bid gaps, so compare it separately and confirm what travel, setup, and standby equipment it includes for your site in Baltimore, MD.
What certifications and insurance should I verify before a commercial diving job?
Require OSHA 29 CFR 1910 Subpart T compliance for all commercial diving operations and ADCI consensus standards for dive supervisors. For underwater welding, ask for AWS D3.6M; for concrete work, ACI standards apply, and USACE EM 385-1-1 covers dive safety on Corps projects. Verify insurance covers the full commercial spread, and do not accept recreational scuba certifications (PADI, NAUI, SSI) as a substitute.
When does in-water work make more sense than hauling out a vessel or structure?
In-water hull exams (UWILD) under 46 CFR 71.50-3 cut drydocking time but may limit access to critical areas and require good visibility. Haul-out gives a more thorough survey and eases repair, but adds docking costs and schedule. For potable water tanks, AWWA M42/C652 guidance applies whether you work in-service or after draining. Never approach intakes or gates without isolating delta-P.
What reporting and deliverables should I expect after an underwater inspection?
Expect a written report with video or photo documentation, diver logs, and any measurements or NDT results. For bridge inspections, a FHWA-NHI qualified team leader must sign off per 23 CFR 650.311/NBIS, and state rules vary. The report should separate findings from recommendations and include any safety or compliance notes.
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Ellicott Dredge Enterprises – Baltimore
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