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EGL 3 & 4 Marine Surveys

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NEXT GEOSOLUTIONS UKCS LIMITED

Description

As part of the Eastern Green Link Projects (EGL 3 & EGL 4) new connections will increase the capability of the electricity transmission network between England and Scotland. The general requirement is for a marine survey of two cable routes to inform of seabed morphology and shallow sediment structure, and to provide benthic characterisation and habitat maps. The planned marine cable routes are both East Coast UK, from Peterhead to Lincolnshire and from Fife to Lincolnshire. Lotting of the Requirements: • Lot 1- EGL 3 Marine Cable Route Survey: approximately 500 km route from Peterhead to Lincolnshire • Lot 2 - EGL 4 Marine Cable Route Survey: approximately 450 km route from Fife to Lincolnshire The survey scope of work covers geophysical, geotechnical, topographic and environmental sampling. Lot 1: EGL 3 Marine Cable Route Survey _Peterhead to Lincolnshire Lot 1- EGL 3 Marine Cable Route Survey-approximately 500 km route from Peterhead to Lincolnshire There may be parts of the EGL 3 and EGL 4 routeing which are similar and may be surveyed as one. The survey scope of work covers geophysical, geotechnical, topographic, and environmental sampling. Requirements for the scope are listed below: -Obtain accurate Bathymetric (Inc. MBES/SBES) data -Obtain accurate high-resolution Side Scan Sonar (SSS) data -Obtain accurate high resolution Sub-Bottom Profiler (SBP) data -Obtain high quality Magnetometer data -Obtain high quality Benthic Grab Samples -Obtain high quality soil samples -Obtain high quality CPT/VC results -Obtain high quality lab testing results of soil samples -Obtain high quality topographic survey data -Obtain high quality UAV imagery -Data analysis and production of full and detailed Survey Reports in accordance with the Technical Specification of the survey - to be issued at RFP stage -Produce a conformant GIS deliverable package in accordance with the Technical Specification of the survey As an option -Obtain high quality onshore geotechnical data at landfalls -Obtain high quality onshore geophysical data at landfalls Nearshore works shall include water depths of less than 10m LAT, offshore areas involve water depths up to 120m LAT. Lot 2: Lot 2 - EGL 4 Marine Cable Route Survey-approximately 450 km route from Fife to Lincolnshire Lot 2 - EGL 4 Marine Cable Route Survey-approximately 450 km route from Fife to Lincolnshire There may be parts of the EGL 3 and EGL 4 routeing which are similar and may be surveyed as one. The survey scope of work covers geophysical, geotechnical, topographic, and environmental sampling. Requirements for the scope are listed below: -Obtain accurate Bathymetric (Inc. MBES/SBES) data -Obtain accurate high-resolution Side Scan Sonar (SSS) data -Obtain accurate high resolution Sub-Bottom Profiler (SBP) data -Obtain high quality Magnetometer data -Obtain high quality Benthic Grab Samples -Obtain high quality soil samples -Obtain high quality CPT/VC results -Obtain high quality lab testing results of soil samples -Obtain high quality topographic survey data -Obtain high quality UAV imagery -Data analysis and production of full and detailed Survey Reports in accordance with the Technical Specification of the survey - to be issued at RFP stage -Produce a conformant GIS deliverable package in accordance with the Technical Specification of the survey

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