Geomembrane Liner Projects
Design, Supply, Installation & Testing
Dam Liner & Floating Cover
Portland
Jan 2021 – Jul 2022
Pond Size: 8,000 m2
Construction Quality Control:
Geotest are currently engaged by Wannon Water to carry out design, supply and installation of a new floating cover and dam liner at Portland, Victoria. This included removal of the existing cover and dam liner.
Design Constultant:
Geotest also acted as a design consultant for the installation and material.
Bituminous Geomembrane (BGM) Liner
Ravenswood Goldmine
Apr 2021 – Feb 2022
Mine Size: 750,000 m2
Queensland
Installation:
Geotest were engaged by Ravenswood to carry out Level 1 CQA supervision over the client supplied bituminous geomembrane (BGM) liner. Installation crew worked under the careful supervision for safely installing the liner. They are using specialist hydraulic BGM deployment equipment.
HDPE Geomembrane Liner
Kalimna Dam
Feb 2021 – Apr 2021
Pond Size: 44,000 m2
South Australia
Supply and Installation of dam liner:
Geotest were engaged by Hunter Brothers to carry out supply and installation of 60,000 m2 of HDPE geomembrane liner. Electrical leak detection test of liner for HDPE liner.
Talinga – Pond D
Oct 2016 – Dec 2016
Pond Size: 150,000 m2
Queensland
Construction Quality Assurance:
Geotest were engaged by Origin Energy to carry out level 1 CQA supervision over the installation of the triple layer geomembrane installation.
Third Party Testing:
Research & Development:
Geotest were engaged by Origin Energy to carry out R&D on the alternative non-destructive testing (NDT) available. Ultra-sonic testing and development of the technology was carried out onsite on the installed geomembranes.
HDPE Geomembrane Liner
Phillip Pond
Phase II – Surat North
Jun-Dec 2016
Pond Size 28,000 m2
Queensland
Independent Testing Authority:
Geotest were engaged by the installer to carry out the level 1 CQA/CQC supervisor of the single layer 2.00 mm HDPE liner.
Construction Quality Assurance:
Geotest were engaged by the installer to compile and review the final material data reports (MDR). Including As-built drawings and all installation QA/QC reports.
Third Party testing:
Geotest were engaged by the installer to carry out the ‘Liner Integrity Testing’ (LIT) of the installed liner.
HDPE Geomembrane Liner
Phase II – Surat North
Charlie Pond
Jun-Dec 2016
Pond Size: 40,000 m2
Queensland
Independent Testing Authority:
Geotest were engaged by the installer to carry out the level 1 CQA/CQC supervisor of the single layer 2.00 mm HDPE liner.
Construction Quality Assurance:
Geotest were engaged by the installer to compile and review the final material data reports (MDR). Including As-built drawings and all installation QA/QC reports.
Third Party testing:
Geotest were engaged by the installer to carry out the ‘Liner Integrity Testing’ (LIT) of the installed liner.
HDPE Geomembrane Liner
Hill Dam
Gawler Re-use scheme
Apr – Jul 2016
Pond Size 130,000 m2
South Australia
CQA/Design Consultant:
Geotest provided level 1 CQA supervisor for the single layer 2.00 mm HDPE liner installed to the ‘Hill Dam’ project for Bunyips Waters’ ‘Gawler Re-use scheme’ (GWRS). Geotest also acted as a design consultant for the installation and material expert.
Third Party Testing:
HDPE Geomembrane Liner
Wingate Dam
Gawler Re-use scheme
Apr – May 2016
Pond Size 5,000 m2
South Australia
CQA/Design Consultant:
Geotest provided level 1 CQA supervisor for the single layer 2.00 mm EPDM liner installed to the ‘Wingate Dam’ project for Bunyips Waters’ ‘Gawler Re-use scheme’ (GWRS).
Geotest also acted as a design consultant for the installation and material expert.
Talinga – Pond C
Oct 2015 – Jan 2016
Pond Size 130,000 m2
Queensland
Construction Quality Assurance:
Geotest were engaged by Origin Energy to carry out level 1 CQA supervision over the installation of the triple layer geomebrane.
Third Party testing:
HDPE Geomembrane Liner
Spring Gully Water Treatment
Facility Feed Dam West/East/Effluent-Pond A
Jun 2014 – Sep 2014
Queensland
Construction Quality Assurance:
Geotest was engaged for CQA by the installing contractor for Origin to install the triple liner on the three cell pond.
Third Party Testing:
Commissioning:
Geotest was engaged to assist in commissioning of all three cells, which included: Sump read outs to two sumps, water sampling and testing sump water and reporting any potential leaks for rectification.
HDPE Geomembrane Liner
Spring Gully Water Treatment Facility-Pond C
May 2014 – Feb 2015
Queensland
Construction Quality Assurance:
Geotest was engaged for the CQA from the installing contractor regarding the secondary liner, geonet leak detection system and the primary liner installation on the four cell pond.
Third Party Testing:
Geotest was engaged to conduct the electrical leak detection of the triple liner pond using the Water Lance Method, in accordance with ASTM D 7703 for the secondary liner and the Dipole Probe method, in accordance with ASTM D 7007 for the Primary Liner.
Commissioning:
Geotest was engaged to assist in commissioning of all four cells, which included: Sump read outs to all 16 sumps, water sampling and testing sump water and reporting any potential leaks for rectification.
Talinga Transfer Station
Nov 2014 – Dec 2014
Queensland
Construction Quality Assurance:
Geotest was engaged for the CQA on the installing contractor regarding the primary liner installation for the single liner system pond.
Third Party Testing:
HDPE Geomembrane Liner
Condabri – Brine Pond 2
Feb 2015 – May 2015
Queensland
Construction Quality Assurance:
Geotest was engaged by civil contractor for CQA on the installation for the secondary, geonet leak detection system and primary liner installation.
Third Party Testing:
HDPE Geomembrane Liner
Condabri – Brine Pond 5 & 6
Jun 2015 – Oct 2015
Queensland
Electrical Leak Detection:
Geotest was engaged to conduct the electrical leak detection of the triple liner pond using the Water Lance Method, in accordance with ASTM D 7703 for the secondary liner and the Water Probe method, in accordance with ASTM D 7007 for the Primary Liner.