Welding and Fabrication

In-House or Job-Site Welding & Fabrication Services

Black Dog Diversí welding and fabrication services are provided for customers and contractors at either their requested jobsites or at Black Dog Diversí in-house facility in Portsmouth, NH.

Services include but are not limited to:
Pipe Welding, Burning, and Fabrication
Barge Fabrication and Repairs
Work Float Fabrication (Medium & Heavy Grade, various sizes available)
Underwater Welding and Burning - including Pile Jackets & Cathodic Protection
Trash Racks & Stop Log Fabrication, Installation, and Removal
Coffer Dam & Steel Sheet installation and removal
Pier & Ship Hull maintenance

Put our experience of more than 19 years to work for your projects!

We work with company-owned and operated equipment, and follow all OSHA safety and maintenance requirements.

MA Commercial Diving - NH Commercial Diving - ME Commercial Diving - Commercial Diving Services - Demolition Services - Marine Construction Services
Haz-mat Services - Remote Operated Vehicle - NH Commercial Divers - ME Commercial Divers - MA Commercial Divers