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What is Building Information
Modelling (BIM)?
There are many definitions of what BIM is, but at its core
BIM is:
‘…a managed approach to the collection and
exploitation of information across a project.’
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The BIM Process
1 Process for data management (BS 1192/PAS 1192)
2 A method for housing the data (BIM software model)
3 A method for distributing the data (COBie + other
documents)
From inception to demolition
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So why all the fuss now?
Government will require fully collaborative 3D BIM (with
all project and asset information, documentation and
data being electronic) as a minimum by 2016.
Levels of maturity
BIM Level 2
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‘Refined’ definition of Level 2 BIM
“The seven pillars of (BIM) wisdom”
1. PAS 1192-2
2. PAS 1192-3
3. BS 1192-4 (available Autumn 2014)
4. BIM Protocol
5. GSL (Government Soft Landings)
6. Digital plan of work
7. Classification
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TSB competition
Digital Plan of Work
Classification system
Digital presentation tool
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PAS 1192-2:2013
PAS 1192-2:2013
Specification for information
management for the
capital/delivery phase of
construction projects using
building information modelling
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Information in PAS 1192-2:3013
Fundamental principles for Level 2 information
management
Plain Language Questions (PLQ)
Employers Information requirements (EIR)
BIM Execution Plan (BEP)
Project Implementation Plan (PIP)
Master Information Delivery Plan (MIDP)
Task Information Delivery Plan (TIDP)
Project delivery team roles, responsibilities and authority
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PAS 1192-3:2014
PAS 1192-3:2014
Specification for information
management for the operational
phase of assets using building
information modelling
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Overview of information
management in PAS 1192-3
Organizational information requirements (OIR)
“data and information required to achieve the organization’s
objectives”
Asset information requirements (AIR)
“data and information requirements of the organization in relation to
the asset(s) it is responsible for”
Asset information model (AIM)
“data and information that relates to assets to a level required to
support an organization’s asset management system”
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PAS 1192-3 Asset
PAS 1192-2
Project
ModelsRequirements
Relating the PAS 1192-2 and 1192-3
components
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BS 1192-4
BS 1192-4:2014
Collaborative production of
information
Part 4: Fulfilling employers
information requirements using
COBie – Code of practice
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Contents of draft BS 1192-4
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Business process
5 Purposes
6 Management and quality criteria
7 Execution
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Building Information Model (BIM)
Protocol
“The Protocol identifies Building
Information Models that are required
to be produced by members of the
Project Team and puts in place
specific obligations, liabilities and
associated limitations on the use of
the models. The Protocol can also
be used by clients to require the
adoption of particular ways of
working – such as the adoption of a
common naming standard”
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Building Information Model
(BIM) Protocol
1. Definitions
2. Priority of contract documents
3. Obligations of the Employer
4. Obligations of the project team
member
5. Electronic data exchange
6. Use of models
7. Liability in respect of a model
8. Termination
Appendix 1: Levels of detail and the
model production and delivery table
Appendix 2: Information requirements
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GSL (Government Soft Landings)
Soft Landings
“…a form of graduated
handover for new and
refurbished buildings, where
the project team is
contracted to watch over the
building, support the
occupant and to fine-tune
the building’s systems for up
to 3 years post-completion.”
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Government Soft Landings (GSL)
GSL
– Taken the principles of Soft Landings and developed it for use
within its own procurement strategy
– Differences – the use of metrics to demonstrate compliance
with the stated project outcomes
– Four focus areas:
1. Functionality and effectiveness - buildings designed to meet
the needs of the Occupiers; effective, productive working
environments
2. Environmental – meet Government performance targets in
energy efficiency, water usage and waste production
3. Facilities Management – a clear, cost efficient strategy for
managing the operations of the building
4. Commissioning, Training and Handover – projects delivered,
handed over and supported to meet the needs of the End Users
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Classification
Classification
Searching for like ‘things’ in a
model
Combining models as all ‘things’
are consistently classified
Enabling the aggregation of like
‘things’ in a model for the
purposes of measurement,
purchasing, maintenance, etc
A common language for all people
constructing and managing assets
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Example: Classification in a hospital FM
environment
Classify four ways:
Spaces – every space is classified
Activities – all the activities which can be carried out within each space are
classified
Systems – the systems serving each space are classified
Objects – the objects belonging to each system are classified
In the event of chiller failure:
The spaces served by the chilled water system can be identified
The activities affected within those spaces can be identified
The objects in the rest of the system(s) can be identified
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….so if you meet the requirements set out
in these seven components, then you will
be Level 2 BIM compliant.
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The potential
Strip the waste from processes. Achieved by sharing
information…. To enable right first time installation and
operation that meets the needs of the users
Information about the use of the building which is
informative to the operators
Better buildings, with clear operational efficiencies and
the best whole life value
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BIM in Operations
The majority of operaters, owners and occupiers (69.0%)
recognise that BIM will become increasingly important in
day-to-day working practices within the next 2-3 years (if
it is not already).
BIM is definitely here to stay and is growing in
importance
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Potential for Operations
FM engaged at start of construction projects with supply
chain considering client input
User focus during the construction process
Competitive advantage in the FM supply chain
Clear understanding of operational risk
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How it fits…
BS 1192-4
BIM Protocol GSL
Digital plan of work
Classification
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BIM Summary
1. What? a managed approach to the collection and
exploitation of information across a project.
2. Why? Government will require fully collaborative 3D BIM
(Level 2) as a minimum by 2016.
3. How? UK Government’s BIM Level 2 requirement by use
of seven components (pillars).
4. Potential….There is a huge potential, particularly for
operators
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Thank you
Sarah Birchall sarah.birchall@bsria.co.uk
Jo Harris jo.harris@bsria.co.uk
Editor's Notes
What we will cover in this presentation
The term ‘BIM’ is everywhere in construction at the moment, it’s the latest hot topic.
Almost every article you read has a different definition of what BIM is, many focusing on the 3D model produced in Revit or other proprietary software products. However, I think most parties will agree that, at its core, BIM can be described as:
‘…a managed approach to the collection and exploitation of information across a project’
Not just about the 3D model….although that is part of it.
In essence BIM is a process, with 3 basic functions:
A method for organising and naming the data
A method for housing the data – more often than not this will be some BIM software
A method for distributing the data
It’s about making the important data available from inception to demolition.
BIM isn’t new. This philosophy has been in use since the 1980s, on a number of high profile projects.
If BIM has been around for so long, why all the fuss now?
Government will require fully collaborative 3D BIM (with all project and asset information’ documentation and data being electronic) as a minimum by 2016.
Government talks about BIM in terms of maturity. This 2016 milestone is what we call Level 2 BIM.
As a consequence of ongoing development of the processes and tools available, and feedback from early adopter projects and other industry experience, the Government has recently refined its definition of Level 2 BIM as consisting of these seven components.
The first five are either already available, or are due to be published shortly. The preparation of the last two are the subject of a Technology Strategy Board-funded competition (which I will go onto talk about in a minute),
The refining of the UK Government’s BIM Level 2 requirement by use of these seven components is an important step forward. This gives the clarity the industry has been asking for and, once the final two components are available, will enable it to develop a robust and effective response.
(BS 1192-4 = COBie)
Digital Plan of Work and Classification are seen as the two missing pieces of the BIM Level 2 jigsaw, and are the subject of a Technology Strategy Board-funded research project due to deliver in March 2015 by RIBA Enterprises. The Functional Specification – A digital tool for building information modelling for the project defined the two elements as follows:
The Digital Plan of Work – an industry standard method of describing geometric, requirements and data deliveries at key stages of the project cycle
Classification – a structured and standardised information classification system
The competition is for the delivery of these final two elements, together with a web based tool to enable the distribution of the related information.
After these last major building blocks are finalised , it will enable the adoption and practice of full Level 2 BIM throughout the construction industry.
PAS 1192-2:2013 builds on the processes described in BS 1192:2007, and introduces new concepts such as employer’s information requirements (EIR) – the employer’s expression what information they require from the project and the format it should be in, and BIM execution plans (BEP) – the supply chain’s response to the EIR showing how it will meet its requirements.
PAS 1192-3:2014 takes the processes described in earlier 1192 publications and develops them for use in the operational life of assets. In turn, this leads to the use of new concepts such as organizational information requirements (OIR) – the information which the organisation needs to know in order to run the business, the asset information requirements (AIR) – the information the organisation needs about the asset it is responsible for, and the asset information model (AIM) – the information or data set which describes the asset.
This is an important document for the FM industry as it sets out the need for comprehensive and accurate information, the AIM, which can be used as the basis for all asset-related decision making. However, it also requires that the AIM is kept up-to-date to accurately reflect the status of the asset.
BS 1192-4 will define expectations for the exchange of information throughout the lifecycle of an asset, and will include requirements for reviewing and checking for compliance, continuity and completeness. COBie is the UK Government’s chosen information exchange schema for federated BIM Level 2, alongside graphical BIM models and PDF documents.
The Government has decided that the method of delivering the data to them from the BIM model will be a simple spreadsheet format – COBie. It collects the data from within the model and displays it in a series – around 700 – tables.
Typical data includes information on the type and location of objects and elements.
Draft index of BS 1192-4 is as shown. The final version is expected to be available in Autumn 2014.
The BIM Protocol was published by the CIC in February 2013
The BIM Protocol identifies building information models that are required to be produced by the project team and puts in place specific obligations, liabilities and associated limitations on the use of those models. The protocol can also be used by clients to require the adoption of particular ways of working – such as the adoption of a common naming standard.
Conditions
Soft Landings is a form of graduated handover for new and refurbished buildings, where the project team is contracted to watch over the building, support the occupant and to fine-tune the building’s systems, for up to three years post-completion.
The link with the Soft Landings process and BIM is that data gathered during the operational phase of an asset can be very important in helping to shape project needs through effective EIRs. It is vital that the way the asset is used and maintained is considered during the briefing and design process – ‘start at the end to inform the start’ is a phrase that gets spoken a lot in construction these days and is a very apt one in this context.
The UK Government has taken the principles of Soft Landings and developed it for use within its own procurement strategy. This particular version has been termed Government Soft Landings, or GSL, and its key objective, as stated in The Government Soft Landings Policy – September 2012, is:
“Aligning the interests of those who design and construct an
asset with those who subsequently use it”
Although the GSL process generally follows the Soft Landings methodology described by the Usable Buildings Trust (UBT) and BSRIA, it differs in one very significant way – the use of metrics to demonstrate compliance with the stated project outcomes. GSL identifies the following four focus areas where measurements, key questions and outputs have been identified along the project timeline:
1 Functionality and effectiveness - buildings designed to meet the needs of the Occupiers; effective, productive working environments
2 Environmental – meet Government performance targets in energy efficiency, water usage and waste production
3 Facilities Management – a clear, cost efficient strategy for managing the operations of the building
4 Commissioning, Training and Handover – projects delivered, handed over and supported to meet the needs of the End Users
The policy states that an inherent part is the need to set performance targets, validated throughout the design stages and evaluated post occupancy as the building comes into use. It requires that any such evaluation should be carried out for the first three years of occupancy to ensure not only that the building is optimised to meet the needs of the end users, but also as a valuable source of feedback to inform decision making on future projects. It can also act as a mechanism for assessing the performance of the project team in delivering the objectives of the brief.
As I said earlier this is the subject of the TSB competition and is due for completion n March 2015. A Digital Plan of Work (dPoW). The dPoW should define the deliverables required at each stage of the design, construction, maintenance and operation of built assets. The dPoW should be made available digitally to enable simple access to all stakeholders to make use of the system to give clear definition as to what geometry, data and other information should be delivered at each of the eight stages of a project (APM 0-7). Essentially it is about the data and information needed at what work stage and from who.
As mentioned earlier, a standardised method of ‘naming’ files and objects needs to be determined in order to make best use of the data throughout the life of the project.
Classification system is the other missing component to enable Level 2 BIM and is the subject of the TSB competition which requires: A standardised classification system should be developed to ensure that data is able to be indexed and structured to make it easily accessible in a common format. The classification system should be digitally-enabled, so that it integrates with the Digital Plan of Work. This should include digital capabilities including extensive search and analytics to assist classification and to identify Digital Plan of Work activities and deliverables as well as more traditional functions such as taking off, costing and benchmarking.
Example in building context. You can classify in 4 ways – space, activities, systems and objects. Using such classification, in the event of a chiller failure you know what space is affected, what activites that happen in that space are affected, the systems serving that space and objects belonging to that system.
So how can you achieve BIM level 2………. follow what is set out in the 7 pillars
BIM has the potential to
enabling buildings and other assets to be used and maintained efficiently.
BIM, if successfully implemented on a new build or refurbishment project, will help organisations
This benefits the facilities managers’ with a
This majority view reinforces the message that building managers, owners and occupiers recognise that
During BSRIA work on PAS 1192 3 we identified a need for organisations to start by setting their information requirements – without this direction any information provided from a construction project through the EIR’s has the potential to not provide the information the occupier needs – and that is one of the challenges for any constructor delivering a BIM project.
There is so much potential in the FM market to get better integrated and provide a useful input to construction projects.
The better information provided gives the operator a clear understanding of operational risk. Understanding how the occupiers are using the building and what the systems are able to provide.
So a final slide which draws from a diagram we put together for pas 1192 3 showing part 2 and 3 as jigsaw pieces in the life cycle of a building shown by the blue circle. Its all held together with an organisations plan for the facility and their strategy for asset management.
It all