HERITAGE CAN BE SUSTAINABLE: A CASE STUDY OF OLD PERTH BOYS’ SCHOOL
GBCA WEBINAR 20TH JULY 2017
Presenters Dr. Rocio Bona, Planning Director
Kyra Lomas, Conservation Project Officer
Prasanna Surawera, Sustainability Section Manager, Principal
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Vision and mission A recognised global leader in research, education and engagement. As Curtin heads towards 202, we will position ourselves as a leading global university, ensuring that we: • • • • • •
Strengthen our capacity to be future looking. Maintain a focus on excellence in everything we do. Strive to be both industry-facing and industry embedded. Deepen our well-established culture of innovation. Build life-long connections with an engaged alumni. Above all, be led by our values as we support our staff, promote indigenous reconciliation and contribute to a fairer and more just society for all.
Master plans are one component of the university’s strategic plan - but importantly they help set long term investment decisions.
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>> Old Perth Boys’ School
700+
20,000
bike storage and EOT facilities
Daily visitors served by new bus port
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Image Name Image Description
Image Name Image Description
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>> Old Perth Boys’ School
>> Old Perth Boys’ School
PROJECT TEAM • • • • • • •
Client Architecture and Heritage Project Management Sustainability Services and Structure Acoustics Construction -
• •
Quantity Surveyor Interior Design-
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Curtin University National Trust of Western Australia AMR & Associates Wood and Grieve Engineers Wood and Grieve Engineers Wood and Grieve Engineers Clinton Long Project Management (CLPM) Davson and Ward DYO Events
FROM ORDINARY TO EXTRAORDINARY • Brief - 4-star minimum, 5-star aspirational 100% 80% 60% 40% 20% 0% Management
IEQ
Energy
Transport
Water
Materials
Eco
Emi
Innovation
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PATHWAY TO 6-STAR 100% 80%
Management
60% 40% 20%
Key strategies • Commitment to Performance • Services and Maintainability Review
Key strategies • 55% reduction in total GHG • ~80% reduction in lighting - LED & controls • ~65% reduction in ACVRV & controls • ~15% reduction in equipment - Auto-off for AV Challenges • Facade limitations
Pathway to 6-star 100% 80%
Transport
100% 80%
60%
60%
40%
40%
Water
20%
20%
Key strategies • Sustainable Transport
Key strategies • 35% reduction in Water • Efficient fittings and fixtures
Key strategies • Life Cycle Assessment • Responsible Building Materials Challenges • Could not demonstrate LCA value of heritage
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Pathway to 6-star 100%
Eco
100%
Emi
100%
80%
80%
80%
60%
60%
60%
40%
40%
40%
20%
20%
20%
Key strategies • Base Building Cultural Heritage Significance • Hazardous Materials
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Key strategies • Light Pollution to Night Sky
Innovation
Key strategies • Community benefits • Contractor education • Culture, heritage and identity • Marketing excellence • Improving on Green Star benchmarks
Take away – life cycle assessment
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Take away – W&G ESD CONsultant Many challenges to working on a heritage site • Glass, facade limitations – impacts external views, daylighting, thermal performance…. • Risks of the unknown • VOC - timber sealers Significant benefits • Cultural & Social • Life cycle and embodied energy We need to champion the cause • Current benefit (~3 points - Cultural Heritage Significance and innovation challenge) outweighed by above limitations • Global trend for higher value of Heritage – 5 points for historic building reuse
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Take away – National trust Existing buildings are already sustainable • Embodied energy • Recycled materials Important to be aware of heritage values and best practice throughout project • Professional team members with a wide range of heritage and sustainability experience • Knowledge of materials and compromises that can/cannot be made • Client with awareness and commitment to heritage