successful 12km tunnel inspection at duge pumping station
TRANSCRIPT
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June 2019:
Successful 12Km tunnel inspection at Duge pumping station
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Project Engineer Project Manager Technical Support Manager
Technical Manager Asset Manager General Manager
Diving Supervisor ROV Supervisor ROV Pilots
Background
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ROV Pilots
Project Engineer
Project Manager
Technical Support Manager
Technical Manager
Asset Manager
Diving Supervisor
General Manager
Work Class ROV Systems
Resident Remote Controlled Systems
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Design Criteria – Development of tunnel Survey ROV
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Range Dimensions Infrastructure Risk
15 000 m Light weight
Small dimensions
Battery powered Specialisation
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Product
NOTUS ROV
ROV 700Kg
Controlroom 700Kg
Battery 20Kwh
Fibercable 15Km
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SaurdalPurpose: Verification of known rockslide
Conclusion: Rockslide identified 1300m from shafthouse.
Time-consume: 4 h in tunnel- 24 h mob/demob 8
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DugePurpose: Inspection of sandtraps and potential rockslide
Conclusion: No major irregularities found
Time-consume 14 h in tunnel- 48 h mob/demob9
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360 Degrees Sonar-Live & post porcess
Profiling Sonar
Postion Data
Visual/Video10
Data
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Open Platform –Technology & Competence conversions from O&G subsea