Projects that use steel have the potential to earn up to two Green Star points. The ESC provides for one of these points – the Mat-5 Steel point in the GBCA credit for Responsible Building Materials.
This Green Star point can be gained where at least 95% of the building’s steel (by mass) is sourced from a Responsible Steel Maker and 60% of the fabricated structural steelwork on the project is supplied by a steel fabricator or contractor certified to the ESC. In other words, this point is provided to the constructor:
A Responsible Steel Maker is one who has:
The criterion for the responsible sourcing of steel does not attract a point but is a prerequisite for qualification of the project under the ESC point.
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The relationship between fabricator and steelmaker is illustrated in the table below:
| Criterion | Provider | Requirements |
|---|---|---|
| Green Star point or contract requirement for environmentally fabricated steelwork | The fabricator/ contractor for the steelwork | Continuous environmental improvement and commitment to sustainability, environmental responsibility and communication of this commitment through operation of a management system audited annually. |
| Prerequisite: Responsible sourcing of steel | The steelmaker | The steelmaker must operate to an ISO 14001 Environmental Management System and be a member of the World Steel Association’s Climate Action Programme. |
Further information is available that relates to the other Green Star credit available for steel.