Issuu

Buildings

VOLUME 1 / ISSUE 3

ENG

ineering

Engineered timbers and fires: What you need to know

EDUCATION Feature

he 3 P's of school design: T People, Pedagogy & Place

Visualising

Tomorrows World

Curtin University, Curtin Connect

The official journal supplement for CIBSE Australia and New Zealand region

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Contents 5

ANZ

Committee

Editorial

News

Splash

People 10 Designing workplaces for the future 14 Saving the world: Every pipe helps 17 How sustainability is improving the operation of infrastructure

22 Mental health in the workplace

Opinion 27 As an Engineer, do you have to be good at business development to be able to promote yourself and your company? We donâ€™t think so!

Education 34 The 3 P's of school design: People, Pedagogy & Place 36

What is informal learning

40 Engineered timbers and fires: What you need to know 43

Melbourneâ€™s new innovation precinct

Innovation 48 Clients leading the digital push 52 Visualising tomorrows world 54

Electronic access control systems

59 The cool approach to thermal metering

EDITORIAL Editor & ANZ Chair: Paul Angus Tel: 0488 210 447 Email: pangus@cibse.org.au Business Development Manager: Sharon Pestonji Tel: 0435 979 400 Email: spestonji@cibse.org.au CIBSE ANZ ONLINE Website: www.cibse.org.au https://twitter.com/cibseanz https://www.facebook.com/CIBSEANZ https://www.linkedin.com/in/cibse-anz https://www.instagram.com/cibse_anz

CIBSE ANZ Committee

Chartered Institution of Building Services Engineers Australia and New Zealand Region Tusculum PO Box 671, Gladesville, NSW 2111, Australia Engineering Buildings is the official magazine for the CIBSE ANZ region for engineers, written by engineers.

ADBOURNE PUBLISHING 18/69 Acacia Road Ferntree Gully, VIC 3156 PO Box 735, Belgrave, VIC 3160 www.adbourne.com

Mathew Klintfält

Lindy Stephens

Paul Angus

Honorary Treasurer mklintfält@cibse.org.au

Honorary Secretary lstephens@cibse.org.au

CIBSE ANZ Chair pangus@cibse.org.au

Stephen Hennessy Membership shennessy@cibse.org.au

Sharon Pestonji BDM spestonji@cibse.org.au

Phil Senn NSW Chair psenn@cibse.org.au

ADVERTISING Melbourne: Neil Muir T: (03) 9758 1433 F: (03) 9758 1432 E: neil@adbourne.com Adelaide: Robert Spowart T: 0488 390 039 E: robert@adbourne.com PRODUCTION Emily Wallis T: (03) 9758 1436 E: production@adbourne.com

Stephen Mairs

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ADMINISTRATION Tarnia Hiosan T: (03) 9758 1436 E: admin@adbourne.com SUBSCRIPTIONS Enquiries: (03) 9758 1436 Fax: (03) 9758 1432 Email: admin@adbourne.com Adbourne Publishing cannot ensure that the advertisers appearing in Engineering Builders comply absolutely with the Trades Practices Act and other consumer legislation. The responsibility is therefore on the person, company or advertising agency submitting the advertisement(s) for publication. Adbourne Publishing reserves the right to refuse any advertisement without stating the reason. No responsibility is accepted for incorrect information contained in advertisements or editorial. The editor reserves the right to edit, abridge or otherwise alter articles for publication. All original material produced in this magazine remains the property of CIBSE and cannot be reproduced without authority.. The views of the contributors and all submitted editorial are the author’s views and are not necessarily those of the publisher. The opinions expressed in editorial material do not necessarily represent the views of the Chartered Institution of Building Services Engineers (CIBSE). Unless specifically stated, goods or services mentioned in editorial or advertisements are not formally endorsed by CIBSE, which does not guarantee or endorse or accept any liability for any goods and/or services featured in this publication.

Lindy Stephens

Sian Willmott

VIC Chair lstephens@cibse.org.au

YEN Chair swillmott@cibse.org.au

Stefano Ciciani CHCH Chair sciciani@cibse.org.au

Currently Vacant WELL Chair

David Robinson SA Chair drobinson@cibse.org.au

Mark Crawford Auckland Chair mcrawford@cibse.org.au

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Editorial A

s I'm writing this, I'm attending the Tertiary Education Management Conference, attended by over 800 delegates over the next three days. Education is a world of opportunity and all about life long learning. The amount of research and work being presented by education facilities, architectural practises, manufacturers and consultants is phenomenal and only emphasises the importance, each and every one us plays in moulding the future engineers of tomorrow. Our main theme for this issue of Engineering Buildings revolves around Education. We are fortunate enough to feature two leading Architectural practises in this issue, exploring the current learning spaces. It's fantastic to learn how these inspiring spaces are performing in regards to their flexibility, health and well-being. We also feature a great fire engineering article, analysing the effects of timber in our educational facilities. Embracing new technologies is critical for the future of our buildings and engineering. We feature a number of excellent articles in this space. Designing workplaces of the future covers a number of key issues that encourages all stakeholders and disciplines to be engaged at the early stages of a project to promote health and well-being. Mental Health in the workplace is an important issue that everyone should full consider regardless of your position, where you are in your career or your age. Although a tough topic, this should never be ignored. It can impact you, your colleague, a co-worker on a project, at any time and is important to recognise the signs. Help is all around us and this article discusses various programmes and training available. Digital Transformation is a critical building block for the future of the construction industry. Two fantastic examples ones presented on, is how effective Digital

Engineering worked for Transport for New South Wales in recent rail projects. The importance of a sustainable framework in infrastructure is discussed in one fantastic article. The performance rating evaluating planning, design, construction and operation of all infrastructure assets is the first scheme in the world providing a pathway to continuous development. As a user, owner, designer or stakeholder, the integration of new technological advancements is vital. In another inspiring article, we examine how virtual reality is changing the way our projects are designed, built and maintained. Building security is of upmost importance and should never be the building or facilities weakest link. In his article, Dan Raisins provides further insights in to protecting the key aspects of people, information and property. Enjoy the publication at your leisure and please get in touch with any feedback, suggestions or if you are interested in contributing towards future editions. PAUL ANGUS, EDITOR & CIBSE ANZ CHAIR pangus@cibse.org.au

NEWS SPLASH

Learn More>

Investing in the next generation

Standards Australia has re-branded the program formerly known as Young Leaders to be NEXTgen. Participants will experience the national and international standards development processes and understand what it is like being involved on a Technical Committee of Standards Australia with their industry peers. The NEXTgen programâ€™s ambition is to future proof the development of Australian Standards by creating a robust succession plan for committee contributors.

Climate Bonds Initiative

A report from the Climate Bonds Initiative has highlighted green infrastructure investment opportunities in Australia and New Zealand, finding that both nations have the potential to be regional leaders in green infrastructure delivery. Green Infrastructure Investment Australia & New Zealand ranks Australia as the 2nd largest source of green bond insurance in the Asia Pacific Region in the first half of 2018, with China the largest. It identifies low-carbon residential and low-carbon commercial buildings as attractive investments for the private-sector, with established green building certification programs, such as Green- Star and the ISCA Infrastructure Sustainability Rating Scheme, providing investors with an independent verification of performance.

DESIGNING WORKPLACES FOR THE FUTURE Wayne Bretherton Director of Property & Buildings in Australia, WSP

s we look to the future, it’s time to embrace new ways of working and foster a workplace where building occupants can thrive.

1. How do we prepare for a generational shift and rise of millennials in the workforce? It’s well known that people are the most valuable resource in any workplace. Therefore, a human-centric design which is experiential, needs to be achieved in the built environment. A recent study by EY found that approximately 75 per cent of the global workforce will be comprised of millennials by 2025 and workplaces will need to respond to evolving user behaviours.

Millennials aren’t just looking for a high salary. They are also considering the whole experience of how they work.

And, with technology making us more connected than ever before, they are seeking flexibility in their workplace. This isn’t a one-size fits all solution. By understanding how people are interacting with workspaces; we can design environments that fit users in the best way possible and enable them to feel more engaged and productive. Some of the design elements which can impact the physical work environment include comfort (air quality, temperature) as well as lighting and acoustics. On a broader scale, the design should consider how the layout of the space can support flexibility and foster health and wellbeing.

2. What is one of the biggest factors for responding to the new ways of how people work?

We now understand that employees thrive in workplaces that are conducive to the skillsets and activities they are

The workplace needs to be an enabler for these tasks. Adopting a floor plate design focused on Activity-Based Working (ABW), can provide flexible areas for staff to focus, collaborate, socialise and be inspired. Whatever this looks like conceptually, the goal is to empower staff, by allowing them to work in a manner that suits them. One key factor here is frictionless technology; IT infrastructure which has been designed to promote mobility and connectivity. Looking ahead, this underpins a flexible and agile workplace.

3. What are the main drivers for supporting health and wellbeing in a workplace?

A healthy work environment has been proven to directly influence the health and wellbeing of staff. It can reduce productivity and sick days by empowering staff and keeping them engaged. One of the biggest progressions in this space is the introduction of the WELL Building Standard. Earlier this year, Medibank’s headquarters in Melbourne was the first (existing) building in Australia to achieve the WELL Gold Shell & Core certification. In doing so, the company’s aspiration of creating a healthy experience for staff in the workplace was realised. The project also demonstrated how early engagement with all stakeholders is key to enabling this outcome, with sustainable initiatives being hardwired into the design, and providing a workplace where health and wellbeing are paramount. Several design innovations have promoted physical activity for staff, while the design also provides a strong connection to nature. Biophilia is a prominent feature with the building boasting 2,300 plants inside and 520 planter boxes on the façade.

4. How can a workplace design combat digital disruption? In preparing for digital disruption, designing the workplaces for the future comes back to the notion of interoperable technology, and it being the key to human centricity.

As we prepare for the Fourth Industrial Revolution and the digitisation of work, where Internet of Things (IoT), Artificial Intelligence (AI), Augmented Reality (AR), and Virual Reality (VR) are becoming increasingly important, we need to harness new ways of working and ensure technology provides the mobility and accessibility we need to achieve a flexible work environment.

Considering the plethora of new technologies at play and their impacts on the way we work, we can no longer implement these as add-ons. They need to be incorporated into the design brief to further develop the workplace experience and address physical, emotional, mental and spiritual human needs. Similarly, we should be implementing intelligent building management systems today and begin capturing the data around how occupants are utilising the workplace, to provide information which can influence the designs of tomorrow.

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undertaking. As more tasks become automated we are seeing the rise of knowledge workers, employees whose primary contribution to the workplace is characterised by creativity, problem-solving and critical-thinking.

5. What should be the key takeaway for enabling a workplace to thrive?

Early engagement and a holistic approach provides an opportunity for designing sustainable workplaces based around adaptability, agility and human needs. This allows the creation of work environments that accentuate social interaction, collaboration and productivity, while maintaining sustainability. By having all stakeholders and disciplines engaged at the beginning of a project, we can hardwire human-centricity into design to promote health and wellbeing. Interoperable technologies play a key role in supporting this by enabling the mobility and connectivity required for an agile workplace. Ultimately, this opportunity gateway allows for the forward-planning of the integral aspects of workplace design, such as internal services, lighting, fire engineering, technology, which can be driven by scalability and flexibility, to respond to the evolving requirements of workers.

About the Author Wayne Bretherton is an internationally recognised, consulting engineering executive and WSP’s Director of Property and Buildings in Australia.

A chartered engineer with more than 30 years’ experience, Wayne is passionate about helping societies thrive by providing future-ready solutions for sustainable and resilient buildings.

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Saving the World Every Pipe Helps

The sizing of potable water supply systems is a common task for hydraulic engineers; however, despite it being common knowledge within the industry that pipes are generally oversized, it would be detrimental personally and commercially to venture from the Australian Standards. The Association of Hydraulic Services Consultants Australia (AHSCA) NSW inc. is looking to undertake real life testing to improve the industry and enable economical designs through correctly sized pipes and pumps. What is the reason behind the AHSCA (NSW) sub-committee?

he sub-committee has been formed on the back of a growing knowledge within the industry that potable water supply pipes are oversized and based on conservative, outdated methods. The loading unit method currently referenced in AS3500.1 is extended from information gathered within the 1940s; this is an era when fixtures used 50% more water and the average time spent doing laundry was six hours per week. Unfortunately, for industry professionals, venturing from the standards is an unpropitious risk both personally and commercially.

Who is currently on the team?

The sub-committee consists of several industry experts from various backgrounds, including manufactures, supply authorities and building service engineering firms. Currently represented along with hydraulic services consultants are NSW Fair Trading, Enware, Itron, All Valve, and Rheem. Also offering resources are Sydney Water and the

AHSCA NSW are in discussions with other industry experts.

What will be the benefits of the investigation?

The current practice of routinely oversizing potable water supply pipes disregards sustainable development, compromises public health, and misuses valuable space. Aside from the embodied energy associated with unnecessarily larger pipes, the larger pipes have increased heat loss which consequently leads to ongoing energy costs over the design life of the system. Also, a rare peak flow rate which meets the most efficient point of the selected pump curve effectively means that the pumps will not be operating efficiently. The risk to public health comes from low velocities through the system; low velocities encourage the growth of bacteria and allow biofilms to form on the pipework.

What are the desired results of the investigation?

The overall outcome is to update the Australian Standards to cover multiple sectors rather than just residential. This would enable moving away from performance solutions when designing buildings such as hospitals which are currently not covered under AS3500.1. We would also be looking for the conversion to peak demand to come from a full flow calculation rather than loading unit calculation. This futureproofs the conversion against unforeseeable industry changes which are certain over time e.g. changes to tapware flow rates, increased use of vacuum toilets, new technologies. This would look similar to figure 1 below:

Finally, there can significant space savings within risers, ceiling space, and plant rooms. This potential lettable area will be valuable for architects, building operators, developers, and other services. Figure 1: Peak demand v full flow

What is the strategy to achieve the results?

Initially the testing is likely to be undertaken in Sydney with a focus on residential. It is proposed to split a large building up to treat it as multiple various sized buildings and continuous flows such as cooling towers will be separated. Over time it is proposed to cover various sectors ranging from stadiums to shopping centres. It is also deemed required to assess a range of geographical areas, assessing and comparing the effect of the climate i.e. how does the incoming water temperature and duration of shower affect peak flows between Hobart and Cairns. The amount of buildings tested per each sector will depend upon the variance observed between similar sized buildings. Ideally, after say five similar sized buildings within the same sector, there will be strong enough correlation to be confident that we have true and correct data. If not, the process will need to continue until correlation is evident. The occupancy levels in the buildings will need to be known and the peak demand will relate to that occupancy level. For example, the results of a 100 bed residential building with 80% occupancy will effectively be the results of an 80 bed residential building.

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We also think that some serious thought needs to be put into the velocity that is recommended to be designed to. Designing the very rare peak to 1.5 m/sec generally leads to low and non-cleansing velocities for all other times. It may be beneficial designing a ‘daily peak’ to 1.5 m/sec whilst ensuring that the ‘annual peak’ is within 3m/sec.

What is next?

There are potentially more questions than answers still at this stage. As a committee we will continue to meet up, firm up a strategy, and decide how to action it. As we are still in the early stages resources, funding, and ideas are all welcome so please do not hesitate to get in touch with the team at research@ahscansw.com.au

AHSCA NSW Inc. Full Members are:

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Your hydraulic & fire design industry professionals All our full members have a minimum of six years experience as a hydraulic and / or fire services designer and hold a Diploma of Engineering - Hydraulic Services Design, Diploma of Engineering - Fire Services, Bachelor of Engineering or equivalent. We consider our full members to have recognised credentials within the meaning of the National Construction Code for these disciplines.

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How sustainability is improving the operation of

infrastructure Kirsty Bauer, Technical Lead at ISCA

Audra Liubinas, Sustainability Improvement Lead, Metro Trains Melbourne

nvironment, Social, Economic, Governance: the 4 pillars that make up the quadruple bottom line of sustainability. This can be translated to the management of impacts on and the enhancement of: • Environment: flora, fauna, air, water, land

• Social: community, stakeholders, heritage, workforce, supply chain • Economic: financial sustainability, budgets, materials lifecycles, maintenance cycles • Governance: asset maturity, risk and opportunity management, climate change adaptation, resilience

Another way of defining sustainability in asset management is “good business practice”. In many ways several of the aspects that are listed above are incorporated under different guises within a well-managed asset. The pathway from a well-managed asset to a sustainably managed asset is to take a holistic approach over the forecast useful life.

Sustainability has been viewed as an add-on or additional requirement to existing asset management systems. However, where the 4 pillars of sustainability are integrated into management systems and elevated alongside key business drivers, it is no longer an “extra”, but an essential. A sharpened focus and key sustainability commitments can generate organisational change and build a sustainability culture across complex large scale network environments. A rating system that evaluates the sustainability of infrastructure operations can provide a useful framework to achieve this. A sustainability framework provides useful guidance to an infrastructure operator on what “good business practice” looks like, and allows for the quick identification of gaps across the 4 pillars of sustainability. This broadens the scope of opportunities and initiatives to address longer term and interrelated risks, and demonstrates how local work efforts can contribute to a company’s sustainability goals. In addition to better risk and opportunities management, a quadruple bottom line integrated system will ensure that service provision can be maintained and efficiently improved. In some cases, this can be done through improved stakeholder and community engagement. At a practical level, understanding your steel, asphalt, concrete and other material uses for periodic renewal programs would allow planning for more robust materials to lower maintenance requirements, improve wear and tear/vehicle fleet emissions and impacts on the nearby community. Monitoring and measuring of water, energy and waste forms the foundation of resource management, and provides a platform implementing practical reduction opportunities. The Infrastructure Sustainability Council of Australia (ISCA) is a member-based not-for-profit industry council. ISCA is the peak industry body for advancing sustainability outcomes in infrastructure.

PEOPLE ISCA advances sustainability outcomes in infrastructure through the development and facilitation of the Infrastructure Sustainability (IS) rating scheme. The IS rating scheme is an industry-compiled voluntary sustainability performance rating scheme evaluating planning, design, construction and operation of all infrastructure asset classes beyond regulatory standards. The IS rating scheme for Operations is the first scheme in the world to measure the sustainability performance of infrastructure operations and maintenance. This framework facilitates the integration of sustainability into existing systems and assists in the development of a pathway to continuous development. ISCA is currently working with a number of organisations, including Transurban, Metro Trains Melbourne and Downer to assess the sustainability performance of their assets and networks. This sustainability framework intends to assist asset and network operators to drive better outcomes across the quadruple bottom line and contribute to thriving communities.

About the Authors

Kirsty Bauer â€“ Technical Lead Kirsty joined ISCA as part of the Technical Team in August 2015. She is primarily responsible for supporting IS registered ratings through the rating process and facilitating the use of the IS rating scheme for projects in Victoria. Kirsty project managed the development of the IS Operations rating scheme.

Audra Liubinas â€“ Sustainability Improvement Lead An accomplished sustainability engineer with over 13 yearsâ€™ experience in private, rail and water industries. Passionate about leading the development and delivery of innovative programs to continuously improve the environment and sustainability management of business operations.

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Mental Health in the Workplace Jorgen Gullestrup I CEO MATES in Construction

It is highly likely that, as a Manager, you will supervise a worker with a mental illness or mental stress at some point in your career – whether you know it or not.

ental illness is more prevalent than many people realise. Around 45% of Australians aged between 16 and 85 will experience a diagnosable mental illness at some point in their life, while one in five Australian adults will experience a mental illness in any given year. A worker may develop mental illness prior to employment or during employment. Most workers successfully manage their mental health without it impacting on their work. Some may require workplace support for a short period of time, some will require ongoing workplace strategies. It is often presumed that a worker’s mental illness or stress is personal and not work related. However, an ‘unhealthy’ work environment or a workplace incident can cause considerable stress and exacerbate, or contribute to, the development of mental illness. Research indicates

that ‘job stress and other work-related psychosocial hazards are emerging as the leading contributors to the burden of occupational disease and injury’. Price Waterhouse Coopers have found that companies who run even simple mental health programs have a saving of $2.60 per dollar spend, while the Hunter Medical Research Institute found that the MATES in Construction program had a health economic benefit of $4.60 per dollar spend. Each year over 2,500 Australians die by suicide, more than twice the number of deaths from traffic accidents. Three out of four suicides are by men, making suicide the leading cause of death amongst men between 15 and 44 years of age. Attempted suicide is far more common than fatal suicide events and it is currently believed that for every death by suicide, there are between 10 and 20 attempted suicides. The number of attempted suicides in

The construction industry has been found to have significantly elevated suicide rates while there is evidence of higher than average mental stress within the coal mining industry. Simplistic assumptions blaming work factors such as Fly-in Fly Out/Drive-in Drive Out (FIFO/ DIDO) or personal issues miss the point as reality is far more complex. Poor mental health and suicidal behaviours are caused by a combination of the individual personal, social and environmental factors. MATES in Construction was established as an independent charitable organisation dedicated to suicide prevention. It operates solely for the benefit of the workers in the construction industry. Whilst MATES in Construction received funding from industry, unions and employer associations it works independently and respectfully within the industry. MATES in Construction is a collective industry solution to an industry problem. The aim of the program is community development through building long term resilience and cultural change in the industry using best practice models. Best practice in delivery means using existing industry structures to

engage with workers in their workplace community. The core philosophy is “MATES helping MATES”, with industry supporting the program. MATES in Construction has been identified as the “missing middle”, connecting workers with help. The program offers wrap around services helping workers to find the right type of assistance and follow up throughout the process as needs change. MATES may help workers transition out of the workforce for short periods of time while they address issues and then collaborate with the industry when they are in a better position and ready to return to work.

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Australia is estimated to be more than 60,000 each year, with more than two-thirds of these attempts by women.

The program consists of three elements. General Awareness Training (GAT) is a one hour onsite awareness session that leads the workforce through a discussion about suicide and mental health in our industry. The target of this conversation is not men who are experiencing poor mental health, but those who work around them. We found that men are much better at offering help than seeking help. Everybody from management to apprentices participate in these sessions. At the end of the session workers are offered the opportunity to seek help with issues now and/or to become a volunteer with MATES in Construction. On average three to five percent seek help for various issues following training and 20 to 30 percent offer to

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become volunteers. Workers who are GAT trained can be recognised onsite by a white sticker on their hard hat. Subject to agreement with their employer, volunteers are offered additional training as Connectors. A Connector is a mate who can keep you safe while connecting you to help. The four hour session is conducted onsite and provides workers with the confidence to support coworkers in asking about mental health and in connecting individuals to help. Connectors can be recognised onsite by a green sticker on their hard hat. Applied Suicide Intervention Skills Training (ASIST) is a two day intensive, practice based course to help recognise persons who may be experiencing thoughts of suicide and empower intervention to prevent the immediate risk of suicide. The objectives of ASIST are to discuss suicide with a person experiencing thoughts of suicide in an open, direct and honest manner;

About the Author

empower the caregiver with skills to intervene with a person experiencing thoughts of suicide; and assist a person experiencing thoughts of suicide to develop a plan to remain safe in the interim. ASIST workers can be recognised onsite by a blue sticker on their hard hat. Health, safety and environment includes the mental health and wellbeing of employees. Employers who deal with workplace mental health issues in the same considered and systematic way as physical safety issues will have positive flow on effects with respect to productivity, safety and overall performance. Industry based programs such as MATES in Construction have the benefit of minimising privacy concerns, whilst empowering the workforce to tackle important issues, such as mental health.

Over the past 28 years, Jorgen has been heavily involved in the Queensland construction industry. A plumber by trade, in 2001 he became State Secretary of the Queensland Plumbers Union to improve working conditions within the industry. Whilst in this role, it started to become apparent that suicide rates in the construction industry for males were significantly higher than national and state averages for men generally. In 2007, MATES in Construction was formed as the industry acknowledged self-interest and conflict needed to be put aside on both union and employer sides to generate a genuine non-partisan intervention to address the issue. Since commencement the program has expanded to Western Australia, New South Wales and South Australia.

PEOPLE

Chilled water fan coil units that offer the design flexibility to create truly comfortable spaces Temperzone offer a wide range of chilled water fan coil units from low profile (under 260mm) to larger high static, high capacity units. The Y series range which includes EC fan technology allows the installer to select the airflow for each speed within a range allowing the airflow to be customised to the installation. This also allows the flexibility to alter the noise levels at a given speed due to the volume of air. The IXDL multi zone range features individual EC motors for each zone so airflow can be tailored for each area Simple wiring allows for connection to your preferred controller. For more information contact Temperzone today - Freecall 1800 21 1800 or sales@temperzone.com.au

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OPINION

As an Engineer, do you have to be good at business development to be able to promote yourself and your company?

We don’t think so! Giles Keay

Managing Director, Constructive, MRICS, FRCS

s recruiters, we are regularly asked by clients within the building services industry to source an engineer that can go out and win business. Unfortunately, this is also one of the most difficult roles to fill! The reason is, that whilst most engineers are incredibly skilled with the technical aspects of their role, their strength is not Business Development, and this often leads to a disconnect. Fortunately, for you to make an impact it doesn’t always have to mean hard business development, client pitches, and sales meetings. In fact, quite the opposite. A focus on your personal brand can be equally as powerful but it is delivered by creating a strategy. This strategy, and an ongoing commitment, will make it effective.

If all employees in a company focused on their own personal brand, supported by the overall business implementing an effective marketing strategy, it can be very powerful.

“Promoting yourself in the industry and within your own organisation has massive benefits in respect to advancement and promotion or even a move to a new role.” No matter your role within your company (or in fact even if you are not even in a permanent role and are job seeking) it is essential that you consider the impact of your

personal brand and what that might mean to you for your future. I spoke to my three children at dinner recently and explained to them about the impact that their interactions and posts, status, likes, photos, videos, snap, story and/ or a vine, can have! I lose track of the different actions you can take on social media that effectively define how everyone views you. My wife Sarah is continually reminding our kids every week about the importance of how they behave and represent themselves and how this reflects directly on the "Keay" family brand and therefore all of us.

Set your values, passions and prioritise them

Your values are the things that drive your life. They’re at the core of your being and you refer to them when making decisions. Maybe you don’t always refer to them, everybody makes bad decisions sometimes, but when you make your best decisions in life you usually consider your values. For example, a person might have the following set of values: • Integrity

• Purpose

• Ambition

• Thirst for knowledge These values define the things that are most important to the person. When faced with a decision, the person would consult with their personal values. They would ask themselves what the best choice would be in terms of the values on the list. Passions can be both personal and professional. This will give you an idea of the things that drive your professional life, but also the things that you want to be doing when you’re not working. For example, a person might have the following professional passions:

So why is your Personal Brand so important?

• Design

• Architecture

The first thing to remember about personal brand is that although it has only become sociable to talk about it in the last decade, it has always been important. Your brand is demonstrated by every action you take in life, every meeting you take, conversation you have, every email you send.... the term ‘Personal Brand’ is new but what it really means is:

• Technology

"how do you want to be known and viewed and remembered by others?"

Many individuals within the engineering/building services industry can be introverted due to the technical attributes required for the role which can provide huge benefits in respect to the design and consulting perspective. However, this unfortunately means that many engineers have been conditioned to stay quiet and to fall into the background. It’s safe in the background. When you’re in the background there isn’t much that can harm you, but if you’ve spent any amount of time in the background you’ve noticed that you can’t really accomplish much either.

The crux of the matter comes down to two things.... Firstly, what are and how do you define your personal values. And secondly, what are your passions and how do you wish to portray them? Funnily enough, what you do for a living and how you do it are far less important as that merely becomes the background noise, rather than why you are doing it in the first place.

The personal passions for this person might be: • Family

• Travel

• Outdoors

Be unique

People and therefore clients are attracted to uniqueness. Individuals, companies and organizations that embrace uniqueness can make themselves more appealing by standing out from the crowd.

OPINION

Your key to success with promoting yourself to the industry is to figure out what makes you different, learning to embrace that uniqueness and using it to get people to pay attention and to choose you over everyone else. Think about your values and passions and whether they can make you unique and how you can use them. So, our opinion is that you certainly don’t have to be a salesperson to be able to promote yourself and your company, but you do have to be true to yourself, be transparent and make sure you don’t hide in the background, so that you can be heard and seen! My advice to everyone is, take stock and take some time to really consider what your personal brand means to you and consider what actions you can take to ensure you create one, promote one and above all maintain one........ Here are some top tips to make sure you have a considered approach…. Good Luck...

Top 10 Tips

1. S et your values and passions 2. W hat is your own USP (Unique Selling Points)? 3. Use a professional headshot not a “selfie” for social media 4. Define your audience…. There are 3 groups of people, The Person you earn money from (Your Employer), The Person that you can make money from (Your Clients) and The Person that Influences others (Industry Influencers) 5. Identify potential online opportunities and potentially develop a blog strategy 6. Creativity will ensure you are noticed…… 7. Ensure consistency in your messages and therefore your brand 8. Use your network and associations to build your own credibility

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9. F ind people (Industry Influencers) who are keen to engage on social media and use each other to build your brands promoting to others 10. H andle negativity professionally, either ignore otherwise it can become a very public slanging match or if you have a strong case to counteract then professionally put your position across

www.camfil.com.au

EARL Y BIR Book

15/0

befor e

9/20

CIBSE ANZ 2018 SEMINAR SERIES

and

SAVE UP

O $50 gle t with ickets or m a gro up ra ore te.

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The Anatomy of the Smart Building

IF SMART BUILDINGS ARE THE SOLUTION, WHAT IS THE PROBLEM? Building services professionals know the value of better buildings, but with technology about to dramatically change the expectations of building owners, managers and tenants, how do you best respond? From net-zero to nano-sensors and the internet of things, blockchain to embedded networks and even virtual reality, things are changing at an unprecedent rate â€“ staying informed is getting harder. The CIBSE ANZ 2018 Seminar Series â€“ The Anatomy of the Smart Building, will focus on new and emerging technologies. As you would expect from an organisation that represents the very best of building services professionals in over 100 countries, CIBSE has pulled together a first class team of presenters to help you to better navigate the issues around assessment and implementation. Can you afford to miss this event? There has never been a more exciting time to be a building services professional.

DATES Perth: Monday 15 October 2018

Auckland: Tuesday 23 October 2018

Melbourne: Thursday 18 October 2018

Sydney: Thursday 25 October 2018

KEYNOTE SPEAKERS

Hywel Davies

Wayne Gass

Cameron Sandell Paul Dearlove

Brett Naylor

Jon Clarke

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CIBSE Australia & New Zealand

CIBSE ANZ

Craig Rodgers

Chris Wallbank Matt Clifford

# cibsesmartbuildings @cibseanz

PROGRAMME 12:30 PM Registration & Exhibition 1:00 PM

Session One

Q&A

POINTS

3:20 PM

Afternoon Tea & Exhibition

3:50 PM

Session Two

• CIBSE Chair Introduction • Delivering Energy Efficient Infrastructure • Leveraging Innovative Technology Responsive to Tenant Needs • Building Manager’s Perspective • BIM in the Smart Building • Smart Deployment

3:05 PM

IGIBLE F

• System Engineering & Architecture of a Smart Building • Cyber Security in a Smart Building • How to Deliver a Smart Building panel discussion

5:40 - 7:00PM

Networking Drinks

WHAT DELEGATES CAN EXPECT 1. How to deliver a smart building

5. How to use BIM to capture and deliver critical data to manage and operate your assets

2. How to optimise building systems for energy efficiency, reduced environmental impact and user comfort and control

6. Implementation lessons from building owners, managers and system engineers

3. Ways to deliver adaptable design and engineering for a changing future

7. Where the security vulnerabilities lurk in a smart building and how to protect against them.

4. Lessons from exemplar case studies that utilise the latest technologies for performance gains and deliver higher ROI

8. Insights into how “Smart” building concepts are sold, delivered and commissioned

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WHO YOU WILL MEET • Building and Operations Managers

• Facilities Managers

• Building Monitoring and Modelling Engineers

• Government Employees

• Commercial Property Owners

• Installation and Maintenance Contractors

• Consulting Engineers

• Property Managers

• Commercial Tenants

• Project Managers

• Energy and Sustainability Managers

WHY SPONSOR CIBSE invites a select number of exhibitors, that provide services that support the content of the seminar series, to exhibit and support the event.

This is a chance to: • Meet decision makers from top consultancies, government agencies, commercial property owners and project managers

• Showcase your expertise, products and services • Speak directly to your potential customers

DISCUSSIONS AND NETWORKING Learning isn’t a one way street. This event offers plenty of opportunity for delegate participation and interaction through Q&A sessions and the panel discussion – How to deliver a smart building. There will also be sessions to network and further explore ideas with speakers, delegates and industry suppliers during registration, tea breaks and sponsored drinks.

Join the conversation #cibsesmartbuildings

VENUES Perth: Monday 15 October 2018, Central Park, St Georges Terrace, Perth Melbourne: Thursday 18 October 2018, Lower Plaza, Treasury Theatre, 1 Macarthur Street, East Melbourne Auckland: Tuesday 23 October 2018, Beca, 21 Pitt Street, Auckland Sydney: Thursday 25 October 2018, Novotel Darling Harbour, 100 Murray Street, Pyrmont

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# cibsesmartbuildings @cibseanz

RATES Early Bird until 14/09/2018

Official Rate from 15/09/2018

CIBSE or KINDRED ORGANISATION MEMBER $199 NON-MEMBER $245

CIBSE or KINDRED ORGANISATION MEMBER $245 NON-MEMBER $ 295

STAY INFORMED AS A TEAM CIBSE understands that benefits compound when your team learn together, thatâ€™s why we encourage you to register together with two or more colleagues to benefit from a discount of up to $85 per person.

Group rate (3 or more tickets purchased together): Until 14/09/2018 $165pp From 15/09/2018 $210pp The group rate represents the best value ticket for this event.

GOLD SPONSORS

KINDRED ORGANISATIONS

NETWORK SPONSORS

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The 3 P's of School Design: People, Pedagogy & Place Jayne Harrison I Director JDH Architects

(Or why learning space design is failing and how we can fix it)

owards the end of 2017 I tapped into the wisdom of my Twittertati to complete a short online survey. I wanted to discover more about the relationship between school design and those who benefited from it: the teacher and the learner.

The results are startling.

Click the button below to participate in our research regarding what makes a great learning space.

We were also astonished to discover that in response to what currently influences new learning space design, only 25% of educators said pedagogy (the study of the methods and activities of teaching).

In response to the question of how flexible, collaborative, and healthy classrooms in today’s schools are, educators came back with an average rating of 5/10.

Even more alarmingly, only 3% said that change is driven by the expectations of the learner. However, when we asked what should drive change in the Australian school environment, 75% of respondents said pedagogy should be the key driver, with a further 19% choosing student expectations. So why, if 75% of educators agree that pedagogy should drive design, are 50% of our classrooms still failing to deliver the foundations for flexible, collaborative and healthy learning? The survey was targeted at educators across Australia. We wanted to gain insight directly from teachers and educators; to explore how current learning spaces are performing in terms of how flexible, healthy and inspiring they are; and understand what the key influences driving change are and, more importantly, should be.

The Role of Assumption

At the 2015 CEFPI (4LEA) conference, learning theorist, Ewan McIntosh shared an insightful view of this disconnect in his compelling keynote, ‘Meeting Places, Learning Spaces’.

And so, it begs the question: why is learning space redesign so often disconnected from its purpose of learning?

The Assumption of Expertise

This assumption of expertise lies not only when, as Ewan describes it “a deputy head applies a fluorescent vest and tries to design a learning space”, but when we, the architects and change makers of educational space, forget to not only listen but actively seek the voice of the end users – the learners. Sadly, it’s often the case that the design process is quite opposed to the vision and values of the people engaging in it.

• Dialogue, reflection and understanding the needs of learners requires time

• Too many educators fear having a creative voice and often the student has NO voice. If you don’t listen carefully you’ll miss the insight – Innovations golden bullet Shared insight, critical feedback and collaboration between all the people learning in the buildings are the key tenets for success when it comes to re-designing or building your school.

How Might We?

Those looking to change their learning environments should ask themselves: how might we engage with each other, our community and our students to combine creativity and insight to deliver learning spaces that resonate with successful learners?

This is not purposeful, but often driven by the perception that we need to build, and we need to build now! For so many, the fear of lost funding, rotating political governance or a departing principal’s swan song makes time of the essence and values like listening, collaborating and valuing student and teacher voices fly out the window.

I believe that education has the power to transform lives, and that architecture and design can tell the story of that change.

Designing with Empathy

Here’s what I think we, as architects and change makers of educational space, should do to drive change for the better:

For many of us in design, commercial pressure has slowly eroded the importance and practicality of truly listening to the needs of our clients. Tom Barrett shares his insight into the power of listening in his blog ‘Empathy: An Aggregate of Personal Truths’ Barrett sites Del Tufo who explains “we learn empathy when we experience connectedness and surface shared values”. At the core of this notion is the need for listening and collaboration in considered design.

A Lust for Listening

A lust for listening, and a reverence for the insight it affords, plays a key role in ensuring that we design space to align with the key ingredients of education, that is

People, Pedagogy and Place. The 3 P’s

Change in school Place should be driven by Pedagogy and aligned with the values and vision of the People who will benefit from it. Thinking should be tailored to the context and culture of the school, and it should be for the people, by the people (or at least the learner!).

Innovations Golden Bullet

• Too many designers and school leaders assume, rather than wonder

EDUCATION

His phrase, “the assumption of expertise that gets in the way of plumbing the real changes of learning“, really resonates with me and I believe his perspective can help us unlock the conundrum that is school redesign.

The design of spaces for learning takes time. It takes vision and understanding that any and all change must be predicated by real and meaningful engagement.

• Understand that intellect and emotion are the cornerstones of meaningful design

• Design using a process that does not jump straight into a solution. • Never assume

• Use insight to fire innovation

• Listen. With your heart, mind and humility. If you would like to bring together your People Pedagogy and Place, please contact me to carry on the conversation.

About the Author

Jayne Harrison is Principal and Founder of JDH Architects, a Sydney based architectural firm, synonymous with the creation of innovative contemporary learning environments. With over two decades of experience and 150+ of educational projects under her belt, Jayne is renowned as one of Australia leading authorities on Educational Planning and Design. She is also a recognised expert speaker and facilitator in the fields of Creative Thinking and Social System Design, and is also the founder JDHeD, a unique design thinking consultancy and ideas sharing forum for designers and educators.

University of Wollongong Library

What is Informal Learning?

Nolita Ryan I Education Sector Leader, Geyer Design

Education in the 21st century is a global industry, and Universities, Schools and Colleges are operating in an increasingly competitive landscape. Education institutions must position themselves to attract and retain the best academic faculty and students, and in turn, industry partners and sponsors. The development of a physical campus ecosystem can play a significant role in achieving this.

t a recent tertiary education conference in Sydney, Penn State University’s director of education technology Kyle Bowen showed Australian universities the types of innovative learning spaces that are yielding positive results at the campus. “If you have a student sitting in the front of the classroom with their laptop open, it creates a cone shape area of distracted students behind them,” he said. “What we have is a situation where we’re competing for attention.” Mr Bowen said the challenge for educators was to rethink how learning spaces look, operate, and what outcomes they provide. “What we want to do is design

experiences and not spaces. To think about the outcome first and then design spaces around that,” he said. Evidence based research shows that students who participate in informal/ social learning are more engaged, better prepared and learn significantly more than students who don’t participate. The focus on interaction, problem– solving and discussion in an environment specifically designed for active and social learning creates a strong community of learners. Even though this community can gather in a virtual environment if required, research shows it’s the physical connection that has the most value for students.

What is an Informal Learning space?

Successful Informal learning spaces, (or Student Hubs), are a shared space that support interaction, creativity and reflection. These spaces incorporate elements defined by a standards-based approach: informal pods, individual/ pair and group seating with computing and BYOD (Bring Your Own Device), banquette seating, express technology areas, kitchenette and printing facilities; all supported by technology. These spaces can be internal or outdoors. To attract and retain modern students, as well as improve engagement and drive better results, the classroom and campus of the future must utilise the physical space effectively, whilst leveraging tech-driven innovations that support the innovative environment and pedagogy. Ideally the principles from such projects could be distilled and applied to future projects across a university campus. Underpinning most student centric environments are three simple design principles:

Flexibility

> A â€˜kit of partsâ€™ approach to furniture selection to standardise base furniture elements across multiple hubs, whilst modularity of elements allows for reconfiguration of the furniture and learning landscape.

> Reconfiguration enables end user modification and customisation of spaces to support different work styles over the course of the semester. Some elements can be controlled / reorganised by the users while others will be reconfigured by university staff. > Upgrading infrastructure and providing standardised software platforms and technology across the campus further supports flexibility in enabling users to work easily in a variety of locations across many different work settings to suit their studying requirements.

Diversity

> Creating design responses that celebrate the unique identities of each informal learning space. > Giving people choice of how, where and when to study by providing a variety of work settings and increased 24/7 access areas. Giving people choice about how to interact with services that may be provided at the Hub.

EDUCATION

Well-designed informal learning spaces support learners in all aspects of their school or university life and encourage them to extend their learning time at school or on campus and to interact with others.

> Creating spaces to support student needs beyond studying: counselling; sharing of ideas; and areas to support student wellbeing (including relaxation and interaction).

Equity

> Enabling all students equal access to research information and technology. Providing all student hubs with the same space settings but tailored for the identity of that Hub. Equal and open access for all students and staff in terms of open and free access and disabled access. University of Wollongong Library

University of Wollongong Library

At Geyer, we’re finding we must focus on supporting vibrant communities that deliver fulfilling student experiences for our clients to remain at the forefront. Each unique university vision must be applied to the design to capture the practical needs of the campus infrastructure services. All stakeholders need to input to the process to create student spaces that are practical and flexible. We then align the design to campus wide procurement and facility management, resulting in the creation of spaces that position institutions globally, with a view to greater community and corporate engagement and collaboration. The recently refurbished Library at University of Wollongong accommodates a series of informal learning spaces. The facility responds to the need for a more responsive and student oriented facility in an increasingly competitive higher education market, reflects technological changes within the university campus – and the need to maintain an enriched student experience. The library addresses the increasing demand by students for informal learning spaces, social hubs and individual focused work. Geyer’s new layout reflects the design principals of flexibility, diversity and equity through furniture selection and designing spaces that support the different ways students can share ideas and collaborate. Integrated technology zones including whiteboard wall zones and computer-based focus zones further enhance the collaboration spaces. Geyer worked closely with Curtin University to deliver ‘Curtin Connect’ a student services centre with informal learning spaces. Curtin Connect supports active and social learning strategies, it offers students a Third Space experience providing an opportunity for peer-to-peer engagement, as part of team work research, enriched by state of art technology and multiple activity-based settings with technology enabled active learning spaces.

Curtin University, Curtin Connect Curtin University, Curtin Connect

EDUCATION

Curtin University, Curtin Connect

Curtin Connect is a dynamic and intuitive university service hub that streamlines the student experience in a truly interactive, customer-centric format facilitated by technology and agile settings. The contemporary and enduring interior nourishes collaboration through strategic design and has become an instigator for cultural change on campus, supporting Curtin’s expanding and evolving education landscape.

About the Author

Nolita Ryan is the Education Sector Leader with Geyer Design, developing Geyer’s education service offering across Asia Pacific, collaborating with education clients globally to transform learning environments with the latest in strategy led design. Nolita has 20 years’ architectural experience with leading practices both nationally and internationally in Australia, China, UK, USA and Ireland. The co-chair of the NSW Education Chapter of NAWIC (the National Association of Women in Construction), Nolita has mentored with the group for several years, as well as mentoring with the IACC (Irish Australian Chamber of Commerce) and selected as a member of the IACC’s ‘Emerald Influence’ group in 2017 and was awarded the NAWIC NSW Business Woman of the Year in 2015. Geyer have been working with Education facilities for several years and have a fulltime in-house research team who work with our Education Sector Leader to review evolving pedagogies and evidence-based research to support our designers in working closely with our education clients to design spaces that support effective learning and engagement.

Engineered timbers and fires: What you need to know Edmund Ang I Frederic Liberty

ngineered timber is increasingly a popular primary construction material in Australia. This article discusses the three fire safety issues to consider for engineers and designers.

2) Treating the timber with chemicals. This method relies on treating the surface of the timber, e.g. intumescent coating to provide protection to the internal building timber.

Introduction to Timber

3) Increasing the size of the timber member. This is, in the authorsâ€™ humble opinion a counter-intuitive fact to some. Although timber burns, as pyrolysis takes place a charred layer is formed and this layer provides protection by delaying the burning of the deeper layer. Therefore, by increasing the size of the timber above that required, structural fire protection can be achieved.

The sustainability and thermal performance of timber require no further introduction, and these are part of the key factors, coupled with advanced manufacturing and improved constructability that are contributing to the rise of engineered timber constructions in Australia. In recent years, the construction industry has seen several fascinating engineered timber products used as a primary construction material, from CLT (Cross Laminated Timber) as shown in Figure 1 to glulam (Glued Laminated). Figure 1: Conventional 90Â° Assembly Layup of Cross Laminated Timber [Source: Schmid et al. Fire Technology, 2018]

Digressing slightly, although this is a seemingly simple phenomenon, the charring of engineered timber is the subject of intense interest in research as the grain, types of woods, density, the climate it is grown in, the method it is engineered, the layup of the layers (for CLT) and so on can drastically impact on the structural fire performance of the engineered timber. This is on top of the lack of an accurate and encompassing scientific description and modelling of the fire performance of different engineered timbers. This leads to our first of the three items when engineered timber is used in practical application.

For fire safety, a key difference between timber and the traditional concrete or steel is that timber is combustible; in particular for exposed timber in a building, it can increase the size of a fire expected. Broadly speaking, there are three main methods of ensuring timber achieves a level of structural fire protection (ability to maintain load carrying capacity for a specific period in a fire). These are: 1) P rotection by covering the timber with fireprotective covering, e.g. fire-rated plasterboard. This method although effective and simple, will end up obscuring the unique aesthetics of exposed timber.

Figure 2: A Charred Layer Forming at the Outer Layer of the CLT [Source: Schmid et al. Fire Technology, 2018]

Itâ€™s the Test Data

Although the Building Code of Australia in recent years has been revised to recognise the use of timber as a

EDUCATION

Figure 3: Monash University Peninsula Student Accommodation [Source: Monash University]

construction material, the engineered timber in most cases must be covered with fire-protected covering to achieve a compliant design on top of the requirement for sprinkler protection. As such, the use of engineered timber is typically delivered as a performance solution due to the preference of exposing the timber elements for aesthetic reasons; whilst maintaining the provision of sprinklers in the building. This is the case for the Monash University Peninsula Student Accommodation. Owing to the complex behaviour of engineered timber in fires, it is critical to engage early on with the supplier to work closely with the designers, engineers and builders. This is because the performance solution involving engineered timber relies heavily on test data to demonstrate the chosen material performs to the level required by the engineers. This is more so the case when exposed engineered timber is chosen, which from our experience is preferred due to its aesthetics.

CLEAN AIR FOR HOSPITALS ACCORDING TO ISO16890

Unlike other traditional materials, the performance of an engineered timber for reasons mentioned earlier can vary between suppliers, i.e. a CLT product from one supplier may have varying performance to another. It is important to ensure the product where the test data is based on is the same product that will be installed on site, down to the same connection details, thickness, and the applied load. For services engineers, it is crucial to understand if any modification is needed to the product, e.g. for services penetration, acoustic treatment and so on, it is not simply a case of just modifying the product. Even when the modification does not intrude on the engineered timber, e.g. applying acoustic strips between walls and floor slabs, we discovered the performance of the engineered timber can vary, i.e. the engineered timber charring at a rate greater than intended.

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Services and Penetrations

For a building to function, it is invariably true services and penetrations will be required for all of the necessary utilities. It is more so the case when the building has a highly cellular layout such as the Peninsula Student Accommodation where pipes and ductworks pass through a timber element. Although the first recommendation is to minimise penetrations through an exposed timber wall performing the function of a fire wall, there will be scenarios where this is inevitable, for example cable penetrations. For sealing cable penetrations, the fire sealing products, like other products used for fire safety application, will need to be tested on the material where the penetration occurs. To the extent of our knowledge, we are unaware of an off-the-shelf product tested on an exposed engineered timber wall. This means such penetrations will be delivered as a performance solution or new tests need to be carried out, and will require coordination between the fire safety engineers, the services engineer and the timber supplier to ensure a safe solution can be delivered.

Construction â€“ Where it all comes together

In Australia, a topic that has yet to receive widespread discussion is site safety during construction. When engineered timber construction grew in the United Kingdom, there have been several high-profile timber frame in construction fires across the UK in Peckham, Camberwell and Basingstoke. During that time, major concerns were raised resulting in cancelled projects, or significant redesign to traditional steel frame material. Going back to the earlier point where timber itself is combustible and contributes to the fire, a timber frame fire will result in a larger fire that could spread and impact the adjacent site compared to a construction site fire involving steel frame construction. A timber frame fire will also be a significantly more challenging fire for our emergency services due to the larger extent of the fire. For a timber building, although it can be made safe when appropriately designed coupled with adequate fire safety measures, these measures designed to protect the building will not be all in place during construction. As such, the consequences of a timber frame fire during construction and on completion can be vastly different. Fortunately, in Australia there has not been a major fire involving a timber frame in construction. A big part is no doubt the safety standards maintained by the construction team; we must also recognise probability has a hand in this good track record. With more timber frame constructions, it is paramount for the construction team to continue the good safety practices, but also consider

other international practice and risk assessment on site safety for timber frame in construction. An example is the UK Structural Timber Association Guidelines that provides guidance on construction site management for timber frame construction, reducing arson and accidental fires risks, and recommendations on separation distances between the timber frame construction to other buildings adjacent the site owing to a larger fire expected for a timber frame in construction. As designers and engineers, we also play a key part in maintaining this good track record by proactively adopting a safety in design mindset. There are some examples including designing for the sprinkler system to be in place and operational earlier during the construction phase, using traditional material such as concrete for lower floors that are susceptible to an outside fire and positioning higher risk rooms such as a substation away from the building where practicable.

Conclusion

The rise of timber frames for primary construction material in Australia represents a significant milestone in the construction industry. The benefits offered by timber as an additional material choice to concrete and steel opens whole new design directions for our creative designers and engineers. As we embrace this exciting possibility, it is important to continue to work diligently and collaboratively across the whole supply chain in the application of this material to ensure a good standard of fire safety is achieved. The last thing anyone wants is for a major incident to occur that would setback the industry. This article is but a brief overview of the fire safety issues when timber is used as a primary material, and it is the tip of an iceberg on the fire safety considerations required.

About the Authors

Edmund Ang is a PhD researcher at Hazelab Imperial College London and a fire & risk engineer at AECOM Australia

Frederic Liberty is a fire & risk engineer at AECOM Australia.

Richard Stokes I Senior Sustainable Building Design Consultant, Arup, Melbourne

EDUCATION

Melbourne’s New Innovation Precinct Australia’s leading innovation precinct at the University of Melbourne is an in-construction 42 year BOOT (build own operate transfer) development by Lendlease and Urbanest at 700 Swanston Street, on the site of the former Royal Women's hospital, bordering Grattan and Swanston Streets, effectively extending the University of Melbourne Parkville campus to the East.

rup are working in collaboration with Lendlease in response to the request for tender from the University of Melbourne which included wide reaching and game-changing sustainable design and operations targets for a university precinct. This included 5 star NABERS Energy, 4.5 star NABERS Water and a 6 star Green Star rating for the commercial precinct that will host the Melbourne School of Engineering (MSE), a Science Gallery, a childcare facility, a fabrication lab and retail areas. Further, a 5 star Green Star rated student accommodation building is targeted. Additional targets require 10% of the total precinct energy to be provided by renewable sources and an overall carbon neutral aspiration.

As part of the bid phase we developed a comprehensive sustainable design strategy that I've broken down into the following key areas: • The Energy Hierarchy • Precinct Water • Total Design

Figure 2 The concept sustainability design

Figure 1 The corner of Grattan and Swanston Street with the Science Gallery

The Energy Hierarchy

To achieve the project's renewable energy target of 10% renewable energy onsite, the team focused on maximising the solar yield from rooftop PV using the latest available

technology and optimised PV panel layouts, however it soon became evident that there was a limited availability of renewable energy onsite and getting to 10% would only be possible through strictly applying the energy hierarchy to reduce energy demand significantly in the first instance and then specifying best practice HVAC and lighting throughout to minimise energy consumption.

Figure 5 Façade design options determined with extruded ‘hood’ (left) and ‘prism’ panels (right)

Figure 3 The energy hierarchy

Figure 6 Parametric façade optimisation process

The demand reduction measures were initially driven by a parametric massing and facade optimisation process established in the bid phase in response to Lendlease's request for an engineered facade for the new Melbourne School of Engineering. The design that emerged took a business as usual curtain wall facade and manipulated it to create optimised shade 'hoods' and extruded shade 'prisms' that respond to each facade of the building and it's specific requirements for views, glare, reflectivity, daylight, thermal performance and solar shade. The result is an array of passive facade types and positions that have been arranged dynamically with architectural consideration from Woods Bagot and analytical input from Arup's integrated building envelope facade and sustainability specialists. The massing was also manoeuvred to bring daylight into the central 'Oculus' space through lowering the CLT building to the North. Figure 4 Overview of multiple façade influences

Other energy demand reduction strategies include a commitment to achieve a precinct wide air tightness target defined with the university, where an air tight envelope has been considered in detail through the design stages and Efficiency Matrix have been brought into the team to ensure the construction meets this target. As the author of the Green Star Innovation Challenge and PassivHaus enthusiast, it is great to see building air tightness requirements being implemented on projects of this scale. The air tight design helps minimise demand for heating in winter and when coupled with minimal overnight lighting and equipment loads (defined in tenant lease agreements using the NABERS Tenants Automated Controls profiles) also delivers reduced cooling and ventilation energy consumption. The tenant lease agreements have also been used as a framework to reduce internal gains within the commercial office spaces through acknowledging the significant improvements in computing and lighting energy efficiency that have made the National Construction Code and Property Council of Australia A grade allowances very out dated and no longer challenging. A combined allowance of 12 W/m2 averaged during the day was defined for tenant lighting and power For the student accommodation building designed by Hayball, that will be operated by Urbanest, a mixed mode design has been developed with a high-performance

For energy efficiency, and reducing energy consumption, the 2nd step in the energy hierarchy, NDY, the projects building services engineering consultants have designed a centralised heating and cooling system that works to provide energy efficient heating and cooling to the commercial precinct inclusive of the science gallery, Melbourne School of Engineering, childcare and fab lab. Centrifugal chillers arranged in series with a part load COP of 10+ and condensing gas fired boilers help minimise energy consumption. Further, the air handling units serving the low temperature variable air volume system all feature highly efficient EC plug fans and keep pressure drops to a minimum through consideration of flow rates, riser sizes and equipment selections. The resulting energy performance was sufficient to see the commercial office areas being modelled at ~5.5 star NABERS Energy, but across the precinct, the ~330 kW array of PV panels that could be fitted in on the roof, didn't quite meet the 10% renewable energy target without having to build additional roof structures above plant spaces. So, to achieve the targeted 10% renewable energy provision, the project has explored how to integrate and expand upon the University of Melbourne's 80 kW ground source heat pump system which was originally provided solely for research. The final system size is still being finalised with input from Direct Energy but will make an exciting and important contribution to the project.

Precinct Water

In Australia, providing rainwater harvesting and storage is business as usual and this large site captures a significant volume of water on a rainy day. However, despite perceptions, it doesn't rain that frequently and when it does, the huge demand for non-potable water in our buildings quickly consumes whatever is stored. The University of Melbourne set an aspirational target for all non-potable water demands to be met with nonpotable water, which led to a series of water balance calculations for the precinct being undertaken. However, it was concluded that it could not be done cost effectively without Blackwater treatment onsite. The project made the decision on the basis of recent experiences with Blackwater treatment systems in Australia that a system of this cost and complexity was not viable and instead a precinct greywater system was implemented. A greywater system works particularly effectively on this precinct due to the co-location of the student

accommodation and commercial spaces. The accommodation provides a year-round daily supply of greywater from the showers (assuming students shower...) and the commercial precinct provides a continuous demand for non-potable water for flushing toilets and urinals. The rainwater system is also connected to the landscaping and both systems are connected to the precinctâ€™s cooling towers to maximise water reuse opportunities. The resulting potable water consumption for the precinct is estimated to be significantly lower than the University of Melbourne's current performance in accordance with their sustainability plan. This should see the commercial office areas pushing towards a 5 star NABERS Water rating performance level in operation.

Total Design

EDUCATION

facade with its own optimised shade 'hood', an operable facade panel and careful consideration of glazing extent and performance. The increased levels of insulation and highly efficiency VRF air conditioning help ensure thermal comfort is provided all year round and into the future as the climate continues to change

In addition to sustainable building design, Arup have provided a host of engineering services including structural, acoustic, facade, civil and specialist lighting design. Arup's Total Design philosophy has been implemented throughout this project, identifying overlapping influences of our multiple disciplines and delivering integrated design solutions such as the parametrically designed facade. Other examples include the project's stormwater modelling, where the site is upstream from the Elizabeth street flood zone in the city and has needed to incorporate significant stormwater attenuation and retention measures onsite. A solution has been agreed through integrating the rainwater modelling undertaken with the stormwater strategy to help maximise the available capacity of onsite storage. A great example of Total Design is climate change adaptation and resilience, where Arup's climate change specialists led by Luke Sarsons, hosted a workshop with the project team including Spotless and Urbanest, who will operate the precinct. The role playing and scenario building within the workshop helped the team understand the relatively high risks the precinct will likely be exposed to over the next 50 years and consequently develop a series of suitable mitigation strategies across many aspects of design, construction and operation for the precinct. This included heat wave management plans, communication strategies, public water fountains, extended faĂ§ade warranties, reviews of conduit details and additional plant space with spare capacity in the mechanical and electrical systems. Further energy and water modelling was tested with future weather data to ensure the project's NABERS targets could still be met under varying climatic conditions. Also, through collaborating with our acoustics team and NDY, we were able to help determine a suitable cooling tower design solution where despite their close

proximity to student accommodation, detailed analysis demonstrated the operational profile of the cooling towers wouldn't lead to unsuitably noisy operation during sensitive hours. Finally, a key feature of the precinct, is the cross laminated timber (CLT) building that appears small relative to the massing for the surrounding buildings, but in its own right is a significant timber structure for Melbourne. The life cycle benefits of timber construction are well known but this showcase building should help restart the timber building industry here in Australia and bring it back into the public spotlight. Figure 7 The central ‘Oculus’ design with ‘CLT’ building Figure 8 Structures model showing ‘CLT’ building

o Landscaping: Aspect o Air tightness: Efficiency Matrix o Geothermal: Direct Energy o Development operators: Spotless and Urbanest • Key features o 330 kWp PV rooftop PV array o Precinct heating and cooling network o 379 bike parks o Optimised parametrically designed façade facades o Cross Laminated Timber building within precinct hosting childcare o Operable façade for student accommodation • Ratings o 6 star Green Star Design and As-built v1.1 – Commercial Precinct o 5 star Green Star Design and As-built v1.1 – Student Accomodation o 5 star NABERS Energy Base Building Office – target in operation o 4.5 star NABERS Water Whole Building Office – target in operation

Links

Australia's leading innovation precinct

Last Words

The project has been an amazing process with many able and willing collaborators. It has already started to pick up nominations for awards and is on the shortlist for the World Architecture Festival Awards due to be announced at the end of 2018. I'm excited to see it rise out of the ground over the next 18 months and can't wait to see how it looks when it is completed in late 2020.

Project Details

o Developer: Lendlease o Builder: Lendlease o Architects: Woods Bagot and Hayball o Services Engineers and Vertical Transport: NDY o Structures, Civil, Geotech, Water, Traffic, Sustainability, Acoustics, Facades, Digital Façade Activation: Arup

About the Author

Richard Stokes is a senior sustainable building design (ESD) consultant with over 8 years experience working for leading engineering design consultants in specialist sustainability teams both in the UK and Australia. At Arup since 2016, he has led the ESD design for Australia’s leading innovation precinct from concept through to construction and enjoys working collaboratively with architects and engineers, specialising in commercial and education projects.

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EDUCATION

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Clients leading the Dig Suibhne (Siv) Cullen I Digital Sherpa

Undeniably one of the priorities for every business to The construction industry is awash with businesses change program.

ost studies show incentives such as market agility, customer centric business, innovation and consolidating operations as the big benefits for corporates to transform, all with the promise of increased profitability. However, it turns out that the construction industry remains far behind all other major industries in going digital. Studies show that firms in the construction sector changing the trend in the past few years are those investing in talent and technology, committing to a digital strategy, and including digital into their forward growth plans. Most of industry however remains waiting for a trigger to change, citing investment, talent, or client imperative as reasons to remain stagnant. These arguments are

unfounded as IT has been a cost for decades, clients are asking for digital and there is an ever-growing talent pool. Several organizations have some construction industrybased qualification for Digital Engineering, Virtual Design & Construction and Building Information Modelling (BIM). Indeed CIBSE has instituted the Society of Digital Engineering with extensive online learning and evaluation available here. There is an evolution taking place in construction which is â€˜Digital Engineeringâ€™ including everything from Blockchain, BIM, IoT (Internet of Things), 3D Printing and Manufacturing, Robotics and Artificial Intelligence, all

The first example of innovation is the creation of the DEF (Digital Engineering Framework) Panel, led by the Director of Digital Engineering, Simon Vaux. The panel functions in two ways. Firstly, by providing a panel of approved and digitally capable specialists for the various parts of TfNSW to engage for client-side support. The second is a group of technical experts, defining a set of standards and internal templates that will allow TfNSW to more easily define and procure their DE requirements, but also supporting industry throughout delivery.

“Digital engineering is a catalyst for driving transformation in our industry, which will provide a step-change in productivity for both client organisations and their supply chain.” TfNSW, Director of Digital Engineering, Simon Vaux

INNOVATION

gital Push

oday is Digital Transformation. in the throes of some sort of digital This is no small task, but there is already evidence that TfNSW are making this happen. Many of the recent infrastructure projects released by TfNSW have clear Digital Engineering Specifications incorporating Information Requirements. driven by the commercial need to optimise and digitise our businesses to do more with less in the digital age.

Essentially, if you weren’t doing it before you will be doing it now. Digital engineering is now a part of core practice.

So, what seems to have changed? I believe that we’ve turned a corner, with clients now taking control with a demand for digital products and services. The real imperative has and will be driven by what our clients want and as a result what we are contracted to deliver.

The second great example of a client driving industry change is the innovative ‘standard digital designs’ trial within the current tranche of works for the Transport Access Program led by Program Director Chris Daffin. Here TfNSW are providing standard designs for their station upgrades. These consist of 3D building blocks, operating as a virtual kit of parts. Such as 3D bridges, lifts, and stairs. These components meet industry standards and comply with specifications identified by key stakeholders such as Sydney Trains, RMS, and others. This approach gives the industry the means to quickly generate designs focusing on accessibility while optimising review processes.

To give context, two excellent examples exist here in Sydney within one of the largest clients locally, Transport for NSW (TfNSW). Transport for NSW is embracing digital engineering to inform design and technical considerations in order to be smarter and more efficient in the way that it approaches construction in a live rail infrastructure context.

As a digital advisory consultant, the challenge is no longer convincing others of the need but of keeping up with the demand. A mixture of Digital Transformation meets Industry 4.0 targets, set by CEO’s has clients in Energy, Transport, Water and Built Environment moving intentionally to digital engineering as ‘business as usual’.

“This innovation gives our supply chain a head start integrating TfNSW’s experiences quickly into designs, allowing them to focus on getting customer accessibility right. In turn this reduces the time to complete projects while saving on public spending”

TfNSW, TAP3, Program Director, Chris Daffin.

Some of the most advanced of these being the building services consultants whom are evolving rapidly to deliver increasingly complex and challenging projects which are smart virtual assets. Although Digital Transformation is the larger piece, digital engineering is a building block and a critical one for the construction industry. For more details on CIBSE Society of Digital Engineering just head here or contact your local CIBSE Chapter.

References

1. Harvard Business Review - McKinsey Global Institute, Industry Digitization Index.

About the Author

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Visualising tomorrows world Laura Stewart & Matt Aberline I Aurecon

Put yourself in the shoes of someone who is not trained to read engineering plans, someone who has learnt by doing rather than following thousands of drawings and specifications. Then, just imagine this same person trying to make sense of these drawings by painting a picture in their head to convert that information into something meaningful. What if a digital representation could allow them to visualise the complex information and enable them to provide meaningful feedback through an immersive experience?

igital has provided us with many efficiencies in engineering design, however one that Aurecon has dived deep into recently is the ability to connect with users and how digital can enhance empathy, improve decision-making, manage risk and ease change management.

Immersion and user-centred design

Aurecon has combined the design process with immersive technology. The convergence of reality and virtual worlds is an enabler for user-centric design. Engineers and designers are able to immerse themselves in the project through the use of 3D rendered modelling,

while stakeholders and end users can experience a project in virtual reality before they experience it in reality. By allowing stakeholders or users to engage with designs early in the process and using immersive technology, they are able to provide more meaningful and informed feedback during the early phases, before procurement and certainly before construction. This allows design concepts to be proven before finalised, new ideas or innovations to be tested before they are built and ensuring experimentation to respond to usersâ€™ needs in new, more creative ways. The benefits are clear and instantly realised, whether it is an increased sense of ownership by stakeholders or

So what else does this approach enable?

Invested decision-making

asset management platform enables us to respond more rapidly to changing conditions, to optimise asset performance and make better decisions. It’s more than just sensors and iOT – it is the application of advanced technical knowledge, business strategy enabled by current and emerging technology – to create digital ecosystems.

As professionals in the built form we make assumptions about human behaviours and how people interacted with infrastructure. Digital representations, visualisations and virtual reality enable safe and low fidelity testing environments to be established through the design process to test user interactions with the concepts we have designed.

It is all about starting with the end in mind

Following a recent user focus group, one user said, “It is so much better doing it this way – I felt like I was in the space” and another “you don’t need to imagine, it’s right there – you are right there”.

As a user, owner, designer or stakeholder the integration of new technological advancements with virtual reality and visualisation is changing the way projects are designed, built and maintained.

By providing truly immersive experiences, we can understand not just what a user says, but how they act and respond. These user insights add value through the decision-making process in ways not seen before and truly put the user at the centre of the process.

Our digitally connected future is here

By 2020 our world is estimated to have 21 billion connected sensors and endpoints, bringing real time information, analytics and insights to our built environments, and saving potentially billions of dollars in maintenance and operations. Connecting devices and users to asset management systems creates an ecosystem of information and responsive data capture to improve decision-making and data analysis and allow for proactive asset management. Just imagine a platform that connects and allows us to interact with our assets in real time. Aurecon’s digital

INNOVATION

more functional design tested by users. Aurecon has been able to make changes early in the design process to accommodate user feedback, enabling a truly usercentred design.

The challenge is to build a digital representation that enables data-driven decision-making – to understand our assets, to capture what is important about them, and to learn how they function in their broader ecosystem of parts.

About the Authors

Laura Stewart, Design to Innovate Partner, Aurecon Laura is a communicator, facilitator, strategist, designer, and is challenging the way we deliver infrastructure by bring a design thinking approach to problems. Matt Aberline, Principal, Aurecon Matt is bringing a fresh perspective to digital and its role in society. Working with clients to make the complex simple by developing innovative and cost-effective digital solutions to manage assets more effectively. Fascinated by the potential of integrating digital and physical technologies to improve operations.

Electronic Access Control Systems – An Organisation’s Weakest Security Link? Daniel Rasins

Introduction

he way in which buildings and facilities allow access to the general public and authorised people is significant in how the site is portrayed by potential intruders. While some sites such as hotels, hospitals and casinos typically operate over a 24/7 period, other sites such as commercial office buildings which primarily operate during business hours access (8am–5pm) need to be treated differently in terms of how access is controlled. The deployment of an electronic access control system (EACS) is the most legitimate method of controlling who has access to designated areas and at what time. Some organisations implement EACS within their premises as one of a number of electronic security systems but this is only one piece of the puzzle in creating a secure environment. As good as EACS are for preventing access to unauthorised individuals, they can also be viewed as an organisation’s “weakest link” if authorised users aren’t educated or made aware about the operational aspects and functionality. This article will cover common problems often found with EACS that make them vulnerable, how these problems can be addressed with security design and management initiatives and what importance these methods play in reducing the likelihood of an organisation’s security being compromised.

Common Problems with Electronic Access Control Systems (EACS)

The number of incidents that occur with an EACS at any given organisation is sure to be up there with any other electronic security system deployed at that site. However, how many of these issues are reported is another issue worth discussing. For example, common EACS problems such as a user’s access card not working or a faulty card reader denying entry to an area are easily reported to the firm’s or building’s Security Department to be rectified as soon as possible. But there are a number of other problems that happen frequently within an organisation that go unreported and can make the company’s security environment vulnerable to a security breach. One of the more common issues with EACS is “tailgating” whereby an authorised user presents their access card at the card reader and gains entry while a person follows behind without presenting their card to the reader. This person may be a staff member or authorised person who has access to the area but either chose not to present their card or has forgotten it. It may seem like an innocuous event but the more often it occurs, the more complacent staff members get and it becomes commonplace in the company’s security culture. Essentially, the issue lies with that user not being registered as entering the secure area and no electronic audit trail being recorded on the EACS. If a security incident occurred and an investigation was initiated to see who entered the area, the person who tailgated into the location would not appear on the event log and could

INNOVATION be wrongly eliminated from the investigation. The worst case scenario with tailgating is if an unauthorised person follows a legitimate individual into a secure area without being noticed or challenged. The alarming reality with this is how often it happens, particularly in busy commercial office environments where multiple tenants inhabit the same building and possibly even the same floor. Another regular issue that can weaken an organisation’s security boundary is access control doors being propped or left open. Often the doors are propped open by anything that the employee can locate and the main reasons for why it occurs are laziness or employees forgetting their access cards and leaving the door open for convenience. This is of particular concern where the door lies on the delineation point between the public and private zones of an organisation’s area. This can allow a potential intruder free access into what should be an area for legitimate people only. Similarly to the issue of tailgating, access control doors being chocked open are highly detrimental to a company’s security setting as there is no electronic audit trail being recorded. If a company allows access control doors to be left open, they may as well save their money and not have the electronic locks, reed switch alarm devices and other door hardware installed. However, there are numerous ways to address these issues from occurring from a design perspective and these will be discussed further in more detail.

Designing Out Access Control Problems The issues that appear frequently with EACS are able to be addressed using different methods, with the primary way being during the design process. It’s important for the organisation to play a vital role in the design process through consultation with the security design professional during the early stages of the project. Typically a Security Risk Assessment (SRA) in accordance with ISO 31000 Risk Management would be completed first to identify, analyse, evaluate and treat security risks to the site. The SRA would also include a workshop with site and project stakeholders to discuss what security concerns exist and also what the security culture is like. Unauthorised access is a very common risk identified in SRAs and the main way that this risk could be realised is through doors being chocked open or instances of tailgating occurring.

Addressing the problem of tailgating can be tackled a number of ways. The first is through designing the EACS to have anti-passback enabled. This essentially means that unless the access card was used at a perimeter card reader, it can’t be used at a card reader in an internal area of the site. While this may not prevent an offending person at the perimeter, if a “Defence in Depth” approach is taken then the offender won’t be able to breach the next barrier in the security design for that site. Printing out Photo ID cards of the user that are either separate or glued onto the access card is another cost effective measure that

door is left or propped open too long, it will register an alarm on the Security Management System Software. It is also possible for this alarm to be emitted locally at the door with an audible tone that notifies the person that the door is ajar. However technology is only as good as how it’s practiced so it’s pivotal to the EACS performance that policy and procedures for staff to follow are developed and widely communicated.

Policy and Procedures to Address Access Control Problems

can be implemented. Deploying other electronic security system such as CCTV at primary entry points of the premises could also be implemented. While this may not prevent the incident from occurring, the overt nature of the cameras may increase the perception of risk in the offender’s mind and cause them to rethink following the authorised person into the secure area. For high security environments such as Data Centres or Critical Infrastructure sites, personal interlock systems could be specified which only permit entry of one person at a time into a secure glass cylindrical door system where weight mats and biometric identification are used to identify the individual seeking access. Access controlled doors that have been left open is something that no security minded person likes to see. Typical EACS have numerous features and alarms available with the Door Open Too Long (DOTL) alarm being one of the more common ones. Basically if an EACS

The EACS needs to be used correctly or else the organisation won’t get the most out of their investment for the corporate security environment. A cohesive and stringent set of policies and procedures needs to be created and should address the following as a minimum: • How the EACS functions;

• How the EACS shall be used;

• How new access cards are created;

• How access cards are removed from the database; and • How the EACS benefits the company.

This set of documents is as fundamental as the EACS itself. The procedures should detail how the access cards are to be used and what the process is for obtaining and terminating the cards in various situations. In addition, how visitors and contractors are issued access cards and how these are returned is also a consideration to take into account. The overarching policy document needs to address the issues that were raised previously in this article, as well as other commonalities such as lost or stolen access cards. This policy needs to be

Conclusion

While the EACS is a necessary part of an organisation’ security posture, it can’t be relied upon as a sole means of protecting an organisation’s key assets of people, information and property. The EACS is more about convenience and revolves around the premise of legitimate people using the system. A strong security education and awareness program that is communicated to the company’s employees along with a set of policies and procedures that are reviewed regularly can go a long way to addressing the weak links that exist within any EACS. However, applying other security practices and measures in a layered approach to best protect an organisation’s vital assets from being compromised is still

About the Author

Daniel Rasins holds a Bachelor of Science (Security) degree and Graduate Diploma in Security Management from Edith Cowan University in Perth. He is an ASIS International Board Certified Physical Security Professional (PSP), and also a SCEC Security Zone Consultant specialising in providing electronic and physical protective security advice to a number of Government, Commercial and Infrastructure clients. Daniel has over 12 years’ experience in the security industry and is employed by AECOM Australia as Principal Consultant – Security & Risk in their Sydney office.

required to foster a positive culture of security within a company. *It should be noted that the views presented are those of the author only, and do not reflect the views of the company (AECOM Australia) or any other associates of the company (AECOM Australia).

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INNOVATION

communicated from senior management level all the way down to Contractor staff to help instil a positive security attitude across the company. It is imperative that the documents are not considered as “one-offs” and so they should be reviewed and updated on a regular basis by the nominated company representative, with input from management as required.

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The cool approach to Thermal Metering Brent Ladbrook I Aquip Systems

INNOVATION

ith increasing energy prices and trend towards user accountability and cost recovery there is a strong trend to metering energy consumption and flow on cooling and heating water circuits. With thermal energy consumption around the 50% of energy consumption in a commercial building there is growing interest in thermal metering and sub metering.

Common terminology

Some of the key terms related to thermal metering are • MPE – maximum permissible error

• A ccuracy – how close is the reported energy consumption to the actual consumption

• R epeatability – how regularly does the meter report the same number compared to the actual energy consumption • T urndown ratio - Ratio between maximum flow and minimum guaranteed accuracy

What standards do I reference?

There are currently no Australian Standards available on thermal meters and this also means that National Measurement Institute (NMI) approval is not available with the most commonly referenced standard being the European standard of EN1434. The best economically available class is class 2 which has a MPE of 2% for the meter as a system comprising of Calculator, Temperature probes and Flow part. EMPE = √(Ec2 + Et2 + Ef2) As per the above formula the uncertainties of the Calculator, Temperature probes and Flow part (flow meter) all carry the same weighting as part of the total MPE

Type of meters available

Meters fall into a couple of categories including mechanical and solid state. Mechanical meters such as paddlewheel or turbine, can be affected over time by scale build-up together with erosion and corrosion and trapping foreign material giving unreliable results and unknown uncertainties. Non mechanical meters such as Electro-magnetic and ultrasonic are typically far less prone to “drift” (movement away from actual volume) and are far more commonly used in thermal energy metering applications. Ultrasonic meters can be either inline or clamp-on. EN1434 approval is not available for clamp on meters however they are very useful on existing or larger pipes. It is common for Clamp on ultrasonic meters to be designed with EN1434 accuracy in mind.

the thermal energy consumption yourself as there are many pitfalls in doing so.

Communications

Before you consider what protocol you are likely to use, the type and frequency of the data required should be considered together with the use of the data. For example if the data is for billing then perhaps you only need to collect a total once a day but if it is for balancing and staging then perhaps you need near live data. On smaller sized meters the communications protocol is often a significant portion of the meter and integration cost. Common High Level protocols include BACnet, Modbus, LON and M-Bus. Others include analogue and pulse outputs however these should be avoided as they provide less data and can, particularly in the case of pulses be subject to data losses.

Installation locations

A thermal meter consists of three parts; the Calculator, Temperature probes and Flow part.

How do I size a meter?

Inline meters should be sized to the volume flow rate of the liquid in the circuit as this will give a far better turndown ratio (and zero cut off) than oversized meters. Under EN1434 there are standard volume flow rates that are expressed as Qp (Quantity permanent or permanent nominal flow rate) and for a circuit with a given flow rate, the next Qp up is usually the best selection for the meter ie. if the nominal flow rate for a circuit is 3.2m3/h then a Qp 3.5m3/h meter should be selected. Clamp on meters are sized to the pipe size alone.

Temperature probes

Temperature probes are often the most important part of the meter and these should be paired and matched with a calibration certificate covering the pair. Note that when you buy a thermal meter the temperature probes will typically be supplied as part of the meter. Avoid using existing probes as they are almost never paired and matched which can provide large uncertainties, particularly at low delta Tâ€™s.

Thermal Calculators

These should be supplied as part of the thermal meter and from the same manufacturer as the Flow part and the temperature probes. There are calculators available with various features and functions and options on communications modules. Avoid attempting to calculate

Fluid dynamics mean that nice straight pipe lengths provide the best installation location however this is not always possible. Definitely avoid installation closely downstream from valves and double bends. Check the manufacturer for best installation practices.

Meter maintenance

As there are no standards in Australia, maintenance is really up to the stakeholders to agree upon. Keep any certification that you are working too such as NABERS when considering maintenance intervals. For smaller meters it could possibly be cheaper to specify a replacement interval as opposed to a maintenance or validation interval.

About the Author

Brent Ladbrook has been involved with thermal energy metering and other instrumentation for over 8 years and in that time has been involved in numerous projects from selection of meters, selection of metering points through to installation of meters and commissioning. Brent is based in Sydney NSW with Aquip where his role is primarily focussed on Thermal Energy metering. brent@aquip.com.au +61 403 072 584