NZS 4520:2010
Fire-resistant doorsets
Specifies requirements for the testing, installation and maintenance of fire-resistant doorsets used to protect openings in walls and partitions, which are required to resist the passage of fire. NZS 4520 also applies to transom panels over doors, where the panels are contained within the door frame and form part of the doorset.
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CONTENTS
REFERENCED DOCUMENTS
FOREWORD
OUTCOME STATEMENT
LATEST REVISIONS
REVIEW OF STANDARDS
1 - SCOPE AND GENERAL
1.1 Scope
1.2 Application
1.3 Interpretation
1.4 Objective
1.5 Definitions
1.6 Abbreviations
Figure 1
Figure 2
2 - DESIGN REQUIREMENTS
2.1 General
2.2 Side-hung doors, including double-acting doorsets
2.3 Sliding doorsets
Figure 3
3 - TESTING THE FIRE-RESISTANCE OF FIRE-RESISTANT DOORSETS
3.1 General
3.2 Vision panel
3.3 Latch set
4 - VARIATIONS FROM THE TESTED SPECIMEN
4.1 General
4.2 Variations permitted without a formal assessment for fire-resistant doorsets
4.3 Variations permitted subject to a formal assessment
4.4 Minimum fire testing required for the preparation of formal assessments on fire doors
4.5 Formal assessments not requiring additional supporting test data for fire-resistant doorsets
5 - INSTALLATION OF FIRE-RESISTANT DOORSETS
5.1 General
5.2 Fixing of door frames
5.3 Clearances
5.4 Hardware
5.5 Final check
Figure 4
6 - MARKING AND DOCUMENTATION
6.1 General
6.2 Identification and labelling
6.3 Information requirements
Figure 5
6.4 Evidence of compliance
6.5 Doorset signs
7 - INSPECTION, MAINTENANCE, AND REPORTING
7.1 General
7.2 Weekly
7.3 Monthly
7.4 Six-monthly
7.5 Annually
7.6 Records
Appendix A – PHYSICAL TESTING OF FIRE-RESISTANT DOORSETS
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 SPECIMEN
A5 TEST METHODS
A6 TEST REPORT
Appendix B – SENSING DEVICES
B1 GENERAL
B2 SENSING DEVICE
Table B1 – Sensing device requirements
B3 INSTALLATION OF DOORSETS AND HARDWARE
Appendix C – ANNUAL INSPECTION OF FIRE-RESISTANT DOORSETS FOR INDEPENDENTLY QUALIFIED PERSON
C1 GENERAL
C2 NORMAL OPERATION REQUIREMENTS
Figure C1 – Clearances to floor
C3 MAINTENANCE
- C1
- C2
- C3
- C4
- C5
- C6
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References
Fire tests on building materials and structures - Methods for determination of the fire resistance of non-loadbearing elements of construction
Related Information
Building Code Compliance Document C
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1, AS2, AS3, AS4, AS5, AS6, VM1
Citation context:Similar Standards
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AS/NZS 1530.3:1999
Methods for fire tests on building materials, components and structures - Simultaneous determination of ignitability, flame propagation, heat release and smoke release
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AS/NZS 1720.4:2019
Timber structures - Part 4: Fire resistance of timber elements -
AS/NZS 1905.1:1997
Components for the protection of openings in fire-resistant walls - Fire-resistant doorsets
-
AS/NZS 3013:2005
Electrical installations - Classification of the fire and mechanical performance of wiring system elements
CONTENTS
REFERENCED DOCUMENTS
FOREWORD
OUTCOME STATEMENT
LATEST REVISIONS
REVIEW OF STANDARDS
1 - SCOPE AND GENERAL
1.1 Scope
1.2 Application
1.3 Interpretation
1.4 Objective
1.5 Definitions
1.6 Abbreviations
Figure 1
Figure 2
2 - DESIGN REQUIREMENTS
2.1 General
2.2 Side-hung doors, including double-acting doorsets
2.3 Sliding doorsets
Figure 3
3 - TESTING THE FIRE-RESISTANCE OF FIRE-RESISTANT DOORSETS
3.1 General
3.2 Vision panel
3.3 Latch set
4 - VARIATIONS FROM THE TESTED SPECIMEN
4.1 General
4.2 Variations permitted without a formal assessment for fire-resistant doorsets
4.3 Variations permitted subject to a formal assessment
4.4 Minimum fire testing required for the preparation of formal assessments on fire doors
4.5 Formal assessments not requiring additional supporting test data for fire-resistant doorsets
5 - INSTALLATION OF FIRE-RESISTANT DOORSETS
5.1 General
5.2 Fixing of door frames
5.3 Clearances
5.4 Hardware
5.5 Final check
Figure 4
6 - MARKING AND DOCUMENTATION
6.1 General
6.2 Identification and labelling
6.3 Information requirements
Figure 5
6.4 Evidence of compliance
6.5 Doorset signs
7 - INSPECTION, MAINTENANCE, AND REPORTING
7.1 General
7.2 Weekly
7.3 Monthly
7.4 Six-monthly
7.5 Annually
7.6 Records
Appendix A – PHYSICAL TESTING OF FIRE-RESISTANT DOORSETS
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 SPECIMEN
A5 TEST METHODS
A6 TEST REPORT
Appendix B – SENSING DEVICES
B1 GENERAL
B2 SENSING DEVICE
Table B1 – Sensing device requirements
B3 INSTALLATION OF DOORSETS AND HARDWARE
Appendix C – ANNUAL INSPECTION OF FIRE-RESISTANT DOORSETS FOR INDEPENDENTLY QUALIFIED PERSON
C1 GENERAL
C2 NORMAL OPERATION REQUIREMENTS
Figure C1 – Clearances to floor
C3 MAINTENANCE
- C1
- C2
- C3
- C4
- C5
- C6
Previous versions
NZS 4520:2010
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.