The COLA structure at Castle Hill High School serves multiple purposes, providing shelter during inclement weather while also offering a spacious area for school assemblies. This versatile structure accommodates the school’s growing number of students and staff.
Curved metal roof for aesthetic impact with soffit lining for an enhanced finish
Curved metal-roof COLA
Double Basketball Court
43m x 32m
Hot Dip Galavanised
COLORBOND® ‘Windspray’ roofing
with Wonderglas ‘Opal’ skylights
Situated in a growing area of Sydney, Castle Hill High School saw student numbers rise to over 2,000 in recent years – and needed a space to accommodate them during all weather conditions. The school’s basketball courts were exposed to the elements and meant students and staff couldn’t use them in wet weather; this was especially challenging as Sydney experienced heavy La Niña rain. The structure needed to not only cover and shade the sports courts but also complement the space’s surrounds and existing architecture.
Following a tender process, the school selected a 31.5m x 42.6m metal COLA structure. It was built with a curved metal roof for minimal visual impact and fitted with a soffit lining – where the roof is sheeted underneath – for a streamlined finish. The COLA has birdproof to minimise maintenance and cleaning, especially a concern given the school’s leafy surrounds. As the courts are bordered by other school buildings, site access required careful consideration and planning; Greenline built a specialised ramp and used cranes to get equipment onsite and complete the build.
The COLA means students and staff can now fully enjoy the outdoor area with protection from the elements. Previously, the school had to split assembly into two sessions as the existing hall wasn’t big enough. Now, Castle Hill High School can host whole school assemblies for the first time in five years.
Curved metal roof for aesthetic impact with soffit lining for an enhanced finish
Curved metal-roof COLA
Double Basketball Court
43m x 32m
Hot Dip Galavanised
COLORBOND® ‘Windspray’ roofing
with Wonderglas ‘Opal’ skylights
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Greenline Group Pty Ltd
3 Dangar Place, East Wagga Wagga NSW 2650
Email: hello@greenline.com.au
Sydney Phone: 02 9023 9960
Melbourne Phone: 1300 395 832
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