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Crathes Castle, Fish Pass: Watching Brief
Date 20 June 2008
Event ID 976305
Category Recording
Type Watching Brief
Permalink http://canmore.org.uk/event/976305
Addyman Archaeology were commissioned by the NTS to undertake a Historic structure survey and watching brief at Crathes Castle weir. The recording, required in advance of modifications to part of the weir during the construction of a new fish pass.
The masonry of the weir as exposed and examined in relation to the present building works appears to relate to two phases of build. The earlier phase includes the general masonry of the existing dam and a weir within this at the site of the existing. The top of the earlier weir sat at a slightly lower level than currently; the earlier weir seems not to have had an integral sluice gate or spillway. The secondary phase appears to involve the insertion of a sluice through the pre-existing weir dam, the raising of the weir head, the building of a spillway to the rear of the dam and the (re)construction of flanking walls to the spillway.
The earlier phase is likely to be of early-mid 19th century date and corresponds to features visible on the 1st Edition Ordnance Survey or 1864. The secondary phase of work, including the installation of the new sluice arrangement, may be of late 19th or earlier 20th century date.
Information from NTS (SCS) March 2014
