Helm, R. (2022). Crowded Places Bollard Installation Scheme, Canterbury, Kent: Archaeological Wathcing Brief. Canterbury Archaeological Trust. https://doi.org/10.5284/1116051. Cite this using datacite

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Title:		 Crowded Places Bollard Installation Scheme, Canterbury, Kent: Archaeological Wathcing Brief
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Series:		 Canterbury Archaeological Trust unpublished report series
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canterbu3-506807_189149.pdf (19 MB) : Download
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DOI
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DOI
https://doi.org/10.5284/1116051
Publication Type
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Canterbury Archaeological Trust (CAT) were commissioned by Canterbury City Council (CCC) to undertake a programme of archaeological works at 20 locations across Canterbury City Centre. The archaeological programme was to mitigate against the potential impact from groundworks associated with the installation of a new Crowded Places Bollard Scheme. The archaeological programme followed a Written Scheme of Investigation (WSI), approved by the Principal Archaeology and Heritage Officer, CCC, and comprised an archaeological watching brief of all groundworks associated with the scheme and archaeological excavation where groundworks were to be undertaken to depth. The new bollards, which include a mixture of fixed, automatic and manual lowering bollards, were to be installed across public roads and footways with associated connecting service trenches. The groundworks were anticipated to vary between a nominal depth of 400mm bgl (below ground level) for fixed bollards, 1000mm bgl for automatic telescopic and manual telescopic bollards, and 1200mm bgl for manual lowering bollards. The procedure and methodology followed during the archaeological works are set out in detail in the approved WSI (CAT 2018). The archaeological works were conducted in accordance with accepted professional standards as set out in the Chartered Institute for Archaeologists Standard and guidance for an archaeological watching brief (CIfA 2014a) and Standard and guidance for archaeological excavation (CIfA 2014b). Canterbury Archaeological Trust is a Registered Organisation with the Chartered Institute for Archaeologists and conforms to their by-laws, standards and policy statements. The archaeological work comprised the monitoring of all groundworks required for the scheme. The installation of fixed and automated bollards involved excavation to a maximum depth of 1200mm bgl. The extent of all groundworks and exposed archaeology was mapped using a GNSS/GPS (Leica Viva GS08) connected to Ordnance Survey correctional data via Leica Smart Net. A positional accuracy of within ±50mm (3D) was obtained using the ETRS89 to OSGB conversion via the OSTN02 projection and the OSGM Geoid. Following machine excavation all exposed surfaces were inspected by an archaeologist. All exposed features and structures were recorded in plan and section. Where archaeological remains were encountered above the agreed formation level, machine excavation was temporarily halted to allow the remains to be investigated further, and where necessary, excavated by hand. All groundworks were monitored to ensure ground disturbance was minimised to prevent damage to any archaeology present. Where hand excavation was required, all features, deposits and structures were excavated stratigraphically in accordance with normal professional practice. Recording of contexts was undertaken using pro-forma CAT Context Record Sheets. All hand drawn plans and sections were drawn on A3 drafting film at appropriate scales (1:10 or 1:20). A full digital photographic record was maintained. An archaeological watching brief was carried out between July 2019 and January 2020 by Canterbury Archaeological Trust Ltd (CAT). The archaeological watching brief was maintained during groundworks conducted at 20 sites located across Canterbury city centre. The groundworks formed part of a programme of works in response to the installation of a Crowded Places bollard system, on behalf of Canterbury City Council. Archaeological remains were identified at 11 sites.
Author
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Author:		 Richard Helm
Publisher
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Publisher:		 Canterbury Archaeological Trust
Year of Publication
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Year of Publication:		 2022
Locations
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Locations:
Parish: Canterbury, unparished area
Country: England
County: Kent
District: Canterbury
Grid Reference: 614879, 157840 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
BUILDING (Monument Type England)
ROAD (Monument Type England)
MEDIEVAL ROAD (Tag)
WATCHING BRIEF (Event)
MEDIEVAL BUILDING (Tag)
MEDIEVAL (Historic England Periods)
Identifiers
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OASIS Id: canterbu3-506807
Report id: 2022/88
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Created Date
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Created Date:		 30 Nov 2023