Film & TV Database

covers three important field investigation aspects undertaken in preparation for the construction of a fresh water reservoir in the Wash. Firstly, data collecti on by the Hydraulic Research Station which involved measurement of current flow, sediment analysis, temperature and s alinity readings. Secondly geological and geophysical surveys by the Institute o f Geological Studies using special survey vessels for plotting the sea-bed and taking samples of its various layers . finally detailed offshore site ivestigation by the contractors to determine th e extent and properties of the deposits upon which the reservoirs would be buit