Exclude external walls of stairways in a protected shaft when assessing unprotected areas (see Diagram 11.5)
Any external escape stair should meet all of the following conditions (Diagram 2.7). a. Doors to th...
Every protected stairway should lead to a final exit, either directly or via a protected exit passag...
Lift machine rooms should be sited over the lift well where possible. Where buildings or part of a b...
Exclude external walls of protected stairways when assessing unprotected areas (see Diagram 3.10)
The unprotected area of the external wall of a stairway forming a protected shaft may be disregarded...
Configurations of stairs and external wall Fire resisting construction Fire resisting construction...
If a protected stairway projects beyond, is recessed from or is in an internal angle of the adjoinin...
Parts of an external wall with less fire resistance than the appropriate amount given in Appendix B,...
A protected stairway should not be used for anything else, except a lift well or electricity meters
The external wall of a protected shaft does not normally need to have fire resistance. Situations wh...
The diagram shows three common examples which illustrate the principles. The elements enclosing the ...
Every common stair should be a protected stairway. Where the protected stairway passes from one comp...
Stairs and service shafts connecting compartments should be protected to restrict the spread of fire...
The construction separating two adjacent protected stairways (or exit passageways leading to differe...
An uninsulated glazed screen may be incorporated in the enclosure to a protected shaft between a sta...
Any external escape stair should meet all of the following conditions (Diagram 2.7). a. Doors to th...
Every protected stairway should lead to a final exit, either directly or via a protected exit passag...
Lift machine rooms should be sited over the lift well where possible. Where buildings or part of a b...
Exclude external walls of protected stairways when assessing unprotected areas (see Diagram 3.10)
The unprotected area of the external wall of a stairway forming a protected shaft may be disregarded...
Configurations of stairs and external wall Fire resisting construction Fire resisting construction...
If a protected stairway projects beyond, is recessed from or is in an internal angle of the adjoinin...
Parts of an external wall with less fire resistance than the appropriate amount given in Appendix B,...
A protected stairway should not be used for anything else, except a lift well or electricity meters
The external wall of a protected shaft does not normally need to have fire resistance. Situations wh...
The diagram shows three common examples which illustrate the principles. The elements enclosing the ...
Every common stair should be a protected stairway. Where the protected stairway passes from one comp...
Stairs and service shafts connecting compartments should be protected to restrict the spread of fire...
The construction separating two adjacent protected stairways (or exit passageways leading to differe...
An uninsulated glazed screen may be incorporated in the enclosure to a protected shaft between a sta...
Any external escape stair should meet all of the following conditions (Diagram 2.7). a. Doors to th...
Every protected stairway should lead to a final exit, either directly or via a protected exit passag...
Lift machine rooms should be sited over the lift well where possible. Where buildings or part of a b...