Overview of Submarine Cable Route Planning & Cable Route ...

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Route Survey Data Sets Data Data is collected along a narrow strip of seabed, typically 500m to 3 x water depth wide and includes: Bathymetric data –seabed topography Sonar imagery data –seabed surface features Sub‐bottom profiling data – shallow sub surface soil profile Burial assessment data –mechanical properties of the seabed soils within the planned burial profile (typically 1m to 3m) Geophysical Geophysical and soils data usually only collected where cable protection by burial is planned typically up to a maximum water depth of 1,000m; rarely up to 2,000m Only Only bathymetric data collected in deep water
Multibeam Bathymetry Bathymetry and co‐ located back‐scatter data Digital data output can be rapidly processed and analysed Data used to develop seabed terrain model Resolution of multibeam systems is altitude dependant
Page 1 and 2: Overview of Submarine Cable Route P
Page 3 and 4: Concept to Reality -Key Phases Deve
Page 5 and 6: Permitting & Impact on Project Prog
Page 7 and 8: Available Planning Tools GIS Datab
Page 9: Planning Tool Applications Route p
Page 14 and 15: Pre Survey Desktop Study Output fr
Page 16 and 17: The Route Survey Provides informat
Page 20 and 21: High Resolution in Shallow Water
Page 22 and 23: Deep water data Philippine Trench m
Page 24 and 25: Side Scan Sonar Imagery
Page 26 and 27: Gravity coring Cone Penetrometer T
Page 31 and 32: UNCLOS -Provisions & Application C
Page 33 and 34: Cable Route Surveys Why this activi
Page 35 and 36: Permits Program Impacts & Consequen
Page 37: Questions & Clarifications Question

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