2121 Decommissioning, diverting and maintaining building services (0) Decommissioning building services prior to and during demolition and diverting building services to maintain services as required 2122 Removing specified items (0) Removing specified items prior to demolition of structures 2123 Encapsulating or removing and disposing of hazardous substances (0) Encapsulating or removing and disposing of toxic and/or hazardous substances in/from existing buildings 2124 Protecting structures and site (1) Protecting structures on and off site and protecting roads, paths and vegetation for the duration of the Works