Key Elements of the BIM Information Delivery Cycle
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Information requirements
Employer’s information
requirements EIR
Other Information
requirements
Information Requirements
BIM Maturity levels
Master Information
Delivery Plans (MIDPs)
Information overview
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Common Data Environment
Definition
Data Exchange
LOD
References
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Level 1
At this level participants use
both 3D CAD and 2D drafting.
Data Sharing is facilitated via
Common Data Environment
(CDE) usually managed by the
contractor.
Example: The architect to
designs the project and
extracts the deliverables, for
the contractor to prepare the
construction site.
Copyright : Arcadis
1
BIM Maturity Levels
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Level 3
All the participants work
simultaneously on the same
digital model, hosted on a
centralised server accessible in
real time by all project
participants with the distinct
access rights. The design is
concurrent and collaborative.
It is also known as Open BIM
3
BIM Maturity Levels
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Master Information Delivery Plans (MIDPs)
What is MIDPs?
The MIDP includes all the information deliverables of the
project and their delivery schedule. It represents a
comprehensive list of all the project models, drawings,
renditions, specifications, reports, equipment,
schedules, datasheets, etc.
Click on the image to watch the video
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Data Exchange
How does a CDE work?
Access Protocols
CDE enables every participant access to
the platform in order to share their
documents and models.
CDE is facilitated by an online server or,
more frequently, it is cloud based.
Data security is guaranteed by operating
an account based system.
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Data Exchange
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What does it look like?
Account based access
This access method enables allocating different levels of
access to different users. The Information Manager
controls the kind of operations that any particular user
can do to any of the folder’s content.
For example : an Architect can see and download
elements in the «Structural» folder, but cannot edit the
content!
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Data Exchange
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Clash detection
This is a critical part of the integrated BIM process.
Clash detection identifies where the different
disciplines’ models clash with each other – finding
where elements from one model overlap the
elements of others.
Clash detection ensures every aspect works hand-in-
hand and nothing is incompatible.
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Data Exchange
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To do Lists
Communication is at the heart of the BIM process.
CDE enables users to directly communicate with
relevant members of the team.
Most of the CDE features also allow the possibility to
create «Tasks» and «To do lists». This informs other
users of tasks they may need to do as well as giving
them an indication of the percentage of work being
completed.
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LOD 100 // Sketch Design
The duct is represented by a single line, its primary function
being to transport air from point A to point B.
LOD 200 // Schematic Design
The duct is represented by a duct with a diameter and a
generic material
LOD 500 // Existing Design
The duct is represented by the existing model of duct and
contains information specific to the operation of this
equipment (date of last maintenance, comments and
observations, etc.).
LOD 300 // Detailed Design
The duct is represented by a duct with a precise diameter
and material, we also know the flow rate that would pass
through it.
LOD 400 // Specified Design
The duct is represented by a duct of which the exact
brand and model is known. This model can also be
supplied by the duct manufacturer.
LOD 100 LOD 200 LOD 300 LOD 400 LOD 500
LOD Example
Content
• Expectations of the client: goals
and ways of using BIM in the
project
• Technical, functional and
commercial requirements
applicable to the project
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Employer's Information Requirements - EIR
Technical Management Commercial
•
Software platforms
•
Data exchange format
•
Co-ordinates
•
Level of detail (general)
•
Level of detail
(components)
•
Training
•
Standards
•
Stakeholder roles and responsibilities
•
Planning the work and data
segregation
•
Security
•
Coordination and clash detection
process
•
Collaboration process
•
Model review meetings
•
Health and safety and construction
design management
•
System performance constraints
•
Compliance plan
•
Delivery strategy for asset information
•
Timing of data drops
•
Clients strategic purpose
•
Defined BIM/project
deliverables
•
BIM-specific
competence assessment
Source : https://bimportal.scottishfuturestrust.org.uk/level2/stage/2/task/8/create-the-employers-information-requirements
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overview
Used References
www.sibim.eu
• Construform, PowerPoint presentation « Les enjeux du BIM » made in collaboration between IFAPME (Paul Wagelmans , Denis de Backer, Christophe Olivier Chartier,
Frédéric Verdin, Jean-Paul Dusart), le Forem (Natalie Crucifix, Cathy Tilmant, Laurent Challe, Marco Falcinelli), EMEC (Sophie Schröder) , Olivier Blareau (Group Level)
et Catherine Bartholomé : https://liege.formation-construform.be/formation/les-enjeux-du-bim-enseignement
• Belgian Building Research Institute (www.cstc.be), « BIM – Starter Pack Version 1 DRAFT », December 2020.
• Belgian Building Research Institute (www.cstc.be), Contact – Le numérique pour tous,
https://www.cstc.be/homepage/download.cfm?lang=fr&dtype=bbricontact&doc=Contact_fr_01_2017.pdf
• Belgian Building Research Institute (www.cstc.be), BIM & ICT, https://www.bimportal.be/fr/
• CRTI-B, BIM Application Guide Luxembourg: http://www.digitalbuilding.lu/content/1-guide-application-bim/Guide-BIM-Luxembourg__v1-0-EN.pdf
• Building Smart France MediaConstruct, https://buildingsmartfrance-mediaconstruct.fr/
• Objectif BIM, http://www.objectif-bim.com/
• HexaBIM, https://www.hexabim.com/
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