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Wind Regions are derived from the Australian StandardsAS/NZS 1170:2:2002. The Region refers tothe The Terrain Category referstothe descr ofthe...

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Wind Regions are derived from the Australian Standards AS/NZS 1170:2:2002. The Region refers to the terrain at the

The Terrain Category refers to the descr

of the

WIND REGION A =

mate Design Wind speed of 41m/s or 147.6km/h (Region A, Terrain Category 2, 10m reference height)

WIND REGION B =

mate Design Wind speed of 51.9m/s or 186.84km/h (Region B, Terrain category 2, 10m Reference height)

WIND REGION C =

Design Wind Speed of 64.5m/s or 232.2km/h (Region C, Terrain Category 2, 10m Reference height)

Wind Region D =

Design Wind speed of 88m/s or 316.8km/h (Region D, Terrain Category 2, 10m Reference height)

142

COCOS ISLANDS REGION C

REGION B (AUSTRALIAN TERRITORY ONLY) 11 McDONNELL CREEK

C

CHRISTMAS ISLAND REGION B

MORETON

C

WYNDHAM (C) ADELAIDE RIVER

50km 100km 150km

MAREEBA

C

BORROLOOLA KUNUNURRA WEST MORELAND BURKETOWN

IVANHOE

20 CROYDON

COLLINSVILLE

20

ALICE SPRINGS

MARBLE BAR

BILOELS

MILLSTREAM

D

C CARNARVON 25

BUNDABERG 25

REGION A4

GASCOYNE JUNCTION CALTYTHARRA

BRISBANE

TOOWOOMBA

CORINDI

KYOGLE MORAWA 30

NORFOLK ISLANDS REGION B 30

MULLEWA

27

GREEN HEAD

GUNYIDI

KALGOORLIE

REGION A1

BOURKE WOOMERA

LORD HOWE ISLAND REGION A

ADELAIDE

35

SYDNEY

CANBERRA

35

200km 75km

Regions are marked with the letters A (A1 to A5), B C and D. Coastal Region boundries are smooth lines set in from a smoothed coastline by 50, 100 and 200 km. Islands within 50km of the coast are the same Region as the adjacent coast.

A2

50km STATE BORDER

REGION A5 (WITHIN 70km OF MELBOURNE P.O.)

40

A3

45