Archaeological monitoring of all groundworks as specified in the project brief and WSI. Approximately 11m of foundation trench was machine-excavated under the supervision of a CAT archaeologist. The trench varied from 0.5-0.63m wide and was c 1.4m deep with a thick layer of modern hardcore (L1, c 0.05m thick) sealing natural sand (L2). Archaeological monitoring was carried out at 112 Moulsham Street, Chelmsford, Essex during groundworks for the construction of an extension. Despite being located close to the route of the Roman road, no archaeological deposits were identified during the works.