Big data on crossrail

Management of monitoring data on Crossrail, London

1. Big Data on Crossrail John Brzeski, CH2M Hill 15 th June 2016, BGA Annual Conference

2. Crossrail

3. The data I&M 100,000 sensors Up to sub-hourly readings InSAR 850,000 Reflectors 6 readings per quarter Construction Data TBM, SCL, grouting, excavations, piling, dwalls 200,000 separate events Asset Information Utilities, buildings, structures 16,000 assets Approx. 1billion records Mapping Aerial Images

4. Is this Big Data? 1 billion readings Sensors, satellite monitoring, building information, construction events Generated at max frequencies of 1 reading every 15 minutes Erroneous values common in I&M Decision making tool for construction process control 5 V’s Volume Variety Velocity Veracity Value

5. A word (or two) on data format

6. Data veracity Knocks ! Spikes ! Gaps/Noise ! Too much !

7. . Initial implementation 13000 files per day 2000 downloads a day 500 plots a day

8. What next? Value Design Academic Research Future Projects Construction Control Stakeholder Assurance Data Management Damage Assessments

9. Thank you. Questions? [email protected]