This white paper discusses strategies for designing, procuring, and operating complex facilities to achieve low carbon environments. It outlines challenges such as buildings failing to meet energy performance targets due to gaps in integrating design, procurement, and operation processes. The paper proposes developing an integrated decision support process to manage these critical phases and ensure low carbon performance is achieved.
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Driving Performance and Transparency in Green Building Products and Materials...Sustainable Brands
is UL white paper provides an overview of the various ways in which building product manufacturers can demonstrate compliance with green building certification programs and codes, such as LEED, International Green Construction Code (IgCC), California’s Green Building Standards Code, Green Globes, and the Living Building Challenge. The paper also discusses the various tools intended to aid in the evaluation and selection of environmentally preferable products, such as environmental product certifications, Lifecycle Assessments (LCAs) and Environmental Product Declarations (EPDs), as well as the specific functions of each. The white paper concludes with some thoughts about the value of both performance and transparency metrics in achieving environmental leadership.
Retrocommissioning (RCx) Services to Optimize Building PerformanceMcKenney's Inc
RCx is a cost-effective approach to improve system performance in buildings facing problems that stem from performance degredation or design and construction issues. For more info visit http://mckenneys.com.
NZ Government End User Computing Reference ArchitectureDoug Newdick
GEA-NZ Viewpoint: COE Reference Architecture describes the architectural building blocks to help agencies enable their future end user computing environment. In particular, an environment that meets the needs of their staff and assists them to deliver services to citizens and other stakeholders while investing taxpayers‟ money wisely. It describes a superset of capabilities for hardware devices and software environments intended to be operated by business users in government agencies.
Large, complex engineering and construction programs may be found in all industry sectors ranging from extractive industries such as oil, gas and mining through infrastructure programs for transportation, water and power. Common to all of these programs is the potential they have to positively or negatively influence financial, social and environmental performance of both the implementing organization as well as the communities and stakeholders they touch.
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• Calgary, Canada on 10 November, 2011; and
• Washington, D.C. on 19 January, 2012.
The first roadshow focused on sharing project experiences and knowledge from the projects in North America but also brought in projects from Europe (Don valley) and Australia (Callide) so that regionally diverse experiences could be shared amongst a global audience.
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www.torkusa.com
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Large, complex engineering and construction programs may be found in all industry sectors ranging from extractive industries such as oil, gas and mining through infrastructure programs for transportation, water and power. Common to all of these programs is the potential they have to positively or negatively influence financial, social and environmental performance of both the implementing organization as well as the communities and stakeholders they touch.
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• Austin, Texas on November 8, 2011;
• Calgary, Canada on 10 November, 2011; and
• Washington, D.C. on 19 January, 2012.
The first roadshow focused on sharing project experiences and knowledge from the projects in North America but also brought in projects from Europe (Don valley) and Australia (Callide) so that regionally diverse experiences could be shared amongst a global audience.
Attendance at the event was around 30 to 35 which allowed open and frank discussions around technical, management, and regulatory issues and how these challenges can impact on a project’s advancement and decision making processes.
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The definition of a “green” building is often in the eye of the beholder. Rating or certifying a green building helps to remove that subjectivity. Rating a green building informs tenants and the public about the environmental benefits of a property, and discloses the additional innovation and effort the owner has invested to achieve a high performance building.
Green construction or sustainable building refers to both a structure and the application of processes that are environmentally responsible and resource-efficient throughout a building's life-cycle: from planning to design, construction, operation, maintenance, renovation, and demolition.
Green building, or sustainable design, is the practice of increasing the efficiency with which buildings and their sites use energy, water, and materials, and of reducing impacts on human health and the environment for the entire lifecycle of a building. Green-building concepts extend beyond the walls of buildings and include site planning, community and land-use planning issues as well.
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www.torkusa.com
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• Austin, Texas on November 8, 2011;
• Calgary, Canada on 10 November, 2011; and
• Washington, D.C. on 19 January, 2012.
The first roadshow focused on sharing project experiences and knowledge from the projects in North America but also brought in projects from Europe (Don valley) and Australia (Callide) so that regionally diverse experiences could be shared amongst a global audience.
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Driving down Energy Consumption within Complex Facilities - Professor Matthew Bacon
1. White Paper
Strategies for design, procurement and
operation of complex facilities to achieve
a low carbon environment.
Professor M.C Bacon RIBA FRSA
The Conclude Consultancy
The intellectual property rights in this entire document are protected by international copyright. The contents may not be shared,
published or re-distributed either in part or whole without the express prior written consent of the author.
The Conclude Consultancy Limited 2010. All rights reserved
2. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
Executive Summary
Achieving carbon reduction in the large scale built environment presents a unique
set of challenges to all parties within the project team. The complex nature of the
overall design process and shortages of quality information to inform decisions,
coupled with competing objectives to control cost inevitably can compromise the
carbon performance capability of the final product.
Even if the project team succeed in achieving a design capable of achieving energy
performance targets, there is no guarantee that once in operation the building will
consistently meet them. This is the fundamental challenge: how to optimise the
design and operation of the facility to achieve the low carbon performance that is
aspired to.
Until now an integrated process hasn’t existed which enables a cohesive approach
to e ectively manage the end to end phases of design, procurement and operation –
the critical steps to success.
The Conclude Consultancy Limited have developed such an integrated decision
support process to enable an e ective carbon reduction in the built environment.
Background
The agenda for low carbon performance is e ectively enshrined within the Climate
Change Act 2009. The Act requires a 34% reduction in carbon emissions by 2020.
However by 2050 the Government intends to reduce carbon emissions by 80%
compared to the 1990 baseline.
Challenges
In reflecting on these challenges, the Royal Academy of Engineers report, published
in August 2010 titled: Engineering a low carbon environment, describes the
challenges:
“The need for a radical overhaul in education and practice in the construction
industry is urgent and undeniable. The changes necessary to achieve
sustainable development in our built environment will be far reaching into areas
of policy, finance, procurement practice and management.
However, unless we equip the industry with the fundamental skills that will
allow it to design, model and construct genuinely e cient buildings, then the
transition to a low carbon economy simply will not happen.”
Until now, the main focus of the construction industry has been towards
optimisation of asset specifications – essentially ensuring widespread use of new
materials and technologies. Despite these best e orts, buildings consistently fail to
achieve the design team’s performance aspirations.
Why is this? What happens during the design, procurement and operational
processes that causes such a divergence between the aspiration and actuality of
performance?
This paper sets out to articulate some of the key challenges, and the strategies
required to close this gap, and so deliver facilities that set new standards of carbon
performance.
www.conclude.org.uk
3. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
In 2007 the UK’s National Audit O ce (NAO) concluded:
“The government has set sustainability standards for the construction and
refurbishment of buildings on the government estate, but these are not being
met. Departments are failing to carry out environmental assessments and
achieve the target ratings. In the sample of projects we examined, 80 per cent
would not have attained the required standards.”
CABE, the Government’s advisor on architecture, urban design and public space,
also asserts that energy certificates show that a building’s energy performance rarely
matches the design aspirations. They conclude that post-occupancy monitoring and
feedback is essential to understand how to improve this.
The NAO propose the following to address these challenges for the government
estate which would be equally appropriate for other projects:
Define the level of performance required on the government estate, and
revise and promote the sustainability requirements in the Common Minimum
Standards
Develop outcome-based performance targets for individual buildings (for
example in terms of energy and water use) which departments can include in
specifications for construction and refurbishment projects
Monitor and report on progress, including monitoring compliance at the project
level, to help understand and hold departments to account for performance
In previous years the barriers to achieving a post-occupancy monitoring process
have been perceived as largely insurmountable. However, with the need to achieve
an aggressive carbon reduction strategy these barriers assume less significance. Far
from being a “nice to have”, Post-Occupancy Monitoring, what we prefer to refer to
as “In-Use Management”, is now deemed essential.
The recent report: Engineering a Low Carbon Built Environment – previously referred
to, notes that a key issue that needs to be addressed is the design process:
“Construction clients are increasingly specifying performance standards for
buildings, such as a target energy performance rating, a specific rating under
the Building Research Establishment Environmental Assessment Method
(BREEAM) or other international standard such as Leadership in Energy
and Environmental Design (LEED). However, the industry lacks su cient
information, guidance and mechanisms to design and construct buildings to
achieve such targets.
Consequently new ways of informing the client and the design team are required
www.conclude.org.uk
4. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
in order that optimal design decisions can be made in driving towards low carbon
performance.
The report: Low Carbon Construction – Emerging Findings. HM Government –
Innovation and Growth Team published in March 2010 identifies principal barriers to
progress towards Low Carbon design as
“The evidential gap between the design criteria of buildings in use and their
performance on completion, and the invisibility of energy consumption.”
“A continuing preoccupation, on the part of many public and private clients
with initial capital cost instead of appraising projects on a whole-life basis.”
Conclusion
To succeed in achieving the objective requires an entirely new strategic approach to
the decision-making processes governing the entire building life cycle from design,
through procurement to the final operation of buildings.
The Conclude Consultancy, headed by Professor Matthew Bacon, has succeeded
in defining a methodology and process to manage risk and achieve success. This
is particularly relevant in complex buildings where the quality of highly critical
interrelated decisions can quickly become jeopardised by an overwhelming level of
complexity.
“The vision necessary to achieve clarity of decision making required in
this complex field cannot be underestimated. This innovative strategy not
only articulates a fundamental change to the way in which we should be
engineering a low carbon environment, but most importantly it also sets out
a means for achieving a pan-industry strategy. Professor Bacon’s thought
leadership will enable the whole industry to learn from the e orts of others.”
Hywel Davies, Technical Director CIBSE
www.conclude.org.uk
5. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
The Conclude Process: Three Steps to Success
Design
Operate Procure
The Conclude Consultancy believes that to achieve challenging energy reduction
targets (and by extension: low carbon targets) all discrepancies between the
designed and actual performance have to be eliminated from the conventional
design process. As a result our umbrella process informs three essential
components of the project lifecycle.
A radical new approach to facility briefing, leading to much improved design
briefing decisions, where In-Use operational requirements are embedded in a
new form of facility brief.
Integrated procurement strategy for the final specification, manufacture
and delivery of the facility. A holistic life cycle costing and a value model
informs decisions focused on carbon emission performance and not simply
construction cost.
Implementation of an “In-Use Strategy”, where a new vision for monitoring
and controls enables optimisation of carbon emission performance across the
whole facility.
www.conclude.org.uk
6. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
A doctoral thesis (Hopfe, 2009)1 studied these challenges and identified the
following need:
Decisions are often suboptimal because not all consequences are studied.
The reasons can be insu cient knowledge of the consequences but also
insu cient knowledge of the use of the object. This has a large consequence
over time as the variations due to di erent building occupants; climate change,
etc. are significant.
As a consequence we face uncertainty in climate, occupant behavior,
building operation, increasing the complexity of the necessary tools and
methods to support design decisions. It is therefore necessary to constantly
face this complexity and improve our ability to predict the impact of
changes, the consequences (e.g. risk) that may result. In doing so, the level
of quality assurance of simulation results need to be increased.
In facing this complexity the briefing process should aim to establish the objectives
to be achieved as well as the means for achieving those objectives, not just within
the design process, but within the In-use phase of the facility operation too.
In other words if there is explicit coordination between design and operation, then
the risks of poor derived performance should be substantially reduced.
Step 1: Informed Design Decisions
The requirement to achieve today’s complex objectives starts with embracing a
fundamental change to how the entire design briefing process is both informed and
orchestrated.
Realistic Energy Performance Certificate (EPC) Targets
Unlike conventional building design considerations, the project team will become
highly accountable for energy performance targets they set during the design
process. Unlike other criteria, these targets will undoubtedly be referenced and
measured against during the entire life-cycle of the building so it is essential the
targets are held central to the design and construction strategy.
Not only does the quality of the design
decisions made to achieve the energy
performance target become highly EPC
transparent, but it is absolutely essential Targets
that the targets themselves are SMART
(Specific, Measurable, Achievable,
Repeatable and attainable within
agreed Time constraints)
The Conclude Consultancy’s Integrated
Enhanced
Decision Support Process successfully Brief
integrates Carbon Targets throughout
the entire brief.
Function Data
1
Thesis entitled: ‘Uncertainty and sensitivity analysis in building performance simulation
for decision support and design optimisation’
www.conclude.org.uk
7. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
Performance Data
Until now design teams have pointed to an absence of specific Post Occupancy
Monitoring (“In-Use”) data from peer building performance and as a result there
is considerable risk of substantial assumptions being made throughout the design
process.
Scandinavia has a highly established track record in collecting In-Use data. The
Conclude Consultancy has exclusive access to this specific reference data which
successfully bridges this gap and permits “granular” performance benchmarking for
major peer groups, such as hospitals, o ces, and manufacturing facilities.
The Conclude Consultancy believes that the UK will significantly benefit from
gathering its own local “In-Use” data, and the consultancy is currently formalising a
major initiative to achieve this goal.
Function Analysis
The Conclude Consultancy has developed what it refers to as an “Integrated
Decision Support” process which integrates the changes required into the project
team’s design, procurement and operational process.
Design objectives now need to take into account a far wider range of factors than
previously considered which requires specific understanding of the building’s
functions and occupancy patterns. In the conventional process, design teams are
obliged to make significant assumptions concerning the anticipated functioning of
the facility. These assumptions lead to a basis of design that is often fundamentally
flawed, an observation endorsed by the recent RAE Report previously referred to.
In responding to these challenges, The Conclude Consultancy has developed a
new science called: “Occupancy Analytics”; built on proven studies in simulation
technology. This innovative solution removes the myriad of assumptions and guess
work from design processes which is highly relevant to all design teams wishing
to take the step forward. The resultant “enhanced brief” is informed by data from
the Occupancy Analytics that has been passed through Conclude’s proprietary
mathematical model.
Significant value is created by this approach, because the new science clearly
demonstrates that significant reductions in both CAPEX and OPEX are possible.
This is counter to conventional wisdom that suggests that increases in CAPEX
are required to enable savings in OPEX. This is a false assertion and clearly
demonstrates why a fundamental change in the design process is required.
Most significantly, the raw Occupancy Analytics data will be further used to inform
a major research project resulting in the development of new design codes and
standards for industry wide adoption.
www.conclude.org.uk
8. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
Step 2: Integrated Procurement Strategy
The high risk of procurement decisions leading to significant di erences between
the “design intent” and the “built reality” cannot be under-estimated. Management
of an integrated procurement strategy is central to the building achieving the
specified energy performance targets.
Cost accounting will always remain present in the procurement strategy but it
is essential that the optimisation of lifetime Opex is not compromised by blunt
objectives to reduce short term Capex. Gaining insight of the short term cause and
long term e ect between these conflicting drivers is essential.
To achieve e ective procurement, project teams now need the support of a
sophisticated control loop to ensure that the benefits of “value engineering” can be
realised in the context of reducing long term energy costs.
The Conclude Consultancy’s unique approach ensures the procurement strategy is
integrated for complete transparency throughout the decision making process.
The result is that all key procurement decisions are informed by the impact
each could have on the out-turn performance of the facility. It is here that The
Conclude Consultancy’s sophisticated decision support technology adds unique
transparency, e ectively cutting through the complexity that usually undermines
the true objective.
Specification
Procure
Capex Opex
www.conclude.org.uk
9. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
Step 3: Implementation of Building Operation
Standards
The conventional process to a hand-over between the delivered facility and the
In-Use phase is through what are often referred to as “Operation and Maintenance
Manuals”, a process once described by CIBSE as “The Great Divide”.
Today’s sophisticated building systems are so specialised that highly complex
commissioning configurations are the order of the day; the conventional O+M
manual is wholly inadequate for the purpose of the on-going performance
optimisation.
The Conclude Consultancy has confronted these challenges and in response has
developed a radical new approach to facility management. Firstly, even the term
“facility management” fails to adequately describe the level of new resources
required. A new breed of specialists are needed which Conclude describe as
“Facility Engineers” who are supported by an “integrated decision support system”
that makes a truly optimised facility performance a reality.
The decision support system is founded in an integrated approach between
simulation technologies, building automation systems and a whole new way of
thinking about monitoring and controls. The Conclude Consultancy sustains the
argument that in the absence of a holistic approach which considers a whole
facility and a whole systems philosophy, the achievement of a carbon reduction
strategy is simply unachievable.
Furthermore the operations team needs empowerment. For example, the data
referenced during the design phase should clearly marry with the metrics used to
control and operate the building.
The energy monitoring and control systems not only have to be fully integrated
to provide real-time holistic management of energy consumption, but ideally all
data from business systems should also be integrated. For example the clinical
information systems used in hospitals provide a rich source of data that can be
used to simulate facility functions, which in turn enable the building systems to be
optimised.
Design
Operate
Train Control
www.conclude.org.uk
10. Strategies for design, procurement and operation of complex facilities to achieve a low carbon environment
Therefore: Conclude has the answer to complex
decision making
This white paper is intended to provide an overview of the principle components
used to inform your critical decision making processes. Behind these resides a fully
integrated decision model which we tailor to your exact requirements
Our detailed methodology includes a number of work streams for the principal
project groups. The Conclude Consultancy provides detailed project management
enabling your team to harness the full benefit of the process throughout the entire
project lifecycle.
If you would like to learn how The Conclude Consultancy can assist your next
project please contact us for an exploratory meeting.
The Conclude Consultancy
Founded by Professor Matthew Bacon FRSA RIBA in 2010, Conclude has been
appointed to manage leading substantial sustainability projects within the UK NHS.
Within these his methodology has been thoroughly tested and proven.
The organisation draws on a wealth of experience from across Europe and
the United States to form a team who have shaped best industry practice and
government policy.
www.conclude.org.uk