Dredging

Ballard’s award-winning dredging services have made us an industry leader in the removal and disposal of hazardous waste. Ballard regularly performs mechanical, and diver assisted dredging to remove accumulated debris and sediment from power and utility plants, facilitating access for inspections and repairs.

Projects

Strontia Springs Dam ERDS Rehabilitation

US 52/IL 64 Mississippi River Bridge Replacement

Schoharie Reservoir and Gilboa Dam

St. Lucie Nuclear Power Plant

Ignacio-Mare Island Dutchman Slough Dredging

Tiger Creek Afterbay Dam

Full Services List

Expand each (+) for a list of services.

Inspection and Survey

Mechanical and Structural Inspection
Scour Assessment
Inlet / Outlet Works, Penstock & Tunnel Inspection
Sonar-enhanced Inspection
Coating & Corrosion Inspection
Weld Inspection
Leak Detection
FERC Part 12 Inspection Support
Bridge Inspections
Scour Investigations
Bathymetric Surveys
ROV Services
Lock and Dam Inspections
Pipeline and Outfall Locating and Mapping
Cable Locating and Mapping
Non-Destructive Testing
Ultrasonic Inspections
Magnetic Particle Inspections
Port & Ferry Terminals
Tunnels and Aqueducts
Concrete, Steel & Wood Inspection
Ship Husbandry
ABS Class Inspections
Underwater Sediment Sampling
Color Closed Circuit HD Video
Color and B/W HD Photography
Land and Marine Surveying

Contaminated and Potable Water Diving

Raw Sewage / Clarifier
Biological / Chemical / Industrial Effluent
Nuclear Spent Fuel Pools / Reactors
Drinking Water Supply
Water Towers / Standpipes / Reservoirs

Construction, Maintenance and Repair

Debris and Sediment Removal
Concrete Repair and Leak Sealing
Epoxy and Chemical Grout Injection
Head Gate Adjustment and Repair
Certified Weld Repairs
Scour Protection and Remediation
Pumped or Tremie Concrete Placement
Erosion Control and Mitigation
Bulkhead, Pier and Pile Rehabilitation
Gate Rehabilitation and Installation
Boom and Barrier Installation
Trash Rack/Stop Log Removal and Replacement
Spillway Rehabilitation / Resurfacing
Intakes and Tunnels
Sediment Removal
Traveling Water Screens
Welding and Burning
Cooling Towers
Concrete Repair
Revetment Mats
CP Installation
Pipe and Cable Repair
Underwater Coating

Environmental and Remediation

Shoreline Erosion
Soil Retention and Stabilization
Stream Restoration
Habitat Restoration
Soil and Water Sampling
Waterbars-Diversionary Methods
Vibracore Services
Turbidity Curtains (Installation and Maintenance)

Hyperbaric

Formulating Project Hyperbaric Manual (Sir, Mixed Gas or Saturation Mode)
Obtaining Variances for Alternate Tables
Mixed Gas and Saturation Intervention Work
Data Analyses
Client Liaison
Occupational Health and Safety Implementation
Consultation on Airlock System Design
Audit/Appraisal
Environmental Controls
Training of Contractor Personnel
Hazard / Health and Safety Analysis
TBM Intervention
Working at Altitude
Construction in Compressed Air
Emergency and Confined Space Rescue
Compressed Air Workers
Manlock Attendants
Certified Welders
Intervention Supervisors
Hyperbaric Medics
Mixed Gas Workers
Intervention Projects Managers
Medical Lock Attendants
Physicians/Physicians’ Assistants
Mixed Gas Supervisors
Saturation Technicians / Workers
Hyperbaric Shuttle Attendants
Life Support Technicians for Saturation Operations
Saturation Supervisors
Special Bentonite Dive Tables
Jack Pack / Block Out Entry and Clean-Out
Installation of Rods into Lenton Fittings (Zero Visibility)
Dredging / Air Lifting
Tying Underwater Rebar, Install Rebar Mats for Tremie Plug
Installation of Water Stop Injection Tubing Around Perimeter of Shaft Prior to Installation of Tremie Plug
Underwater Video Inspection of Flooded Shafts and Tunnels
Sonar Inspection of Flooded Shafts and Tunnels
Pressure Grouting, Concrete Placement
Concrete Demolition
Erection of Structural Steel
Drilling and Blasting Overburden
Hyperbaric Training
Medical Support
Specialize TBM Hyperbaric Equipment & Related Tooling
SAT (Tunnel Specific – Saturation Diving Chambers)
10 & 20-Man Tunnel Specific – Ready for Deployment
Medical Locks
Man Locks
Shuttles with Locks (Darts)
Hydraulic Tools for Breaking Rock and Sediment Removal
Hyperbaric Welding Equipment
Rail Mounted Grade D Breathing Air Compressor Package
Communication Systems
HD Video
Mixed Gas Integration into the TBM System
Compressors

Industrial

Access of Confined Spaces for Inspection and Repair
Dredging and Silt Removal
Wastewater System Maintenance and Repair
Pump House Maintenance and Repair
Traveling Screen Repairs
Invasive Species Remediation
Hazardous Waste Diving
Trash Rack Repair and Cleaning
Intake Crib Inspection, Construction and Repair
Intake Systems (Including traveling water screens, gates and water control structures)
Pipeline Inspection, Repair (internal and external) and Construction
Certified Underwater and Topside Welding
Marine Loading / Offloading Terminals
Clarifiers / Rakes
Aerators
Floating Turbidity Curtains
Cooling Ponds
Outfall Systems
Foul Air Duct and Piping
Chlorine, Bromide, and Air Diffuser Systems

Locks, Dams & Hydropower

Dams
Reservoirs / Forebay (impounded sediment and debris)
Low Level Outlets
Bulkheads and Stoplogs
Intake/Outfalls
Trash Rack / Grizzlies
Gates and Water Control Structures (stems, controls)
Pipelines / Penstocks
Locks
Siphons
Spillways

Low Level Outlet (LLO)

LLO Inspection & Rehabilitation
LLO Inspection & Rehabilitation
Gate / Gate Guide Inspection & Rehabilitation
Gated Dam Outlet Inspection & Rehabilitation
Water Control Structure Inspection & Rehabilitation

Underwater and Marine Construction

Certified Welding to AWS Standards
Underwater Exothermic Burning
Concrete, High-Pressure Grouting
Core Drilling, Track Sawing
Diamond Wire Sawing
Piling Repair – Wood, Steel, Concrete
Water Jetting and Dredging
Debris Removal
Zebra Mussel / Invasive Species Control
Pipeline, Installation and Locating
Pipeline Penetrations
Pipeline Pigging
Cable Installation and Locating
Diffuser Repair and Installation
Coffer / Limpet Dam Fabrication & Sealing
Cathodic Protection Engineering Services
Anodes / Cathodic Protection
Anode Manufacturing
Outfall Repair and Construction
Trash Rack Repair and Installation
Traveling Water Screen Repair
Sluice and Trunnion Gates
Circulating Water Pumps Intake Screens
Chemical and Air Diffusion Systems
Underwater Painting and Coatings
Pile Driving
Marine Crane Services
Ship Husbandry and Repairs
Vessel and Barge Rentals
Surface / Mixed Gas Diving 0-299 Feet
Saturation Diving 250-1200 Feet

Nuclear

Circulating Water Pumps
Concrete Repair and Placement
Concrete Decontamination Shaving/Scabbling
Cooling/Spray Pond, Tower Inspection, Cleaning
Cooling Water Pipes/Tunnels
Decommissioning
Environmental Maintenance
Erosion Control
Foreign Object Retrieval & FME Verifications
Gates and Water Control Structures
Hazardous Waste, Contaminated and Radiation Diving
Intake and Discharge Systems Maintenance and Repair
Mollusk Remediation Services
Storage Tanks (Water, Fuel, etc.)
Trash Rack and TWS Inspection and Repair
Traveling Water Screens
Underwater Concrete Surface “Lockdown Application”
Underground/Underwater Pipe Install and Replacement
Underwater Welding / Cold Cutting
Water Intake Systems

Plant Maintenance

Traveling Screen Rebuilds
Intake Cleaning
Trash Rack Cleaning
Log Boom Maintenance
ROV Inspections (Entire Length of Intake)
Collector Well Maintenance

Salvage & Marine Casualty

Salvage of Commercial Vessels (Tugs, Barges, Bulk Carriers, etc.)
Salvage of Recreational Vessels (Yachts, Houseboats, etc.)
Salvage of Aircraft
HAZMAT Services
Fuel and Cargo Lightering
In-house Naval Architect
Compartment and Confined-Space Entry Teams
Emergency and Rescue Towing
Emergency Upland and Marine Spill Response
Casualty Containment
Underwater Demolition
Refloating of Vessels
Environmental Mitigation
Underwater Repair
Barge and Vessel repair
Bubbler Curtain/Boom Installation
Sub-bottom Profiling/Hydrographic Surveys

Utility

Submarine Cable (High Voltage and Telecom)
River Cable Crossings
Conduits / Culverts
Reservoirs / Remote Inland Waterways
Oxygenation Systems
Desalination
Intake Structures and Screens
Pump Stations
Transmission and Distribution
Pipelines

Waterfront & Ports

Docks / Piers
Utility Systems
Piling Rehabilitation, Repair, and Installation – Wood, Steel, Concrete
Water Jetting and Dredging
Debris Removal
Zebra Mussel / Invasive Species Control
Cathodic Protection System and Engineering Services
Anodes / Cathodic Protection
Anode Manufacturing
Outfall Repair and Construction
Underwater Painting and Coatings
Pile Driving
Marine Crane Services
Scour Investigations
Bathymetric Surveys
Non-Destructive Testing
Ultrasonic Inspections
Magnetic Particle Inspections
Underwater Sediment Sampling
Impounded Sediment Removal
Shoreline Erosion
Soil Retention and Stabilization
Stream Restoration
Habitat Restoration
Soil and Water Sampling
Vibracore Services