About
Based in Hillsborough Township, NJ, Central NJ welding is a commercial diving contractor. Their service range includes underwater welding & cutting. Call to discuss scheduling, site access and pricing.
Hours
| Monday | 6AM-9PM |
|---|---|
| Tuesday | 6AM-9PM |
| Wednesday | 6AM-9PM |
| Thursday | 6AM-9PM |
| Friday | 6AM-9PM |
| Saturday | 6AM-9PM |
| Sunday | 9AM-9PM |
Frequently Asked Questions — Hillsborough Township, NJ
How does mobilisation work, and why is it sometimes a large line item on the bid?
Commercial diving is priced as a daily crew and equipment spread rate, plus a separate mobilisation charge to bring that spread to your site in Hillsborough Township, NJ. Mobilisation covers travel, setup, and site logistics—not just fuel—so it is often the line item that explains large differences between bids. Inspection work may be quoted per structure, while construction is unit-priced (per linear foot, per pile).
How far ahead do we need to book, and who handles permits?
Lead time depends on season, location, and whether the work is an emergency; we recommend engaging a dive contractor as soon as the scope is defined. The dive contractor can coordinate on-site with the U.S. Coast Guard, Army Corps of Engineers, or local authorities, but the facility owner typically retains responsibility for permit issuance and site access. A pre-job survey will identify jurisdictional requirements.
What will we receive as a deliverable after an underwater inspection?
You receive a formal report with condition assessments, photo/video documentation, and recommendations keyed to the governing standard—for example, FHWA-NHI for underwater bridge inspection or AWWA M42 for tank inspection. The report is signed by the dive supervisor, and for bridge inspections, a FHWA-NHI qualified team leader is involved as required. Raw dive logs, instrument data, and any material test results are included as appendices.
What certifications and insurance should I look for in a commercial diving contractor?
Look for a contractor that complies with OSHA 29 CFR 1910 Subpart T and whose supervisors hold ADCI consensus-standard certifications. For specialized work, the team should have AWS D3.6M certification for underwater welding or ACI certification for concrete inspection. Ensure the operation uses a standby diver and carries commercial liability and workers' compensation; recreational scuba certifications do not qualify as commercial diving credentials.
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Central NJ welding
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