Site Event/Activity record ESF25318 - Monitoring - Tut Hill Anglia Water pipeline, Fornham St Martin

Monitoring of drill pits along the eastern section of the Anglian Water Tut Hill phase 1 pipeline scheme. In total six drill pits were monitored and recorded. The drill pits were excavated to a depth of 0.8m-2.5m, With the exception of drill pit 1 and 2, all the drill pits displayed the same squence of deposits. These comprised natural geologies of pale yellowish-brown and gery alluivial silts, gravels and clays overlain by a thick reddish-brown alluvium derived subsoil up to 0.63m thick. This in turn was sealed by a dark reddish-brown topsoil up to 0.6m thick. The soil sequence in Drill pit 1 comprised a natural geology of yellowish-brown sands and gravel overlain by 2.2m of blackish-brown made ground which was sealed by Tarmac. Drill pit 2 had a similar sequence to the other pits but had a layer of dark grey-brown organic silt at the base below the alluvium. No archaeological features or deposits were observed in the drill pits (S1).