Policies and Accreditation


Our commitment to quality, the environment, and occupational health and safety is supported by our corporate policies.

Environmental Policy

Occupational Health and Safety Policy

Quality Policy


We are accredited to AS/NZS ISO 9001:2008 Quality Management Systems, AS/NZS ISO 14001:2004 Environmental Management Systems, AS/NZS 4801:2001 Occupational Health and Safety Management, and AS/NZS 4360:2004 Risk Management.

We are also accredited under the Australian Government Building and Construction OHS Accreditation Scheme. Diploma is pleased to support the Federal Safety Commissioner’s initiative to ensure a safer workplace for all workers in the construction industry.