AS 1851 10 1989 maintenance of fire protection equipment

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AS 1851.10-1989 Maintenance of fire protection equipment - Emergency warning and intercommunication systems

Licensed to LUU MINH LUAN on 25 Feb 2002

AS 1851.10—1989

Australian Standard R

Maintenance of fire protection equipment

Part 10: Emergency warning and intercommunication systems

This Australian Standard was prepared by Committee BD/56, Emergency Warning and Intercommunication Systems in Buildings It was approved on behalf of the Council of Standards Australia on 4 May 1989 and published on 13 October 1989

The following interests are represented on Committee BD/56:

Association of Consulting Engineers, Australia Australian Assembly of Fire Authorities Australian Fire Protection Association Australian Uniform Building Regulations Coordinating Council Building Owners and Managers Association of Australia Commonwealth Fire Board

Department of Administrative Services–Construction Group Department of Defence

Electrical Contractors Associations of Australia Fire Protection Industry Association of Australia Insurance Council of Australia

Public Works Department, New South Wales Public Works Department, Victoria

Safety Institute of Australia Telecom Australia

Review of Australian Standards To keep abreast of progress in industry, Australian Standards are subject to

periodic review and are kept up to date by the issue of amendments or new editions as necessary It is important therefore that Standards users ensure that they are in possession of the latest edition, and any amendments thereto Full details of all Australian Standards and related publications will be found in the Standards Australia Catalogue

of Publications; this information is supplemented each month by the magazine ‘The Australian Standard’, which subscribing members receive, and which gives details of new publications, new editions and amendments, and of withdrawn Standards.

Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia, are welcomed Notification of any inaccuracy or ambiguity found in an Australian Standard should be made without delay in order that the matter may be investigated and appropriate action taken.

This Standard was issued in draft form for comment as DR 85305.

AS 1851.10—1989

Australian Standard R

Maintenance of fire protection equipment

Part 10: Emergency warning and intercommunication systems

First published as AS 1851.10—1989.

PUBLISHED BY STANDARDS AUSTRALIA (STANDARDS ASSOCIATION OF AUSTRALIA)

1 THE CRESCENT, HOMEBUSH, NSW 2140

ISBN 0 7262 5791 5

This Standard was prepared by Standards Australia’s Committee on Emergency Warning and Intercommunication Systems in Buildings

It specifies the periodic inspections and maintenance checks to be carried out on emergency warning and intercommunications systems installed in accordance with AS 2220

CONTENTS

Page

1 SCOPE 3

2 REFERENCED DOCUMENTS 3

3 DEFINITIONS 3

4 PERIODIC INSPECTIONS 3

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3 AS 1851.10—1989

STANDARDS AUSTRALIA

Australian Standard Maintenance of fire protection equipment

Part 10: Emergency warning and intercommunication systems in buildings

1 SCOPE This Standard sets out requirements for the

regular maintenance of the emergency warning and

intercommunication system in a building (referred to as

‘system’), which complies with AS 2220.1 and

AS 2220.2

documents are referred to in this Standard:

AS

1259 Sound level meters

2220 Emergency warning and intercommunication

systems in buildings 2220.1 Part 1: Equipment design and manufacture

2220.2 Part 2: Design, installation and commissioning

SAA

MP 44 Guide for the use of sound measuring

equipment

3 DEFINITIONS For the purpose of this Standard, the

definitions given in AS 2220.1 and AS 2220.2, and that

below apply

3.1 Owner the building owner or his agent

4 PERIODIC INSPECTIONS.

4.1 General In addition to the requirements of this

Standard the system shall comply with any additional

specific requirements of the Regulatory Authority The

following general requirements shall apply:

(a) Prior to any testing, the occupants of the building

shall be advised that a test is to be conducted

(b) No part or component of the system shall be

disconnected, bridged or removed without the

authority of the Owner and advising the House

Warden

(c) At the completion of the inspection, any

deficiencies in the system shall be reported and

shall be rectified as required in Clause 4.6

(d) The Owner shall at all times be kept informed of

the current address and telephone number of the

maintenance company’s service facility

(e) Before performing any simulated fire alarm call, the

relevant Fire Authority shall be contacted and

advised of the impending test

4.2 Level 1 maintenance routines.

4.2.1 General Level 1 maintenance routines shall

consist of functional checks to ascertain that the system

is operating satisfactorily and that its components are

free from damage

NOTE: Level 1 routines should be carried out, or supervised, by the

Owner or his representative The assistance of one or more persons

may be needed to conduct these routines, but measuring instruments

are not needed.

4.2.2 Procedure The procedure for Level 1 maintenance

routines shall be as follows:

(a) Visually check the installation that components are

free from damage

(b) Where the system is associated with an alarm system(s), perform a simulated alarm call, operating any one of the alarm test switches Check that an

‘alert’ alarm appears at every ECP and at the appropriate zones Check that EWIS operation is automatically initiated

NOTE: A fully automatic evacuation sequence test should be carried out in conjunction with Level 2 maintenance routines.

(c) Simulate an emergency condition at each control panel by setting the key switch to ‘MANUAL’, then operating function switches to each zone separately

At the same time, test operation of the emergency intercommunication system

(d) Check the operation of all audible and visual indicators at each ECP

(e) Check that all control switches are returned to normal operating positions at the control panels (f) Check battery electrolyte level where applicable, and terminals for corrosion

(g) Record the completion of tests in the logbook, noting any defects, and remedial action required The logbook shall be signed by the Owner

4.2.3 Periodicity Level 1 maintenance routines shall be

carried out not less than once every month

4.3 Level 2 maintenance routines.

4.3.1 General Level 2 maintenance routines shall

include the conduct of all Level 1 routines, plus the necessary measurements, adjustments, repairs to ensure correct functioning of the systems

NOTE: Level 2 maintenance routines should be carried out by persons being competent and experienced in the field of emergency warning and intercommunication systems It is recommended that before carrying out these routines, the Owner be consulted in order

to obtain comments (if any) on the working of the system.

4.3.2 Procedure The procedure for Level 2 maintenance

routines shall be as follows:

(a) Visually check the installation, location and siting

of all equipment against the system installation records Record and report to the Owner any discrepancy found between the records and the actual installation

(b) Check battery float charge voltage and current These shall be within specified tolerances

(c) Carry out the Level 1 maintenance routines as specified in Clause 4.2.2, steps (a) to (g), including

a full automatic evacuation sequence test

(d) Disconnect the a.c mains and measure the standby battery voltage under full load conditions The battery voltage shall not be less than 95 percent of the nominal voltage If less than 95 percent of the nominal voltage, the battery shall be tested (see Clause 4.4)

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AS 1851.10—1989 4

(e) Reconnect the a.c mains and measure the current

from the battery charger This current shall be

within specified tolerances

(f) Check operation of all mechanical and electrical

components of the system

(g) Measure the audible signal level and compare it

with the level achieved at the previous inspection

Consult the Owner regarding any changes in

ambient noise levels that may have occurred since

the previous inspection Make adjustments as

necessary to comply with AS 2220.2

NOTES:

1 Any additional loudspeakers or increased power levels to

existing loudspeakers may require additional battery capacity.

2 For sound measurements, refer to AS 1259 and SAA

MP44.

(h) Check that the frequency of flashing visible signals

is between 60 and 120 flashes per minute Check

for any building alteration carried out since the

previous Level 2 inspection that may affect the

visibility of the signals Make corrections as

necessary

(i) Record completion of tests in the logbook and

obtain the signature of the Owner on the

maintenance visit record (see Clause 4.5)

4.3.3 Periodicity Level 2 maintenance routines shall be

carried out not less than once every 6 months

4.4 Battery test.

4.4.1 General A battery test shall be carried out once

a year in conjunction with a Level 2 maintenance

routine

4.4.2 Procedure The procedure for a battery test shall

be as follows:

(a) Remove the battery from the system and replace it

with a temporary battery of the same or greater

capacity

(b) Discharge the system battery at a current of:

Idis = where

Idis = the discharge current

Iq = the system’s quiescent current

Ifl = the full load current of the system

The value of Idiswas recorded in the log book when

the system was commissioned

(c) The time taken for the battery to reach the discharged terminal voltage (as specified in the log book) shall be recorded in the log book and is to be greater than 90 mins

(d) The system battery is to be charged to a capacity greater than 95% before being reconnected to the system and the temporary batteries removed

NOTE: If required the system battery can be removed from the building to another location to have the capacity test performed.

4.5 Reporting and recording.

4.5.1 General All results of Level 1, Level 2

maintenance routines and battery tests shall be reported

in writing to the Owner and be permanently recorded in accordance with the requirements of Clauses 4.5.2 and 4.5.3

4.5.2 Logbook The logbook shall comply with the

relevant requirements of AS 2220.2

The following information shall be entered:

(a) Date of inspection

(b) A list of the deficiencies as indicated in Clause 4.1(c) in respect of which it was impracticable to rectify on that visit

(c) A record of each service call, the fault(s) found and the action taken to remedy the fault(s)

(d) A record where any part of the system is disconnected, bridged or removed, together with the reason and the name of the person authorizing such action

(e) A record of any part of the system which is not operating

(f) Signature of the Owner

(g) Date of completion of each of the recommended corrective action(s)

(h) Signature of the person who carried out the corrective action(s)

The logbook shall be kept inside the MECP

4.5.3 Reports and records The results of the inspection

and the records shall be entered in the logbook At the completion of each Level 2 routine, the maintenance person shall notify the Owner in writing

4.6 Corrective action Following the inspection or

testing, any necessary corrective action shall be carried out as soon as practicable

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