Page 12 - food store model (with first floor accomodation)

Reference Guide Fire Strategy

Where the above conditions do not apply, i.e. the storage is deemed ancillary to the use of

the shop, the two areas need not be fire separated from one another. The schematic below
can be used as a guide to determine whether a fire rated partition is required between the

retail space and the back-of-house area in a given store.

Figure 4-8 Schematic to determine if FR is required between retail floorplate and
storage areas

1.4.20 Cavity Barriers

Cavity barriers should be provided as set out below. Cavity barriers should provide a
minimum of 30 minutes of fire resistance with 15 minutes insulation.

Max dimension in any
Class of exposed
Location of Cavity direction between cavity Other requirements
surfaces within a cavity
barriers (m)
Within the construction Openings to be closed at
of a masonry external Any No restriction the edged
wall
Class 0, or Class 1 20
Any other cavity
Not Class 0, or Class 1 10

Document Classification Final Document Ref: 3.1-RCS-RHSE-(110)-264 Version 1.1
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