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Alisdair McGregor, PE, LEED AP Principal, Arup Fellow, Arup

Analyzing the District – Part II. Alisdair McGregor, PE, LEED AP Principal, Arup Fellow, Arup. Analyzing the District – Part 2. Alisdair McGregor. Getting to Climate Positive. Optimal Scales. Optimal Scales. Optimal Scales - ENERGY. Key Variables Resource Intensity Climate Intensity

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Alisdair McGregor, PE, LEED AP Principal, Arup Fellow, Arup

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  1. Analyzing the District – Part II Alisdair McGregor, PE, LEED AP Principal, Arup Fellow, Arup

  2. Analyzing the District – Part 2 Alisdair McGregor

  3. Getting to Climate Positive

  4. Optimal Scales

  5. Optimal Scales

  6. Optimal Scales - ENERGY Key Variables Resource Intensity Climate Intensity Resource Cost Mixes of Use Space Availability

  7. Optimal Scales - ENERGY Key Variables Resource Intensity Climate Intensity Resource Cost Mixes of Use Space Availability

  8. Optimal Scales - WASTE Key Variables Resource Intensity Climate Intensity Resource Cost Mixes of Use Space Availability

  9. Optimal Scales – WATER Key Variables Resource Intensity Climate Intensity Resource Cost Mixes of Use Space Availability

  10. District Energy in Mixed Use

  11. 4. ECODISTRICT SYSTEMS

  12. Choosing by Advantages System ComponentsWeighting of Selection Criteria

  13. choosing by advantageSystems Analysis Conceptual Design

  14. Analyzing District Systems • Review Existing Conditions • Demand • Baseline • Gold + • Deep Green • Supply • Baseline • Individual plant for each building • District level systems • Sustainability, Risk, Financial

  15. DEF Analysis Conceptual Design

  16. THERMAL ENERGY CUP COMPARISON Best System, Least Cost Economics Choosing by Advantages Instantaneous Payback No Payback Good Better Best

  17. THERMAL ENERGY Rough Comparison to Building Scale <4 years <6 years ~6 years • Assumptions: • Used % premium from VRF @ NBV: • CapEx (CWL was $37.3M vs VRF $31.3M) • O&M (CWL was $.50/sfvs VRF $1.15/sf • Energy performance predicted by DEF: • 8.5% less energy needed annually Years

  18. Setting Strategies for Adaptation

  19. Understanding Vulnerability

  20. Here comes the commercial • Two Degrees: The Built Environment and Our Changing Climate • www.routledge.com/books/details/9780415693004

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