BS 7346-7:2006
BRITISH STANDARD
Components for smoke
and heat control
systems —
Part 7: Code of practice on functional
recommendations and calculation
methods for smoke and heat control
systems for covered car parks
'No COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS 79467:2006
Publishing and copyright information
The BS egyright note splayed ths documents whe he
ons 208
15a 05640007 «
“Te foning BS frou eo th work on the standard
Canter retreee FSH2W/4
Dea orem 00173774 DC
Publication history
Past puted, Octder 2008
‘Amendments ieued since publication
And.no. Date ‘Tone tected39 7046.
008
Contents
Foreword
Inxrodveton 1
Scope 3
Normative references 4
Terme and defniions 5
Smoke and eat contol system selection 10
Design fires 17
Vehicle exhaust potion control 13
‘Natural dspersl smoke venation 14
Conventional mechanical extrset16
Inmpule ventation to achieve smoke clearance 18
10 Impusevetintion to sae reiting acess 20
41 Impube vention to protect means of escape. 24
12 Soke and beat exhnus entiation systems (SHEVS) 25
18 Ductwork, fixings and smoke dampers 26
14 Controls and power supplies 27
16 Preinalation verdeation 90
16 Ineraction with other re protection systems and oer balding
stems 37
17 Commisioning. 39
18 Documentation tobe supplied wit beat and smoke contra
system 35
19° Maintenance and safey 37
‘Arex A informative) Computer-based models 38
“Annex B (normative) Lighting, signage, public adress and voce
lar systems 3
ibiograpty 40
List of igures
Figure 1 = Typical mechanical venation wing a ducted roke
dspersal stem 15
Figure 2 Typical mechanical vetation ung an impale smoke
Alspersal stem 7
Figure 3 Typical mechanical ventation ving an impale syste or
freighter acess 22
Figure 4 Design regions fora single vohne space 26
List of tables
‘Table 1 Steady-state design fires 12
‘Tale 2 ~ Checks for commissioning of major components of
smoke and het contol stm or SHEVS 34
Summary of pages
“This document comprises font cover, an sie rot cover,
ges ard , pages It 4, an side back cover and a back cow,