Aico RFD manual Document Itself, NEW Build Properties, Changes to Grades, Fire Risk Assessment

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THE ESSENTIAL CHANGES TO BS 5839: Pt.6: 2004 – AT A GLANCE

THE DOCUMENT ITSELF

Each clause of the document is now split into 2 parts. Firstly, there is the commentary – in italics – this sets out the reasoning behind what at first sight may appear to be arbitrary recommendations. The recommendations are in normal type, so it is quite possible to simply refer to these alone. The intention is to make the document easier to use; whether it succeeds in this aim is a matter of personal perception.

NEW BUILD PROPERTIES

There are now extended recommendations with regard to new build properties. Essentially these are:

•All properties must have mains powered alarms with a back-up supply – Grade D system

•Smoke alarms should be positioned in escape routes

•Heat alarms should be fitted in the kitchen and possibly the principal habitable room. The definition of a principal habitable room is ‘habitable room that is normally the most frequently used room for daytime living purposes’. This would normally be the living or dining room

CHANGES TO GRADES

There is essentially no change to Grade F, although a five year minimum battery life is recommended in tenanted properties, along with a recommendation that the battery can only be removable by the use of a special tool. A slot headed screwdriver is not considered as meeting this requirement as many articles can be used as an alternative.

Grade C systems now require a central control, rather than a level of control as previously. This implies that some form of

panel is required and security systems are put forward as a possible means of meeting this requirement.

Grades D, E and F now include heat alarms.

FIRE RISK ASSESSMENT

Fire Risk Assessment receives brief coverage at the start, with much greater emphasis given to the subject in Annex A at the back of the document.

It is worth noting the Commentary of Section 4.1: “It is considered that the level of fire risk in dwellings covered by this part of BS 5839 is unlikely ever to be sufficiently low to obviate the need for some form of fire detection and fire alarm system”.

LEVEL OF COVERAGE

LD1, LD2 and LD3 remain unchanged.

However, the terminology has changed. The Code now refers to ‘Category’ of system instead of ‘Type’ of system.

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Contents Guide to Residential Fire Detection Contents Introduction Smoke Alarm Reliability Smoke Alarm PerformanceBattery Powered Alarms Mortality StatisticsNEW Build Properties Document ItselfChanges to Grades Fire Risk AssessmentFalse Alarm Control Other Alarm TypesAlarms for the Deaf and Hard of Hearing RF Interconnection Wireless SystemsSystems Scope of BS 5839 Pt.6Assessing Fire Risk System Design Fire Risk AssessmentWHO is Most AT RISK? Fire Risk Where do Fires START?Property Protection Types of Alarm TechnologySystem Planning Silencing & DisablementOther Systems Levels of Protection Categories of System Quality & CompatibilityGrade System Selecting the Right System Prescriptive Advice SummaryNew Build Existing PropertiesSingle Storey Dwelling Choosing Which Alarms to USEPositioning of Smoke Alarms Siting of Smoke AlarmsPositioning Heat Alarms Ceiling MountingPower Source Installation of Grade D and E SystemsAudibility Special Needs ProvisionTesting and Maintenance Wiring of Mains Powered Smoke and Heat AlarmsCertification and Paperwork NegligenceLocations to Avoid Rapid Reference GuideLocation Limitations of Smoke Alarms Testing & MaintenanceFalse Alarms Innovative Design and Quality Features Throughout Disposal Radiolink Ancillary Products Page Ei128R Relay Base mains powered only Ei159 Smoke Alarm Locator SwitchModifire MCP400 Manual Call PointSAB300 Remote Strobe Xenon Beacon Ei152 Remote Test & Hush SwitchSABV4 High Intensity Strobe Xenon Beacon YO3 Remote SounderEi115 Anti-Vandal Cage LOW Voltage Series AlarmsSAT332 Smoke Alarm Tester Aico on the WEB Trouble ShootingTechnical Support With Reference to BS 5839 Pt

RFD specifications

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