Substructure

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• Services
  • Hydrographic & Geophysical Surveys
  • Marine Construction
    • Marine Structural Rehabilitation
  • Marine Pile Encapsulation
    • Epoxy-Filled Fiber-Reinforced-Polymer (FRP) Jacket
    • Performance Differences Between Available Epoxy Grouts and FRP Jackets
    • Substructure's Patented Advanced Pumping System
  • Commercial Diving
    • Safety First
  • Marine Corrosion Control
    • Preventative Maintenance
    • Marine Structural Maintenance
    • Turnkey Services
  • Archaeological Search & Recovery
  • Marine Design, Fabrication & Integration
    • Custom Designed & Fabricated Marine Fenders
    • Custom Aluminum Construction Barges
    • Custom Designed & Fabricated Epoxy Pump
    • Design, Fabricate, Build: Assorted Photos
• Projects
  • Hydrographic & Geophysical Surveys
    • Navigation Safety Multibeam Survey for Tall Ships Festival in Portsmouth, NH
    • Multidisciplinary Survey for Jetty Assessment & Rehabilitation
    • Multidisciplinary Bridge Inspection Surveys for Maine Department of Transportation
    • Multidisciplinary Hydrographic Survey for Marine Terminal Planning
    • Multibeam and Backscatter Surveys for Disposal Site Assessment
    • Multibeam Surveys for Dredging Assessment
  • Marine Construction
    • Petroleum Offload Facility Reconstruction
  • Commercial Diving
    • Sarah Mildred Bridge Power Cable Repair
  • Marine Design, Fabrication & Integration
    • Traveling Water Screen Maintenance, Repair & Equipment Design
• Interesting Information & Education
  • What Is a Hydrographic Survey?
    • What Is SONAR?
    • Single-Beam SONAR
    • Side-Scan SONAR
    • Multibeam SONAR
    • Equipment Used to Examine Area Below the Seafloor
    • Magnetometers for Underwater Surveys
  • What Is Corrosion?
    • Types of Corrosion
    • Concrete in the Marine Environment
    • Wood in the Marine Environment
    • Countering Corrosion and Its Effects
  • What Is State-of-the-Art Marine Encapsulation?
    • Why Is Epoxy Encapsulation the Best?
    • Why Choose Substructure for Epoxy Encapsulations?
  • What Is Important to Know About Commercial Diving?
    • Regulations, Standards & Oversight
    • Advantages of Surface Supplied Air/Mixed Gas Diving
    • Types of Tasks That Can be Performed by Substructure's Divers
    • Conditions Affecting Commercial Dive Operations
  • Links to further information:
• Orion - A Hydrographic Survey Vessel
  • Orion Characteristics, Specifications & Systems
  • What Others Have to Say About Survey Vessel Orion
• News, Events & Recent Projects
  • Year 2011
  • Year 2010
  • Archives
• About Substructure
  • Who We Are
    • Thomas Reis
    • Thomas Waddington
    • Andrew Kelly
    • Additional Staff
  • Our Clientele
• Contact

Interesting Information & Education

• Substructure to Embark on Large Pile Encapsulation Project in Mexico (10/23/11)
• Substructure Utilizes ROV Pipeline Crawler for Inspection of Power Plant Cooling System (8/30/11)
• Substructure Completes Pre-Construction Survey on Merrimack River (8/10/11)
• Substructure “Supports” Waterfront Restaurant (8/7/11)
• Substructure Participates in EnergyOcean Conference (7/18/11)
• News, Events & Orion Demos