UXO clearance campaigns are defined as distinct activities:
— geophysical survey to identify non-UXO and potential UXO objects,
— visual identification to positively identify non-UXO and actual UXO objects,
— disposal as required of both non-UXO and actual UXO objects.
Assignment of an experienced UXO consultancy for the independent QA/QC of documentation and execution ofTenneT's offshore UXO campaigns.
Provision of independent data analysis and interpretation as well as final ALARP clearance certification.
Geophysical survey — in-field survey QA/QC
The Consultant will provide suitably qualified and experienced UXO consultants to provide QA/QC supervision services during the field work, including but not limited to:
— Prior to commencing survey, attendance at the kick-off meeting with the Survey Contractor and TOG.
— Approval of all tests and calibrations during spread mobilisation, including any additional tests and calibrations during the project.
— Validation of the surrogate item trial methods, data and results; final approval of the trial to allow work to commence.
— Supervision of operations during the main survey, including continuous provision of information about circumstances and measures to TOG; monitoring of compliance with TOG instructions and management reporting.
— Data review of the acquired and processed data to confirm quality of target interpretation in order to reduce the number of targets identified within the data collected to date.
Consultant shall provide independent processing and interpretation of the survey using the raw acquired data provided by the survey contractor in order to identify all ferrous anomalies within the data set. The data will be processed using Oasis Montaj with the UX Detect add-on (or any other qualified software package), preliminary already offshore and onshore.
Upon conclusion of the acquisition and processing works, Consultant shall prepare with the contracting authority and participate in a route working group meeting to finalise the anomaly target list and a re-engineered route position list.
Anomaly identification and disposal — in-field survey QA/QC
The Consultant will provide suitably qualified and experienced EOD consultants to provide QA/QC supervision services during the field work, including but not limited to:
— Prior to commencing survey, attendance at the kick-off meeting with the Survey Contractor and TOG.
— Review of Survey Contractor's operating procedures and Method Statements.
— Approval of all tests and calibrations during spread mobilisation, including any additional tests and calibrations during the project.
— Validation of the of the surrogate item trial methods, data and results; final approval of the trial to allow work to commence.
— Supervision of operations during the identification and if required, disposal works including continuous provision of information about circumstances and measures to TOG; monitoring of compliance with TOG instructions, compliance with regulatory requirements and management reporting. Specifically, the duties shall include daily oversight, keeping records of all activities, liaison with the Offshore Superintendent on the vessel and TOG onshore, Data review of the acquired and processed data to confirm identification of the targets and agreement of any disposal requirements.
Upon conclusion of the survey, anomaly identification and disposal operations Consultant shall issue an ALARP clearance certificate to warrant route clearance.
NordLink is an Interconnector, which requires 155 km of investigation from the landfall Büsum to Danish waters,operation is a multiple vessel operation running simultaneously. Water depth from 0 — 40 m.
Geophysical survey — in-field survey QA/QC
The Consultant will provide suitably qualified and experienced UXO consultants to provide QA/QC supervision services during the field work, including but not limited to:
— Prior to commencing survey, attendance at the kick-off meeting with the Survey Contractor and TOG.
— Approval of all tests and calibrations during spread mobilisation, including any additional tests and calibrations during the project.
— Validation of the surrogate item trial methods, data and results; final approval of the trial to allow work to commence.
— Supervision of operations during the main survey, including continuous provision of information about circumstances and measures to TOG; monitoring of compliance with TOG instructions and management reporting.
— Data review of the acquired and processed data to confirm quality of target interpretation in order to reduce the number of targets identified within the data collected to date.
Consultant shall provide independent processing and interpretation of the survey using the raw acquired data provided by the survey contractor in order to identify all ferrous anomalies within the data set. The data will be processed using Oasis Montaj with the UX Detect add-on (or any other qualified software package), preliminary already offshore and onshore.
Upon conclusion of the acquisition and processing works, Consultant shall prepare with the contracting authority and participate in a route working group meeting to finalise the anomaly target list and a re-engineered route position list.
Anomaly identification and disposal — in-field survey QA/QC
The Consultant will provide suitably qualified and experienced EOD consultants to provide QA/QC supervision services during the field work, including but not limited to:
— Prior to commencing survey, attendance at the kick-off meeting with the Survey Contractor and TOG.
— Review of Survey Contractor's operating procedures and Method Statements.
— Approval of all tests and calibrations during spread mobilisation, including any additional tests and calibrations during the project.
— Validation of the of the surrogate item trial methods, data and results; final approval of the trial to allow work to commence.
— Supervision of operations during the identification and if required, disposal works including continuous provision of information about circumstances and measures to TOG; monitoring of compliance with TOG instructions, compliance with regulatory requirements and management reporting. Specifically, the duties shall include daily oversight, keeping records of all activities, liaison with the Offshore Superintendent on the vessel and TOG onshore, Data review of the acquired and processed data to confirm identification of the targets and agreement of any disposal requirements.
Upon conclusion of the survey, anomaly identification and disposal operations Consultant shall issue an ALARP clearance certificate to warrant route clearance.
MERKUR is an export cable route to connect the offshore wind farm Merkur OOS to the DolWin gamma platform, investigation will commence offshore for 2 cables with the length of 2 x 12,3 km. Water depth ~28 m.