Smoke & Heat Extraction Systems
Smoke & Heat Extraction Systems
Smoke & Heat Extraction Systems
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GEZE RWA systems<br />
Legal basis<br />
Building law<br />
Requirements of the MBO and LBOs regarding smoke dissipation and<br />
ventilation<br />
– Continued –<br />
GEZE RWA<br />
Federal<br />
state<br />
Hamburg<br />
Regulations<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
Dated<br />
11 May<br />
2010<br />
<strong>Smoke</strong> dissipation<br />
where?<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
<strong>Smoke</strong><br />
dissipation<br />
where?<br />
At the highest<br />
point<br />
<strong>Smoke</strong><br />
dissipation -<br />
how large?<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Operating<br />
points where?<br />
Ground floor and<br />
top landing<br />
Ventilation<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
<strong>Smoke</strong> and heat<br />
extraction systems<br />
(RWA)<br />
Hesse<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
15 December<br />
2009<br />
For necessary internal stairways<br />
Class 5 buildings<br />
At the highest<br />
point<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Mecklenburg-West<br />
Pomerania<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
18 April<br />
2006<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Lower<br />
Saxony<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
28 October<br />
2009<br />
No statement regarding<br />
smoke dissipation / smoke<br />
extraction<br />
Stairways must be able to be ventilated<br />
North Rhine-<br />
Westphalia<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
17 December<br />
2009<br />
Building with more than<br />
5 storeys above the ground<br />
and in case of necessary<br />
internal stairways<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
5% of the floor<br />
area; however, at<br />
least 1m²<br />
Ground floor<br />
and top landing.<br />
Further operating<br />
points can be<br />
approved.<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Rhineland-<br />
Palatinate<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
27 October<br />
2009<br />
Buildings with more than<br />
5 storeys above the ground<br />
and for necessary internal<br />
stairways, not located at<br />
the external wall<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
5% of the floor<br />
area; however,<br />
at least 1m²<br />
Ground floor<br />
and top landing.<br />
Further operating<br />
points can be<br />
approved.<br />
Stairways must be able to be ventilated<br />
On each above-ground storey of necessary<br />
stairways located at the external<br />
wall in building classes 4 + 5, must<br />
have windows leading directly to the<br />
outside with minimum size 0.6m x 0.9m<br />
(width x height), which can be opened<br />
and have a sill height not greater than<br />
1.20m<br />
Saarland<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
21 November<br />
2007<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Saxony<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
13 August<br />
2009<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Saxony-<br />
Anhalt<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
20 December<br />
2005<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Schleswig-<br />
Holstein<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
9 March<br />
2010<br />
For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
Thuringia<br />
LBO<br />
(state<br />
building<br />
regulations)<br />
8 July 2009 For necessary internal<br />
stairways and necessary<br />
stairways in buildings more<br />
than 13m high<br />
At the highest<br />
point of the<br />
stairwell<br />
With a free crosssection<br />
of at least<br />
1m²<br />
Ground floor and<br />
top landing<br />
Necessary stairwells: On each aboveground<br />
storey, windows leading<br />
directly to the outside with a free crosssectional<br />
area of at least 0.5m², which<br />
can be opened<br />
GEZE RWA systems<br />
113
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