guidance part d developing - uk bim framework · 2021. 6. 8. · bs en 17412-1 guidance part d bs...
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Guidance Part D – Developing
information requirements
Marzia Bolpagni David Churcher
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David ChurcherDirector, Hitherwood Consulting
Author, ISO 19650-1 and ISO 19650-3Co-editor, UK BIM Framework Guidance
UK BIM Alliance Ambassador
Information Requirements
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Information has to be produced for a reason• It is a valuable commodity in its own right• It takes time and costs money to generate
Information is for a purpose
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Information requirements specify what is wanted• Many different information
receivers• Business, asset management
and project delivery perspectives
• Translation/re-statement from strategic to high-level to detailed
• Line of sight from each detailed requirement to a higher-level purpose
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Summary of information requirements
IR Scope When (examples) Who (examples) How
OIR Strategic organisation-wide need for information
Board meetings, statutory returns, strategic reviews
Finance, compliance, CSR, production, operations
Stakeholder interviews, workshops
AIR Asset-level (building, road, pipeline, etc)
Annual reports, strategic reviews, major trigger events
Asset managers, operations directors
Corporate schedule (tailored per asset)
PIR Project-level (new-build, refurbishment, extension)
Key project decision points (governance gateways)
Project sponsors, project managers, investment directors
Corporate schedule (tailored per project)
EIR (operational and delivery)
Contractual obligations within each project or asset appointment
Trigger events and project decision points
Project and asset managers, package managers
Schedule of what information, how much detail, delivery milestones
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Reduce embodied and operational CO2 by 40%by 2030
Example cascades of information requirements
OIR
AIR
EIR(Operational)
PIR
EIR(Delivery)
Annual asset operation CO2 reportReplacement equipment selected for CO2 reduction
Embodied CO2 analysis showing reductions for new projects
Annual CO2 report by in-house sustainability teamEach equipment requisition to include CO2 assessment
Design consultants and contractors to include CO2 data on all approval submissions
Support local workforce
80% of sub-contract value with firms within 30 mile radius of site
Contractor to provide s/c location report at milestones 4, 5, 6
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EIRs – the what and the when
Supported by asset/project-wide information resources
Exchange Information Requirements- information requirements- level of information need
- acceptance criteria, supporting information- date(s) for requirement to be met
OIR, AIR, PIR
Information delivery
milestones
Information standard
Information production methods
and procedures
Reference information and shared resources
...
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Structured and unstructured information – detail can be specified independently via the level of information need
Geometrical information
E.g. 3-d model with embedded object
data
DocumentationE.g. scanned
certificate, site photos, reports
Alphanumerical informationE.g. COBie
spreadsheet, sensor data
stream
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Timing of information exchanges relative to project stages or trigger event completion
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Development of information requirements has to be led by the project client or the asset owner/operator (appointing party in ISO 19650)
Each information requirement needs to be in enough detail so that the person setting it can judge whether the information supplied in return is acceptable
It is vital to avoid gaps and duplications between sets of exchange information requirements, which will introduce risk and cost to the project/asset management and the lead appointed parties
Information requirements - summary
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Level of Information Need
Dr. Marzia BolpagniSenior BIM Advisor
Mace
m_bolpagni
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Level of Information Need
PROVIDE THE RIGHT INFORMATION TO THE
RIGHT ACTOR AT THE RIGHT TIME
WHY IS IT IMPORTANT?
AVOID WASTE
ENABLE AUTOMATIC COMPLIANCE
CHECKINGIcons made by pixel perfect, Eucalyps, phatplus, Freepik from www.flaticon.com
m_bolpagni
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A framework to define the quality, quantity and granularity of information requirements.
DEFINITION
Level of Information Need
m_bolpagni
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WHAT IS NEW?
Pre-requisites including the Purpose
Level of Information Need
LOD 1, 2, 3..
LOI 1, 2, 3 ..
Level of Information Need
m_bolpagni
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BS EN ISO 19650-1BS EN ISO 19650-2BS EN ISO 19650-3
REFERENCES
BS EN 17412-1Guidance Part DBS EN ISO 19650
www.ukbimframework.org
m_bolpagni
Co-Author
Emma Hooper
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REFERENCES
www.ukbimframework.org
m_bolpagni
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Cost Analysis
Thermal Design
IfcCostValueIfcCostScheduleIfcCostItemIfcMaterial…..
Information is required to fulfill a purposeDifferent purposes might require different information deliverables Therefore:Different purposes might require a different level of information need
Level of Information Need
m_bolpagni
CoolingDesignAirflowHeatingDesignAirflowTotalHeatGainVentilationAirFlowrate…..
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WHO DEFINES IT?
Appointing party
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Lead Appointed Party
Level of Information Need
m_bolpagni
Everyone who is defining information requirements
Appointed Party
Lead Appointed Party
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WHEN IS IT DEFINED?
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Level of Information Need
m_bolpagni
Every time an information requirement is established
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Level of Information NeedBS EN 17412-1
m_bolpagni
HOW TO DEFINE IT?
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Level of Information Need
PURPOSEINFORMATION
DELIVERYMILESTONE
ACTOR OBJECT
WHY WHEN WHO WHAT
IfcBeamIfcColumn
IfcCovering
IfcDoor
IfcFlowTerminal…
Ro_10_10_50 Manager
Ro_10_20_15 Client advisor
Ro_10_40_74 Safety manager
Ro_30_10_22 Cost consultant
11/05/2020
Example of implementation
Pre-requisites
Model Uses TableBIM Excellence Initiative
m_bolpagni
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Information Delivery Milestone: Preliminary DesignPurpose: VisualizationActor: Lead appointed party — Architect• Object: “Site”
• Geometrical information: Not requested• Alphanumerical information:
• Identification: Site type• Information content: Address, geo-location, …
• Documentation:• Set of documents: Survey drawing
• Object: “Wall”• Geometrical information:
• Detail: Simplified volume representation including openings
• Dimensionality: 3D• Location: Absolute• Appearance: Realistic with texture of materials• Parametric behaviour: Not requested
• Alphanumerical Information: Not requested• Documentation: Not requested
• Object: “Window” …..
WHEN
WHY
WHO
WHAT
LEV
EL O
F IN
FOR
MA
TIO
N N
EED
LEV
EL O
F IN
FOR
MA
TIO
N N
EED
Example of implementation
m_bolpagni
WHAT
WHAT
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KEEP IN MIND
Level of Information Need
Level of Information Need is NOT the same of Level of Definition
You cannot define the Level of Information Need without defining the Pre-requisites first, especially the Purpose
You should NOT abbreviate «Level of Information Need»
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Level of Information Need framework includes: Geometrical Information, Alphanumerical Information and Documentationand concepts and principleas are defined in BS EN 17412-1
m_bolpagni
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EIR - Example
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Example
m_bolpagni
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EIR- Example Database
m_bolpagni
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EIR- Example Database
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Q&A
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Webinars – today and tomorrow
Today
• 14.00 Part C – Facilitating the common data environment
Tomorrow
• 12 noon Part E – Tendering and appointments
• 14.00 Part F – Information delivering planning
https://www.ukbimalliance.org/events/
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Website: https://ukbimframework.org/standards-guidance/
Email: [email protected]
Twitter: @UKBIMFramework
Guidance Feedback: [email protected]
More information