A green roof is typically understood to be an intentionally vegetated roof or platform disconnected from the underlying ground
framework applicable for part 2
A short description of Type B evaluations of uncertainty (non-statistical) is included for completeness
BS ISO 12405-1 enables you to set up a dedicated test plan for an individual battery pack or system subject to agreement between the customer and supplier
BS EN 12237 is intended to establish the mechanical strength and leakage required to verify the fitness for the intended service as installed ductwork
Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4) Ingestion-build-64721 A green roof is typically1 Scope This British Standard specifies requirements for nickel chromium titanium heat resisting alloy supplied in the following forms, and as parts. a) Bars and extruded sections for machining: annealed, designation HR 5A. b) Extruded sections for subsequent forming: softened, designation HR 5B. c) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 5C. d) Forgings: annealed, designation HR 5D.