Slide 1: Future Ready Project Webinar Series: Burrawang to Avon Tunnel
Future Ready Project Webinar Series Burrawang to Avon Tunnel
Slide 2: Acknowledgement of Country
Acknowledgement of Country. The Tharawal (or Dharawal) people have a relationship with the country south of Botany Bay and the Georges river, west to Appin, down as far as Goulburn and to Wreck Bay near Nowra. We would like to pay our respect and acknowledge all the traditional custodians of this la
Slide 3: Future Ready Project Webinar Series
Future Ready Project Webinar Series Burrawang to Avon Tunnel
Slide 4: Future Ready: See the future more clearly
Future Ready Better See the future Design for outcomes for more clearly it today people and places
Slide 5: Taking a Holistic View
Taking a Holistic View Climate Society Technology Resources
Slide 6: Speakers
Speakers Doug Graham Project Director and Section Executive Geotechnics & Tunnels Australia Gareth Evans Project Manager and Senior Principal Geotechnical Engineer
Slide 7: Burrawang to Avon Tunnel
Burrawang to Avon Tunnel Avon Dam
Slide 8: Water NSW
Water NSW WaterNSW (WNSW) is a State Owned Corporation The Metropolitan Water Sharing Plan 2017 guides responsible for: WNSW in its investment decisions relating to: – Operating NSW’s rivers and water supply – water demand – Providing bulk water supply to NSW – environmental and hydrological constra
Slide 9: Project overview
Project overview The Burrawang to Avon Tunnel (BAT) is a key element in the Metropolitan Water Sharing Plan In January 2019 WaterNSW engaged WSP to develop the concept design for the project. The study involved: – Option selection process – Geotechnical site investigation with deep boreholes – Conce
Slide 10: Project location
Project location Project area located 150km SW of Sydney, in NSW
Slide 11: Project Benefits
Project Benefits The BAT project includes: – 19km, 3.5m internal diameter tunnel – Capacity of 1800 ML/d – Allows increased active storage of Avon Dam by 65GL – 9km spur pipeline The Benefits of the BAT include: – Maintains river health and protects environmental flows – Provides water security – Re
Slide 12: Project Background
Project Background Avon Reservoir BAT Outlet and HEPP Avon Drop Shaft Spur Pipeline BAT Fitzroy Falls Project Location
Slide 13: Technical Highlights
Burrawang to Avon Tunnel Technical Highlights Fitzroy Avon WTP Falls Reservoir connection Long Section
Slide 14: Future Trends
Burrawang to Avon Tunnel Future Trends HOTTER & DRIER RENEWABLES REIGN? WATER SCARCITY With Australia predicted to In our transition to a more As water scarcity continues to become hotter and drier, the renewable energy future, wind and accelerate, it is firmly at the adaptive capacity of our people
Slide 15: Future Trends
Burrawang to Avon Tunnel Future Trends Forecast population growth from 5 million people today, to 9 million people in 2100, greater water scarcity unless capacity is increased Climate change causing hotter drier and more unpredictable weather – more frequent droughts, more intense rainfall Infrastru
Slide 16: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign Key requirement of the project is to future proof the water transfer infrastructure to allow future augmentation of a hydroelectric Power Plant or HEPP Conventional HEPP using water supply from Fitzroy Falls to Avon reservoirs not economically viable due to
Slide 17: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign 330kV Supply BAT Outlet and HEPP Tunnel BAT Avon Drop Shaft Upper Reservoir
Slide 18: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign Weir Max water level HEPP Lower Reservoir
Slide 19: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign Future HEPP BAT Outlet – Water Transfer Stub to connect Future HEPP BAT Outlet Tunnel Plan of BAT Outlet and Future Hydroelectric Plant
Slide 20: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign Spur Spur Pipeline Pipeline Water transfer and Water transfer only HEPP Flow
Slide 21: Renewables Reign
Burrawang to Avon Tunnel Renewables Reign Over 70m deep excavation Stub connection in sandstone Section through HEPP
Slide 22: Future Ready Approach
Burrawang to Avon Tunnel Future Ready Approach Avon Dam
Slide 23: Q&A
Q&A Doug Graham and Gareth Evans wsp.com
Slide 24: Upcoming Webinars
Upcoming Webinars Tell your friends Sustainable Urban Generation in the Going Underground to Strengthen Heart of Sydney Community Connection in New Thursday 16 April, 12pm (AEST) Zealand Wednesday 22 April, 12pm (AEST) Revitalising Communities and Creating Public Space in Victoria Thursday 30 April,