Lock assemblies in which the operating mode can be switched between the normal BS 8621 operating mode and a secure mode in which no egress is possible Ingestion-build-225643 This British Standard supersedes BS

This British Standard supersedes BS 5261-2:1976

or areas of technological risk

BS EN 6059-601 specifies a method of assessing the behaviour of protection sleeves or conduits when subject to open and close manipulation for installation

supplied in roll or in tile form

BS 1932-2 is an international standard that focuses on the determination methods for knot strength and loop strength

Lock assemblies in which the operating mode can be switched between the normal BS 8621 operating mode and a secure mode in which no egress is possible Ingestion-build-225643 This British Standard supersedes BS1 Scope This British Standard specifies performance requirements and test methods for a thief resistant mechanically operated single point lock assembly (including locking plates, fixing screws, fitting instructions, cylinders and protective furniture, where appropriate) that: a) incorporates a lock conforming to BS EN 12209: 2016 that, under normal conditions, can be unlocked from the inside without the use of a key, thereby allowing keyless egress;