Big5 Geospatial Challenges to Geo Enable BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2
AccuracyBIM Level 0
Meta-data
Interoperability
Level of Detail
Generalisation BIM Level 2 Geo Enabled
RISK
COSTCLASH
REWORK
BIM Level 1
Quantitatively Managed
Quantitatively Managed
Defined
Defined
Managed
DELAY
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Accuracy - Andrew Evans
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Accuracy - Overview
Andrew EvansTopcon
Key Issues / considerations / challenges• Accuracy underpins traceability of BIM
process and decisions• Accuracy is understood by surveyors but it
needs to be communicated to People and Systems in BIM
Big5 Geospatial Challenges to Geo Enable BIM Level 2Accuracy – Maturity
Effort needed to support BIM Level 2
Stage 1Initial
Stage 2Managed
Stage 3Defined
Stage 4Quantitatively
Managed
Stage 5Optimising
Processes unpredictable,
Poorly controlled and reactive
Processes unpredictable,
Poorly controlled and reactive
Processes characterised for projects and is often reactive
Processes characterised for projects and is often reactive
Processes characterised for the organisation and is proactive
Processes characterised for the organisation and is proactive
Processes measured
and controlled
Processes measured
and controlled
OptimisationOptimisation
UK BIM Here
Geo Enabled
Big5 Geospatial Challenges to Geo Enable BIM Level 2Accuracy – Road Map
Required here Backlog
“BIM Maturity Model” , Mark Bew and Mervyn Richards ©
What are the
Challenges ?
Big5 Geospatial Challenges to Geo Enable BIM Level 2Accuracy – Actions
Headline Action Opportunity Required Engagement
Carry out a controlled test Internal
Carry out a survey Internal
Collate existing forum/group activity Internal
Collate existing standards Internal
Create internal workgroup solution / proposal Internal
Join and influence existing forum/ group External
Produce case study Internal
Produce guidance Internal
Set challenge for software house External
Develop a detailed Road Map Internal
Yes
Yes
Yes
Yes
Yes
Yes
Big5 Geospatial Challenges to Geo Enable BIM Level 2Accuracy – Action Who/What first ?
Priorities for call to action
1. Establish internal group to define best standard for consistent accuracy unit
2. Work with OGC to establish common approach to accuracy meta-data and attribution
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Meta Data – Mark King
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Meta Data - Overview
Mark KingLeica
Key Issues / considerations / challenges• Lack of understanding and use of metadata
standards within the BIM industry
• Current metadata standards, such as Gemini v2.2, may not be suitable / enabled for use with survey and Survey4BIM
Big5 Geospatial Challenges to Geo Enable BIM Level 2Meta Data – Maturity
Effort needed to support BIM Level 2
Stage 1Initial
Stage 2Managed
Stage 3Defined
Stage 4Quantitatively
Managed
Stage 5Optimising
Processes unpredictable,
Poorly controlled and reactive
Processes unpredictable,
Poorly controlled and reactive
Processes characterised for projects and is often reactive
Processes characterised for projects and is often reactive
Processes characterised for the organisation and is proactive
Processes characterised for the organisation and is proactive
Processes measured
and controlled
Processes measured
and controlled
OptimisationOptimisation
UK BIM Here
Geo Enabled
Big5 Geospatial Challenges to Geo Enable BIM Level 2Meta Data – Road Map
Required here Backlog
“BIM Maturity Model” , Mark Bew and Mervyn Richards ©
What are the
Challenges ?
Big5 Geospatial Challenges to Geo Enable BIM Level 2Meta Data – Actions
Headline Action Opportunity Required Engagement
Carry out a controlled test Internal
Carry out a survey Internal
Collate existing forum/group activity Internal
Collate existing standards Internal
Create internal workgroup solution / proposal Internal
Join and influence existing forum/ group External
Produce case study Internal
Produce guidance Internal
Set challenge for software house External
Develop a detailed Road Map Internal
Yes
Yes
Yes
Yes
Yes
Big5 Geospatial Challenges to Geo Enable BIM Level 2Meta Data – Actions
Priorities for call to action
1. Assess the details, feasibility and suitability of Gemini as a common standard as well as gap analsysis to upgrade if appropriate
2. Become involved with the BSI IST36 Standards Committee which is about to begin an assessment of the Gemini standard for a planned release of v2.3 in early 2016
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Interoperability – Mark Lawton
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Interoperability - Overview
Mark LawtonSkanska
Key Issues / considerations / challenges• Different file formats exchange capability
Degradation of data and inability to add data.
• Different coordinate system translationThe technology of the capture device as evolved faster than the knowledge of the user.
Big5 Geospatial Challenges to Geo Enable BIM Level 2Interoperability – Maturity
Effort needed to support BIM Level 2
Stage 1Initial
Stage 2Managed
Stage 3Defined
Stage 4Quantitatively
Managed
Stage 5Optimising
Processes unpredictable,
Poorly controlled and reactive
Processes unpredictable,
Poorly controlled and reactive
Processes characterised for projects and is often reactive
Processes characterised for projects and is often reactive
Processes characterised for the organisation and is proactive
Processes characterised for the organisation and is proactive
Processes measured
and controlled
Processes measured
and controlled
OptimisationOptimisation
UK BIM Here
Geo Enabled
Big5 Geospatial Challenges to Geo Enable BIM Level 2Interoperability – Road Map
Required here Backlog
“BIM Maturity Model” , Mark Bew and Mervyn Richards ©
What are the
Challenges ?
Big5 Geospatial Challenges to Geo Enable BIM Level 2Interoperability – Actions
Headline Action Opportunity Required Engagement
Carry out a controlled test Internal
Carry out a survey Internal
Collate existing forum/group activity Internal
Collate existing standards Internal
Create internal workgroup solution / proposal Internal
Join and influence existing forum/ group External
Produce case study Internal
Produce guidance Internal
Set challenge for software house External
Develop a detailed Road Map Internal
Yes
Yes
Yes
Yes
Yes
Big5 Geospatial Challenges to Geo Enable BIM Level 2Interoperability – Action Who/What first ?
Priorities for call to action
1. Set a challenge to the software houses
2. Produce self driven case study with impact assessment (i.e. rail alignment) on the same challenge
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Level of Detail – Martin Penney
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Level of Detail - Overview
Martin PenneyTechnics
Key Issues / considerations / challenges• Variance in Definitions
• Graphical representation of as-built data is not the same as design representation
Big5 Geospatial Challenges to Geo Enable BIM Level 2Level of Detail – Maturity
Effort needed to support BIM Level 2
Stage 1Initial
Stage 2Managed
Stage 3Defined
Stage 4Quantitatively
Managed
Stage 5Optimising
Processes unpredictable,
Poorly controlled and reactive
Processes unpredictable,
Poorly controlled and reactive
Processes characterised for projects and is often reactive
Processes characterised for projects and is often reactive
Processes characterised for the organisation and is proactive
Processes characterised for the organisation and is proactive
Processes measured
and controlled
Processes measured
and controlled
OptimisationOptimisation
UK BIM Here
Geo Enabled
Big5 Geospatial Challenges to Geo Enable BIM Level 2Level of Detail – Road Map
“BIM Maturity Model” , Mark Bew and Mervyn Richards ©
What are the
Challenges ?
Required here
Big5 Geospatial Challenges to Geo Enable BIM Level 2Level of Detail – Actions
Headline Action Opportunity Required Engagement
Carry out a controlled test Internal
Carry out a survey Internal
Collate existing forum/group activity Internal
Collate existing standards Internal
Create internal workgroup solution / proposal Internal
Join and influence existing forum/ group External
Produce case study Internal
Produce guidance Internal
Set challenge for software house External
Develop a detailed Road Map Internal
Yes
Yes
Yes
Yes
Yes
Yes
Big5 Geospatial Challenges to Geo Enable BIM Level 2Level of Detail – Action Who/What first ?
Priorities for call to action
1. Identify which Industry groups & forums lead this development & current standards
2. Setup a workgroup within the survey community to address the geospatial concerns impacted by variances of LoD definition
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Generalization – Simon Navin
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Generalisation - Overview
Simon NavinOrdnance Survey
Key Issues / considerations / challenges• The representation of 2D/3D data while
maintaining geometric integrity and recognisable context
• The capability of the user to recognise and interpret generalised data and utilise it accordingly
Big5 Geospatial Challenges to Geo Enable BIM Level 2Generalisation – Maturity
Effort needed to support BIM Level 2
Stage 1Initial
Stage 2Managed
Stage 3Defined
Stage 4Quantitatively
Managed
Stage 5Optimising
Processes unpredictable,
Poorly controlled and reactive
Processes unpredictable,
Poorly controlled and reactive
Processes characterised for projects and is often reactive
Processes characterised for projects and is often reactive
Processes characterised for the organisation and is proactive
Processes characterised for the organisation and is proactive
Processes measured
and controlled
Processes measured
and controlled
OptimisationOptimisation
CAD Here
GIS Here
CGI Here
Big5 Geospatial Challenges to Geo Enable BIM Level 2Generalisation – Road Map
“BIM Maturity Model” , Mark Bew and Mervyn Richards ©
Required here
What are the
Challenges ?
Big5 Geospatial Challenges to Geo Enable BIM Level 2Generalisation – Actions
Headline Action Opportunity Required Engagement
Carry out a controlled test Internal
Carry out a survey Internal
Collate existing forum/group activity Internal
Collate existing standards Internal
Create internal workgroup solution / proposal Internal
Join and influence existing forum/ group External
Produce case study Internal
Produce guidance Internal
Set challenge for software house External
Develop a detailed Road Map Internal
Yes
Yes
Yes
Yes
Yes
Yes
Big5 Geospatial Challenges to Geo Enable BIM Level 2Generalisation – Action Who/What first ?
Priorities for call to action
1. Collate available standards from Industry and Professional organisations and BIM software vendors on how they currently support generalisation
2. Identify and engage 3D specialists outside of the direct construction community who specialise in generalising data for visualisation, gaming etc……
3. Determine use cases and examples of outputs generalized for user benefit – and end user services – (interpretable, safe decisions, good service- branding of generalised services (which may be products but may be broader)
Big5 Geospatial Challenges to Geo Enable BIM Level 2
Next Steps – What do you think
Geo Enabling BIM Level 2
Big5 Geospatial Challenges to Geo Enable BIM Level 2Actions – Summary – What next / first
Headline Action Opportunity AccuracyInteropera
bilityMeta Data
Level of Detail
Generalisation
Resource Support
Carry out a controlled testYes Internal
Carry out surveyYes Yes Yes Internal
Collate existing forum/group activity
Yes Yes Yes Internal
Collate existing standardsYes Yes Yes Yes Yes Internal
Create Internal Workgroup Solution / Proposal
Yes Yes Yes Yes Internal
Join and Influence existing forum/ group
Yes Yes Yes Yes External
Produce case studyYes Internal
Produce GuidanceYes Yes Yes Internal
Set challenge for software house
Yes Yes External
Develop a detailed Road MapYes Internal
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