BIM and GIS for the Built Environment · Agenda • The Lab – goals • BIM and GIS – how they...
Transcript of BIM and GIS for the Built Environment · Agenda • The Lab – goals • BIM and GIS – how they...
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BIM and GIS for the Built Environment Lifecycle standard as an integrating framework
Dr Väino Tarandi Professor, KTH, Royal Institute of Technology, Stockholm
Stockholm 2016-05-19
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Agenda
• The Lab – goals • BIM and GIS – how they integrate • Integration of actors, processes and information
o Standardization o Collaboration o Concepts, topology and life cycle o Heterogeneous models
• Standards o IFC – buildings, alignment, roads, bridges, …. o PLCS – life cycle support
• Applying PLCS o Import of multiple heterogeneous models o Export of selected parts
• Case studies / experiments • Conclusions
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The Lab
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Source: Pouryia Parsanezhad, KTH
Sustainable Urban Collaboration Hub - SUCH
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Purpose, goals and challenges (Lab)
The main purpose with establishing the BIM Collaboration Lab is to perform advanced research and development on through life support
• The vision of the unbroken information-flow when using BIM and GIS
• open data – i.e. o Computable o Object oriented, structured o Understandable – common concepts! o Standardized – international if possible
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BIM (Building Information Model / Modeling) Building Information Modeling (BIM) is defined as a technology to create, communicate and analyse Building Information Models (BIM).
BIM, what is that?
BIM Handbook, second edition, Chuck Eastman, et al., John Wiley (2011)
• Building models contain digital objects representing buildings and infrastructural complexes with related spaces, building elements and components.
• The objects can be associated with computable geometry, spatial information, data attributes and parametric rules.
• The digital objects contain data that describe all relevant characteristics for analyses and work processes needed to perform controls and simulations of the functions and processes of the represented construction entities over their whole lifecycle. (Eastman, et al. 2011, p 16).
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Information for a building element
IfcWall: Basiswand:MW 17.5:98046 GUID: 3G_7N62zbD$BUYR_Q8WHAt
Identification (and Classification) Locations
Properties
Geometry Relations
Documents(link)
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Why standards? - Rates of Change
Life of CAD System: 10 years
Time between CAD Versions: 6 months
Life of Computer: 3 years
Life of Operating System: 18 months
Life of Product: 70 years + time
3. Our view on Req Mgmt, CM and PLM
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Collaboration - Principles
� Single system environment + Configuration management, tracing, etc − High initial cost − No room for best of breed − Impossible to impose in collaboration
� Separate systems joined in point-to-point transfer + Low initial cost for integration + Best of breed system selection − Impossible configuration management, tracing, etc − No information control and assurance − High cost of ownership
� Separate systems joined in via information hub + Configuration management, tracing, etc + Low initial cost + Information control and
assurance also across the EE + Best of breed system selection
Std-format
Std-format
Source: Tarandi, V., 2010, http://www.inpro-project.eu/publications.asp
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Building Information Modelling
1 2 3
Data creation Data exchange Data management
0
Object-based Model-based
Network-based
Source: Bilal SUCCAR, Building Information Modelling Framework
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Digital Storage - IFC
Building Information Model “open BIM”
(ISO 16739)
Interoperability through standards
Source: buildingSMART, http://www.ifd-library.org
PLCS (ISO 10303-239) CityGML LandXML
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Lifecycle + breakdown with topology
Through life support (incl. versioning) [PLCS ISO 10303:239] Product breakdown
[ISO 12006-2]
Life cycle phases
Objectified topological relation (with effectivity)
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Common concepts
Ifc, simple ifcXML, LandXML
LandXML
XML….
Ifc, simple ifcXML
Net-work ISO 191xx
based (NVDB, Inspire,
etc.)
Through Life Support - PLCS
XML….
Integration of standards for buildings and infrastructure
InfraGML Alignment
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Heterogeneous data models mapped to PLCS
Alignment Road, Railway Bridge
Infr
aGM
L
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» ISO 16739:2013 − Building element − Material − Property − Geometry − Placement
Using PLCS and IFC (& more)
» ISO 10303-239 − Change Management − Versioning − Consolidation − Requirement − Product as realized − Maintenance
PLCS IFC
Other domain specific stds - LandXML. CityGML, …
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openBIM
» No single software can manage all the necessary information » For information sharing open standards and standardized
interfaces are needed » IFC is today the only available open and international
standard for BIM
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IFC2x3 Geometry (explicit)
B-rep CSG
Geometry (Sweep) volume - extrusion, rotation areas - extrusion, rotation
Topology element connectivity, schematic design
Building Elements Walls, Openings, Doors Roofs, Stairs, Ramps, etc.
Spaces and Spatial Structure
Space Building Storey Building Building Site
Relations between Building Elements
Wall Connections Holes Chases Zones
Site and Terrain Model
Site Site attributes
Source: buildingSMART, http://buildingsmart.be.no:8080/buildingsmart.com/organization
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Product Life Cycle Support (PLCS) Introduction
»A joint industry and government initiative to accelerate development of new standards for product support information »An international project to produce an approved ISO standard within 4 years
− Commenced November 1999 − PLCS, Inc closed down 2004 − Standard published in 2005
»PLCS will ensure support information is aligned to the evolving product definition over the entire life cycle »PLCS extends ISO 10303 STEP - the STandard for Exchange of Product model data
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C O P Y R I G H T E U R O S T E P G R O U P
The PLCS way: PDM core (from STEP) » Notions
− Product: » A “thing”, something to
manage » Product / version / definition
The Product i.e. the thing to manage
Its version(s) The context/view (displipline + life cycle stage)
Product_view_definition
Product_version
Product
Wall 231 v1 “Architecture Design”
v2 “Architecture Design”
“Structural Design”
Ex: The Wall with the identifier 231 has 2 versions v1 and v2. V1 exists in the architure design view, v2 exists in the architecture design and structural design views
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C O P Y R I G H T E U R O S T E P G R O U P
The PLCS way: PDM core (from STEP) » Notions
− Assembly / structure / breakdowns − Effectivity controlled
Product_view_definition
Product_version
Product
• Assembly relationships in PLCS are subtypes of view_definition_ relationship. This enable to define assembly in the context of a view.
• In this example, the version v1 of the Wall 231 is nested by the version v2 of the Opening ABC in the “Architecture Design” view
• If we now assign an effectivity on the assembly relationship, we can control the validity of this structure.
• It could be a proposed start date to indicate a proposal.
View_definition_relationship
Wall 231
Opening ABC
“Architecture Design”
“Architecture Design”
Assembly_usage can be classified as
“IfcRelNests” for instance
v1
v2
rela
ting
”par
ent”
Effectivity start_date (end_date)
Dated_effectivity
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The PLCS high level model
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VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
BR
IEFS
&
SPEC
IFIC
ATIO
NS
R 2
R1
R4
R3
Req
Requirement Function Zone Physical
Element System
• R1: Productivity • R2: Low Energy Consumption
• R3: Equipment Energy Consumption • R4: Heating Energy Consumption – 90 [kWh/m2]
Share-A-space (PLCS)
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
SYSTEMS ENGINEERING
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Req
Share-A-space (PLCS)
• R2: Low Energy Consumption • F3: Ventilation • Vent1: Ventilation system
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
CAD CAD
NEUTRAL FORMAT (IFC)
2D
DR
AWIN
GS
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Build A
Floor A:2
Floor A:1
Room 1
Wall 2
Wall 1
Slab 2
Slab 1
Door 1
Req Proj 1 Walls
Slabs
Type
Share-A-space (PLCS)
• Building A: Import of Arch early design • Slabs: Import of Structural early design
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
CAD CAD
NEUTRAL FORMAT (IFC)
2D
DR
AWIN
GS
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Build A
Floor A:2
Floor A:1
Room 1
Wall 2
Wall 1
Slab 2
Slab 1
Door 1
Req Proj 1 Walls
Slabs
Type
Share-A-space (PLCS)
CONSTRUC- TION & FM
Individual
IFC
++
DO
CU
MEN
TS
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Build A
Floor A:2
Floor A:1
Room 1
Wall 2
Wall 1
Slab 2
Slab 1
Door 1
Req Proj 1
Slabs
Type
Share-A-space (PLCS)
Individual
LINKING REQUIREMENTS TO DESIGN
• Linking R4: Heating Energy Consumption – 90 [kWh/m2] to Room 1
Walls
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Build A
Floor A:2
Floor A:1
Room 1
Wall 2
Wall 1
Slab 2
Slab 1
Door 1
Req Proj 1 Walls
Slabs
Type
Share-A-space (PLCS)
Individual
SIMULATIONS • Climate and Energy simulation
Energy= 87
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Requirement Function Zone Physical
Element System
VIEWER & CHECKER (Solibri Model Checker)
DECISIONS LOGGING & TRACKING
R 2
R1
R4
R3
Func
F2
F1
F4
F3
Sys
Stru 1
Vent1
Hor 1
Vert 1
Build A
Floor A:2
Floor A:1
Room 1
Wall 2
Wall 1
Slab 2
Slab 1
Door 1
Req Proj 1 Walls
Slabs
Type
Share-A-space (PLCS)
Individual
VALIDATION • R4: Heating Energy Consumption – 90 [kWh/m2]
Energy= 87
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Mapping of instances of data model X to PLCS and linking them to existing structure
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Standardized interfaces
Train
Mate Train
Mate System B System A System C System D System X System E
Business processes
Information systems
Information modells
Information BIM Coll Hub data
Document
Mgmt System
BIM Collaboration Hub
Reference
database
Portal
City Block Building Room Road .....
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Case studies / experiments
• The BIM Collaboration Hub is now built to support collaboration research based on both input from academia and industry.
• Experiments will be used to simulate a situation where organizations collaborate with integrated lifecycle support.
• First tests of experiments have been carried out
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IFC
IFC
LandXML
LandXML
Swedish Road and
Railroad Network std
Swedish network std
All geometry mapped to IFC/STEP-std
Solibri Model Checker
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Detailed Designed Building Roof Version 1
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Detailed Designed Building Roof Version 2
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Planned construction
Klick on figure for video
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Master Thesis 2015 - Eskilstuna
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From the Municipality
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Analyses
Teknisk analys » Hur kommuner kan effektivisera detaljplaneprocessen med
hjälp av Share-A-space och integrerad information » Fördelar med att kunna se hur området förändras över tid
Social analys » Underlätta social analyser i kommunal planering genom att
integrera information i Share-A-Space och göra kopplingar som i ett tidigare skede indikerar eventuella risker och kritiska aspekter.
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The Munktell city
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Links and nodes
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Structures in the city
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Extra material – a short animation
Klick on figure for video
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Conclusion
• These slides present the functionalities of the recently developed BIM Collaboration Lab at KTH
• It proposes a collaboration model for sustainable information practices
• The whole built environment will be in the scope of the lab research, and use cases / experiments supporting new processes will be identified.