6 . 4
EXAMPLE BUILDING - TYPOLOGY 4
STRUCTURAL MATERIAL Hybrid (CLT & steel/concrete)
H E I GH T >15 storeys and >30 m
30m
BUILDING NIA >10,000 m²
M 2
MAX. FLOOR CAPACITY 1 in 12 m² NIA
CONSTRUCTION Offsite Category 3 and 5
18m
EXPOSED SURFACES CLT Soffits and Concrete
COS T <£500 million
£
CONSEQUENCE CLASS Class 3
BUILDING DESCRIPTION
Illustrative example Type 4 is a commercial office building with retail use at ground floor.
It is made from a hybrid construction , using mass timber floor slabs and steel columns and beams. It has a concrete core with exposed CLT floor slabs to upper floor office space.
The building has a non combustible roof installed to falls.
It is clad in a non-combustible rainscreen cladding system , with provisions to prevent fire spread between floors.
An example plan of the illustrative building
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Example Buildings
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