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BSI DD 245:2002

BSI DD 245:2002

$142.49

Code of practice for management of false alarms

Published By Publication Date Number of Pages
BSI 2002 26
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PDF Pages PDF Title
1 DRAFT FOR DEVELOPMENT
2 Committee responsible for this Draft�for�Development
3 Contents
5 1 Scope
2 Normative references
3 Definitions
alarm company
subscriber
alarm condition
alarm receiving centre (ARC)
signalled alarm condition
mis-operation signal
6 unset signal
alarm filtering
false alert
policed alarm condition
false alarm
genuine alarm
7 company�related false alarm
subscriber�related false alarm
line fault�related false alarm
prime cause
reset management centre
satellite
4 System design
5 Administration
8 6 Documentation
6.1 For each installation, the subscriber should be provided with sufficient instructions to ensu…
6.2 Each service department should ensure that each service call following the notification of an…
6.3 Each office at which corrective maintenance call�out requests are received and recorded shoul…
6.4 In all documentation and reports, the prime cause of the false alarm should be reported, not …
7 Statistics relating to remote signalling alarm systems
8 False alarm management procedure
9 9 Diagnosis of false alarms
10 Resetting of remote signalling systems
10.1 The provisions of this clause do not apply to the restoring requirements of intruder alarm s…
10.2 This Draft for Development permits only the following premises to be used as reset managemen…
10.3 At any given time, there should not be more than one designated reset management centre for …
10.4 Following reception by an alarm receiving centre of a signalled alarm condition, it should n…
10.5 Resetting as required by
10.6 Resetting procedures should be such that a subscriber is not enabled to reset the signalling…
10 10.7 If a policed alarm condition has occurred, resetting in accordance with
10.8 The alarm receiving centre should maintain accurate records of signalled alarm conditions in…
10.9 It is essential that for each policed alarm condition the reset management centre maintains …
10.10 The duty officer at the reset management centre should have immediate access to the records…
10.11 The method of resetting the alarm signalling system should be such that the reset managemen…
10.12 In order that the alarm receiving centre may continually satisfy the requirements of
10.13 The reset management centre should establish and document a policy of denying reset in rela…
11 10.14 If a false alert has occurred, resetting in accordance with
10.15 If a false alert has occurred, resetting in accordance with
10.16 The alarm receiving centre should inform the alarm company as soon as possible (but always …
10.17 For guidance, a model flowchart for the resetting of remote signalling systems, is shown in
12 Annex A (informative)
Typical steps in the transmission and filtering of alarm conditions
Initiation
Signalling
Reception at alarm receiving centre
Filtering
Policing
Analysis
Annex B (informative)
Progress of an alarm condition
13 Figure B.1Progress of an alarm condition
14 Annex C (informative)
Examples of false alarms
Company�related false alarms
System design
System installation
System maintenance/repair
Control equipment
Movement detectors
Other electrical/electronic device
Non�electrical/electronic device
Subscriber�related false alarms
Insecure premises
Keyholder error
Wrong entry procedure
Wrong exit procedure
15 Twenty�four hour equipment
Irregular opening/closing
Annex D (informative)
Guidelines for designing to minimize false alarms
Firms are advised to use a design check�list as an aide�memoire to specifiers, drawing attention …
Particular attention is drawn to the following documents which aim to assist in the reduction of …
The completion of the setting procedure of the alarm system should preferably be achieved by a me…
Annex E (informative)
Functions of systems performance operatives
Typical functions of chief systems performance operative
Monitor the standards of surveying and installation to ensure that:
Monitor preventative maintenance procedures.
Monitor demands for corrective maintenance.
Monitor records of faulty equipment being returned from installations.
Monitor the alarm company’s false alarm policy:
16 Monitor subscriber complaints.
Monitor liaison with police forces’ local crime prevention officers and with telephone authoritie…
Monitor evaluation trials on new equipment, with particular reference to false alarms.
Ensure compliance with this Draft for Development.
Work with operational management to obtain a reduction in the incidence of false alarms.
Typical functional responsibilities of regional systems performance operative
Monitor and report if regional surveying and installations fail to ensure that:
Monitor and report if preventative maintenance procedures are not adequate.
Monitor demands for corrective maintenance and report if these appear to be excessive or ineffect…
Monitor records of faulty equipment being returned from installations, and report if these appear…
Implement the alarm company’s false alarm policy:
Identify, log and record all subscriber complaints and action taken in response to complaints.
Maintain liaison with police forces’ local crime prevention officers and with telephone authoriti…
Ensure the procedures for false alarm management in this Draft for Development are being followed.
Work under or in liaison with the chief systems performance operative and with regional operation…
17 Annex F (informative)
Preventing false alarms: 10 points to remember
The alarm system is to be operated by persons who have been correctly trained. If there is uncert…
Before leaving the premises check that all doors and windows are physically secured. A walk aroun…
Ensure that detection devices are not obstructed. In particular be careful that infrared beams an…
If space detectors are used do not introduce sources of heat, movement or sound into the area pro…
Always follow the entry/exit procedure agreed with the alarm company. Entry through any door othe…
Before entry, ensure that all the keys necessary to enter the premises are readily available and,…
Inform the alarm company of any alterations to the premises which may affect the alarm system. Do…
Treat the alarm system with care. Wiring and detection devices can be accidentally damaged or mov…
After a false alarm check the system carefully and, if possible, note the cause of activation. In…
Make sure regular maintenance checks are carried out by your alarm company. Remember that excessi…
18 Annex G (informative)
Corrective maintenance report form
Example of corrective maintenance report form
19 Annex H (normative)
Recommendations for the recording of signalled alarm conditions
The statistical analysis of signalled alarm conditions relating to remote signalling alarm system…
Each alarm company should adopt a company�wide standard terminology for categorizing signalled al…
As a minimum, alarm activations should be categorized as one of the following:
A record of false alerts should also be maintained.
The statistics should be reviewed by the operative responsible for alarm systems performance, wit…
To achieve good false alarm management, it is essential that every effort should be made to match…
Alarm activations that do not result in call�out, as well as those that do, should be recorded.
20 Figure H.1 Flow diagram illustrating the compilation of monthly reports on signalled alarm conditions
21 Annex J (informative)
Attendance on false alarms
Introduction
Attendance following activation
Following the notification of an alarm activation a service technician should attend the premises…
The service technician should:
Action to be adopted
Dependent upon the nature and frequency of the service technician’s findings in accordance with�
If the alarm activation can be determined to have been a subscriber error follow the procedure in
If the alarm activation cannot be attributed to subscriber error follow the procedure in
Table J.1 Action to be taken following attendance on subscriber error
22 Table J.2 Action to be taken following attendance on non subscriber errors
23 Annex K (informative)
Resetting of remote signalling systems
Figure K.1 Model flowchart for the resetting of remote signalling systems

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BSI DD 245:2002
$142.49