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Evacuation Strategy at Bankwest Stadium Overview

Bankwest Stadium, located north of Parramatta CBD, has a capacity of 827 cars with one access road. The venue hosts up to 50 sports events and 2 concerts annually, accommodating thousands of patrons. Challenges include flood warnings, early car park flooding, and transportation disruptions. A multi-staged response plan with escalating alert modes and three responses—Cancel, Leave early, Stay—aims to mitigate risks effectively.

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Evacuation Strategy at Bankwest Stadium Overview

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  1. Time Out Bankwest Stadium Evacuation Steven Molino

  2. Overview 1. Development 2. Flooding 3. Challenges 4. Response strategy Photo from: bankweststadium.com.au 2

  3. 1. Development • Redevelopment and expansion • North of Parramatta CBD on bend of river • Three car parks for a total capacity of 827 cars • One access road (north and south) 3

  4. Six levels L00 (RL 9.12 m) – Service: Pitch and utilities L01 (RL 14.676m) – Concourse L02 to L06 include club and suite rooms, media space • • • • 4

  5. L00 (RL 9.12 m) – Service level 5

  6. L01 (RL 14.676m) – Concourse 6

  7. • Approval condition is FEMP before operation • Venue operator appointed when construction works almost completed • No input to design • First event 14 April 2019 7

  8. Operation EVENTS (activities using the playing field) 40 - 50 sport events per year - up to 30k patrons 2 concerts per year - up to 40k patrons 2-3 hours duration Door opening 2 hours before start Clear of all patrons within 1 hour after event Most patrons on foot Car parks expected to be full (827 spots) FUNCTIONS (activities not using the playing field) Up to 800 patrons Any day of year Car parks partially full • • • • • • • • • • • • 8

  9. 1. Development 2. Flooding 3. Challenges 4. Response strategy Photo from: bankweststadium.com.au 9

  10. 5% AEP: 7.04m AHD 1% AEP: 8.15m AHD PMF: 13.17m AHD 10

  11. Topography • Local topography altered by cut and fill operations associated with the construction works • PMF extent may be smaller than what shown in model 11

  12. Flood Rate of Rise and Duration in PMF 12

  13. 1. Development 2. Flooding 3. Challenges 4. Response strategy Photo from: bankweststadium.com.au 13

  14. Challenges • Maybe 2hrs flood warning • Car parks flood early • Public transport on other side of river • Where evacuate to? • Need balance between: Calling unnecessary cancellations Having large numbers stranded • • 14

  15. Proposed strategy 15

  16. 1. Development 2. Flooding 3. Challenges 4. Response strategy Photo from: bankweststadium.com.au 16

  17. • Multi-staged plan • With escalating alert modes • Multiple response triggers • Three responses: Cancel Leave early Stay • • • 17

  18. Alert Modes • Yellow: flooding possible within 24 hrs • Orange: possible southern car park flooding in the next 2 hrs • Red: site flooding possible in next 2 hrs • Black: site flooding possible within 1 hr 18

  19. YELLOW Flooding of the site possible within hrs ORANGE Flooding of the southern car park possible within 2 hrs RED Flooding of the site is possible within 2 hrs BLACK Flooding of the site is possible within 1 hr 24 BoM Severe Weather Warning Parramatta Area Not Applicable Not Applicable Not Applicable A Severe Weather Warning is issued OR↴ for the BoM issued for Parramatta River Flood Watch Not Applicable Not Applicable Not Applicable A Flood Watch is issued for the Parramatta River OR↴ City Floodsmart system of Parramatta warning Not Applicable A MINOR flood warning is issued A MODERATE flood warning is issued OR↴ A MAJOR flood warning is issued OR↴ Marsden gauge reading AND BoM rainfall Weir live Not Applicable Marsden Weir gauge reading = 0.56m AND 24h forecast rainfall is 50mm or greater OR↴ Marsden Weir gauge reading = 3.06m OR↴ Marsden Weir gauge reading = 4.16m OR↴ forecast Visual Observation Not Applicable Floodwaters are sighted in the green area between the southern car park, the river and O’Connell Street Floodwaters are sighted entering the southern car park OR↴ Floodwaters are sighted half way through the southern car park OR↴ OR↴ Direct communication from NSW SES Not Applicable Received advice that the southern car park may flood. Received notification that a MAJOR flood is expected Received evacuation order 19

  20. Thank you 20

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