Introduction to Fire Safety Management

PART C Site preparation and resistance to 
moisture
– this part of the Building Regulations details the 
functional requirements relating to the ground conditions 
of the building site. There are four requirements:
C1 Preparation of site
– the ground to be covered 
by the building shall be reasonably free from vegetable 
matter.
C2 Dangerous and offensive substances
– 
reasonable precautions shall be taken to avoid danger 
to health and safety caused by substances found on or 
in the ground to be covered by the building.
C3 Subsoil drainage
– adequate subsoil drainage 
shall be provided to avoid the passage of the ground 
moisture to the interior of the building and/or any 
damage to the fabric of the building.
C4 Resistance to weather and ground moisture
– 
the walls, fl oors and roof of the building shall adequately 
resist the passage of moisture to the inside of the 
building.
PART D Toxic substances
D1 Cavity insulation
– if insulating material is 
inserted into a cavity wall reasonable precautions shall 
be taken to prevent the subsequent permeation of any 
toxic fumes from that material into any part of the building 
occupied by people.
PART E Resistance to the passage of sound
E1–E3 Airborne and impact sound
– the three 
requirements for Part E require that walls, fl oors and 
stairs that separate a dwelling from another building 

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or part of a building not used for dwelling must have 
reasonable resistance to the transmission of airborne 
and impact sound.
PART F Ventilation
F1–F2 Ventilation
– require adequate ventilation 
from buildings and roofs.