Servies Offered Nationwide
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- Commercial Diving Operations
- Underwater Video Surveying
- Salvage
- Demolition
- Dam Rectification
- Weir Refurbishment
- Denso Wrapping
- Seawall Repairs
- Pile Splicing
- Pile Strengthening
- Pile Coating Systems
- Epoxy and Grout Injection
- Fender Repairs
- Wharf & Bridge Carpentry
- Headstock Replacement
- Headstock Supplement
- Girder Replacement
- Underwater Cutting (Broco)
- Underwater Welding
- Dredging
- Underwater Cable Laying
- Surveys & Inspections
- Design & Construction
- Concrete Spalling Repairs
- Jetty Refurbishment
- Installation of Private Dam Jetty's
- Pipe Wrapping
- Crane Hire & operation
- Barge Hire & operation
HDSA GROUP CARRIES OUT SERVICES IN COMMERCIAL DIVING OPERATIONS, MARINE CONSTRUCTION, BRIDGE & WHARF CARPENTRY AND CIVIL ENGINEERING FOR BOTH COMMERCIAL AND PRIVATE CLIENTS.
