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What is IS?
The IS rating scheme for infrastructure is developed and administered by the Australian Green Infrastructure Council (AGIC).  IS is Australia’s only comprehensive rating system for evaluating sustainability across design, construction and operation of infrastructure.

The IS rating scheme aims to:
  • Provide a common national language for sustainability in infrastructure

  • Provide a vehicle for consistent application and evaluation of sustainability in tendering processes

  • Help in scoping whole-of-life sustainability risks for projects and assets, enabling smarter solutions that reduce risks and costs

  • Foster resource efficiency and waste reduction, reducing costs

  • Foster innovation and continuous improvement in the sustainability outcomes from infrastructure

  • Build an organisation’s credentials and reputation in its approach to sustainability in infrastructure

The IS rating scheme is comprised of:

  • The Infrastructure Sustainability (IS) rating tool:
    - IS rating tool scorecard
  • - IS Materials Calculator
    - IS Technical Manual (available through training or registered projects/assets)
  • The rating process
    - Self-assessment
    - Independent Verification
    - Certification

Who can use the IS rating tool?
The IS rating tool can be used to assess the sustainability credentials of infrastructure. AGIC encourages all industry stakeholders to use the tool, e.g. developers, designers, planners, legislators, constructors, operators, owners etc.

A single rating can be obtained for infrastructure projects or assets that include more than one infrastructure type and large projects which are packaged into multiple smaller projects may obtain multiple ratings.

A formal certification from the AGIC is necessary for the user or any other party to promote the IS rating achieved.

What types of infrastructure does the tool apply to?
The IS rating tool can be used to assess most types of infrastructure including those listed below:
  • Roads & bridges
  • Bus & cycleways
  • Footpaths
  • Ports & harbours
  • Airports
  • Railways
  • Communication transmission & distribution
  • Water storage & supply
  • Sewerage & drainage

  • Electricity transmission & distribution
If you are unsure about whether your infrastructure can be rated, please contact AGIC.
What development phases does the tool apply to?
There are three rating types that can be achieved as follows:

Rating Type

When can this be applied for?



End of planning and design

May be awarded based on the inclusion of design elements and construction requirements for sustainability in the project documentation. This is an ’interim’ rating and must be replaced by an As Built rating after construction.

As Built

End of construction

May be awarded for the inclusion of design elements, and construction requirements for sustainability in the project documentation along with the measured sustainability performance during construction and built into the infrastructure asset.  The rating may be awarded after practical completion of the project. This rating supersedes the Design rating.


During operation

May be given after 24 months of operation.  The Operation rating is based on the measured sustainability performance of the operating infrastructure asset.  There is no requirement for the infrastructure asset to have achieved either a Design rating or an As Built rating to achieve an Operation Rating.  Existing infrastructure assets in operation are eligible to apply for an Operation Rating.  The Operation Rating must be revalidated every five years.

What are the IS rating levels?
The IS rating tool uses a 100 point scale to measure performance and this score determines the rating level achieved as follows:

  • Scores <25 points are not eligible to apply for a certified rating.

  • Scores from 25 to <50 points are eligible to apply for a 'Commended' rating.

  • Scores from 50 to <75 points are eligible to apply for an 'Excellent' rating.

  • Scores from 75 to 100 points are eligible to apply for a 'Leading' rating.
What is the rating process?
The IS rating process covers:

1.  Self-assessment
  • Project will commence by registering with AGIC to undertake a rating.

  • There will be a kick-off workshop with AGIC to establish project parameters and to clarify scope, timing and reference design.

  • Projects will undertake self-assessment using the IS rating tool as the project proceeds through design and then into construction.

  • AGIC will provide technical support during the assessment phase.
2. Independent Verification
  • Project will submit their assessment to AGIC at the end of major milestones for independent verification.

  • AGIC will arrange independent verification by industry specialists.

  • Feedback will be provided to projects so they have the opportunity to provide additional information to improve their rating.

  • Project will make a final submission and a final verification will take place.
3. Certification
  • Verifiers recommendations will be reviewed by AGIC.

  • Subject to meeting necessary requirements, AGIC will certify the achievement of a rating at either ‘Commended’, ‘Excellent’ or ‘Leading’ performance level.

  • AGIC will issue and promote the rating widely

  • There will be an appeals process available if a project is dissatisfied with their rating or the rating process.

AGIC does not endorse any self-assessed rating achieved by the use of the IS rating tool.  AGIC offers a formal certification process; this service provides for independent third party review of points claimed to ensure all points can be demonstrated to be achieved by the provision of the necessary documentary evidence. The use of the IS rating tool without formal certification does not entitle the user or any other party to promote the IS rating achieved.
The Australian Green Infrastructure Council (AGIC) thanks everyone who contributed funds, content, time and effort in the development of the IS Rating Scheme, in particular the Category Authors, Peer Reviewers, Global Review Panel and Pilot Projects. The support of the following sponsors is acknowledged:

Commonwealth Department of Climate Change and Energy Efficiency
Commonwealth Department of Infrastructure and Transport
NSW Department of Environment, Climate Change and Water
Queensland Department of Transport and Main Roads
BlueScope Steel
Plastics Industry Pipe Association
Queensland Department of Environment and Resource Management
Civil Contractors Federation
Category Authors: Global Review Panel: Pilot Projects:
UTS ISF Rick Walters Shannon Dam
WorleyParsons Denis Else Lithgow Seage Treatmen Plant
Parsons Brinckerhoff Rob Turk Logan Water Main
Aurecon Russell Cutler Eastern Busway
NetBalance David Bentley Great Eastern Highway - Roe Interchange
Edge Environment Tony Stapledon City Link
EnviroPartners Kelly O'Halloran Southport Broadwater Parklands
Envisage Consulting Eastern Tertiary Alliance
AECOM Tool Scorecard Design: Toorourrong Reservoir Upgrade
Scott Losee Kingsgrove to Revesby Quadruplication
Peer Reviewers: Enlarged Cotter Dam
Julian Hill Great Eastern Highway Upgrade - Belmont
Jane Scanlon Inner West Busway along Victoria Road
Brian Garsden Glenfield Transport Interchange
Mark Carden In-kind Support: Northern Busway (RCH to Windsor)
Mark Latham GHD
Ed Smith Thiess
Bill Morris AECOM
Rebecca Hendy Arup
Brett Lane Clayton Utz
Brett Donaldson Freehills
Steve Lee Qld Department of Environment and Resource Management
Michael Nolan Parsons Brinckerhoff
Robert Power Manidis Roberts
Penny Townley MWH
Michael Gerner CRC for Infrastructure Engineering Asset Management

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