BS 7273-3:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Code of practice for the operation of fire protection measures Electrical actuation of pre-action sprinkler systems
Hardcopy , PDF
01-31-2008
English
10-15-2000
Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 System design
5 Fire detection
6 System interface
7 Power supplies
8 Wiring
9 Servicing
Annex A (informative) Example of an arrangement for separate
fire alarm and pre-action control
and indicating equipment
Annex B (informative) Example of an arrangement for fire
detectors and pre-action valve-set
connected to and monitored by a single
control panel
Annex C (informative) Example of an arrangement for any
coincidence logic provided at fire
alarm control and indicating equipment
Annex D (informative) Example of an arrangement for any
coincidence logic provided at pre-
action control and indicating equipment
Figure 1 - Typical logic gate depiction of pre-action systems
Figure A.1 - Example of an arrangement for separate fire
alarm and pre-action control and indicating
equipment
Figure B.1 - Example of an arrangement for fire detectors and
pre-action valve-set connected to and monitored
by a single control panel
Figure C.1 - Example of an arrangement for any coincidence
logic provided at fire alarm control and
indicating equipment
Figure D.1 - Example of an arrangement for any coincidence
logic provided at pre-action control and
indicating equipment
Table 1 - Maximum areas of coverage per point-type smoke
detector to operate pre-action sprinkler
installations in still air conditions for
coincidence and non-coincidence connection fire
detection systems
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.