50.
Period; Rarity;
Documentation; Group Value;
Survival and Condition; and Potential.
These aspects help to characterise each asset whilst also enabling their relative merit to be explored in relation to other similar assets. The criteria also enable the potential to contribute to knowledge, understanding and outreach to be assessed.
51.
The ALSF-fundedMarine Class Description and principles of selection for aggregate producing areas project (ALSF 5383; Wessex Archaeology 2008a) devised a composite timeline that considered wrecks in five distinct date ranges. This composite timeline took into account the broad chronology of shipbuilding and was thus able to draw out generalisations regarding the age and special value of sites. The timeline is summarised as follows:
Pre- 1508 AD: this covers the period from the earliest prehistoric evidence for human maritime activity to the end of the medieval period, c. 1508. Little is known of watercraft or vessels from this period and archaeological evidence of them is so rare that all examples of craft are likely to be of special value.
1509 - 1815: this encompasses the Tudor and Stuart periods, the English Civil War, the Anglo-Dutch Wars and later the American Independence and French Revolutionary Wars. Wrecks and vessel remains from this date are also quite rare, and could be expected to be of special value.
1816 - 1913: this period witnessed great changes in the way in which vessels were built and used, corresponding with the introduction of metal to shipbuilding, and steam to propulsion technology. Examples of watercraft from this period are more numerous and as such, it is those that specifically contribute to an understanding of these changes that should be regarded as having special value.
1914 - 1945: this period encompasses the First World War (WWI), the Interwar years and the Second World War (WWII). This date range contains Britain’s highest volume of recorded boat and ships losses. Those which might be
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 17 Offshore Archaeology Page 30
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