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Open BIM Standards in 2015

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Susan Keenliside

on 26 November 2015

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Transcript of Open BIM Standards in 2015

Data Model
Data Dictionary
Standardizing the language or taxonomy to be used
Processes...errr, transactions
Who, what, when...the key is the touch point
(in terms of standardization)
Standards Triad
Tools that Enable open BIM
Creating a Culture that is open
Can be the greatest enabler OR barrier to industry-wide changes

Education & Awareness
The Road to a better built environment...
BIM is not the end-goal, but a means to an end.
Standards play a vital role in this journey.
Open BIM

Some Facts and Fallacies
Recognized subject matter expert (SME) on building information modelling (BIM), with over 10 years of BIM experience
Has followed the growth of BIM use around the world while specializing in
strategy development and
implementation of BIM
standards and guidelines content through
end-user engagement.
She operates a BIM consultancy, S8 Inc., delivering advisory-level SME services to public and private sectors and educational institution clients.
Support for open standards through buildingSMART initiatives have factored into many of her activities. Susan currently serves as:
Canadian chapter user representative to buildingSMART International (bSI)
Co-lead for the BIM Guides Project
Member of the bSI User Certification workgroup,
Delegate to the bSI Standards Committee
International User Group / UserCom representative
buildingSMART Canada (bSC) Operations Committee member
Interim Chair, bSC Education Committee
Chair, BSC member community
Canadian delegate to ISO TC59/SC 13 with attention focused on Terminology and Business Strategy task groups

BIO: Susan Keenliside
Birgitta Foster
March 2015
Would you ask your baggage handler to pack your bags?

Specifying an IFC deliverable…

Not enough information!
Seeing this a lot in US…. UK doing great job defining their information requirements.

For More Information:
Thank You
Are you playing your part?
What's in the package?
Fact or Fallacy?
IFC is the first data model open standard ever developed within the industry.
There are quite a few ISO standards related to BIM including one for industrial facilities - ISO 15926 (2003).

CIS/2 was adopted for the steel industry in 1998. Today, IFC is used with CNC to drive robotic fabrication machines, eliminating the shop drawing phase altogether.
Fact or Fallacy?
Open standards are required to achieve a common language.
Dictionaries, Ontologies,
Semantics, Yippee!
Fact or Fallacy?
Open standards for BIM support data inputted once and used many times.
However, open data standards need to be coupled with documented business processes to define how information will flow from one task to the next and what information exchanges are in play.
Fact or Fallacy?
COBie is not part of the IFC schema; it's an intermediate step that needs to be coordinated separately.
IFC is a data schema, COBie is an information exchange. The data elements in COBie have a mapping to IFC so it is IFC compliant - it uses IFC data elements.
Fact or Fallacy?
IFC "models" cannot act as contractual mechanisms.
Although there are very few cases worldwide where IFC model(s) have been used as a legitimate contract mechanism, IFC is a well documented ISO standard (soon to be CEN standard as well).

Current software options are likely not mature enough for this purpose, and you would need an MVD to specify the
model view. Some work, yes,
but totally feasible.
Fact or Fallacy?
Open standards for BIM are going to solve all of industry's problems.
BIM should be seen as a catalyst for the transformation of industry into modern digital and collaborative ways of working.
Fact or Fallacy?
It is realistic that industry achieve one open standard for all.
This might be the overall desire or vision, but it is practically impossible. This is not a problem as long as we make sure that even though we may have several standards, they are aligned and compatible to each other. This actually gives a touch of flexibility to the development of standards (in terms of schedule, content, certification etc.).
Fact or Fallacy?
Autodesk does not have a good history in supporting open standards.
Autodesk was one of the founding visionary members of the Alliance for Interoperability in 1994 where the IFC schema began.

IFC was published as ISO 16739:2013 and Autodesk as well as many other software vendors support the standard.

The solution is proprietary, but the
result is kind of open.
Fact or Fallacy?
An open standard for BIM, although a good idea, will never be practical.
Already in use, and continuing to gain in importance and acceptance as the way forward, in many parts of the world.
Fact or Fallacy?
BIM is a new idea and we need to wait and see if it will be important in the future.
Although the term BIM is relatively new, the concept has been around for more than three decades as Building Product Models. Not only do we live in a connected, data-rich digital world, but availability of data and information is growing at a rapid rate, and people are using this data and information in all sorts of evolving tools
and platforms.
Fact or Fallacy?
There is great financial incentive to use open BIM standards.
When information is standardized, the cost of getting information and making quotes is greatly reduced.

There is no single software package on the market that can do everything.

Moreover, you should always be able to use the best tool for the job.
Fact or Fallacy?
IFC does not support A or B, so I cannot use it.
Perhaps your software does not support the entire IFC data model, but most likely A or B is supported in the IFC model.

If not, perhaps it is possible to dynamically add that support with bSDD. If you need both A and B and IFC supports only A, you still get B.

Is the cup half full
or is it half empty?
Fact or Fallacy?
IFC will ensure the longevity of data.
Fact or Fallacy?
Information is lost through the export process.
Yes, this is true. The question is, do we need the information that is lost? IFC does not replace the proprietary formats, it gives an extra level to data exchange. It makes collaboration possible with systems that wouldn't work together at all.
The IFC schema, over proprietary data formats, will ensure the longevity of data and has buy-in from major public owners around the world - hence it is not going anywhere anytime soon...
Fact or Fallacy?
Reaching industry-wide consensus on open standards is critical.
There are a lot of standards that have been developed that no one uses.

It is important to demonstrate a consensus agreement to use a standard. It is then that the risk has been lowered sufficiently for software vendors to develop the tools to support the implementation of the standard.

A bit of chicken and egg game, but
one that is manageable.
Fact or Fallacy?
Open standards only benefit the government.
The fact is open standards benefit any organization with a large portfolio of real property assets.

And since most of the government work is performed by private A/E firms and contractors, agreeing on standards has a very broad base of influence. After firms use open standards for government work, they are more likely to use them on
private sector work.
Fact or Fallacy?
The government should pay for industry's transition to BIM.
Fact and Fallacy
BIM benefits the industry in many ways...the transition should mostly be paid by the industry.

Government should finance the standards (methods, processes and data structures).

1. Avoid the situation of having several standards (created by the industry);
2. BIM gives great benefits to the common economy and government as well.
The End of Babel
Credit: Leif Granholm
20 years later and still relevant
IFC = Industry
Foundation Classes
bSDD =
Data Dictionary
Passport Analogy
Credit: Havard Bell
March 2013
Model View
IE =
Framework for

(name changed
to bSDD circa
2010 (Part 1)
2012 (Part 2)
"Open BIM"
-supports a transparent,
open workflow
-creates a
common language
enduring project data
for use through the asset lifecycle
-small and large (platform) software
can participate
-energizes the
online product
supply side (queries and direct data link)
BIM is about sharing data that is
Thank You to those who contributed to the "Facts and Fallacies" content of this presentation:
Al Douglas
Deke Smith
Erik Poirier
Havard Bell
Tomi Hentinnen
Full transcript