High Wycombe Community Hub– Geothermal Drilling, Construction and Testing

Overview The City of Kalamunda, with funding support from the Western Australian State Government and the Commonwealth Government, is progressing the High Wycombe Community Hub adjacent to the High Wycombe Train Station within the High Wycombe Transit Oriented Development Precinct. Geothermal energy is proposed to heat the Hub's aquatic facilities, and this RFT seeks a suitably qualified and experienced contractor for the geothermal drilling, construction and testing works described in the Technical Specification. About The Hub is intended to provide contemporary community, leisure and recreation facilities and to support the City's sustainability objectives. The project includes aquatic facilities, gymnasium and fitness spaces, community facilities, cafe and creche facilities, future childcare, allied health and retail uses, car parking, public open space, associated plant rooms and building services. Objectives The project objectives include: Developing fit-for-purpose facilities that meet current and future leisure, recreation and social needs Promoting sustainability through energy-efficient systems and design Supporting community growth through accessible public and integrated leisure, fitness and community facilities Supporting economic viability through appropriate commercial uses Delivering the project to the required scope, budget and programme Scope The scope includes: Drilling, constructing and testing a geothermal hydrostratigraphic hole, production bore and injection bore for the High Wycombe Community Hub, in accordance with the City's specifications and regulatory requirements Confirming that the Tender allows for the drilling, construction, testing and, if directed, abandonment or completion of the hydrostratigraphic hole, production bore and injection bore in accordance with the Technical Specification and drawings Allowing for water supply from a nearby hydrant under a Water Corporation metered standpipe permit The City will construct the geothermal drilling hardstand and access as early works, for the Drilling Contractor's exclusive use. The drilling works will run concurrently with the early stages of the main works, with the Main Works Contractor managing the overall site. Contractor Requirements Class 3 water well driller certificates An Environmental Management Plan covering drilling fluids, cuttings and wastewater A Site Access Management Plan At least three comparable deep or geothermal bore projects completed within the last three years Coordination of the Drilling Contractor's own interfaces with the Main Works Contractor, who will manage the overall site Contract Terms and Conditions AS 4000-2025 General Conditions of Contract, with a Schedule of Rates Development Programme Overview, Key Milestones Request for Tender (RFT) Release (Geothermal Drilling): November 2026 RFT Assessment (Geothermal Drilling): December 2026 Contract Award (Geothermal Drilling): February 2027 Geothermal Pilot Hole Drilling: March to May 2027 Main Works Delivery Commencement, including Site Possession and Mobilisation: May 2027 Geothermal Sub-Surface Early Works, Production and Injection Well Drilling: June to December 2027 Tender Briefing A non-mandatory site briefing session will be held for this opportunity. Date: Wednesday, 18 November 2026 Time: 1:00 PM Location: High Wycombe Community Hub site, attendees to report to the site office at 90 Milner Road, High Wycombe Respondents wishing to attend must register their representative's name, telephone number, and email address with procurements@kalamunda.wa.gov.au by 2:00 PM Tuesday, 17 November 2026. Responses to any queries raised during the briefing will be included in an Addendum issued to all companies who have registered for the Tender.