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Mark Duffy Commercial Diving

Contact & Details:

Address 6124 Philadelphia Drive
City Dayton
State Ohio
ZIP Code OH 45415
Country United States
Phone (937) 272-3624
Email mark@markduffycommercialdiving.com
Website www.markduffycommercialdiving.com
Description PIPELINE PROJECTS: Intake and outfall pipeline from 6" diameter to 144" diameter, both inshore and offshore, Materials include: Pre-stressed concrete, HDPE, and steel, Assembly processes: Hydro-pull, Mechanical, Flange-ups, Hydraulic horses, Spool piercing / BRIDGE AND PIER CONSTRUCTION AND REHABILITATION: Visual and video inspections of wood, concrete and steel piles with detailed reporting, Pile cleaning, jacketing, splicing, posting and removal, Pier foundation and scouring assessments, Cofferdam removal by underwater cutting methods / POWER PLANT PROJECTS: Intake and discharge pipeline construction for cooling water systems, Penetration, inspection and cleaning of pipelines and approach tunnels, Remedial installation of zebra mussel protection systems / BOAT SERVICES (DOLPHIN III): Fully equipped 45' Dive boat, Can be chartered fully manned or bare boat, Equipped for surface supply commercial diving operations, Can work in water depths of up to 100' / TURNKEY QUALITY CONTROL SPECIALISTS: Inspection and documentation of all materials prior to marine installation, Inspection and reporting of ditch and bedding preparation prior to pipeline installation, Visual and video inspection of each joined pipe section as deployed, Witness to each joint pressure test, Notification to client of divergences from job specifications and tolerances, Consultation with client to offer professional opinions as to project events, Written reports are supplied daily with all video footage preserved and archived, Weekly progress meetings are attended with all parties involved. / OILFIELD SERVICES: Installation, inspection and repair of oil and gas pipelines and offshore platforms, Removal and installation of offshore tanker loading system, Non-destructive testing of marine structures / OTHER SERVICES: Dams, Blasting and Demolition, Certified Welding, Potable Water System

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