Site Event/Activity record ECC2918 - Geophysical survey at Colchester Visual Arts Facility (Firstsite Art Galley)

Location

Location Colchester Visual Arts Facility, East Hill, Colchester
Grid reference Centred TM 000 251 (162m by 184m)
Map sheet TM02NW
County ESSEX
Non Parish Area COLCHESTER, COLCHESTER, ESSEX

Technique(s)

Organisation

Stratascan

Date

July 2004

Map

Description

The site compromised five separate areas: the bus station (0.54ha) to the west, the playing fields (0.51ha) to the south, East Hill House gardens split into a north and south lawn (totalling 0.4ha) to the north and the day nursery car park (0.1ha) to the east. The bus station and car park areas had concrete and tarmac surfaces respectively. The playing fields were currently scrubby unused grassland and East Hill House Gardens comprised two separate lawn areas (north and south lawns). Ground Penetrating Radar (GPR) and resistance survey was carried out within the south eastern part of the Roman walled town at Colchester by Stratascan in July 2004. This work located a number of anomalies likely to be related to archaeological features. High resistance linear and area anomalies located across the north lawn of East Hill House may relate to former Romano-British structures. Areas of discrete and complex radar response may also indicate structural debris across the north and south lawns of the house and the playing field towards the south east. A series of planar reflections within the nursery car park area confirmed the existence of an east – west Roman street. A number of anomalies had an uncertain origin and were difficult to interpret but potentially may be of archaeological significance. These included a possible north south street, fragmented wall remains and a large ditch. The GPR showed that the likely depth of soil build up over possible archaeological deposits is approximately 1m for most of the survey areas with the exception of the playing field where reflections appeared to be significantly shallower at around 0.5m.

Sources/Archives (1)

  • <1> Geophysical Report: Sabin, D.J.. 2004. Geophysical Survey Report. Colchester Visual Arts Facility.

Related Monuments/Buildings (0)

Record last edited

Sep 28 2015 11:39AM

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