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Watching Brief
Date 4 June 2013 - 11 June 2013
Event ID 1153106
Category Recording
Type Watching Brief
Permalink http://canmore.org.uk/event/1153106
The Shetland Islands Council (SIC) identified a need to widen and deepen the south entrance to the Out Skerries harbour, to allow it to be used at all states of the tide and in all weather conditions.
A desk based assessment and preliminary visual survey of the site identified archaeological potential at risk. A limited excavation and metal detector survey of the possible impacted areas was carried out in April 2011, and reported in the 2011 licensee’s report. The recommendations from this Kennemerland Licensee’s Report included a watching brief of dredging operations and post dredging seabed survey. This licensees report is about the watching brief of the dredging operations. The licensee’s onsite representative was Mark James. A post rock removal archaeological seabed survey will be carried out between 3 and 6 months after this
A VideoRay inspection ROV was used to visually inspect all drilling operations, rock breaking and pre and post dredging operations surveys.
The overall impact of the dredging operations to the wreck site of the historic ship Kennermeland of the dredging operations were minimal. It is Kennemerland Licensee’s Report 2013 worth noting for future works that the minimal and controlled use of explosives on a robust site, comprising largely of bedrock, should be considered as a viable option from the beginning. Minimal rock debris remains on the seabed; that which does will is small and its recovery would have had a greater impact on potential archaeological remains left to remain in-situ. The contractor, remained conscientious of the impact they could potentially be having on the area and remained vigilant and compliant throughout the project. The involvement of the local fishermen and Salmon farmers also ensured that any potentially negative impacts to the environment or the fish farm were adequately mitigated.
information from Dr D.M.McElvogue, Shetland Islands Council, 18th June 2013
