BS EN 13565-1:2019 Fixed firefighting systems. Foam systems Requirements and test methods for components

Fire safety in buildings
Foams
Flexible pipes
Components
Pressure vessels
Sprayers
Foam fire extinguishers
Fire extinguishers
Test methods
Fire extinguishers (built-in)
Firefighting
Performance
Tanks (containers)
Firefighting equipment

Link: BS EN 13565-1:2019 Fixed firefighting systems. Foam systems Requirements and test methods for components
Source: BSI Standards

BS EN 10210-2:2019 – TC Tracked Changes. Hot finished steel structural hollow sections Tolerances, dimensions and sectional properties

Rectangular shape
Hollow sections
Heat-treatable steels
Mathematical calculations
Ordering
Hot-working
Mass
Square shape
Length
Form tolerances
Diameter
Circular shape
Dimensions
Dimensional tolerances
Unalloyed steels
Elliptical shape
Steels
Weight tolerances
Thickness
Welding
Area
Metal sections
Structural steels

Link: BS EN 10210-2:2019 – TC Tracked Changes. Hot finished steel structural hollow sections Tolerances, dimensions and sectional properties
Source: BSI Standards