Dam Liners
Low Cost Water Storage

About GDT Lining Systems

GDT LINING SYSTEMS has operated in the area of geosynthetics since 1993. We are a medium-sized business which specializes in complex and remote area projects. We operate in Northern Australia and PNG.

Low-Cost Water Storages

Low-cost water storages are particularly suited to remote locations where adequate land is available. They have considerable cost advantage over a conventional steel tank storage.

  • Material science has advanced in the last few decades. Materials used today for floating covers have a design life of up to 30 years.
  • Construction time from concept to completed structure can be as short as 6 months for a major storage of up to 100ML.
  • A floating cover eliminates losses from evapouration and prevents the entry of contaminants into the water body.

Design & Build Capability

GDT CAN PROVIDE A COMPLETE END TO END DESIGN

We can undertake a site survey and geotechnical investigation, produce concept designs and costings and progress to final design and construction on a fast-track basis. No hold ups. Work can be undertaken on a construction only basis, design and construct or design construct and maintain basis. We can do work on a fixed cost basis or a construct and leaseback arrangement can also be developed.

TYPICAL ARRANGEMENT

The installation usually involves earthworks. A battered side, cut and fill pond is constructed. A concrete ring beam is then placed around the perimeter. A geotextile underliner may then be used. The grade of the geotextile depends on the ground conditions. A HDPE liner is then deployed and welded. All materials are attached to the ring beam where they are clamped with a stainless-steel angle.

GDT HAS DONE LOTS OF THESE STORAGES – WE ARE WELL PRACTICED IN THE ART.

HOW TO PROGRESS YOUR WATER STORAGE PROJECT

1.Contact GDT and start the discussion. Provide as much information as you have; site survey, photos, diagrams indicating what you want.
2.An indicative site cost will be compiled. If this fits the budget, then GDT will go forward and undertake a Site survey and geotechnical investigation.
3.A final price will be compiled and presented together with a sketch design. The price is then agreed.
4. Final design is then completed.
4. Construction commences.

OUR SERVICES

GDT undertakes civil and geosynthetic work, including landfills, molasses storages, dam liners for local government and mine applications. We also undertake channel lining, secondary containment bund lining and leach pad liners. We work in some of Australia’s most remote locations.

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