NCC 2019 Volume Two Amendment 1
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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c
2.5 Design scenario (HS)

2.5 Design scenario (HS)

Horizontal fire spread

Design scenario in brief

A fully developed fire in a building exposes the external walls of a neighbouring building or fire compartment and a fully developed fire in the neighbouring building exposing the opening in the external walls of the building.

Required outcome

Demonstrate that the risk of fire spread between buildings is not greater than buildings complying with the Deemed-to-Satisfy Provisions.

2.5.1 Design scenario description

This design scenario describes the requirements for a building to prevent horizontal fire spread to and from an adjacent building or fire compartment.

2.5.2 Typical method or solution

Demonstrate compliance with CV1 and CV2.