Defence Establishment Orchard Hills

Defence Establishment Orchard Hills
Defence Establishment Orchard Hills
Orchard Hills, Sydney, New South Wales in Australia
	Defence Establishment Orchard Hills Location in Greater Sydney
Coordinates	33°48′44″S 150°41′31″E / 33.812264°S 150.6918705°E
Type	Munitions storage; Training school;
Area	1,740 hectares (4,300 acres)
Site information
Owner	Department of Defence
Operator	Royal Australian Air Force
Site history
In use	1940s – present
Garrison information
Occupants	Defence Explosive Ordnance Training School

Defence Establishment Orchard Hills (abbreviated as DEOH) is a tri-service munitions storage base of particular importance to the Royal Australian Air Force (RAAF). Located in Orchard Hills, in the western suburbs of Sydney, New South Wales, Australia, the main role of the establishment is for storage, maintenance and distribution of Explosive Ordnance such as Bombs, Bullets, Missiles, and other military explosives. The base is also home to the RAAF-run Defence Explosive Ordnance Training School, which provides training in handling explosives to all branches of the Australian Defence Force, public servants and contractor personnel.^[1]

As well as the storage of munitions, other activities carried out on the 1,740-hectare (4,300-acre) site include the use of weapon ranges, firing ranges, fire training areas, and fuel storage and distribution from above ground and underground storage tanks. The site also contains a sewerage treatment plant, and two landfills for waste disposal from both site operations and general non-putrescible refuse, including building rubble.^[2]

Also located on site is the privately owned Thales Ordnance Training Centre, an accredited registered training organisation that provides qualifications specific to explosives, and covering the disciplines of storage, transport, manufacture and proofing of explosive ordnance.^[3]

Environmental Offset for Western Sydney Airport

Defence Establishment Orchard Hills encompasses a significant area of critically endangered and protected Cumberland Plain Woodland,^[4]^[5] which is endemic to the Western Sydney region.^[6]

During siting and construction of the Western Sydney (Nancy Bird-Walton) Airport, it was announced that Defence Establishment Orchard Hills would serve as an environmental offset to compensate for destruction of the woodland associated with clearing of the airport; over 900-hectares of Defence Establishment Orchard Hills was set aside for this purpose.^[7]

Concerns

Part of the area established as the environmental offset has since been cleared to allow construction of a carpark for a new facility within the establishment.^[8]

Other groups have raised concerns that because the property is owned by the Federal Government and was already listed for protection and conservation, it does not serve as an effective offset for the new construction.^[9]

Base Redevelopment

From 2019 the base saw a significant investment in infrastructure, particularly as a result of the 2020 Defence Strategic Update and Force Structure Plan.^[10] In 2019, a $95m AUD Naval Guided Weapons Maintenance Facilities Project was announced, and the facility was due to be completed by July 2021^[11] but officially opened by the then Minister for Defence Peter Dutton on 5 April 2022.

The scope presented to the Public Works Committee in 2024 includes:^[12]

upgrade and remediation of site infrastructure and engineering services, including potable and fire-water networks and electrical, ICT, and wastewater systems
new and upgraded administration and working accommodation, and multi-purpose logistics facilities
new and upgraded instructional and working facilities for the Defence Explosive Ordnance Training School
new Living-In Accommodation
new working accommodation for Defence and Contractor personnel currently accommodated in disaggregated facilities at DEOH and in leased accommodation in Penrith
new and upgraded health and wellbeing facilities, including a small gymnasium and a multi-use sports court
upgraded base entry and security, including reconfiguration of the base entry, perimeter fencing, lighting and closed circuit television
a new multi-user Cadet facility to support existing Army and Navy Cadet Units displaced by other work elements, and to relocate an existing Air Force Cadet Unit from off-base to on-base
demolition of surplus/obsolete facilities that have reached their end-of-life.

The project is valued at $AUD359.3 million with construction expected to commence in 2025.^[12]

References

^ "Air Force Training Group". Department of Defence, Australian Government. Retrieved 13 June 2023.
^ "Defence Establishment Orchard Hills, New South Wales" (PDF). Department of Defence. Australian Government. 1 October 2013. Retrieved 29 August 2017.
^ "Armaments Services" (PDF). Thales Australia. 16 October 2012. Retrieved 29 August 2017.
^ "Cumberland Plain Woodland in the Sydney Basin Bioregion - profile | NSW Environment, Energy and Science". www.environment.nsw.gov.au. Retrieved 13 June 2023.
^ Australian Government (2003). "Distribution of Areas of High Conservation Significance - Orchard Hills" (PDF). Department of Climate Change, Energy, the Environment and Water. Retrieved 13 June 2023.
^ Australian Government (2010). Cumberland Plain Shale Woodlands and Shale-Gravel Transition Forest (PDF). Department of Climate Change, Energy, the Environment and Water (Report). Retrieved 13 June 2023.
^ "Biodiversity Offset Delivery Plan". Western Sydney Airport. Retrieved 13 June 2023.
^ Cox, Lisa (1 May 2022). "Bushland marked as environmental offset for new Sydney airport bulldozed for car park". The Guardian. ISSN 0261-3077. Retrieved 13 June 2023.
^ Cox, Lisa (1 August 2021). "Environment officials questioned use of land government already owned as offset for western Sydney airport". The Guardian. ISSN 0261-3077. Retrieved 13 June 2023.
^ Milne, Sandy (1 July 2020). "Government details budget boost in major wins for all states". www.defenceconnect.com.au. Retrieved 13 June 2023.
^ Hartigan, Brian (21 November 2019). "New Navy missile facility for Orchard Hills". CONTACT magazine. Retrieved 13 June 2023.
^ ^a ^b Parliament of Australia (October 2024). "Chapter 2 - Explosive Ordnance Facilities Northern NSW Redevelopment project". Department of Defence — Explosive Ordnance Facilities Northern NSW Redevelopment project and other works (Report). Retrieved 7 January 2025.

[DEOTS-1] "Air Force Training Group". Department of Defence, Australian Government. Retrieved 13 June 2023.

[2] "Defence Establishment Orchard Hills, New South Wales" (PDF). Department of Defence. Australian Government. 1 October 2013. Retrieved 29 August 2017.

[3] "Armaments Services" (PDF). Thales Australia. 16 October 2012. Retrieved 29 August 2017.

[4] "Cumberland Plain Woodland in the Sydney Basin Bioregion - profile | NSW Environment, Energy and Science". www.environment.nsw.gov.au. Retrieved 13 June 2023.

[5] Australian Government (2003). "Distribution of Areas of High Conservation Significance - Orchard Hills" (PDF). Department of Climate Change, Energy, the Environment and Water. Retrieved 13 June 2023.

[6] Australian Government (2010). Cumberland Plain Shale Woodlands and Shale-Gravel Transition Forest (PDF). Department of Climate Change, Energy, the Environment and Water (Report). Retrieved 13 June 2023.

[7] "Biodiversity Offset Delivery Plan". Western Sydney Airport. Retrieved 13 June 2023.

[8] Cox, Lisa (1 May 2022). "Bushland marked as environmental offset for new Sydney airport bulldozed for car park". The Guardian. ISSN 0261-3077. Retrieved 13 June 2023.

[9] Cox, Lisa (1 August 2021). "Environment officials questioned use of land government already owned as offset for western Sydney airport". The Guardian. ISSN 0261-3077. Retrieved 13 June 2023.

[10] Milne, Sandy (1 July 2020). "Government details budget boost in major wins for all states". www.defenceconnect.com.au. Retrieved 13 June 2023.

[11] Hartigan, Brian (21 November 2019). "New Navy missile facility for Orchard Hills". CONTACT magazine. Retrieved 13 June 2023.

[pwc-12] Parliament of Australia (October 2024). "Chapter 2 - Explosive Ordnance Facilities Northern NSW Redevelopment project". Department of Defence — Explosive Ordnance Facilities Northern NSW Redevelopment project and other works (Report). Retrieved 7 January 2025.

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Defence Establishment Orchard Hills

Environmental Offset for Western Sydney Airport

Concerns

Base Redevelopment

See also

References

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