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Breeam 2011 Presentation 2011 06 Jun 29
- 3. Timings:
- 6. New and up-coming regulation and standards
- 8. Scope of BREEAM 2011: building types
- 24. Questions?
- 25. Contact GBSPM for any BREEAM requirements on: Landline: 08444 151299 Mobile: 07974037151 Email: [email_address] Skype: gbspmltd
Editor's Notes
- Sorry if you were expecting an ex prime minister… My name is GB – used to work as Chief Eng/ Pm for SRM. Tay wood – set up GBSPM 5years ago Flexible agenda Happy to take Questions
- Purpose To give you an overview of BREEAM 2011 An insight in to the technical changes and additions How the changes may affect and benefit you How BRE through BREEAM is aiming to drive transformational change in the performance of new buildings So why are we here? -- to increase our BREEAM rating or to actually improve the buildings we are involved in procuring, designing and building.... Simple rhetorical Question as if we are just trying to hit the required BREEAM score you're missing the big picture that we are supposed to be aiming for the best buildings we can build for the money! Issue with 2008 was the lack of ability to ascertain benchmarks [INDUSTRY PROBLEM] New format will be far more interegatable…
- BRE’s Ideal world….. Problem that they have not informed the planners
- BREEAM is simply a means to an end…. And as I mentioned like any tool can be used well or not… as is the case… What clients need are teams with green credentials// …. Teams with awareness of the elements of good design from the Architects Elements that constitute good value over the life of the building (not just cost over the construction period) from the QS’s M&E teams that understand the drivers and provide systems en bloc that operate Contractors that understand and deliver what is asked of them, but are free to flag where risk has just been transferred down the line to those who deliver… 16% contractor’s input.... 21% Clients location of site and input 63% design So taking that on board and realising we are where we are, we need to do something and this is, in my humble opinion at least the best way at present to get someway towards the required levels.
- Purpose: Set the scene and context against which BREEAM has been updated and developed Outline some of the external drivers directly and indirectly influencing both BREEAM now in terms of 2011, but also BREEAM in to the future Stern report oct 2006
- Part L: 25% aggregate improvement in terms of CO2 emissions -- Biggest influencing factor in BREEAM 2011 Aggregate approach required us to re-think how we assess energy performance. 2) M350 Standardisation Mandate to CEN: “ provide a method for the voluntary delivery of environmental information that supports the construction of sustainable works including new and existing buildings.“ Another major influence on BREEAM, not just now but the next generation of schemes - develop schemes compliant with 350 in terms of calculation methods, procedures, rules and presentation of data but Maintain BREEAM’s flexible, score-card approach to specifying and evaluating a building’ environmental performance 3) United Nations Environment Programme publication, a Common Carbon Metric for measuring and reporting GG gas emissions from building operations - Requires reporting in weight of carbon dioxide equivalent emitted per square meter per year by building type and by climate region. BREEAM 2011 also reports other common metrics in addition to carbon, for example water consumption and embodied Carbon. 4) Low Carbon Construction, Final report from the Innovation and Growth Team chaired by Paul Morrell - how UK construction can rise to the challenge of the low carbon agenda the UK commitment to reduce carbon is now a legal obligation and it depends on UK construction to deliver key task from the report influencing BREEAM is “to provide people with buildings that enable them to lead more energy efficient lives” The report highlights the need for innovation in this respect, and this is hopefully where BREEAM can play its part, not just in the future but now. The international Code for a Sustainable Built Environment // now affiliated versions in the Nederlands and Spain the direction of BREEAM and its future evolution needs to be guided not only by BRE Global under our UK Governance procedures but also by our international partners // We’ve taken the step to position BREEAM within an overall intellectual framework for the environmental assessment of the built environment // Based on the principles of science and independence Enables any national scheme operator to develop, maintain and operate local processes, products, schemes and software tools in affiliation with BREEAM in a transparent and robust manner // This applies to BREEAM schemes and tools in the UK, as well as our international partners schemes and tools. // And is the embodiment of the International Code for a Sustainable Built Environment
- Merged credits down – MAN1 is now worth 8 credits covering Acredited Professionals/ Commissioning / Handover and Aftercare Any user of multiple BREEAM 2008 schemes will notice the similarities between the schemes for different building types and convergence of the assessment criteria. Taken one step further in BREEAM 2011 The purpose of this is to provide clients, assessors and other BREEAM users with a single point of reference regarding BREEAM’s application to new build projects.
- Essentially covers the same building types as BREEAM 2008 Includes many building types that under 2008 required bespoke criteria development e.g. Community building These buildings now fall within the scope of the standard scheme and do not require a separate tailored criteria set.
- Mat 03: Legal and sustainable sourcing of timber in accordance with the UK Government Policy on Timber Procurements Wst01: At least one credit achieved in terms of reducing construction waste, for the outstanding level. Ensures there are minimum standards in BREEAM for energy, water and waste.
- That’s the concept, but how does BREEAM translate modelled performance in to BREEAM credits?
- Regulation compliant = zero credits 5% improvement in either demand, consumption or CO2 will achieve at least one credit. That level defines the “starting price” for BREEAM credits Excellent minimum standard requires an EPR of 0.55, but as a minimum a CO2 EPR of 0.22 which equates to a 25% improvement in CO2 emissions (over the target emission rate) BREEAM Outstanding minimum requires an EPR of 0.72, but as a minimum a CO2 EPR of 0.29 which equates to a 40% improvement in CO2 emissions (over the target emission rate) Achieving all fifteen BREEAM credits requires net zero carbon for regulated emissions. This equates to a CO2 EPR of 0.38. Innovation credits are available where the building meets a progressively higher proportion of its unregulated energy demand from carbon neutral sources. To the point where it can be said to be carbon negative i.e. it generates more carbon neutral energy that it requires, exporting the remainder to meet other off-site energy demands.
- Additional BREEAM credit for design teams that address and account for whole life carbon emissions and savings in the feasibility and specification of the relevant low or zero carbon technology. So essentially two scales…
- Through the Green Guide different types of EPD and their inherent levels of robustness will be recognised. Potentially, a generic elemental GG rating can be improved as a result of including a product or material specific rating, based on certified data. Important to stress that this is not a change to how BREEAM assesses life cycle impacts and awards credits, but a means of ensuring that the relative robustness of the different types of EPD is recognised and rewarded.
- 2008 issues such as commissioning and the use of an accredited professional. Three parts: project brief and design, construction and handover and aftercare Soft landings: Embedding the principles of this framework within a project should ensure that the evidence is available to demonstrate compliance with criteria under this BREEAM issue.
- Completely new element to BREEAM new construction Ensuring that, from handover during early occupation, the building performs as intended and expected Data collection = water, energy and POE BiU provides a system for demonstrably meeting many of these requirements
- An assessor should be involved in a project as early as possible. As BREEAM is predominantly a design stage assessment it is important to implement details into the design as early as possible. By doing this it will be easier to obtain a higher rating and a more cost effective result. Ideally an assessor should be brought on board at the concept design stage. As a specifier of BREAM excellent, WAG should employ an assessor to assist preparation of tender documentations to ensure % credits already achieved.
- Example Clause for ‘Specification Bank’ - Insulant ODP and GWP “ All insulants used within the building fabric and services will avoid the use of substances with an ozone depleting potential (ODP) and with a global warming potential (GWP) of more than five, in either manufacture or composition. This will apply to insulation products used in the following building areas: a. Building fabric including (but not exclusively); walls, roof, floor, window frames, doors, cavity closures and lintels. b. Building services including (but not exclusively); chilled water pipework, refrigerant pipework, ductwork, hot & cold water pipes and water tanks etc. c. Internal sound proofing.” Do get assessor to assist in writing standard clauses rather than general references to CIBSE , LG3 ,etc in tender docs
- Born 2 October 1869 Died 30 January 1948 80 years old, but still relevant..... Write down Questions… If I’m unable to answer any I’ll come back to you….