buildingSMART Data Dictionary, OmniClass, and Open Standards-Based BIM...
Transcript of buildingSMART Data Dictionary, OmniClass, and Open Standards-Based BIM...
Course Description As they design and construct buildings, professionals need to work in an interoperable fashion with each
other. But how do different software applications talk to each other? And to a product database? Or a
specification system? How can a designer be sure that the engineers understand the attributes attached
to his design? Or that product searches yield reliable results?
The buildingSMART Data Dictionary is a catalog of object names (the ‘vocabulary’) with the capacity to
comprehend multiple languages and alternate terminology in dealing with those objects, and to relate
those objects to properties and other data that can be used to describe those objects, providing a
common way of viewing a construction project or asset. The Data Dictionary fits into the suite of Open
BIM standards provided by buildingSMART International that are the universally accepted methodology
for interoperable model and data exchanges.
The Data Dictionary is based on a concept laid out in in an ISO standard -- 12006-3: 2007 (Building
construction: Organization of information about construction works, Part 3: Framework for object-oriented
information). Through the Data Dictionary, an open BIM model can be linked to data from many sources,
improving interoperability and paving the way for analysis and design checks from the early stages of the
project through the full life cycle.
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Learning Objectives At the end of this program, participants will be able to:
1. Identify what the buildingSMART Data Dictionary is.
2. Understand how OmniClass and the Data Dictionary are related and work together
3. Understand the latest developments in OmniClass
4. Identify how the buildingSMART Data Dictionary may be used in a BIM project.
5. Understand the concept of an open BIM and the role that the buildingSMART Data Dictionary plays in an open BIM.
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buildingSMART Data Dictionary,
OmniClass, and Open Standards-Based BIM:
Tools for Collaboration
Greg Ceton, CSI, CDT Director of Technical Services, CSI
703-706-4723 [email protected]
May 22, 2014 2014 CSC Conference
Kitchener, ON
Current BIM Usage in Canada
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Source: Digicon / IBC National BIM Survey 2013 Survey Results
Topics • Problems to be solved • What is bSDD?
– Current initiatives
• What is OmniClass? – Plans for the future
• How are they used?
Image courtesy of Mortenson Construction
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First: What is buildingSMART? • buildingSMART International (bSI) is a neutral,
international not-for-profit supporting the worldwide use of openBIM
• The key elements of bSI work: – tools and standards enabling use of common terminology – developing an 'open' file format for storing data – creating processes and protocols for sharing information – certifying compliant software applications
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buildingSMART Standards
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IFC Model – create a comprehensive information
specification
Data Dictionary – uniquely identify properties and
objects / dynamically extend the IFC model
Exchange Requirements - IDM – define information requirements and
rules for particular business processes
Product Room Members
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Product Room Steering Committee members:
The Problem • Control of name space – users identify objects
differently – firms, disciplines, regions, languages • Result: DISCONNECTS • How to resolve?
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• Option 2: buildingSMART Data Dictionary (bSDD)
– Pro: Machine enabled, allows for use of natural language variations
– Con: Requires implementation in software
Currently best, most scalable and consistent solution to this common problem
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The Solution?
What is the buildingSMART Data Dictionary?
• An open library of object types (concepts, properties, standards, etc.) used in the building industry
• A web service for establishing relations and accessing uniquely identified content
• Works with IFC and IDM
• Based on ISO 120006-3:2007
• Owned and operated by bSI with participation from organizations and chapters around the globe
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In a briefing document
Properties
In product catalogues
Properties
In classification systems
Properties
In building specifications
Properties
In a calculation system
Properties
In a Facility management system
Properties
In IFC
Properties
In a CAD system
Properties
buildingSMART Data Dictionary
Properties
bSDD as a Mapping Mechanism
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bSDD as connecting element
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bSDD Example
Door in buildingSMART Data Dictionary GUID (distinguish this concept from other concepts) Names (IFCDoor, many synonyms, infinite languages) Description (a narrative definition, one per language) Relationships to other objects:
Specialization (Fire doors, wood doors, etc.) Composition (door sash, door hinge, etc.) Properties (swing side, insulation value, IsExternal, etc) Classifications (MasterFormat 08 10 00, UniFormat B2010, etc.)
Physical Door
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Product Type in buildingSMART Data Dictionary
Hand of door
Width
Height Material
Surface finishing Color Hinge
Thickness
+
Right
890 millimeter 2090 millimeter MDF
Painted NCS S0502
2465 snap-in
92 millimeter
Instance of Product Data in another Database
=
bSDD as a Type Library
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Context
‘Property’ of the creator
Access restrictions
Consists of a set of relationships
Gives a specific data view
Filter
Examples of contexts:
NL-SfB
NEN 2767
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bSDD Current Content 20.000 objects
Subjects Activities Actors
85.000 names Long names Short names
21 languages International English Norwegian Dutch Japanese Chinese IFC …
6.000 properties IFC PSets
3.000 values
Objects in total
Properties
Values
Relationships
Names
Descriptions &comments
60.000 relationships
Specialization Properties Values Documents Components interaction
40.000 documents Reference documents Classification - OmniClass
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bsdd.buildingsmart.org
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bSDD Pilot Project • Commenced in 2012 • Product Room resolution: “…formation of a small pilot project to add, review, and assess the current tools for entering product attributes into the bSDD. “ • The following countries have been actively involved:
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US
SE
NO CA UK
FR DE IT
OmniClass™
So what is OmniClass?
→15 table faceted classification system
→In development since 2001
→North American in focus
→Designed to classify concepts in all types of construction through the full facility life cycle
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OmniClass™ and bSDD • Advantages to OmniClass from bSDD
and vice versa – bSDD provides context and relationships
to OmniClass classifications – OmniClass will provide means to organize
and analyze bSDD content – OmniClass will help introduce and
promote bSDD to users in US and Canada – bSDD helps introduce and promote
OmniClass outside US and Canada
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Why Classification? Classification Uses:
– Storage – Retrieval – Analysis – Presentation
Classification’s value comes from the order it provides to information – the “human-facing side of BIM”
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Classification Basics →Classification is the grouping of like
concepts and their arrangement into a hierarchy – broader concepts (parents) to narrower concepts (children)
→Two basic types:
Enumerative Faceted
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Enumerative Classification All concepts are arranged in a single hierarchical listing
→More traditional and common (Dewey Decimal, Library of Congress)
→Considered easier to use →Fundamentally “flat” architecture →More prone to conflict →Less flexible
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Enumerative Classification
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Image courtesy http://biologicalexceptions.blogspot.com/2012/08/lions-and-tigers-and-ligers-oh-my.html
Faceted Classification Concepts are arranged in multiple parallel hierarchies that view the subject area from a variety of perspectives or “facets”
→Individual tables tend to be smaller and simpler
→Multi-table architecture makes it far more useful in databases
→Far more flexible →Less prone to conflict →Less commonly used →Sometimes difficult for users
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Faceted Classification
PARENT CONCEPTChild Concept
Child of Child ConceptChild of Child ConceptChild of Child ConceptChild of Child Concept
PARENT CONCEPTChild Concept
Child of Child ConceptChild of Child ConceptChild of Child ConceptChild of Child Concept
PARENT CONCEPTChild Concept
Child of Child ConceptChild of Child ConceptChild of Child ConceptChild of Child Concept
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Object
Classification Tables
Materials Table
Rubber
Shape Table
Ball
Color Table
Red
Object = Red Rubber Ball
OmniClass in bSDD
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NS3457 (NO) 7 Health facilities 71 Hospitals 713 Regional hospitals
New Ahus Regional Norwegian
public university hospital
total floor area of 140,000 m2
Concept Example Uniclass (UK) D4 Medical, health, welfare facilities
D41 Medical facilities (hospitals) D412 District general hospitals
CI-SfB (NL) 4 Health, welfare facilities 41 Hospital facilities 411 Teaching hospitals
DBK 2006 (DK) N Treatment, care NA Treatment of illness NC Nursing NAB Treatment building NCE Bedward
Eurostat CC (EU) 1 Building 12 Non residential 126 Public entertainment, education, hospitals 1264 Hospitals, ints. care buildings
Bygg.kl.94 (SF) F Buildings for institutional care F21 Health care buildings F211 General hospital
SSB Kartverket (NO) 7 Health facilities 71 Hospitals 719 Hospitals
OmniClass (US and Canada) 11-21 00 00 Health Care Facility 11-21 12 00 Hospital
BCA (AU) Class 9a A health-care building, including those parts of the building set aside as a laboratory.
BKI (DE) 3000 Gebäude des gesundheitswesens 3200 Krankenhäuser, universitätskliniken
BE PBL (NO) Risk Fire: ???? Energy use: Hospital Control class: Hospital
Forsvarsbygg EBA (NO) 30 Medical services
Mapping Across Classification Systems
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11 Const. Entities by Function 12 Const. Entities by Form 13 Spaces by Function 14 Spaces by Form 21 Elements – (UniFormat) 22 Work Results –
(MasterFormat) 23 Products
31 Phases 32 Services 33 Disciplines 34 Organizational
Roles 35 Tools 36 Information 41 Materials 49 Properties
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OmniClass Tables:
- Balloted through NBIMS-US v2.0 - Balloted through NBIMS-US v3.0 - To be Balloted for a future version of NBIMS-US
11 Const. Entities by Function 12 Const. Entities by Form 13 Spaces by Function 14 Spaces by Form 21 Elements – (UniFormat) 22 Work Results –
(MasterFormat) 23 Products
31 Phases 32 Services 33 Disciplines 34 Organizational
Roles 35 Tools 36 Information 41 Materials 49 Properties
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OmniClass Tables:
buildingSMART and other references →OmniClass is an NBIMS-US Reference
Standard →OmniClass also referenced by:
→Information exchanges: →COBie →HVACie →Sparkie →WSie
→buildingSMART Data Dictionary →Aligned with National Information Exchange
Model (niem.gov)
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OmniClass Review Cycles
Table reviews scheduled to take place in each alternating OmniClass development cycle. Reviews may be shifted between scheduled cycles as needed.
• Review Cycle 1 (2012-2014, 2016-2018) – Tables 13, 23, 31, 32, 36, 49
• Review Cycle 2 (2010-2012, 2014-2016) – Tables 11, 12, 14, 33, 34, 35, 41
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OmniClass Status • 2012-2014 Review Cycle underway • Working Groups:
– Spaces (Tables 13 – Spaces by Function and 14 – Spaces by Form)
– Products (Table 23) – Activities and Process (Tables 32 – Services, 36 –
Information, and 35 – Tools) • Much content being added • Review Cycle scheduled to complete in June 2014
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Looking Ahead
→New version of OmniClass website in beta now, intended outcomes: – Web services for software – More formats for table distribution – Easier participation for current and new ODC members
http://beta.omniclass.org (still many broken links on site, but please visit)
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Using OmniClass
OmniClass Beta Site
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OmniClass Beta Site
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OmniClass Beta Site
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OmniClass Beta Site
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OmniClass Beta Site
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OmniClass Beta Site
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Your Next Steps • Make the decision to implement and promote use of
open standard based BIM • Join CSC, buildingSMART Canada, CSI, or bSA • Stay informed through
http://www.buildingsmartcanada.ca/ www.buildingsmartalliance.org and www.buildingsmart.org
• Join the OmniClass Development Committee www.omniclass.org [email protected]
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Thanks Greg Ceton, CSI, CDT
CSI Director, Technical Services 703-706-4723 [email protected] @gceton twitter.com/gceton www.linkedin.com/in/gceton/
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csinet.org csc-dcc.ca www.buildingsmart.org www.omniclass.org www.buildingsmartalliance.org
bsdd.buildingsmart.org www.buildingsmartcanada.ca