The Old Fort, building use in the 1990s

With a large number of plans and documents available in the archive, it’s possible to piece together the use of the site throughout the decades. Combining a site plan from 1986 and a building schedule from 1975, it’s possible to give a snapshot of how the site has changed use.

A digitised and coloured section of the 1986 site plan with building numbers shown.

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As with many military sites, it was split into zones. Each building at Fort Halstead was denoted a letter prefix based on the zone it fell into. This was partly for administrative reasons but it also helped to identify what areas of work were taking place in which ares of the site. In this area of the site, the F denotes that the buildings are within the FORT area; an area primarily for specialist explosive and detonator work contained within the 19th century mobilisation centre.