1 Roebuck Castle Student Housing - NY Passive House...Roebuck Castle Student Housing 19...
Transcript of 1 Roebuck Castle Student Housing - NY Passive House...Roebuck Castle Student Housing 19...
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Roebuck Castle Student Housing
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Context
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Context
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Project
A Key Component
of the Future
Sustainable Campus
Development will
be more Students
Resident on
Campus
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Design
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Project Particulars • Highly Sustainable by Nature
• PHPP favoured over BREEAM
• Focus on Low Energy Demand
• Goal was an ‘Exemplary’ building
• Highly Supportive Client
• Guide for Future Development
• Exceptional Learning Tool
• Use of Renewable Materials
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Brief
135 Student Residents
4,300 square metres
Very High Performance
Rapid Delivery
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First Floor
Ground Floor
Design
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Delivery
• Very Detailed Design Documents
• Extensive On-site Oversight
• Quality Management
• Rigorous Pre-handover Testing
• More Sophisticated than your ‘Average Build’
• Post-occupation Data-logging and Monitoring
• Architect-led Strategy
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Users
Transient Student Population
135 Students from Brazil to Brighton
Meeting User Expectations is Challenging
Promoting Engagement through Guidance
Channelling Feedback into Management
Encouragement of ‘Learned Habits’ is key
“Windows linked by sensors to heating are highly effective – but need to be closed when room is unoccupied”
“19 electrical chargers”
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Construction
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Construction
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Insulation Continuity
Consideration required at all
• Junctions
• Interfaces
• Fixing Points
Point-fixing of Unitised Panels
Thermal Isolation of Primary Structure
Set Design Criteria to allow for Wastage
Cold Bridge Detailing
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Envelope
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Envelope
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Quality
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Materials
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Post-completion monitoring of systems and comfort are essential to continue to learn and develop yet higher skills going forward.
SEAI (through UCD Energy Research Group) is carrying out a programme of monitoring and post occupancy evaluation of the building.
Monitoring equipment logs environmental data in 16 student rooms.
It also records overall energy demand for space heating, hot water, heat flows from HRV and solar collectors.
The data provides verification of the design and will also feed back into research in the design of following projects
Post-Occupancy Monitoring
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Monitoring
Global : • Heat Input
• Solar Fraction
• Electrical Power
• HRV
• Water Consumption
Specific at 16 locations : • Temperature
• CO2
• Humidity
• Voltmeters on light + power
• Flowmeters on heating + water
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Extensive and Continuous data logging.Complexity of Multiple Transient Users.Space Heating Demand: 15 kW/m2/pa threshold 12k kW/m2/pa design >15 kW/m2/pa on completion 12-13k kW/m2/pa current
Context - Average Building Value 55kW/m2/pa Building Regulations Part L 2008
Monitoring at Scale - Plan at Design StageIntegrated Systems Approach - eBMSModest CostCentrally Important Tool in High-Performing Buildings
Data
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What You Need To Know
User Behaviour Patterns can only be Modelled at Design Stage.
Passive Measures can be Validated at Occupation.
The Control and Interfaces of Building Installations need to be Verified against Actual User Behaviour.
Post-completion Monitoring offers Wide and Rich Source of Factual Information to Refine the Operation of Building Installations.
In the case of the Roebuck Castle Residence, it has allowed the complex pattern of use to be measured and responded to refine the building performance to meet the Exacting Performance Standards for the Project.
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Energy Use
Total Energy Use
Average Energy Use
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Solar Fraction
Indoor Parameters Monthly Energy Use
Energy Use
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Photos
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Conclusions
Traditional Envelope Solutions will yield to LightWeight Envelope Design.
Verification involves Rigorous On-site Quality Controls and Pre-testing before Acceptance and Handover.
In-life Costs are the True Measure of Low-carbon Design.
Low Carbon Design must become “Mainstream”.
Quality in Design is inseparable from Performance.
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Increased Building Performance represents a Challenge and an Opportunity
Fully Documented and Verified Design puts Architects at Centre-Stage
High Quality Building Design does Deliver Exemplary Performance - BREEAM, LEED and PHPP.
Cannot be an Afterthought – starts with “First Lines-on-Paper”.
Conclusions