This code prescribes the minimum requirements consistent with safety, which govern the materials, construction, design and maintenance of detaching hooks for use in vertical shafts of collieries. It does not impose restrictions, except those essential for safety reasons, with reference to existing installations.
Methods for fire tests on building materials, components and structures, Part 8.1: Tests on elements of construction for buildings exposed to simulated bushfire attack - Radiant heat and small flaming sources