Security Systems and Alarms Inspection Board. Code of Practice For Scaffold Alarm Systems

Transcription

1 Security Systems and Alarms Inspection Board Code of Practice For Scaffold Alarm Systems Issue: 6 April 2014 Authorised by: G C Tate Position: Chief Executive Signature: Date: 14 April 2014 Uncontrolled when printed Unless explicitly stated otherwise, all rights including those in copyright in the content of this document are owned by or controlled by the Security Systems and Alarms Inspection Board (SSAIB). Except as otherwise expressly permitted under copyright law or under the terms and conditions of any licence granted by SSAIB, the content of this document may not be modified, copied, reproduced, republished, downloaded, posted, broadcast or transmitted in any way without first obtaining SSAIB s written permission. No company shall hold out or claim that it adheres to this code, save by virtue of holding SSAIB registration, or having obtained written permission of SSAIB Copyright 2013 Security Systems and Alarms Inspection Board (SSAIB). SSAIB 2014 Page 1 of 36 SS2006: Issue 6: 04/14

2 Revisions Rev. no. Date Author Changes 1 1/3/13 G C Tate First Issue 2 4/4/13 G Rendall Clause ref. to Table 1 deleted and changed to ref. to cl /4/13 G Rendall Table sec. increased to 128 sec 4 16/4/13 G Tate New definition , editorial changes to clauses: 8.3.3, 8.4.1, Table 7, , ,16.16, 16.17, , , Table A1 5 24/4/13 G Rendall Typographical errors in clauses & /4/14 D Profit Clause ix (now viii) amended to harmonise with Criteria SS2005 Issue 6 criterion 4.6 & SS2004 "a" deleted from were not needed Deleted viii "acceptance" SSAIB 2014 Page 2 of 36 SS2006: Issue 6: 04/14

3 Contents FOREWORD Introduction Scope Reference documents Definitions and abbreviations Definitions Abbreviations System Functions System Components Security grade of SAS Security grading Environmental classification Environmental Class II Indoor General Environmental Class III Outdoor Sheltered or indoor extreme conditions Environmental Class IV Outdoor General Functional requirements Detection of unauthorised persons, tampering and the recognition of faults Operation Notification Tamper security Interconnections Monitoring of interconnection Verification Event recording Power supplies Operational reliability SAS Components Functional reliability Environmental requirements Electromagnetic compatibility Electrical safety Electromagnetic compatibility Documentation SAS documentation SAS component documentation Marking and identification Remote manned centre and ARC Application guidelines Environmental classification General SSAIB 2014 Page 3 of 36 SS2006: Issue 6: 04/14

4 16.3 Other components Safety Unwanted alarms Responsibility Competence Tools Confidentiality Consultation Compatibility System Design System design proposal Selection of components Siting of SAS components Interconnections Setting & Un-setting Indication Notification Power supplies Response to SAS Installation planning Environmental consideration Operation of SAS System installation Inspection, functional test, commissioning and handover Documentation and Records Operation Maintenance and repair Tables Table 1 - Faults Table 2 - Authorisation requirements Table 3 Processing of intruder, tamper and fault conditions Table 4 - Indications Table 5 Tamper detection Components to include Table 6 Types of tampering to be detected Table 7 Maximum unavailability of interconnections Table 8 Verification intervals Table 9 Maximum time period from last signal or message Table 10 Event recording Memory Table 11 Events to be recorded Table 12 - Minimum duration of alternative power supply Table 13 - Alternative power supply Recharge periods Table A1 - ATS performance criteria for SAS SSAIB 2014 Page 4 of 36 SS2006: Issue 6: 04/14

5 FOREWORD This Code of Practice is intended to provide guidance to those responsible for specifying, designing, installing, commissioning, maintaining and where required, repairing scaffold alarm systems and equipment and is it not a substitute for detailed advice in specific circumstances. Although great care has been taken in the compilation and preparation of this Code of Practice, SSAIB cannot in any circumstances accept responsibility for errors, omissions or advice given or for any losses arising from reliance contained in this Code of Practice. During the construction, repair or refurbishment of a building or structure scaffolding may be erected to provide access for construction workers or to provide support to a structure. Unfortunately the scaffolding might also provide access to individuals wishing to gain access for criminal or vandalism purposes. A scaffolding alarm system is intended to detect unauthorised access to scaffolding and provide notification of detection by activating a warning device or signalling to a monitoring centre which will initiate an appropriate response. When the premises to which the scaffolding is providing access is occupied or includes contents of value consideration should also be given to the security of the premises, i.e. by fitting grills/bars over windows and doors and fitting or extending an intruder alarm system complying with PD This code includes two performance grades, Standard and Enhanced, details of which are set out in the body of this document. The main performance differences between the two grades relate to the notification requirements which are summarised below: I. Standard grade SAS are not required to include an alarm transmission system (ATS). If an ATS is included it may to communicate alarm and other conditions to a remote monitoring centre (RMC) that is not required to comply with BS II. Enhanced grade SAS are required to include an ATS which must communicate alarms and other conditions to an alarm receiving centre (ARC) complying with BS 5979 Category II. Response to the activation of a Standard grade SAS including only local notification, i.e. a warning device, will typically result from a member of the public informing the police, scaffolding company or the SAS supplier. For Standard grade SAS including an ATS communicating to an ARC or RMC or Enhanced grade SAS communicating alarm conditions to an ARC the response will be as agreed with the SAS installers client. This Code of Practice is not intended to meet the requirements of the Association of Chief Police (ACPO) officer s policy applying to intruder alarm system or the equivalent Association of Chief Police Officers Scotland (ACPOS) policy. As such this code of practice is not intended to be used for the purpose of obtaining a police response to an alarm condition generated by a SAS. SSAIB 2014 Page 5 of 36 SS2006: Issue 6: 04/14

6 0. Introduction This code of practice is based on the requirements for intruder alarm systems as specified in BS EN and DD CLC/TS As such the code calls up other standards in the EN series. This code should therefore be read in conjunction with the following standards: I. BS EN Intrusion and hold-up systems II. BS EN Warning devices III. BS EN Power supplies IV. BS EN Alarm transmission systems Whilst this code is based on the European Standards applicable to intruder alarm system the provisions of those standards have been amended, in this code, to provide requirements appropriate to a scaffolding alarm system. The structure of the code also follows that of BS EN and DD CLC/TS in those clauses 4 to 8 effectively reflect issues addressed in BS EN and as such define system requirements. In the absence of individual standards for SAS components the requirements, particularly of those specified in clause 8, effectively specify requirements applicable to SAS components. The recommendations included in clause 16 relate to the design, installation, maintenance and repair of SAS. As such these are analogous to the recommendations given in DD CLC/TS As this code is based on the standards for intruder alarm systems it includes recommendations relating to setting and un-setting that include reference to exit routes and entry routes. It is accepted that such routes may not be appropriate in most SAS, i.e. setting and un-setting will be completed by a single action at a CIE or ACE. This code also refers to both unauthorised persons and intruders and intruder detectors. In general terms and unauthorised person and an intruder are one and the same. The terms intruder and intruder detector are used to maintain consistency with the European Standards on which this document is based. 1. Scope This Code of Practice is intended to provide guidance to those responsible for specifying, designing, installing, commissioning, and where required, maintaining and repairing scaffolding alarm systems. 2. Reference documents EN : A1: 2009 Alarm systems Intrusion and hold-up systems Part 1: System requirements EN : 2009 Alarm systems Intrusion systems Part 4: Warning devices EN : 2008 Alarm systems Intrusion systems Part 6: Power supplies EN : 2011 Alarm systems Part 4: Electromagnetic compatibility Product family standard: Immunity requirements for components of fire, intruder and social alarm systems EN : 2011 Alarm systems - Part 5: Environmental test methods EN : A2: 2008 Alarm systems Alarm transmission systems and equipment Part 1-1: General requirements for alarm transmission systems BS 5979:2007; Code of practice for remote centres receiving signals from security systems. SSAIB 2014 Page 6 of 36 SS2006: Issue 6: 04/14

7 BS7499: 2013: Static site guarding and mobile patrol services BS 7858: 2012: Security screening of individuals employed in a security environment EN 60065: A12: 2011 Audio, video and similar electronic apparatus Safety requirements EN : A12:2011 Information technology equipment Safety Part 1: General Requirements EN : A1: 2011 Electromagnetic compatibility (EMC) Part 6-3: Generic standards Emission standard for residential, commercial and light-industrial environments RISC Authority document S6: Electronic Security Systems: Guidance on key-holding selection and duties 3. Definitions and abbreviations 3.1 Definitions For the purposes of this document, the following terms and definitions apply: access level level of access to particular functions of an scaffolding alarm system alarm warning of the presence of a hazard to life, property or the environment alarm company organisation which provides services for SAS e.g. design, installation, maintenance, repair alarm notification passing of an alarm condition to warning devices and/or alarm transmission systems alarm receiving centre continuously manned centre complying with BS5979 Category 2 to which information concerning the status of one or more SAS is reported alarm condition condition of a SAS, or part thereof, which results from the response of the system to the presence of a hazard alarm transmission system equipment and network used to transfer information concerned with the state of one or more SAS to one or more alarm receiving centres alternative power source power source capable of powering the SAS for a predetermined time when the PPS is unavailable ancillary control equipment equipment used for supplementary control purposes as-fitted document document in which details of SAS as actually installed are recorded. SSAIB 2014 Page 7 of 36 SS2006: Issue 6: 04/14

8 authorisation permission to gain access to the various control functions of an SAS control and indicating equipment equipment for receiving, processing, controlling, indicating and initiating, the onward transmission of information commissioning putting a SAS into operational mode client individual or corporate body responsible for acquiring the SAS detector device designed to generate an intruder alarm signal or message in response to the sensing of an abnormal condition indicating the presence of a hazard documentation specifications, records, instructions and other material, held on any type of media prepared during the design, installation, commissioning and handover of SAS recording details of the SAS entry/exit route route by which authorised entry or exit to the supervised area or part thereof may be achieved equipment schedule list of equipment to be installed or actually installed fault condition condition of an alarm system which prevents a SAS or parts thereof from functioning normally indication information (in audible, visual or any other form) provided to assist the user in the operation of a SAS inhibit status of a part of an SAS which an alarm condition cannot be notified, such status remaining until the SAS or part thereof passes from the set to the unset status interconnection means by which messages and/or signals are transmitted between SAS components isolation status of a part of an SAS in which an alarm condition cannot be notified, such status remaining until cancelled by the user lift scaffolding at a given level, e.g. a scaffold platform local notification passing of an alarm, tamper or fault conditions to an audible or visual warning device(s). SSAIB 2014 Page 8 of 36 SS2006: Issue 6: 04/14

9 message series of signals routed via interconnections which include identification, function data and the various means for providing its own integrity, immunity and proper reception monitoring process of verifying that interconnections and equipment are functioning correctly notification passing of an alarm, tamper or fault conditions to a warning device(s) and/or RMC or ARC operational mode state of an alarm system when it is complete, commissioned and ready for use operator any authorised individual using an SAS for its intended purpose override intervention, by a user, to permit setting when an SAS is not in a normal condition part set status of a SAS in which an alarm condition can be notified but part of the SAS is unset power supply that part of an alarm system which provides power for SAS or any part thereof prime power source energy source capable of supporting the SAS for extended periods e.g. mains supply remote notification passing of alarm, tamper or fault conditions to an ARC or RMC indicating that a hazard has been detected at or on the supervised scaffolding remote manned centre A building with secure access that is continuously manned by personal trained in dealing with system activations and having a means of communicating with the responding company duty personnel, the key-holders and, if necessary, the emergency services response action(s) taken following the activation of a SAS. Note: Actions may be taken by the organisation that supplied the SAS or a third party restore process of cancelling an alarm, tamper, fault or other condition and returning an SAS to a previous condition scaffolding Temporary structure used to support people and materials in the construction or repair of buildings and other large structures scaffold alarm system electrical installation installed on scaffolding lift(s) which responds to the automatic detection of the presence of a hazard SSAIB 2014 Page 9 of 36 SS2006: Issue 6: 04/14

10 An area to which to which access is restricted set status of a SAS or part thereof in which an alarm condition can be notified service provider Organisation responsible installing a SAS signal variable parameters by which information is conveyed specifier individual or corporate body responsible for stipulating the requirements SAS will be required to meet supplementary prime power source energy source (independent of the prime power source) capable of supporting an SAS for extended periods, without affecting the standby period of the alternate power source, e.g. a generator supervised scaffold part of the scaffold on which an intrusion or hazard may be detected by a SAS system components individual items of equipment which constitute a SAS when configured together system record history of maintenance, faults, repair or modifications to the SAS. EXAMPLE: A log book or electronic record tamper deliberate interference with a SAS or part thereof tamper alarm alarm generated by tamper detection tamper condition condition of a SAS in which tampering has been detected tamper detection detection of deliberate interference with an SAS or part thereof tamper protection methods or means used to protect a SAS or part thereof against deliberate interference unset status of a SS or part thereof in which an alarm condition cannot be notified unwanted alarm alarm conditions not generated by an intrusion or attempted intrusion on to the supervised scaffold. SSAIB 2014 Page 10 of 36 SS2006: Issue 6: 04/14

11 unauthorised person person not authorised to access scaffolding, e.g. an intruder or potential intruder using the scaffolding to access the property, or adjacent property, to which the scaffolding is attached. Note: For the purpose of this code of practice the term unauthorised person is synonymous with intruder and the term intruder is used, where appropriate, in this document user person authorised to operate an SAS warning device a device that gives an audible alarm in response to a notification. Note: A warning device may also provide alert indications providing such indications are easily distinguishable from an alarm wire-free interconnection interconnection conveying information between SAS components without physical media, e.g. using RF techniques Zone area of the supervised scaffold where an intrusion or attempted intrusion may be detected by an SAS. Note: Although a zone could contain just one detector, the term zone is not synonymous with one detector input. A zone may include any number of detectors. 3.2 Abbreviations For the purposes of this document, the following abbreviations apply. ACE APS ARC ATE ATS CIE PIR PPS PS RMC SAS SPT WD Ancillary Control Equipment Alternative power source Alarm Receiving Centre Alarm transmission equipment Alarm Transmission System Control and Indicating Equipment Passive Infra-Red Prime power source Power Supply Remote Manned Centre Scaffold Alarm System Supervised Premises Transceiver Warning Device 4. System Functions A SAS shall include, as appropriate to the configuration of the SAS, the functions specified in this code for the detection of unauthorised persons, processing of information, notification of alarms and the means to operate an SAS. SSAIB 2014 Page 11 of 36 SS2006: Issue 6: 04/14

12 Functions additional to the functions specified in this code may be included in SAS providing they do not influence the correct operation of the specified functions. 5. System Components SAS components shall be classified according to their environmental capability and graded according to their performance. SAS components shall be compatible within an SAS and selected according to the system grade and appropriate environmental classification. Components of other applications may be combined or integrated with an SAS providing the performance of the SAS components is not adversely influenced. 6. Security grade of SAS 6.1 Security grading This code of practice describes two security grades, Standard and Enhanced. The security grade of an SAS will depend upon the performance required as determined by the alarm company in agreement with the client. Except where otherwise stated in this code of practice, requirements apply to both Standard and enhanced SAS. 7. Environmental classification Components shall be suitable for use in one of the following environmental classes. Environmental test requirements, appropriate to SAS components, are included in EN The tests and performance criteria applied should be appropriate to the intended operational environment of a SAS component. The selection of the environmental class of each SAS component should be determined by the environmental conditions in which the component is expected to operate. 7.1 Environmental Class II Indoor General Environmental influences normally experienced indoors when the temperature is not well maintained (e.g. in corridors, halls or staircases and where condensation can occur on windows and in unheated storage areas or warehouses where heating is intermittent). Note: Temperatures may be expected to vary between -10 C and +40 C with average relative humidity of approximately 75 % non-condensing. 7.2 Environmental Class III Outdoor Sheltered or indoor extreme conditions Environmental influences normally experienced out of doors when TAS components are not fully exposed to the weather or indoors where environmental conditions are extreme. Note: Temperatures may be expected to vary between -25 C and +50 C with average relative humidity of approximately 75 % 7.3 Environmental Class IV Outdoor General Environmental influences normally experienced out of doors when SAS components are fully exposed to the weather. Note Temperatures may be expected to vary between -25 C and +60 C with average relative humidity of approximately 75 % non-condensing. For 30 d per year relative humidity can be expected to vary between 85 % and 95 % non-condensing. SSAIB 2014 Page 12 of 36 SS2006: Issue 6: 04/14

13 8. Functional requirements 8.1 Detection of unauthorised persons, tampering and the recognition of faults SAS shall include, as appropriate to its configuration, means for the detection of unauthorised persons, tampering and the recognition of faults necessary to meet the requirements of this document. An individual detector may be configured to require more than one activation to generate an alarm condition Intrusion detectors Detectors shall be suitable for the environment in which they are expected to operate and may incorporate more than one technology. Detectors shall be designed and installed so as to maximise the detection of genuine intrusion and minimise the risk of unwanted alarms An intruder signal or message shall be generated for the required duration when an intrusion detector has been activated. This duration shall be as necessary to ensure communication is achieved Tamper detection Tamper detection shall be incorporated in all SAS components as specified in Clause Recognition of faults SAS shall include a means of detecting and indicating fault conditions specified in Table 1. Table 1 - Faults Faults Standard Grade Enhanced Grade Detector(s) M M Prime power source M M Alternative power source M M Interconnections M M Alarm transmission system(s) Op M Warning device(s) M M Key: M = Mandatory Op = Optional. The requirement for SAS to recognise detector, ATS and WD faults does not imply such equipment is required to provide a dedicated faults output, for example a WD fault may be derived from a failure of periodic communication Other types of detectors SAS may include other types of detectors providing these do not adversely influence the operation of intrusion detectors. 8.2 Operation CIE should include means for a user to reliably operate the SAS. SSAIB 2014 Page 13 of 36 SS2006: Issue 6: 04/14

14 Depending on the SAS grade when an intrusion or tamper detector is activated or a fault occurs the SAS shall provide local and/or remote notification. In addition the SAS may also communicate with responding personnel Access levels This code of practice specifies a minimum of two access levels typically for use by the following: i. User ii. Alarm company Additional access levels may be provided e.g. for Guards or other third party response personnel Authorisation Permission to gain access to the functions, e.g. setting, un-setting, restoring, of a SAS shall be restricted by the use of authorisation codes as specified in Table 2. Table 2 - Authorisation requirements Standard Grade differs Enhanced Grade differs Logical key 1,000 10,000 Mechanical key 300 3,000 Reference to mechanical and logical keys in the above table does not exclude the use of other means of authorisation, e.g. biometrics Setting and Un-setting There shall be facilities to restrict access to the means of setting and un-setting to user(s). The means provided should enable a user to set and unset an SAS whilst minimising the possibility of incorrect operation. Means shall be provided to set or unset SAS manually by a user or automatically at predetermined times. Note: It is permitted to provide means to unset SAS manually or automatically or both Setting Means shall be provided to prevent setting of a SAS or part thereof unless all the functions of a SAS are in a normal condition. During the setting procedure means to provide an audible or visual indication shall be provided, e.g. to indicate that setting has commenced and has been successfully completed or has failed Prevention of setting Setting of an SAS or part thereof shall be prevented, unless overridden by a user, when a detector(s) is in an alarm condition or in the presence of a fault as listed in Table Overriding prevention of setting Conditions preventing setting, e.g. faults, detectors in alarm condition, may be overridden by authorised users. The overriding of a condition shall be limited to each set period. Overriding of prevention of set conditions shall be recorded in the event log. It shall not be possible to override a prevention of setting condition if overriding would result in the generation of an alarm condition. SSAIB 2014 Page 14 of 36 SS2006: Issue 6: 04/14

15 8.2.7 Set state When the setting procedure has been satisfactorily completed there shall be a time limited completion of setting indication to show the system or part thereof has changed to a set state. Note: The completion of setting indication should be of sufficient duration to enable a user to ascertain the status of a SAS Un-setting In both grades un-setting of a SAS or part thereof shall be achieved by an authorised action. Means shall be provided to un-set a SAS without causing un-wanted alarms. Means shall be provided to unset a SAS with a single action or by a two stage procedure, i.e. commencing un-setting at one location and completing it at another, e.g. an entry procedure. Note: Means should be provided to enable two stage un-setting or un-setting by a single action or both. A maximum period of 60 seconds shall be permitted to complete the un-setting procedure. During this period there shall be an indication. When the un-setting procedure has been satisfactorily completed there shall be a completion of un-setting indication to show the system or part thereof has changed to the unset state. The completion of un-setting shall be indicated for a maximum of 30 s When an alarm condition occurs during the un-setting procedure means shall be provided to notify the condition by actuating a warning device or indication Inhibit and Isolate SAS may include the means to permit the user to isolate or inhibit individual functions, e.g. a detector Restoring SAS shall include the means to permit the user to restore the SAS or part thereof following an alarm, tamper or fault conditions Test SAS shall include means for a user to carry out a functional test of the SAS. Means to test the functioning and performance of movement detectors shall also be provided, e.g. a walk test indicator Processing Intruder, tamper and fault signals or messages shall be processed in accordance with the requirements of Table 3. SSAIB 2014 Page 15 of 36 SS2006: Issue 6: 04/14

16 SAS status Set Unset Table 3 Processing of intruder, tamper and fault conditions Inputs Outputs Intruder Alarm Standard Tamper Alarm Fault Condition Intruder Alarm Enhanced Tamper Alarm Fault Condition Indications M M M M M M Warning device ATS Message Type M * M * Op M * M * Op Intruder Intruder or Tamper Op as Fault Intruder Intruder or Tamper Op as Fault Indications M M M M M M Warning device ATS Message Type NP Op NP NP Op NP NP Op as Tamper Op as Fault NP Op as Tamper Op as Fault M = Mandatory, Op = Optional, NP = Not permitted *The operation of WD may be suppressed in agreement with the client, see The contents of this table should be read in conjunction with the requirements applicable to intruder, tamper and fault conditions Indications The following indications specified in Table 4 shall be provided. Indications may be visible and/or audible. With the exception of setting and un-setting indicators indications shall remain available until cancelled by a user. It shall not be possible to cancel an indication until the condition causing the indication is no longer present. SSAIB 2014 Page 16 of 36 SS2006: Issue 6: 04/14

17 Table 4 - Indications Indications Standard Enhanced SAS set/part set M M SAS unset M M Intruder alarm condition M M Intruder zone identification M M Inhibited M M Isolated M M Alternative power source - Low voltage b M M Fault conditions M M Tamper condition M M Initiation of setting a Completion of setting a M M Initiation of un-setting a M M Completion of un-setting a M M M = Mandatory, Op = Optional a These indications are time limited b SAS using Type A or B power supplies c Only when setting is initiated inside the supervised and completed outside the supervised area, i.e. two stage setting 8.3 Notification Notification grading Standard SAS A Standard SAS shall include, as a minimum at least one audible warning device. Remote notification to an RMC or an ARC may also be provided but is not mandatory. Means may also be included to signal information directly to responding personnel Enhanced SAS An Enhanced SAS shall include, as a minimum at least one audible warning device. Remote notification to an ARC shall also be provided. Means may also be included to signal information directly to responding personnel Warning devices Local notification shall be provided by warning device(s) complying with the requirements of BS EN at the following grades: i. Standard Grade 2 ii. Enhanced Grade 3 The environmental classification of WD should be consistent with the environment in which they are required to operate. c M c M SSAIB 2014 Page 17 of 36 SS2006: Issue 6: 04/14

18 8.3.3 ATS Remote notification included in Enhanced SAS shall be provided by an ATS complying with the requirements of BS EN Table 11 at ATS 2 The environmental classification of SPT should be consistent with the environment in which the equipment is required to operate. Annex A includes performance criteria applicable to ATS Tamper security Tamper protection SAS components shall provide means to prevent access to internal elements to minimise the risk of tampering. Requirements for tamper protection may vary dependent on the grade of an SAS and whether an SAS component is intended to be located within or outside of the area supervised by the SAS. All terminals and means of mechanical and electronic adjustment shall be located within component housings. Housings shall be sufficiently robust to prevent undetected access to internal elements without visible damage. Means of access to internal elements of control and indicating equipment, ancillary control equipment, supervised premises transceiver, and warning devices and power supplies shall be robust and mechanically secured. Normal access shall require the use of an appropriate tool. Means of access to the internal elements of detectors shall be secured and normal access shall require the use of a tool. Access to means provided to adjust the field of view of a detector shall be made inaccessible to unauthorised persons Tamper detection SAS components specified in Table 5 shall include means to detect tampering. Table 6 specifies the types of tampering to be detected. Tamper detection shall operate in both set and unset state in all grades. Ancillary control equipment designed for use outside of the area supervised by the SAS shall include means to prevent the substitution of the ancillary control equipment and/or communication between the ancillary control equipment and the CIE. This requirement need not apply when any such substitution cannot influence the correct operation of an SAS. SSAIB 2014 Page 18 of 36 SS2006: Issue 6: 04/14

19 Table 5 Tamper detection Components to include Components Standard Enhanced CIE/ACE a /SPT/WD/PS M M Intrusion detectors b M M Junction boxes c Op M Key: Op = Optional M = Mandatory. a b Portable ACE are not required to comply with the requirements of this table. It is accepted that it may be impractical to provide tamper detection to magnetically or mechanically actuated switches. However it may be necessary to protect magnetically actuated devices against tampering with an external magnetic or electro-magnetic source. c In both grades when an SAS includes protection against the substitution of communication between CIE and other system components, junction boxes need not be provided with tamper detection. Table 6 Types of tampering to be detected Means Standard Grade Enhanced Grade Opening by normal means M M Removal from mounting Wire-free SAS b M c M c Removal from mounting Wired SAS b M c M c Detector orientation adjustment a Op Op Key : Op = Optional M = Mandatory. a b c When orientation adjustment is possible. Removal from the surface upon which the component is mounted Applies to CIE and WD 8.5 Interconnections General Interconnections between the SAS components shall be suitable for the purpose and designed to provide reliable means of communication. Interconnections may be hardwired or wire-free Availability of interconnections Interconnections shall be available to provide a reliable means of conveying signals or messages. When interconnections are shared with other applications the availability of the interconnection, to a SAS shall be sufficient to meet the requirements of this code. 8.6 Monitoring of interconnection Table 7 specifies the maximum permitted period for an interconnection to be unavailable. When the maximum permitted period is exceeded a tamper signal or message shall be generated. This requirement do not apply to portable ACE. SSAIB 2014 Page 19 of 36 SS2006: Issue 6: 04/14

20 Maximum permitted duration of unavailability Table 7 Maximum unavailability of interconnections Standard Grades Seconds Enhanced Grade Seconds The requirement above is intended to establish if communication is possible by monitoring the communication media to ascertain if it is available to provide communication between CIE and other SAS components. Monitoring may take the form of listening for jamming when RF techniques are employed or when a SAS shares a BUS system with other applications checking that another application has not taken permanent control of the BUS. In both grades of SAS when the time period between periodic communications exceeds 100 seconds, the interconnection media shall be monitored to establish its availability to communicate. 8.7 Verification Interconnection integrity Periodic communication Interconnection integrity shall be continually verified at intervals not exceeding those specified in Table 8. In the event of communication not being verified as specified in Table 7 the condition specified below shall be generated: i. SAS Set Tamper condition ii. SAS Unset - Fault condition Table 8 Verification intervals Maximum permitted intervals between periodic communication Verification during setting procedure Standard Grade minutes Enhanced Grade minutes Setting of a SAS shall be prevented when the last verification communication from any system component exceeds the periods specified in Table 9. Note: A verification communication may be any valid communication between the CIE and a system component, e.g. intruder, tamper or fault signal or message Table 9 Maximum time period from last signal or message Maximum time from the receipt of the last signal or message Standard Grade minutes Enhanced Grade minutes Timing All alarm, tamper or fault signals with an active period (e.g. in alarm condition) exceeding 400ms shall result in the generation of an alarm, tamper or fault condition within 10 seconds Fault signals with an active period (e.g. in alarm condition) exceeding 10 seconds shall result in the generation of an alarm, tamper or fault condition within 10 seconds SSAIB 2014 Page 20 of 36 SS2006: Issue 6: 04/14

21 8.8 Event recording Dependent upon the Grade of a SAS the events listed in Table 10 below shall be recorded in the CIE and/or RMC or ARC. The means used to record the mandatory events shall be protected against the accidental or deliberate deletion or alteration of the contents. The means of recording events shall have a capacity complying with the requirements of Table 8. When the capacity of the means of recording is finite and the event recorder reaches maximum capacity, further events may cause the oldest events to be erased. Enhanced SAS shall include means to store events awaiting transmission. Remote means of recording shall comply with the requirements of Table 10 and Table 11. The number of events recorded from any single source shall be limited to at least three and a maximum of 10 during any set or unset period. Table 10 Event recording Memory Capacity & Endurance Standard Grade Enhanced Grade Memory capacity Minimum number of events Minimum endurance of memory after SAS power failure. 10 events 30 days 500 events 30 days Table 11 Events to be recorded Event Standard grade Enhanced grade Set/Unset M M Alarm and/or tamper condition M M PPS fault ( if applicable) M M APS fault M M Interconnection fault Op M ATS Signalling fault Op M WD fault M M Overriding prevention of setting conditions M M 8.9 Power supplies Power supplies should comply with the requirements of BS EN at the following grades: i. Standard Grade 1 ii. Enhanced Grade 2 Power supplies may be one of the following: Type A: Type B: Type C: A prime power source, e.g. mains supply, and an alternative power source recharged by a SAS, e.g. a rechargeable battery, automatically recharged by a SAS. A prime power source and an alternative power source not recharged by a SAS, e.g. a battery, not automatically recharged by a SAS. A prime power source with finite capacity, e.g. a battery. Where the prime power source has finite capacity (e.g. a battery) the power supply is considered to be of type C. SSAIB 2014 Page 21 of 36 SS2006: Issue 6: 04/14

22 The power supply shall be capable of supporting the SAS in all conditions including when recharging storage devices within the periods specified in Table 12. The power supply may be placed in one or more SAS components or in a separate housing. A change over between the prime power source and the alternative power source and back again, shall not create an alarm condition, or otherwise influence the status of an SAS. In both grades of SAS having a type C power supply as the prime power source, the prime power source shall be capable of powering the SAS for a minimum of one year, in all the conditions of use. Type C power supply shall generate a fault condition before the voltage falls below the level required for the normal functioning of an SAS. Enhanced grade systems must signal a low battery condition to the ARC. In all SAS using type A or B power supplies, in case of failure of the prime power source, the alternative power source shall be capable of powering an SAS for the periods specified in Table 12. During the periods specified in Table 12 the power supply shall be capable of providing the power required for normal functioning of an SAS, including sufficient power to ensure the generation of all mandatory indications and notifications resulting from the processing of two separate intruder condition. Table 12 - Minimum duration of alternative power supply Types of power supply Standard Enhanced Type A Type B In both grades of SAS, when a prime power source fault is notified to an alarm receiving centre or other remote centre, the duration the alternative power supply may be halved. Note: Notification of prime power supply fault may be delayed for a maximum of 1 hour. For Type A and B power supplies when a supplementary prime power source with automatic change over between the prime power source and the supplementary prime power source is provided, the period the alternative power source is required to power the SAS may be reduced to 4 hours. In both grades of SAS an indication shall be provided when the voltage available from the alternative power source falls below the level required for an SAS to operate correctly. The actual voltage at which the indication is provided does not have a direct relationship to the period the alternative power source is capable of supporting an SAS. In SAS including a type A power supply, the alternative power source shall be recharged to provide 80 % of maximum capacity within the periods specified in Table 13. Table 13 - Alternative power supply Recharge periods Type A PS Standard Enhanced Maximum time to recharge Where the PS is a battery, allowance should be made for loss of capacity during the lifetime of the battery. SSAIB 2014 Page 22 of 36 SS2006: Issue 6: 04/14

23 9. Operational reliability Means shall be provided to ensure that operator errors which might adversely influence the normal operation of an SAS are either prevented or indicated. 9.1 SAS Components Components of an SAS used during the operation of an SAS shall be clearly and unambiguously marked and logically arranged in such a manner as to minimise the possibility of incorrect operation. Only those functions accessible at the users access level shall be made available to the user 10. Functional reliability SAS components shall comply with relevant standards. The design and the configuration of an SAS shall ensure the operation of the SAS according to the requirements of this code. This could be achieved by clear rules for design and installation, clear rules for adjustment and maintenance, correct manufacture, regular maintenance, designed to provide a high signal-to-noise ratio, well-designed software, elements operating within design limits (voltage, temperature), testability of functions (by user, installer), 11. Environmental requirements The environmental stability of SAS shall be of the same level in both grades. The operation of a SAS shall not be influenced when the SAS is subject to the environmental conditions specified in Clause 7 and when exposed to EMC conditions specified in 11.1, at the required severity levels, a SAS shall neither change state, suffer damage to components nor substantially change in performance. EN describes environmental test methods which shall be applied to SAS components Electromagnetic compatibility The electromagnetic compatibility performance requirements for SAS components are described in EN and EN Electrical safety The SAS components shall provide protection against electrical shock and the consequential hazards in accordance with the requirements of EN or EN Electromagnetic compatibility The electromagnetic compatibility performance requirements for SAS components are described in EN and EN Documentation 13.1 SAS documentation Documentation relating to a SAS shall be concise, complete and unambiguous. Information shall be provided sufficient to install, put into operation, operate and maintain a SAS. SSAIB 2014 Page 23 of 36 SS2006: Issue 6: 04/14

24 Instructions relating to the operation of a SAS shall be designed to minimise the possibility of incorrect operation and be structured to reflect the access level of the user SAS component documentation Documentation relating to SAS components shall be concise, complete and unambiguous. The documentation shall be sufficient to ensure the correct installation, putting into operation and maintenance of SAS components. Sufficient information shall be provided to ensure the integration of each component with other SAS components. Component documentation shall include the following: name of manufacturer or supplier; description of equipment; name or *mark of the certification body (if component certificated); security grade; environmental class. *If certified 14. Marking and identification All SAS components shall be marked with the following: name of manufacturer or supplier; type; date of manufacture or batch number or serial number; security grade; environmental class. The marking shall be legible, durable and unambiguous. When space for marking of a SAS component is limited, codes may be used providing these are described in the associated component documentation. When insufficient space is available for codes the component shall include means of identification which allows cross reference to documentation providing the required information. 15. Remote manned centre and ARC A remote manned centre (RMC) shall meet the following requirements:-. i. Be located in a secure building ii. iii. Be continuously manned by trained personnel. Have a suitable means of communicating with responding company duty personnel, the key-holders and if necessary the emergency services An Alarm Receiving Centre (ARC) should be independently certified as conforming to BS 5979 (Category 2) by an accredited certification body holding accreditation that includes this standard within its accredited scope. SSAIB 2014 Page 24 of 36 SS2006: Issue 6: 04/14

25 16. Application guidelines 16.1 Environmental classification The environmental class of each system component should be determined by the environmental conditions in which the component is expected to operate. Note: Clause 7 specifies three environmental classes applicable to SAS components General The system should be installed and configured in accordance with the system design proposal. Any deviations, from the design proposal, should be agreed, in writing, with the client. Note: A system design proposal is required only when requested by a client, see clause Other components Components of other systems may be combined or integrated with a SAS providing the performance of the SAS components is not adversely influenced Safety General safety This code of practice is not intended address matters relating to safety. It is the responsibility of the organisation responsible for the design, installation, commissioning, maintenance and repair of SAS s and those they employ to ensure safe working practices are employed. The list of regulations set out below should be considered, however the list is not intended to be exhaustive and other regulations may also apply: i. The Health and Safety at Work etc. Act 1974 ii. The Work at Height Regulations 2005 iii. The Construction (Design and Management) Regulations 2007 iv. The Personal Protective Equipment Regulations 2002 v. The Control of Noise at Work Regulations 2005 The following clauses include further safety considerations Risk assessment Consideration should be given to carrying out a risk assessment prior to personnel mounting the scaffolding Training The following training should be considered: i. Training staff to work at height ii. Training staff in the use of ladder/step ladder and other access equipment Note The above list is not intended to be definitive and is included for guidance only Lighting There should be adequate lighting provided where dusk or night time work is undertaken on an SAS Method statement Consideration should be given to the preparation of a method statement relating to the design, installation, commissioning and handover, maintenance and repair of SAS s SSAIB 2014 Page 25 of 36 SS2006: Issue 6: 04/14

26 Construction Skills Certificate Scheme (or equivalent) Consideration should be given to the need for operatives to be registered to the CSCS scheme or another Health and Safety scheme required by the client or contractor Other legislation With regard to the storage, transport, treatment and disposal of waste electrical equipment the requirements of the Waste Electrical and Electronic Equipment (Amendment) Regulations 2009 should be followed Electrical safety Installation National or European requirements relating to safety may exist. Such requirements are not included in this code of practice and reference should be made directly to the relevant National or European standards. Note: Attention is drawn to the requirements of the current edition of BS7671 (The IET Wiring Regulations), and to the obligations imposed by the Electricity at Work Regulations HSE has published Guidance on these regulations Reference HSR25, available for free download from the HSE website. Only competent persons should undertake work on mainspowered equipment. SAS equipment should be tested at least every time equipment is reused on another site Unwanted alarms Care should be taken by alarm companies and users, to minimize unwanted alarms Responsibility Responsibility for each individual stage in the process of supplying a SAS; design, installation, commissioning and hand-over should be clearly defined and agreed between the relevant parties Competence Persons responsible for risk assessment and the design, installation planning, system installation, maintenance and repair of SAS should have the necessary training and experience. Such training should include that related to health and safety issues and related legislation with regard to the risk associated with working on scaffolding. Training records should be maintained with regard to the training conducted with respect to SAS and safety Tools Persons responsible for installation planning, system installation, commissioning, maintenance, repair and inspection of SAS should have the appropriate tools and test equipment Confidentiality Information relating to the design, installation, operation and maintenance of SAS should be treated as confidential Consultation The design of a system should be determined in consultation with the client or specifier of the SAS (or their representative) and any other interested parties, e.g. insurers When considered necessary, expert advice should be obtained. SSAIB 2014 Page 26 of 36 SS2006: Issue 6: 04/14