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Update on survey work for IFA2

National Grid IFA2 will be carrying out a number of surveys around the proposed sites of the converter station and cables in the coming months. These are to inform ongoing discussions about IFA2, and some are required by conditions on the planning permissions that the project received earlier this year. 

We do not expect these surveys to have a direct impact on local residents. However, where appropriate we will work directly with landowners and stakeholders to make the surveys possible, and will contact anyone who may be affected directly. 

We will carry out surveys in the following areas: 

Offshore 

  • Seagrass survey – Mid August. The purpose of this activity is to map seagrass around Chilling, and will involve a small number of our contractors doing surveys offshore and on the beach.
  • Offshore / Nearshore surveys – starting at the end of August and through to October. This will involve survey vessels mapping the seabed and taking samples to assist with borehole design. As part of these, we will be mapping any unexploded ordnance (UXO) in the offshore area. No intrusive works will be done as part of this. 

Chilling 

  • Boreholes – Late August. We will take a number of boreholes in Chilling to support the detailed design of cables for IFA2. We will restore the site to its previous condition after the survey.

 Daedalus

  • Surveys at Solent Airport – August-September. We need to carry out a number of intrusive surveys at Solent Airport. These will take place with the cooperation of the Airport management.
  • Electromagnetic Field (EMF) surveys  - September. We will bury a sample of the cable proposed for IFA2 to carry out a test on EMFs. This is part of the tests we are carrying out to provide assurance that the cables used for IFA2 will comply with the planning conditions on EMFs.

 Converter station site and proposed new public open space

  • Unexploded Ordnance (UXO) Survey – August-September. We are carrying out surveys to identify any unexploded ordnance at the converter station site to ensure that any hazards can be identified in advance of the works and enable identified items to be safely removed from site
  • Ecological surveys – August-September. These allow us to identify if any protected species are present in the area and, importantly, put in place mitigation measures to minimise the impact to wildlife. If protected species are identified, we will engage with the statutory body, Natural England, and apply for the relevant licences which will permit us to undertake our works. We are also doing some low-level vegetation clearance as part of ongoing reptile management
  • Ground investigation surveysAugust-September. We are carrying these out to gather data on ground conditions to support the detailed design process and to identify any potential pre-existing contamination in the area.