Summary of areas of possible contaminated land close to or within the proposed construction area Site location Grid ref
Site ref
Access
during site walkover
Observations from site visit
Crossed by corridor/ substation site
landfill site, Tuddenham St Martin
2491
marked by steep. Top level of landfill is slightly undulating with no obvious capping. Concrete and brick rubble, metals, plastics, etc, protruding through surface. Gas tap noted in centre of landfill. Probably contamination to be encountered by route.
Requirement for site
investigation prior to
construction
investigation should be undertaken to detetrmine type of fill material, depth of fill, presence/ condition of groundwater within landfill, presence of any lining system.
Railway adjacent to River Gipping, west of Claydon
6124 2490
23 Yes
Railway embankment is approx 3m above surrounding land. Potential contamination near surface from railway, but HDD should avoid this. SI will identify impact prior to construction work.
Table 3: Contaminated sites located within or close to the proposed onshore cable route
HDD to pass beneath railway.
HDD to be present in this location, for which site investigation will be completed
should be followed to minimise effects of constructing through landfill. It is recommended that an action plan be produced On completion of SI, once nature of fill is better understood.
Likely actions required if
contamination is present
If contamination is encountered by SI prior to HDD, action can be taken to address this based on advice of the environmental consultant.
Outline Code of Construction Practice. Version 3.
Page 30
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