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Presentation At EcoBuilding Conference

Presentation at the Mauritius EcoBuilding conference on the 19th March 2010 at the SVCC, Pailles.
This presentation outlines the use of environmental benchmarking and certification in the built environment.

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Presentation At EcoBuilding Conference

  1. 1. Sustainability within the Built Environment: Presented at the EcoBuilding Conference, in March 2010, by Emma Kauppaymuthoo-Özsen © Build‐Green Consulting, 2010
  2. 2. It is therefore clear that for developing nations such as Mauritius, sustainability must be a priority. © Build‐Green Consulting, 2010
  3. 3. • Minimise heat gains - design to shade all year round • Consider building orientation, orientation form, and thermal mass • Specify a high performance high-performance building envelope • Maximize passive heating, cooling, ventilation, and daylighting • Install efficient systems to meet remaining loads • Ensure individual energy-using devices are as efficient as possible • Ensure the systems and devices are p p y commissioned y properly © Build‐Green Consulting, 2010
  4. 4. The challenge The challenge Knowledge and technologies to produce sustainable buildings are available. g Economic benefits are now well- documented in literature. © Build‐Green Consulting, 2010
  5. 5. The vicious circle of blame The vicious circle of blame Adopted from David Cadman (2000) © Build‐Green Consulting, 2010
  6. 6. The virtuous circle © Build‐Green Consulting, 2010
  7. 7. Feedback and Adaptation p © Build‐Green Consulting, 2010
  8. 8. How Green is Green? Measuring Sustainability © Build‐Green Consulting, 2010
  9. 9. Sustainable Performance Certification Sustainable Performance Certification The most popular rating tools Launch date Launch date 1990 1998 2003 Certifying  Building Research US Green Building  Green Building Council  body Establishment (BRE, UK) Council (USGBC) of Australia (GBCA) LEED Accredited  di d GreenStar Accredited  di d Required  BREEAM assessor (training, exam &  Professional  Professional (training  qualifications test assessment verified by BRE) (exam) and exam) Offices, Retail,  Offi R t il Offices, Retail Types of  Offices, Retail, Healthcare, Multi‐ institutional  buildings  residential, Education under the  (other schemes in pilot  buildings, hotels,  assessed “Bespoke” scheme stage of development) residential ‐ Some pre‐ Assessment ‐ No credit pre‐requisites (to date) requisites ‐ Some pre‐requisites details ‐ Criteria not fixed (credit filtering) ‐ Criteria fixed ‐ Criteria fixed Criteria fixed © Build‐Green Consulting, 2010
  10. 10. market recognition for low environmental impact buildings assurance that best environmental practice is incorporated into a building inspiration to find innovative solutions that minimise the environmental impact of a building criteria and standards over and above legislation a tool to help reduce running costs, and to improve working and living environments a standard that demonstrates progress towards corporate and organisational environmental objectives © Build‐Green Consulting, 2010
  11. 11. Estimated Savings in Green Buildings G B ildi © Build‐Green Consulting, 2010
  12. 12. Energy Operational energy and carbon dioxide (CO2) Management Management, commissioning  and procurement Health & Wellbeing Indoor and external issues (noise, light, air quality etc) Transport Transport‐related CO2 and location related factors Water Consumption and efficiency inside and out Consumption and efficiency inside and out Materials Embodied impacts of building materials, including lifecycle  impacts like embodied carbon dioxide Waste Construction resource efficiency and operational waste  management and minimisation  Land use Land use Type of site and building footprint  Type of site and building footprint Pollution External air and water pollution Ecology Ecological value, conservation and enhancement of the site © Build‐Green Consulting, 2010
  13. 13. General assessment methodology gy Design & Procurement Stage Assessment Request for Identify building Registration with assessment type & functions certifying body Assessor advice & consultancy Y Design Stage QA Submission to Evidence Certification Passed? certifying body gathered N Onto Post Amendments / Construction stage C t ti t additional i f dditi l info (if required) © Build‐Green Consulting, 2010
  14. 14. General methodology for assessment General methodology for assessment • P t C t ti Assessment Post-Construction A t Y From D&P Post-construction Submission for QA Post Construction Assessment evidence gathered g certification Passed? Certification N Amendments / additional info © Build‐Green Consulting, 2010
  15. 15. Example credit  criteria from  BREEAM Bespoke © BRE Global Ltd (2008)
  16. 16. © BRE Global Ltd (2008)
  17. 17. Scores in the different sections are then added together to p g g produce a single overall score, which translates into a RATING. Environmental weighting factor: takes into account the relative importance of each section section. Pass ≥ 30 80+ points = 'Platinum’ Good ≥45 60 to 79 points = 'Gold’ Best Practice  Very Good ≥55 ey 55 (Score 45 - 59) 59) Excellence 50 to 59 points = 'Silver’  Excellent ≥70 (Score 60 – 74) World Leadership 40 to 49 points = 'Certified’  Outstanding ≥85 (Score 75 - 100) © Build‐Green Consulting, 2010
  18. 18. Consider assessment criteria at the earliest possible stage, before detailed design and before major commitments are made; & use assessment criteria to guide the design. Practice good b ildi P ti d building management; t Contribute to health and well-being of staff; Reduce CO2 emissions from building operations as well as transport to and from a building; W t use and efficiency; Water d ffi i Use of responsibly resourced materials, with low embodied energy and use of recycled materials; Building’s location and footprint; Minimise pollution (air water and sound). (air, sound) © Build‐Green Consulting, 2010
  19. 19. Build‐Green Consulting