Waverley Bus Depot
Design
Design
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The side elevations looking west to [Centennial Park](/wiki/Centennial_Park%2C_New_South_Wales "Centennial Park, New South Wales") were designed with stepped [Dutch gables](/wiki/Dutch_gables "Dutch gables") with circular ventilation openings. Including:

* 17 tracks
* brick gabled [parapet](/wiki/Parapet "Parapet")
* brick stepped style [gables](/wiki/Dutch_gables "Dutch gables"), with circular vents
* Roof orientation to south

How do the circular vents serve a purpose in the design?