BREEAM 2011 REGISTRATIONS CLOSE ON 30TH JUNE -– REGISTER SCHEME UNDER BREEAM 2014 NEW CONSTRUCTION FROM MAY 27TH
The BRE has announced this week that ‘BREEAM (2014) New Construction goes live for registrations on May 27th – registration closes for projects under BREEAM New Construction 2011 on 30th June. Our BREEAM team will be happy to discuss the pro’s and cons of registering under each version of the scheme with you.
A review of the operational and technical changes to the BREEAM New Construction scheme between the current 2011 and BREEAM 2014 is given below.
Operational Changes – Scheme Structure and Evidence Requirements
A significant change in the structure of the scheme is its approach to shell and core and fit out projects – BREEAM New Construction 2014 will be used to assess Shell Only and Shell and Core developments with an additional assessment being necessary under the forthcoming BREEAM Non-Domestic Refurbishment scheme where fit-out projects are required to obtain certification.
The previous approach to fit-out projects – where the content of Green Leases and Green Building Guides could be used as evidence to certify shell and core projects has been removed.
For fully fitted out buildings the weightings in the Energy, Transport, Water, Materials & Waste sections have been changed. There are different sets of weightings for Shell and Shell & Core assessments – in ‘Shell Only’ developments, more significance is given to construction materials and site-related credits such as Transport, Land Use and Ecology.
Another key operational change from the 2011 scheme is the change to permitted evidence types, with a move away from the very prescriptive evidence requirements set out in the Scheme Documents to a more flexible approach of generally allowing any ‘appropriate evidence type’ and only list specific evidence requirements where necessary i.e. specialist reports, calculations, testing records etc. This may allow assessors more flexibility in providing evidence, but also introduces a risk that a design team’s interpretation of what is ‘appropriate’ may not tally with BRE’s eventual QA process.
Finally, the BREEAM Simple Buildings’ guidance, previously published as an addendum to BREEAM 2011, has now been included with the main technical manual for BREEAM 2014.
Technical Changes by Section
Probably the biggest changes from BREEAM 2011 have occurred in the Management section with a few new Credits and Credits being reorganised under new issue headings. This is now set out more logically so that the Credit issues better follow the timeline of project programmes, from brief development to post-handover aftercare and evaluation.
Credits Man 04 Commissioning and Handover and Man 05 Aftercare contain some of the initiatives from the 2011 scheme, but allow issues relevant to these project stages to be addressed as a whole, rather than as part of wider-ranging Credits
The key changes in the Health & Wellbeing section relate to Credit Hea 01: Visual Comfort, where glare control and view out have been split into separate Credits. Similarly, Credit Hea 02: Indoor air quality (5 Credits) has been split into two Credits, one for Indoor Air Quality and another for ventilation. An entirely new Credit, for Adaptability for Projected Climate Change Scenario, has been introduced, extending the thermal modelling to cover a projected climate change environment.
Within the Energy section, the number of Credits available under the key Ene 01 (Reduction of Energy Use and Carbon Emissions) item have been reduced from 15 to 12 and a new Credit, Ene 04: Low Carbon Design introduced, to promote ‘fabric first’ approaches to building performance passive design analysis.
This Credit also replaces the BREEAM 2011 Credit Ene 04 LZC Technology promoting passive measures over the implementation of LZC (renewable) technologies, although there will still be recognition for the provision of an LZC feasibility study and its implementation.
Credit Ene 06 Energy Efficient Transportation Systems has been extended to specifically recognise the provision of regenerative drives on lifts.
The Transport and Water sections are largely unchanged from the previous version of the scheme.
In the Materials category, Credit Mat 03: Responsible Sourcing of Materials will also now recognise where the Contractor sources materials in accordance with a ‘Sustainable Procurement Plan’. This Credit may also be affected by proposed changes to the ranking of the responsible sourcing certification schemes. Credit Mat 04: Insulation will no longer separately assess the responsible sourcing of insulation, simply focussing on the Insulation Index.
Also within the Materials section, Credit Mat 05: Designing for Durability and Resilience has been extended in scope to now also encompass materials specification which limits degradation due to environmental factors. A new Credit, Mat 06 Material Efficiency has been introduced to recognise the optimisation of materials use.
Within the Waste section, Credit Wst 02 Recycled Aggregates has been modified to introduce less onerous requirements for sourcing recycled aggregate from within 30km. Two new Credits have been introduced within this section – Wst 05: Adaptation to Climate Change will recognise the inclusion of measures to mitigate impacts of extreme weather and Wst 06 Functional Adaptability will recognise the inclusion of measures to permit potential changes of use over a building’s lifespan.
The key changes in the Land Use & Ecology section are the splitting of Credit LE 02: Ecological Value of Site and Protection of Ecological Features into two Credits, and the reduction of score available in Credit LE 04: Enhancing Site Ecology.
There are few changes to the Pollution section, with the most significant being the scope of Credit Pol 02 NOx Emissions being extended to cover Nitrous Oxide emissions from both space heating and water heating for all building types.