hydrofest 2015 offshore survey overview...hydrofest 2015 the hydrographic society in scotland...
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HYDROFEST 2015
The Hydrographic Society in Scotland
Offshore Survey Overview
![Page 2: HYDROFEST 2015 Offshore Survey Overview...HYDROFEST 2015 The Hydrographic Society in Scotland Presentation Overview 1. Survey team members 2. System checks 3. Project Mobilisation](https://reader036.vdocument.in/reader036/viewer/2022063004/5f782088f965e05b062ae5d1/html5/thumbnails/2.jpg)
HYDROFEST 2015
The Hydrographic Society in Scotland
Presentation Overview
1. Survey team members2. System checks3. Project Mobilisation4. Project familiarisation5. Record Keeping/Data Acquisition6. Communication7. Deliverables
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HYDROFEST 2015
The Hydrographic Society in Scotland
1. Survey Team Members
• Party Chief• Overall in charge of all survey operations• Responsible for work scope completion and deliverable creation
• Senior Surveyor• Oversee operations• Support Party Chief
• Online surveyor• Responsible for data acquisition and real-time data QC• Coordinate survey operations during live operations
• Data Processor• Post -processing of acquired data• Generation of project deliverables
• Survey Engineer• Electronics and IT installation maintenance• Support online operations
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HYDROFEST 2015
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2. System Checks• Mobilisation checklist• Offset Survey• Calibrations• Mobilisation report• Vessel Setup Document
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HYDROFEST 2015
The Hydrographic Society in Scotland
2. System Checks
Mobilisation Checklist• Planning and
execution with a checklist
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HYDROFEST 2015
The Hydrographic Society in Scotland
2. System Checks
Vessel Offset Survey• Creating a Vessel
Reference Frame• Defining Orientation• Defining Horizontal
Datum• Defining Vertical
Datum• Creating Vessel
Offset Diagram
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HYDROFEST 2015
The Hydrographic Society in Scotland
2. System Checks
Calibrations• Define Rotation
Conventions• DGNSS• Gyrocompass• MRU• USBL• ROV Sensors
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HYDROFEST 2015
The Hydrographic Society in Scotland
2. System Checks
Mobilisation Report• Scope of Work• Safety Requirements• Equipment and Summary of Activities• Equipment Configuration• Geodetics• Offsets• Calibrations• Appendices
o Calibration Reportso Calibration Certificationo Vessel Configuration Diagramso Vessel/ROV Offset Diagrams
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HYDROFEST 2015
The Hydrographic Society in Scotland
2. System Checks
Vessel Confiuration Document• History of the Vessel
o Vessel Offsetso Vessel Surface Positioning Systemso Vessel Heading and Attitude Systemso Vessel Subsea Positioningo ROV Sensor Configurationo Online Survey Configurationo Offline Survey Configurationo Network Setupo General Vessel Informationo Appendices
o Calibration Reportso Offset diagramso Sensor calibration Certficationo Network Diagrams
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HYDROFEST 2015
The Hydrographic Society in Scotland
3. Project Mobilisation
• Vessel Inductions• Equipment Delivery• Equipment
Testing/Checking (Mob Checklist)
• Vessel Sensor Interfacing
• Vessel Sensor Calibrations & Verifications
• ROV Sensor Interfacing
• ROV Sensor Calibrations
• Mobilisation Report
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HYDROFEST 2015
The Hydrographic Society in Scotland
4. Project Familiarisation
• HIRAs• Kick-off Meetings• Project Procedures
• Ensure understanding of project in hand • Complete project specific checks and
compliance measure• Standard Procedures• Field Layouts• Work packs• Tolerances• Expected Deliverables
• Listings, reports, charts
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HYDROFEST 2015
The Hydrographic Society in Scotland
5. Record Keeping and Data Acquisition
• Online Survey Logbook• Competent summary of operations• Can be a crucial post-job document
• Engineering Logbook• Summary of vessel set-up• Log of changes made to hardware
configurations• Daily Project Reports (DPRs)
• Formal summary of daily opera• Folder Structures
• Standard structure employed• Compliance with data management policies
• Data Storage/Mirrors• Target Zero for data loss• Critical aspect of all operations
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HYDROFEST 2015
The Hydrographic Society in Scotland
6. Communication
• Intra-team communication:• Shift Handovers• Progress monitoring
• Inter-department communication:• ROV, Dive control, bridge, deck, field engineer
• Onshore communication:• Appraise onshore project surveyor or project
manager of ongoing operations• Feed in to wider reporting mechanisms
• Client communication:• Critical interface• Contractual awareness sometimes required
• Management of Change:• When something changes we need to be aware
and to manage the change• Procedure and QHSE compliance
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7. Deliverables Generation
• Field Reports• Field Layouts• Listings• Charts
• Ready for QC and finalisation
• Video• Digital Video
Delivery• Final Report
• Hard copy• HTML reporting