There are many situations where concrete fire walls are used to divide a building into separate fire compartments. The purpose of providing such walls within a building is to prevent the spread of fire from one compartment to another. The ability of the wall to prevent fire spread depends not only on the wall details but also on the presence of penetrating members which have the ability to conduct heat from one space to another. This design note provides a justification and basis for an alternative solution meeting BCA objectives and performance requirements involving the penetration of concrete fire walls by bare steel roof members.
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