Marine Construction, Inspection, and Salvage
River Terminal Inspection and Repair
Underwater Wheel Obstruction Removal
Underwater Hull Inspections
Diver Operated Dredging
Pumping, Jetting, and Airlifting Material
Potable Water Tank Inspection, Cleaning, and Repair
Contaminated Diving Work
Pipeline Inspection, Cleaning, and Repair
Confined Space Entry In the Wet or Dry Including Providing Confined Space Rescue Teams
Clearwell, Wet Well, and Reservoir Inspection, Cleaning, Repair, and Maintenance
Underwater Concrete Installation and Repair
Underwater Cutting and Welding
Sidescan and Sector Scan Sonar Operation
Hydrographic Soundings
Acoustic Doppler Current Profiles
Freshwater Mussel Surveys and Relocations

MCDI has personnel with extensive training and experience in underwater inspection and construction techniques and have successfully performed underwater inspection, construction, and maintenance projects on numerous dams, large and small bridges, pipelines, water intake and outfall systems, stilling basins, mooring cells and mooring dolphins, docks, water storage tanks, wastewater treatment facilities, marine ways, and commercial vessels and barges. MCDI crews routinely work at heavy construction sites, major industrial sites, power plants, and governmental sites.

MCDI’s inspection capabilities include:

State of the Art Closed Circuit Underwater Television with Audio
Hydrographic Soundings
Mesotech Scanning Sonar Inspections
Video Inspection and Internal Pipe Cleaning
Side Scan
NDT Ultrasonics
Pit Gauge Readings
Mil Thickness Readings
Coating Adhesion Testing

In addition to outside training, MCDI has an extensive in-house training program that includes:

Inspection Techniques
Underwater Video Inspection Methods
Documentation of Findings
Underwater Construction Techniques
Rigging
Underwater Cutting Procedures
Safe Working Procedures
Underwater Coatings Application
Contaminated Diving Procedures
First Aid/CPR and O2 Administration Training

In addition to commercial diving certifications, MCDI has personnel on staff with:

National Highway Institute Certified Bridge Inspector Training (80 hour course-Federal Highway Administration)
National Highway Institute Underwater Bridge Inspection Course (FHWA-NHI-130091)
Underwater Bridge Inspector’s Training Course (40 hour based on Bridge Inspectors Training Manual 90)
OSHA 30 Hour Construction Industry Outreach Training
Hazardous Material Training (OSHA 40 hour training)
Scour Monitoring and Instrumentation Training (Federal Highway Administration 12 hour Training)
Protective Coatings Training – Level 1
Confined Space Entry
Nuclear Fuel Handler Training
Enriched Air Nitrox Diving Certification
DAN Oxygen Provider for Diving Emergencies Certification
Hyperbaric and Undersea Medical Training (certified decompression chamber operator)
First Aid/CPR Instructor Training Certificate
Non-Destructive Testing

MCDI is a General Member of the Association of Diving Contractors, International (ADCI).
The ADCI`S goals are to promote safety, education, and communication within the diving industry. In addition to certifying commercial divers, the ADCI works with government agencies to establish regulations and standards. Mainstream meets or exceeds all OSHA regulations and ADCI Consensus Standards for Commercial Diving. In addition, all required paperwork and certifications are kept current on all personnel and equipment including dive physicals, CPR and first aid, oxygen administration for diving accident training, air tests, hose tests, pneumofathometer tests, etc.

All of MCDI’s diving personnel are ADCI certified commercial divers.
MCDI is not only committed to maintaining our own excellent quality and safety record, we are committed to doing our part to ensure the reputation of the companies that we work with. Since our founding in 1988, MCDI has been focused on the safe completion of all projects and has an extremely favorable safety record and EMR. Considering the wide range of projects that we are involved with on a daily basis, this truly is a remarkable accomplishment. Because of this record, we are often chosen to perform projects requiring particular care in order to complete.

MCDI dive crews are experienced with working in all types of inland and coastal conditions including:

Shallow Water
Deep Water
Fast Current
Large and Small Rivers, Lakes and Streams
Contaminated Water Diving
Confined Space Entry

MCDI also owns and maintains an extensive inventory of equipment including:

Construction Diving Equipment
Hydrographic Survey Equipment
Decompression Chamber and Equipment for Deep Diving
Equipment for Nitrox Diving
Underwater Closed Circuit TV Systems
Hydraulic Tools and Pneumatic Tools
Dredging Equipment
Truckable Barges
Work Boats
Side Scan/Sector Scan Sonar Equipment
Pipe Inspection Crawler and Push Cameras
Underwater Cutting and Welding Equipment
Rough Terrain Crane and Rough Terrain Forklift

Marine Salvage Services

Our crews have successfully raised numerous towboa...