Sustainability Tools Amanda Gallagher, BRE Ireland, Dublin Contents Sustainability Tools Developments & Masterplans Buildings Energy Materials Waste Post Occupancy Evaluation Sustainability Issues in the Built Environment Site Selection Greenfield or Brownfield Site Impact on Natural Habitat
Existing infrastructure (roads/energy/tran sport networks) Proximity to amenities and populated areas Planning & Design Low Carbon Design Placemaking & Community Water Conservation Life Cycle Costing Fitness for Purpose Lighting Heating Ventilation
Economic centres/creation of jobs Infrastructure Probability of Flooding Material Specification Noise Assessment Site Ecology & Landscape Design
Stakeholder Consultation Flood Risk Prevention Orientation Polluting Chemicals and Substances Travel Plans Construction Construction Site Impacts Site Waste Management Energy & Water Use
Transport Emissions Building Operation Commissioning and Building Handover Building User Guide Energy Use Demolition Recyclable Materials Demolition Audits Disposal of Materials
Water Use Avoiding obsolescence Maintainability Flexibility Sustainable Materials Durability Recycled Aggregates User Controls Hazardous Materials
Why do we need specific guidance on sustainability? Definitions are not always that helpful in practice: Sustainable buildings definition (SBTG): as small an eco-footprint as possible, economic to run over its whole life cycle and fits well with the needs of the local community Need to define what you want to achieve in your context Education, training and awareness raising Means of assessing design options and applications Level playing field for developers Showing the future direction of policy How can sustainability tools help? Developers / architects / design teams:
What is the range of issues to consider? How are they linked together? What standards and advice are out there? What might decision makers expect? What does good practice look like marketing opportunities? How can I do more simple wins? What might I have to consider in the future? Sustainability Assessment Tools Development Tools Masterplanning/Developments Sustainability Checklists Greenprint
BREEAM Communities Buildings BREEAM/Code for Sustainable Homes LEED/Greenstar Energy (SBEM/SAP, PHPP etc. etc.) Environmental Design and Life Cycle Assessment Tool (ENVEST) Materials (Environmental Profiles & Green Guide to Specification) Construction site waste (Smart Waste) Post Occupancy Evaluation
Sustainability in Masterplans & Developments. Sustainability Checklists for Developments Greenprint BREEAM Communities What can Sustainability Checklists cover? Site choice Greenfield, destruction of natural habitat Development design and layout Regional Sustainability Checklists / Climate Change Tool kits / DQIs Individual building performance BREEAM / Ecohomes Elements of construction process ICE Demolition Protocol Procurement
The OGC Achieving Excellence Procurement Guide Post-build operation and management BRE/Carbon Trust / EST guides and any combination! Scored sustainability checklist - question: Objective To ensure that roof space is used productively to minimise water demand and manage water run-off on the site. Question 1.4 (2) What percentage of the total roof area in the development is designed to allow the harvesting of rain water for re-use and/or is covered by green roofs? Targets Minimum See relevant local planning authority standard for minimum
required. Good practice 50% of the roof area used for rainwater harvesting or green roofs Best practice More than 50% of the roof area used for rainwater harvesting or green roofs; captured water used for irrigation and /or toilet flushing and/or washing machines Mark for target reached: 1 2
3 Minimum not met 0 Considered not applicable for this application: 0 (a) mark awarded for this question: (b) Question weighting: Total Question score: (a) x (b): Justification Link s to the
RSS/ IRF RSS) CC2 Climate Change, CC3 Resource use 0.4 0 What we have learned in other work: Checklists are an increasingly common approach. SEEDA/BRE regional checklist recognised as part of the Sustainable Communities agenda Egan Commission and SBTG recommended that it should be rolled out to all regions in England (extensive tailoring now underway in each region). Developers will not fill them in unless required to must be a level playing field. Need to quantify what you want or specify a process. Ecobuild conference reiterated this from both architects and developers. Level playing field issue again.
Minimum, good and best practice scoring enable higher standards to be easily specified for more sensitive sites. GreenPrint - Bringing it all together Climate Change Buildings Resources Community Transport Placemaking Ecology Business
What is GreenPrint? Methodology to maximise the potential for sustainable communities Workshop led approach involving the whole stakeholder team Bespoke can be tailored to individual client needs Sets out clear understandable sustainability objectives and benchmarks Prioritises sustainability issues most important to a development Independent appraisal of final plans Provides an overall GreenPrint Score and Rating BREEAM Communities Similar to Greenprint but fixed criteria. Not Bespoke
Awarded a BREEAM Rating and certified by the BREEAM Office. Planning tool for developers and local authorities. Measures: Climate Change & Energy Community Placemaking Buildings Transport and movement Ecology Resources
Business Buildings BREEAM Code for Sustainable Homes LEED Greenstar What is BREEAM? BRE Environmental Assessment Method Certification scheme Measure of sustainability Independent & credible Holistic
Customer focused Credits and evidence based BREEAM Categories Health and Wellbeing Management Transport Energy Materials Water Waste Land Use and Ecology
Scoring Transport Transport Water Water Materials Materials Waste Waste Land LandUse Useand and Ecology Ecology Pollution Pollution
Single Score Energy Energy Category Scores Assessment Issues Health Health and and Wellbeing Wellbeing Environmental Weightings Management Management
BREEAM Score PASS GOOD VERY GOOD EXCELLENT OUTSTANDING 30% 45% 55% 70% 85% Mandatory Credits (Minimum Standards) Aims: To avoid that a building achieves an Excellent rating, but does not achieve compliance with
straightforward BREEAM issues e.g. storage of recyclable waste or installation of a water meter. Comparability across different schemes and BREEAM buildings The higher the BREEAM rating the more mandatory requirements there are and progressively harder they become. Innovation Credits Additional recognition for innovation in the field of sustainable performance, above and beyond what is currently recognised and rewarded in BREEAM Two ways of obtaining Innovation Credits:
1. By meeting exemplary level performance requirements for an existing BREEAM issue 2. Where an application is made to BRE Global to have a particular building feature or process recognised as innovative BREEAM 2008 2008 BREEAM Manuals available on the BREEAM Website http://www.breeam.org Code for Sustainable Homes The Code for Sustainable Homes is an environmental assessment
method for rating and certifying the performance of new homes Assessment is a two stage process design and post construction The Code provides an all-round measure of sustainability against nine categories of sustainable design A Code rating became mandatory for all new build homes from 1 st May 2008 and has been operational in England since April 2007 A code assessment results in a rating of between 1 and 6 and a certificate is provided with the dwelling Non-assessed dwellings will be accompanied by a nil-rated certificate Mandatory Performance Levels The Code covers nine categories of sustainable design
Energy/CO2 Water Materials Surface Water Runoff Waste Pollution Health and Wellbeing Management Ecology Six of these contain mandatory performance levels
Energy and Water have increasing minimum standards for each Code level Mandatory Performance Standards Entry Level requirements for: Energy Water Materials Surface Water run-off Waste Failure to meet the mandatory requirements will result in a zero rating
BREEAM International UK Rep. Ireland The Netherlands Denmark Poland Norway Turkey Iceland Romania Spain Sweden Israel Abu Dhabi Algiers Dubai Czech Republic France
Germany Hungary Italy Luxembourg Lebanon Malaysia Morocco Belgium Switzerland Philippines Poland Qatar Romania USA LEED
US Green Building Council Green Building Certification Scheme Credit based Assessment Method Awards performance in Sustainable Sites Water Efficiency Energy & Atmosphere
Materials & Resources Indoor Environmental Quality Locations & Linkages Awareness & Education Innovation in Design Regional Priority Greenstar Green Building Council Australia (GBCA) Environmental Rating System for Buildings in Australia Measures:
Management Indoor Environment Quality Energy Transport Water Materials Land Use & Ecology Emissions Innovation Energy SBEM SAP Passive House Planning Package (PHPP) SBEM SAP
PassivHaus the technical definition The design heat load is limited to the load that can be transported by the minimum required ventilation air 10 W/m2 heating load calculation is quite simple: 1 m/(mh) 30 C 0.33 Wh/(mK) = 10 W/m minimum ventilation rate of 0.4 ac/h is required for indoor air quality, that results in at least 1 m/(mh) being delivered by the ventilation system maximum heat input provided via the
fresh incoming air specific heat capacity of the air Passivhaus Planning Package (PHPP) ENVEST 2 Environmental Design & Life Cycle Assessment Tool Whole Life Costing Environmental Design Vs Financial Impact Predicts Environmental Impact Materials
Heating Cooling Building Operation Materials : Measuring environmental impact SMARTWaste Waste benchmarking Waste reduction Pre-demolition audit Reuse and recycling site locator Related training, consultancy and guidance
Post Occupancy Evaluation Measuring Sustainability Post Construction Energy, water and sustainability audits Monitoring and recording consumption levels to allow benchmarking BREEAM assessments Determining if design stage commitments have been made Design Quality Method Evaluating architecture, environmental engineering, user comfort, whole life costs, detail design and user satisfaction Occupant experience Questionnaires, focus groups and interviews to examine how the occupants interact with the building Financial analysis Cost benefit analysis Further Information South East of England Development Agency Example Checklist on line - http://www.sustainability-checklist.co.uk/ index-17.htm
BREEAM and Ecohomes www.breeam.org/ Regional Sustainablity Checklist for developments www.wwf.org.uk/filelibrary/pdf/regsust_checklist.pdf
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