Goulburn-Murray Water

Comdain’s role
Comdain, Transfield Services and Sinclair Knight Merz (SKM) are equal partners in the FutureFlow Alliance.

Project description
The purpose of the FutureFlow Alliance is to achieve water savings by delivering upgrades to the irrigation infrastructure in the Goulburn-Murray Irrigation District in Northern Victoria. FutureFlow was required to deliver an unprecedented amount of irrigation infrastructure works in a two year period. $283m of works were delivered under budget and on schedule resulting in long term average water savings of 94GL.

Works undertaken

• 1692 automated Flume Gate channel regulators
• 3,220 electronic meter installations installed to replace dethridge wheel meters
• 490 dethiridge wheels rationalised
• 27km gravity pipeline (500mm-1200mm) installed to service the Katandra area
• 26km of channel lined with plastic
• 32 radio communications towers installed or upgraded
• 46.6 km channels rationalised

Approximately 30% of the field workers and 50% of the professional delivery team, including the Alliance Manager, are Comdain personnel.

Awards

• Winner of the 2009 Young Professional Engineer Award
• Alesha Printz, Comdain Project Engineer
• Engineering Excellence Award for Infrastructure (projects over $20 million)
• FutureFlow – GMW’s Alliance providing irrigation renewal to Northern Victoria
• Winner AWA (Victoria) 2009 Project Innovation Award FutureFlow

Linkwater

Comdain’s role
Primary Contractor

Project description
Comdain is engaged by the Queensland Bulk Water Trading Authority, Linkwater, to provide 24 hour emergency response for the Southern Regional Pipeline, scheduled maintenance and minor capital works.

Works undertaken

• 24 hrs, 7 days per week, 365 days per year emergency response for maintenance and operational issues
• Resposible for 94 km of trunk water main, 5 pump stations and 2 balance tanks between Camerons Hill Brisbane and Molendinar Gold Coast
• Emergency traffic management
• A maximum of 90 minute response time to callouts
• 100% KPI targets met on emergency callouts
• Maintenance of valve pits, lids and other ancillary items carried out on a regular maintenance schedule
• Installation of manual sampling points including concrete structures and live tapping to mains up to 1200mm diameter

Performance

• 100% KPI targets met on emergency callouts to date

Goulburn-Murray Water

Comdain’s role
Primary Alliance Partner (FutureFlow Alliance)

Project description
FutureFlow commenced works in 2008/09 to undertake irrigation modernisation works in Northern Victoria for GM-W. Works included the installation of the 27km Katandra Pipelines. The pipelines range in diameter from 500mm to1200mm  and can deliver up to 150 ML a day to approximately 60 customers previously serviced by irrigation channels.

Works undertaken

• Replacing channels with HDPE pipelines to reduce seepage, leakage and evaporation resulting in increased land availability for farmers.
• Community, landholder and key stakeholder coordination and communication has delivered fast-track authority approvals and successful project outcomes.
• Integrated delivery teams deliver exceptional outcomes by ensuring the lines of reporting are well understood and respected by staff and managers alike.
• Working in partnership with suppliers and subcontractors has proven far more productive than entering into adversarial contracts.
• Understanding, communicating and maintaining a project schedule has been critical to the success of the project.

Gippsland Water

Comdain’s role
Sub-alliance partner

Project description
Construction and commissioning of transfer distribution system including all pipelines, pump stations and storage facilities. Project attracted strong state government attention and local community interest.

Works undertaken

• Detailed design engineering
• Construction and commissioning of 8 sewage pump stations (20/ls up to 400l/s)
• Construction and commissioning of 90km of sewer rising mains (incl. MSCL, DICL, PVC & PE from DN100 up to DN675)
• Competitive and creative procurement strategy for the transfer system works to ensure pipes were available on time in a tight market
• Complex stakeholder liaison
• Complex environmental management

Envestra owned Victorian Gas Distribution Assets

Comdain’s role
Primary contractor

Project description
Since 1996, Comdain has mangaed and delivered maintenance and construction services for the Envestra-owned Victorian Gas Distribution Assets. The Comdain – APT O&M Services Alliance contract has delivered ongoing value for money for both APA and Envestra through Comdain’s continuous improvement against all Key Performance Indicators. Contract form: Alliance with performance based remuneration. Geographic coverage: Melbourne CBD, Northern Suburbs, Northern Victoria towns, Mornington Peninsula, LaTrobe Valley and Gippsland.

Works undertaken

• Maintenance and construction of gas mains & services
• Maintenance, construction and installation of industrial commercial regulators & meters
• 24/7 emergency services
• Leakage pinpointing services
• Manage Customer complaints
• High pressure regulator construction / installation
• City gate construction / installation
• Bulk meter replacement program
• Management gas supply / installation contractors
• Community & stakeholder management

Western Water

Comdain’s role
Primary contractor

Project description
Civil works, supply and installation of mechanical equipment, all electrical , instrumentation and control requirements and commissioning of the Stage 1B upgrade of the Gisborne Recycled Water Plant (RWP).

Works undertaken

• Modifications to the existing inlet works including:
  • New screenings removal and dewatering system
  • New grit removal and dewatering system and grit classifier
• New odour biofilter
• Conversion of existing anoxic selector tank to a seepage storage facility including installation of new pump set
• Earthworks – Clay and HDPE lining of lagoons
• Works including supply and installation of all instrumentation, cables, switchboards and modifications to existing switchboards and plant PLC and SCADA programming
• Pipework, pump installation, steel fabrication and concrete works
• Testing and commissioning