Planning and implementation of the investigation work has required close co-operation beyond the usual client, consultant and contractor roles, with interested parties including the Environment Agency, Crown Estates, MoD, English Nature, MAFF, DETR and the Queen's Harbour Master.
For example MoD is clearly interested in the positions of boreholes and future construction works in relation to utilities and services running to and from its land.
English Nature is concerned at the potential disturbance of heavy metal residues in the harbour mud material which could spread on to bird feeding areas on nearby protected wetlands habitats.
Fortunately these, the unexploded ordnance issue and a number of other key safety and environmental concerns could all be systematically addressed within the framework provided by CDM (Construction Design Management) review.
'CDM makes you list each potential hazard and record how you would deal with it,' says Maunsell's Mark Dawson. Maunsell's CDM review included addressing issues relating to the unexploded bomb issue, risk of hitting buried services, soil contamination, general use of heavy plant, and navigation in the harbour.