Surveys form an integral aspect of the development process and the resulting information will be used to assist with tranche and/or project selection as well as informing the Environmental Impact Assessment. The following surveys are underway or have been completed.
Start | End | Contractor | Type of survey | Vessel | Scope & Aims | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun-10 | Jun-12 | Gardline Environmental | Metocean survey | MV Vigilant | Triaxys and waverider buoys deployed at two locations to measure wave and current data and better understand metocean conditions. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Apr-10 | Jun-12 | Hidef |
Aerial survey using high definition digital video | Up to 3 twin-engined light aircraft | Monthly aerial ornithology and marine mammal surveys with the added benefit that the results are more robust for determining absolute numbers. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Jan-10 | Jun-12 | Gardline Environmental | Boat based ornithology and marine mammal survey | MV Vigilant | Monthly ornithology and marine mammal surveys conducted along more than 1100 km survey lines to characterise the wildlife on site ahead of the full EIA process. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Start | End | Contractor | Type of survey | Vessel | Scope & Aims | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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May-11 | Jul-11 | Gardline Environmental | Benthic ecology | MV Vigilant | Utilisation of drop down, freshwater lens camera system and 0.1m2 hamon grab for macrofaunal sampling and habitat characterisation purposes, as well as the deployment of a Shipek grab select sampling sites for chemical testing. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sep-10 | Dec-10 | Fugro Geoconsulting | Geotechnical survey | Fugro Saltire, Gargano and Bucentaur | 41 boreholes and 98 cone penetration tests conducted to better understand the geological conditions for input in foundation design solutions. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Jun-10 | Dec-10 | GEMS Survey | Geophysical survey | Kommander Jack and Aquarius | Acquisition of 24,000 line km of geophysical survey data across Tranche A including full coverage of multibeam echosounder and side scan sonar, AGDS, marine magnetometer and multichannel seismic data sets. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Start | End | Contractor | Type of survey | Vessel | Scope & Aims | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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May-12 | June-12 | GEO | Geotechnical survey | Blue Alfa |
A total of 80 cone penetration tests will be performed across the Tranche B area to confirm the interpretation of previously completed geophysical survey data and better understand ground conditions. |
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Jun-11 | Apr-12 | Gardline Geosurvey |
Geophysical survey | Tridens 1 & L'Espoir | Acquisition of 18,000 line km of geophysical survey data across Tranche B, including full coverage of multibeam echosounder and side scan sonar, AGDS, marine magnetometer and multichannel seismic data sets. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||