Tender opportunities from Rottnest Island Authority

Below is a summary of tender opportunities from Rottnest Island Authority including requests for tender, requests for quotation, requests for proposal and expressions of interest

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Within the last 12 months
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Within the last 12 months
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Recent tender opportunities

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Supply and Delivery of 1MVA HV/LV Kiosk Substation Packages for Kingstown and Wastewater Treatment Plant Upgrades
The Rottnest Island Authority is seeking offers for the supply and delivery of two (2) 1MVA HV/LV kiosk substation packages. Each kiosk substation pac…
Open
Closing 14 Aug 2026
Western Australia
Permanent buildings & structures
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Rooftop Solar, Battery and Controller Works - Geordie Bay, Fays Bay and Longreach Bay Visitor Accommodation Units
The Rottnest Island Authority (RIA) invites tenders for the design and construction of distributed rooftop solar photovoltaic (PV) systems, battery en…
Open
Closing 20 Aug 2026
Western Australia
Electrical services
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Construction of Rottnest Island Golf Course Fence
Construction of a 1.5m high chain-link fence around the Rottnest Island Golf Course.
Closed
Closed 17 Jun 2026 6:30am
Western Australia
Fencing, barriers & gates
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Offset Planting - CPS 9883 and CPS 10450
The Rottnest Island Authority (RIA) is seeking offers for delivery of an Offset Planting Program on Wadjemup (Rottnest Island) to meet the offset cond…
Closed
Closed 2 Apr 2026 6:30am
Western Australia
Agricultural, horticulture & forestry
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Weed Management - CPS 9883 and CPS 10450
The Rottnest Island Authority (RIA) is seeking offers for delivery of a Weed Management Program on Wadjemup (Rottnest Island) to meet the offset condi…
Closed
Closed 2 Apr 2026 6:30am
Western Australia
Agricultural, horticulture & forestry
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Rottnest Island Golf Course Remodel
Rottnest Island Authority (RIA) is seeking submissions for the remodel of the Rottnest Island Golf Course (Works).
Closed
Closed 3 Jun 2026 6:30am
Western Australia
General building construction
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Architectural Services - Bathurst Accommodation
Rottnest Island Authority (RIA) is inviting Offers for the execution of Architectural Design and Subconsultant Services associated with the proposed r…
Closed
Closed 20 May 2026 6:30am
Western Australia
Civil & structural engineering
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Rottnest Island Authority Water Distribution Network 2026 Network Completion
The Rottnest Island Authority (RIA) is seeking Offers for the Water Distribution Network 2026 Network Completion. The broad scope of works for the wor…
Closed
Closed 2 Jun 2026 6:30am
Western Australia
Civil works, roads & bridges
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Main Bus Stop Upgrade
The objective of the Main Bus Stop Upgrade is to enhance visitor safety, accessibility, and arrival experience at Rottnest Island’s primary transport …
Closed
Closed 11 Dec 2025 6:30am
Western Australia
Building & facility maintenance
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RIA Worker Accommodation - Earthworks and Services
The Rottnest Island Authority (RIA) invites suitably qualified and experienced Contractors to submit a Tender for the Earthworks and Services at RIA W…
Closed
Closed 23 Jun 2026 6:30am
Western Australia
Civil works, roads & bridges