acquisition, analysis and advice on underground …...factual data geotechnical site investigation...
TRANSCRIPT
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Acquisition, Analysis and Advice on underground infrastructure
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Our planet is extremely complex and continuously changing
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And what does Fugro do?
Where
What
How
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Access and understanding geo-data is the key to design, build & operate any structure
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Geophysical data
Metocean data
Geodynamic data Geotechnical data
Geochemical data
Geospatial data
Geohazard data
Global positioning data
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Understanding the complexity of the earth is essential
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Expertise from 200 tunnelling projects in 66 countries
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The impact on bottom line project result
CONSTRUCTION PROJECTS UNDERPERFORMING SITE INVESTIGATION IMPROVEMENTS
Typically 10 % contingency, little time to identify overall risk
Subsurface has a large impact (up to 25% of project result)
Global problem
Low adoption rates of new technology
New developments always under time pressure
KMPG Global Construction Survey 2015, Gupta/EC and Fookes
Pre-feed SI only 10% being used for RFQ, not re-used for final FEED
Techniques used not optimal, split by procurement
Improve scope, adjust scope or iterate
Too little attention for dynamic ground component
Sole focus on CPT/Drill logs, no full coverage (geophysics)
Wrong interpretation or available information not fully utilized
DOHA Metro
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Factual data Geotechnical site investigation
Scale 1 km tunnel 1.8 mln m3 subsurface impact
hydrology is > 10 x
< 100 m3 soil volume investigated
Agile Iteration and detail
Field Lab Baseline report
Interpretations and advice: deal with known unknowns…
FEHMARNBELT Submersed Tunnel, Germany
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Dynamic ground behavior
• Independent data acquisition
• Intensive monitoring (1 bn. measurements / month)
• Soil structure interaction
• Validation of design assumptions
• Mitigate ground risk
“Gaia Insight allows us to get fast, real time insight at any wanted moment. In addition, insight is provided in the influence of our construction works on the adjacent environment. Literally at a glance, we can check and validate if we are in control. Project Manager, Rotterdamse Baan.
Rotterdamsebaan Bored Tunnel – The Hague
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Actionable Intelligence
• The use of algorithms and decision support
• Real time risk register
• Factual reporting vs key decision KPIs
• Validation of design assumptions
“In the engineering for such works as tunnels, many variables, such as the degree of continuity of important strata or the pressure conditions in the water contained in the soils, remain unknown. Therefore, the results of computations are not more than working hypotheses, subject to confirmation or modification during construction.” Karl von Terzaghi
Rotterdam CS Kruisplein Parking and underground space
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Our strategy is based on 3 objectives
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1. Capture the upturn in Energy & Infrastructure
2. Differentiate by integrated digital solutions
3. Leverage core expertise in new growth markets
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Differentiate through digital solutions=changing the way we work
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Resulting in differentiating value propositions
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SCALE
From detail
To 3D comprehensive overview
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Next step Digital platform, crowd sourcing
and open development