RapidLCA App for Housing

eTool has recently delivered a new app for rapid life cycle assessment of houses. RapidLCA streamlines the sustainability assessment of lower density residential buildings. It is aligned with ISO standards for Life Cycle Assessment and CEN standards for the sustainability assessment of buildings.

We are extremely excited about this very ambitious project, the goal was to deliver a mobile app that could conduct a comprehensive, standards compliant LCA in under 20 minutes.  Incredibly that’s what we’ve achieved and we think there’s still a lot of room for making even easier and/or faster.

We expect there is a great application at the local government level as well to support planning requirements and decarbonise residential buildings. Because the assessment is performance based and not prescriptive it enables the largest environmental improvement at the lowest capital cost to development applicants (and often lower life cycle costs).

Simply navigate to RapidLCA.com in any browser to access the app.

Download the RapidLCA presentation here.

Please see the below videos that explain the background, showcase the app in action and present a couple case studies:

 

Background:

RapidLCA Demo:

 
 Case study (Land developer) – Witchcliffe Ecovillage:
 
 
  Case study (Local Government) – City of Vincent WA AU:
 
 
 

 

LCA and UKGBC Net-Zero Framework

Given the recent movements in the climate justice campaign, the release of UKGBC Net-Zero Carbon Framework in April this year has been very timely. Although we have seen various “net zero” definitions in the UK in the past (such as the scrapped zero-carbon homes targets under building regs over 10 years ago) it feels this time the general idea has more industry backing with 100s of architects, structural engineers and councils formally declaring a climate emergency.

The UKGBC definition is an interim step on the pathway to assessing full life cycle impacts. It introduces embodied carbon in materials (A1-A3), their impacts for transport (A4) and constriction (A5) alongside operational energy (both regulated and unregulated emissions).

ukgbc net zero

Figure1: UKGBC Net Zero Carbon definition (April 2019)

 

Unfortunately, it does not go as far as full LCA yet with the idea that it simplifies the work and encourages uptake. However, module B1-B5 presents a large chunk of CO2e that will be missing from the calculations. Typically B1-B5 can be responsible 500-1000 kgCO2e/m2 over 60 years and ignoring these impacts will lead to good potential design opportunities being missed. Onsite renewables such as PV will be replaced over the life cycle and whilst the energy that they offset will be included in B6 the embodied impacts of their replacements are not. There are plans to increase the scope in future updates and it is encouraging to at least see some level of joined-up thinking between operational energy and construction embodied carbon. This will no doubt drive some improved design outcomes as design teams can assess the relative merits of strategies that impact on both energy and construction impacts such as thermal mass or triple glazing.

Modelling in eToolLCD
There are two choices of dataset groups in eTool currently. Either BRE IMPACT data or eToolLCD default data (regionalised data available for UK, EU, Aus, NZ and USA regions). Both can be used to model net-zero under the current definitions however if future expansions include modules C and D then eTool default data would be preferred.

 

ModuleUKGBC Net Zero ConstructionUKGBC Net Zero OperationalUKGBC Net Zero Whole of Life (Yet to be Finalised)BREEAM 2018 (IMPACT)eTooLLCD
ConstructionA1-3 Product Stage 118698-32  118698-32 118698-32 118698-32
A4 Transport of Equipment and Materials 118698-32  118698-32 118698-32 118698-32
A5 Construction 118698-32  118698-32 118698-32 118698-32
Use StageB1 Products in Use 118698-32 (1) 118698-32 118698-32
B2 Maintenance  118698-32 (1) 118698-32
B3 Repair  118698-32 (1) 118698-32
B4 Replacement  118698-32 (1) 118698-32
B5 Refurbishment  118698-32 (1) 118698-32 (1) 118698-32
B6 Integrated Energy Use 118698-32  118698-32 118698-32 (1) 118698-32
B6+ Non-Integrated Energy Use (Plug Loads) 118698-32
B7 Water Use & Treatment  118698-32 (1) 118698-32 (1) 118698-32
End of LifeC1 Deconstruction & Demolition  118698-32 (1) 118698-32
C2 Transport of Waste Offsite  118698-32 (1) 118698-32
C3 Waste Processing  118698-32 (1) 118698-32
C4 Disposal  118698-32 (1) 118698-32 118698-32
Benefits and Load Beyond the System BoundaryD1 Operational Energy Exports  118698-32 (1) 118698-32 (1) 118698-32
D2 Closed Loop Recycling  118698-32 (1) 118698-32
D3 Open Loop Recycling  118698-32 (1) 118698-32
D4 Materials Energy Recovery  118698-32 (1) 118698-32
D5 Direct Re-use  118698-32 (1) 118698-32

Figure 2: Scope of Carbon Assessments

Below are the impacts in kgCO2e/m2 for a typical medium density office building. (Note B6 energy impacts assume today’s grid (0.25kgCO2e/kWh) applied over the 60 year life cycle. Note the RICS Whole Life Carbon for the Built Environment Professional Statement is provided as a reporting reference, this level of reporting is simple to pull from eToolLCD using our All Impacts Report

Results

Figure 3: Typical medium density low rise office building 

 

Impacts associated with construction represent a third of the total.  This is significantly higher now than in previous years when the UK grid was 0.6kgCO2e/kWh and usually made up 80-90% of life cycle impacts had that the grid has a lower.  However, there is still a large chunk impacts missing from the guidance in the form of replacement and maintenance (B2-B5) which can be 500-1000 kgCO2e/m2.

Once quantified the design team can start to consider strategies, some examples are shown below.  Without strategies, 1.755 tonnes/m2 of CO2e would need to be offset in a typical office. For net zero the cost of implementing these strategies will need to also be weighed up against the cost of purchasing offsets.

Strategies

Offsets come with varying degrees of quality, cast and “additionality” arguments. The offset schemes referenced by UKGBC (Gold standard and Clean Development mechanism) carry a cost of between £0.6/tonne and £14/tonne. In an average office this could result in up to an extra £24/m2 or 1-2% of construction costs. However, the Greater London Authority recommends a price of £60/tonne. It will be interesting to see whether this gives the industry further incentive to implement low carbon strategies (in particular timber) early on in the design process. Furthermore, the onus will be on us LCA practitioners to improve the accuracy of our LCAs with the total kgCO2e figures resulting in a significant increase to net-zero development costs.

 

eToolLCD’s Unique Template System

One of the defining features of eToolLCD is our unique template system.  Our ever growing library contains 1000’s of construction templates applicable to all kinds of building and infrastructure projects being built across the globe. The template approach ensures:

  • Repeatable results and consistancy
  • More consistent, accurate and comparable assessments
  • Geographically more relevant
  • Continual improvement in accuracy
  • A deeper understanding of construction make-ups and hotspots

Templates can contain high levels of detail, inputs and assumptions, work that is not only fully referenced and transparent but shared across the entire eTool community to utilise, adapt and improve on

You will almost always find a template that matches or is close to matching your specifications however, the templates are fully adaptible, users can clone and adjust templates to make the required updates.  These can then get added to the library for the rest of the eTool community to use so, every project gets completed in eToolLCD makes LCA quicker and easier for the next project!

Each template will include any number of materials, people and equipment entries with each individual entry having pre-selected LCA variables.

These are combined into complex whole make-ups such as the below, curtain walling insulated spandral panel:

Caurtain Walling

The user inputs the area of the panel in their project and the tempalte system autoamtically calculates the capping, mullions, transoms, fixing brackets, framing, glazing and insulation based on the proportions used to build the original tempalte.

So, users simply need to match their construction specification to the corresponding template and populate the approriate areas/quantities. This means that complex LCA models containing 100s of material entries can be built quickly from only a small number of basic inputs (floor area, wall area, roof area etc).

Hear what some of our users say about our template system.

“eToolLCDs prebuilt templates made it relatively easy to build up the baseline LCA model and then quickly compare different design options”

Ben Carr, AECOM

“The software works well, and the predefined templates that are selected to describe each building element align well to the architectural specifications.”

Anthony, ADW Developments

“The template approach to etooLCD software means that the initial process of formulating a baseline model is relatively quick, so time can be focussed on assessing options and recommendations.”

Peter, CHB Sustainability

For a detailed demonstration of our template system check out this video from our support pages.

 

 

Related Posts:
Creating Templates
Automated Reporting

eTool Quality System ISO 9001 Certified

eTool has always taken quality seriously, from our earliest beginnings we actively sought feedback on our product and services and have embedded continuous improvement into our DNA.  Earlier this year we decided to formalise our Quality Management by employing Compass Assurance Services to certify our systems against ISO 9001:2015. eTool founder and Co-CEO reflects on the process:

“Solving problems is what eTool do. We apply that philosophy everyday, be it helping to solve a problem as big as climate change, or shaving microseconds off eToolLCD response times.  Being able to have our quality management system formally recognised is rewarding.  Compass Assurance Services were really thorough, they went pretty deep.  Although we had things pretty dialled there was certainly some really valuable learnings from the process, we’re an even better business for it.” 

Richard Haynes

The 9001 certification adds to the extensive efforts and achievements of eTool in technical assurance with third party input.  Read more about our assurance milestones here.

eTool’s certificate can be downloaded here and the certification is registered with JAS-ANZ.

eToolLCD Automated Report Branding

eTools automated reporting allows users to quickly produce high-quality reports from their models without the need to adjust and edit in word.  Having produced many early LCA reports manually in the early days we understand the frustrations that arise from copying into spreadsheets, word reports, formatting, finding errors and re-working.  We highlighted this is a big drain on resources that would be much better spent improving the actual quality of the modelling, recommendations and engaging design feedback. You can read more and see examples of our growing suite of automated reports here.

We also understand that users have their own branding and like to put their stamp on reports issued to clients.  Our reports can be downloaded in either word, pdf or excel formats allowing users to make edits and format as they wish.

For Specialist subscribers users we have introduced branding of reports, from a users profile they can upload their logo.

company logo

 

The logo then feeds through to the title page and header of the reports run from the users’ models.

report example logo

 

Freeing up your time to focus on the really interesting parts of your LCA studies!!

 

Related Posts: Setting Up Your Profile, Automated Reporting

eToolLCD Timeline

eTool has risen from humble beginnings to become a global force in low carbon design.  This wouldn’t have been possible if we hadn’t taken the quality of our software seriously.  The timeline below captures just some of the eToolLCD achievements and milestones.

  • eTool Quality System ISO 9001 Certified

    eTool Quality System ISO 9001 Certified

    Following on from our initial ISO 9001 certification in 2019 eTool recently successfully pass the first year surveillance audit.  Compass Assurance Services found no major non-conformances and the audit report may be downloaded here. eTool’s 9001 certificate can be downloaded here and the certification is registered with JAS-ANZ.

  • eTool Quality System ISO 9001 Certified

    eTool Quality System ISO 9001 Certified

    eTool has always taken quality seriously, from our earliest beginnings we actively sought feedback on our product and services and have embedded continuous improvement into our DNA.  Earlier this year we decided to formalise our Quality Management by employing Compass Assurance Services to certify our systems against ISO 9001:2015. eTool founder and..Read More

  • PAS 2080 Audit – Eiffage Kier

    PAS 2080 Audit – Eiffage Kier

    As part of their ongoing quality management process, HS2 joint venture Effiage Kier (EK) contracted Lloyd’s  Register Quality Assurance (LRQA) to undertake a PAS2080 audit on their GHG reporting, processes, systems and tools.  PAS 2080 is an environmental protection standard for carbon management in infrastructure and includes requirements for effective governance..Read More

  • eToolLCD used for EPD Australasia Study

    eToolLCD used for EPD Australasia Study

    eToolCLD has been used by experienced Life Cycle Assessment practitioner Andrew Moore of Life Cycle Logic to complete a whole building Environmental Product Declaration.  The study was independently reviewed by Rob Rouwette of start2see Pty Ltd and was registered with EPD Australasia.  This is one the first whole building EPDs completed..Read More

  • eTool Engaged by HS2

    eTool Engaged by HS2

    After an extensive and comprehensive tender selection process eToolLCD was selected by HS2 to measure, reduce and report on carbon emissions, materials efficiency and wider embedded environmental impacts.  This demonstrated eToolLCD’s successful application to the infrastructure sector as well as the maturity of our software, security, commercial stability and quality assurance. HS2 is Europe’s..Read More

  • BRE Impact

    BRE and IMPACT Compliance

    BRE (UK) administer the Integrated Material Profile And Costing Tool (IMPACT) specification for building LCA tools which is understood to be the first software certification system by which eToolLCD could be formally externally assessed. The IMPACT compliance route was opened to developers in October 2013. In 2014 eTool signed a non-disclosure..Read More

  • EN15978 Alignment

    EN15978 Alignment

    eTool released a product roadmap in late 2012. One of the first large development projects for eTool LCA was alignment with international standards. This work was undertaken from August to November 2013. EN15978 alignment was achieved with our late 2013 release which also brought all remaining eToolLCD calculations into compliance..Read More

  • AusIndustry Grant and Third Party Review

    AusIndustry Grant and Third Party Review

    In 2012 AusIndustry awarded eTool with a grant to complete a full commercial proof of concept solution for global release. Under this project eTool completed a second independent “third party” review process. This time internationally regarded carbon accounting practitioner Ben Rose, from “Greenhouse Gas Calculator” was commissioned to undertake the..Read More

  • Australian Universities for Review eToolLCD

    Australian Universities for Review eToolLCD

    From an early stage of development we were acutely aware of the need to ensure our software was accurate, repeatable, transparent and audit-able. At the time our release there were no available certification processes for LCA software. We approached two universities in Western Australia with highly regarded schools focussing on..Read More

 

 

 

 

 

eToolLCD Certification Service

Background

Ever since the early days of eTool we highlighted one of the risks to widespread LCA adoption is the varying levels of quality in building LCA models and subsequent loss in confidence of the results and conclusions drawn.  To mitigate this we have ingrained a formal certification process provided inclusive within your subscription/project access fees.  During the certification process, a senior eTool LCA practitioner is made available to your project for the purposes of:

  • Assisting the LCA team with completing the study in compliance with relevant standards (we have now completed over 400 projects for BREEAM, LEED and Green Star so will ensure the model is completed to the correct requirements and no hold ups occur during the BREEAM/LEED/Gren Star verification).
  • Providing credit for “3rd party verification” under BREEAM 2018.
  • Reducing the risk to your clients and elevating the professionalism of your service by peer-reviewing your LCA study to ISO 14040 and ISO14044 standards.
  • Assisting the LCA team with challenging concepts or modelling requirements.
  • Improving the LCA teams efficiency in completing LCA/LCCs using eToolLCD.
  • Providing the LCA team with potential strategies that may be worth considering to reduce the impact of the design.

The certifier will be “suitably qualified” to undertake peer reviews having as a minimum:

  • Completed at least 3 paid for LCAs within the last 2 years
  • eToolLCD advanced training course
  • Experience or qualifications in interpreting construction documentation

The certification system ensures that consistent, high-quality LCA studies are produced from the eToolLCD software. This lends further credibility to your work when clients see the eTool brand on your reports.

The certification is provided for up to 6 designs within an eToolLCD Building or Infrastructure entity. These designs may be very early stage models, or later stage complete LCA/LCC models or a combination, typically:

  • Concept Design Stage Base Model
  • Concept Design Stage Improved Model(s) (including all options modelled for BREEAM)
  • Concept Design Stage Final Model
  • Technical Design Stage Base Model
  • Technical Design Stage Improved Model(s) (including all options modelled for BREEAM)
  • Technical Design Stage Final Model

eTool understand that good LCA/LCC modelling is an iterative process and will be on-hand from the outset to provide assistance and answer any questions surrounding the modelling and certification.

Certification

Process:
1. eToolLCD user submits initial model/s for review
2. eTool staff complete QA / QC Checks on eToolLCD model/s and provides feedback
3. eToolLCD user complete / update eToolLCD model/s
4. eToolLCD user submit final model/s for certification
5. eTool staff completes certification (and clones model to BRE account if required)

Inclusions:
– An independent review of the eToolLCD designs (6 or less) conducted by a competent LCA practitioner commenting where applicable against each project, structure and model quality checks. As a minimum, the following is reviewed:

– In addition to ISO14040 and ISO 14044 quality checks the certifier will also review the following for both baseline models and optioneering models, in line with BREEAM 2018 requirements

  • Material quantities are within +-10% of those shown in design documentation (both concept and technical design stage models)
  • Where default figures for product service life, transport distance and construction waste have been adapted from generic material default values, there is adequate justificationa dn references.
  • Adhesives are inlcuded if cover more than 20% of materials surface
  • Study period of 60 years

Deliverables:
– eToolLCD Certifier Review Statement documenting checks made, comments and user responses using the certification checklist. See example report here.

– Phone/email/weblink support throughout the process

For further information see eTool terms and conditions

Links between LCA and the Circular Economy

Circular Economy (CE) is a philosophy that has gained a good deal of momentum within sustainable construction recently.  We have seen the new draft London Plan requiring consideration of Circular Economy (as well as embodied carbon) on all major London developments.  eTool also recently contributed to the UKGBC guidance on Circular Economy (a copy can be viewed here) and there is a definite feeling of ground-shift within the industry which is exciting to see.

The key concept behind building circular is that waste is simply a design flaw and that if we can remove it entirely then we will see improvements to the environmental, cost and social performance of our projects.

A circular economy is a global economic model that decouples economic growth and development from the consumption of finite resources. It is restorative by design, and aims to keep products, components and materials at their highest utility and value, at all times (Ellen MacArthur Foundation)

Many aspects of circular principles currently have a qualitative focus.  A quantitative approach, however, can go hand-in-hand with this through LCA. By analysing the environmental and/or economic impacts of the potential circular strategies over the life cycle we can prioritise those that provide the greatest benefit.  There is a lot more that can be drawn from an LCA study than embodied carbon data.

LCA circle graphic

In eTool we measure full impacts over the building life cycle from cradle-cradle and have numerous other environmental indicators that help measure environmental performance beyond Embodied Carbon and life cycle GWP.  One group of indicators now measured in eTool LCAs has been developed by HS2 to help quantify circular principles, see materials efficiency metrics for further details.

Quantifying Benefits

There are numerous circular principles that may produce good environmental outcomes.

• Refurbishing/repurposing/recovering existing buildings or materials
• Specifying materials with high recycled content
• Designing for disassembly and end-of-life reuse
• Designing for longevity/adaptability/reusability where its appropriate.

However, without full life cycle quantification of the strategies under consideration, there is no way of knowing the relative benefits, which ones to prioritise and which ones produce perverse outcomes. For example, recycled aggregate trucked from 70km away actually has much higher impacts today than locally sourced virgin aggregate.

Recycled Aggregate

Global Warming Potential (kgCO2e) for product and transport stage (A1-A4)

Recycled metals, on the other hand, have relatively minor transport impacts (see figure below). eToolLCD contains a growing list of “Recommendation” strategies that users can apply to their LCA work.  We have a tagging system with a new “circular economy” tag for any that relate to refurbish/recycling/deconstruction/longevity.

Module D

Module D of EN15978 relates to “benefits and loads beyond the system boundary” and has particular relevance for circular strategies,

  • D1 – Operational Energy Exports
  • D2 – Closed Loop Recycling
  • D3 – Open Loop Recycling
  • D4 – Materials Energy recovery
  • D5 – Direct Re-use

Under Module D where materials will be recycled at the end of their life, a benefit credit is given in the LCA. For example, if a cladding system is designed for deconstruction the materials are more likely to be recycled at the end of life we will see an improved performance in the LCA from module D (product reuse).

Capture2

1 Tonne of Virgin aluminium shipped 1500km

Allocating recycling loads and benefits can get a little tricky when trying to avoid any double counting of impacts, more information on Module D can be found at this blog post.

Longevity and functional units

Buildings that can last for very long periods are clearly a better use of resources than buildings that get knocked down after 20 years.  The life expectancy of many low-density inner-city commercial buildings is unlikely to reach far beyond 20 years due to redevelopment pressure. However certain high-density megastructures (such as the Shard) will likely still be standing for 100 years or more.  Its going to be a long time before someone thinks they can replace the Shard with a building that will create more value from the real estate. To capture the relative benefits and savings of a buildings life expectancy it is important to apply an appropriate functional unit to the LCA. It is common in the industry to measure impacts in absolute terms over a 60 year period – kg CO2e/m2.  Applying a realistic life expectancy based on building location and density relative to its surroundings and presenting impacts in temporal terms – kg CO2e/m2/year the LCA will present a truer picture of the results.  This is particularly important when considering Circular Economy principles.  Materials going into a building that lasts twice as long before being demolished and sent to landfill will have half the life cycle impacts.

Circular Economy Philosophy

Whilst there are often clear quantifiable benefits of applying circular principles it is important that we do not lose sight of the bigger picture. It makes sense to rely purely on circular economy principles when trying to reduce finite resource exploitation, however, many building materials today actually have an abundance of supply – see our “Are we running out of materials blog post”. When we are trying to optimise for a different environmental problem, for example, Global Warming, purely focussing on the circular economy principles may not necessarily result in a net positive outcome (as shown above).

Circular economy represents one of the many “means” to the end goal of true environmental sustainability. We must be careful to quantify our strategies and avoid applying circularity simply for the sake of circularity which may sometimes be more detrimental to the planet than a linear strategy. We will need tools such as recycling and re-use to achieve a zero carbon future but material consumption is not in itself always a bad thing if done sustainably relative to the alternatives.

 

 

What will green buildings deliver in 50 years?

life cycle design

The construction industry is going through major changes under the Green flag. The greening of building stock and infrastructure becomes more than just an idea, but a strategical attribute in developing the future of the precincts and entire cities all over the world.

The net zero carbon target is ambitious and requires that all new buildings must be operational zero carbon by 2030, and all new and existing buildings must be net zero carbon by 2050.

Transition from building better to building sustainable.

Impact reduction target is a fundamental aspect of concept design and will assist the transition in sustainable construction. Designers and experts are used to discussing energy efficiency, or kWh/m2, but very rarely there is a carbon target (e.g. 100 kgCO2 per m2 of lettable area per year) set at an early project stage (A rough carbon budget for buildings was presented by eTool in a previous blog article).

We hear more often about passive design principles, energy-efficient equipment and storage, carbon-negative materials and a combination of onsite and offsite production of clean energy. Renewable energy generation is increasing at phenomenal speed and it’s transforming the whole economy,  reducing environmental impacts related to building’s operations and manufacturing of construction products.

At a district level, buildings are being thermally and electrically integrated with the community, and energy monitoring platform can track large groups of building performance, scaling up to whole district analysis. Targets climate funding is also helping retrofit existing buildings at municipal level and replicate success cases in other regions.

Different construction sectors define green design through different indicators.

Definition of the green design varies depending on specific needs but aims to accelerate the change towards a future in balance with the planet.

Tenants are motivated by the reduction of operational costs with energy and water bills, but it can also include aesthetics and being environmentally conscious, stating that “I care” or “I am different”.

Home owners would focus on the durability of materials, life of the entire property and low maintenance cost.

Developers would probably look on environmental aspects in combination to total cost and return on investment – called a “Green per Dollar” perspective.

Finally, the precincts and local governments might go with green construction by various reasons: to encourage innovation, long-term city planning including improvement of citizen’s well-being, quality of life and environment.

Life Cycle Design as a method to look inside the black box.

Green design and performance indicators need to be transparent and standardized to satisfy major motivations of groups and individuals. The best way to fully quantify the environmental impact is by looking at the whole of project life cycle performance and using Life Cycle Design (LCD) methodology to model impacts from construction through to the end of life, including use phase impacts. Most importantly, LCD can help to understand the project functionality, and how well it is delivering the proposed primary function. LCD looks at a building through the prism of many features, holistically and over the life time. This prism includes operational energy and water, durability of materials, maintenance and wide spectrum of environmental impacts. LCD approach is combined with Life Cycle Costing to help designers understand the “Green per Dollar” feasibility of improvement initiatives and how economically sustainable the overall design is throughout its lifespan.

Life cycle thinking to build better buildings today.

There´s a global trend in the construction industry to adopt life cycle thinking and we increasingly hear terms like circular economy, cradle-to-grave or even cradle-to-cradle, closed loop recycling or designing for deconstruction. The use of Life Cycle Assessment is increasing in a number of Green Building Rating Schemes (Green Star, LEED, BREEAM, HQE, LBC), and also is the newly available life cycle inventory data, user-friendly LCA software tools, Environmental Product Declarations.

The growth in regulations within the construction industry is also observed, with planning policies mandating environmental reduction targets and improving the general industry know how. Companies are using science based targets to measure efficiency of their climate action plans and understanding how they are related to the UN´s Sustainable Development Goals (SDGs).

To meet changing requirements related to a sustainable future within the construction industry, systems and tools need to be widely used from concept stage on throughout the design development process. This will allow project teams to set ambitious environmental targets and therefore implement the life cycle approach to deliver the buildings of the future already today.

 

 

References:

UN environment – The Global Status Report 2017 – Towards a zero-emission, efficient, and resilient buildings and construction sector

World Resources Institute – What Is the Future of Green Building?

 

Want to learn more about eToolLCD and LCA?  Please register for our next webinar event

We hope this article was useful, stay in touch!

 

eTool To Provide Life Cycle Assessment software to HS2

eTool have been engaged by HS2 to provide our market leading life cycle design software eToolLCD.

HS2 is Europe’s largest infrastructure project, designed to increase capacity on the UK’s railways and improve connectivity between eight out of 10 of Britain’s biggest cities, creating thousands of jobs and rebalancing our economy. It will run between London and Birmingham from 2026, extend to Crewe by 2027 and then link to Manchester and Leeds from 2033 with HS2 trains continuing to cities including Newcastle, Edinburgh and Glasgow.

In order to measure, reduce and report on carbon emissions, materials efficiency and wider embedded environmental impacts, HS2 have adopted a life cycle assessment (LCA) approach. This modelling will include impact analysis across all life cycle stages from the extraction of raw materials through to processing, transport, use and disposal.  Using eToolLCD, the modelling will be conducted in accordance with applicable standards including BS EN ISO 14040, BS EN ISO 14044, BS EN 159783 and PAS 2080. The LCA modelling results will also be used to demonstrate achievement of credits within BREEAM Infrastructure.

eToolLCD was awarded its contract with HS2 after a thorough tendering process.  eTool also look forward to developing the eToolLCD further to complement HS2’s bespoke requirements, such as evaluating their innovative materials efficiency metric.

The tool will initially be used to develop baseline, against which design options can be assessed.  As the design progresses, HS2 subcontractors will take on LCA modelling tasks to further develop the models and identify further opportunities for improving the life cycle performance.  Through using eToolLCD’s unique enterprise functionality, multiple users can review and collaborate effectively on large complex LCA models, a feature that will enable this sequential and collaborative assessment.