AS 1892.1 – 1996 Portable Ladders Part 1: Metal
AS 1892.1 – 1996 Portable Ladders Part 1: Metal sets out safety requirements for the design and manufacture of portable metal ladders. The Standard provides two duty ratings for industrial ladders and domestic ladders, which are assigned minimum load ratings. The Standard covers single and multiple-section ladders, multipurpose ladders, combination ladders and those special-purpose ladders defined in Clause 1.6. The Standard does not cover ladder accessories, such as ladder levellers, ladder stabilizers or stand-off devices, ladder jacks or ladder straps or hooks that may be installed on, or used in conjunction with, ladders.
PREFACE
This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee SF/34 on Portable Ladders, to supersede AS 1892.1—1986, Portable ladders, Part 1: Metal and (in part) NZS 5233:1986, Specification for portable ladders (other than timber ladders).
This Standard is one of a series of joint Australian/New Zealand Standards covering the safe design, manufacture and use of portable ladders and attachments. Other Standards in the series are as follows: AS 1892 Portable ladders, 1892.2 Part 2: Portable ladders—Timber and AS/NZS 1892.3 Part 3: Portable ladders—Reinforced plastics
In this edition, the test methods have been included as a set of appendices. The methods of performing the tests have not changed greatly; however, in the light of experience gained from the 1986 edition the methods have been clarified.
Included for the first time in this edition are specific requirements and test methods for multipurpose ladders. This was agreed by the Committee in view of the increasing popularity of this type of ladder.
During preparation of this Standard, reference was made to the Standards listed below. Acknowledgment is made of the assistance received from these sources:
- ANSI A 14.2—1990 Specific requirements for portable metal ladders.
- BS 2037 (1984) Portable aluminium ladders, steps, trestles and lightweight stagings.
- CAN3-Z11-M81 Portable ladders
- NZS 5233—1986 Specification for portable ladders (other than timber ladders)
This Standard covers:
- SECTION 1 SCOPE AND GENERAL
- SECTION 2 GENERAL REQUIREMENTS
- SECTION 3 PARTICULAR REQUIREMENTS FOR SINGLE LADDERS
- SECTION 4 PARTICULAR REQUIREMENTS FOR EXTENSION LADDERS
- SECTION 5 PARTICULAR REQUIREMENTS FOR STEPLADDERS
- SECTION 6 PARTICULAR REQUIREMENTS FOR TRESTLE LADDERS
- SECTION 7 PARTICULAR REQUIREMENTS FOR MULTIPURPOSE LADDERS
- SECTION 8 PARTICULAR REQUIREMENTS FOR OTHER LADDERS
- SECTION 9 PERFORMANCE REQUIREMENTS
SECTION 1 SCOPE AND GENERAL
1.2 OBJECTIVE The objective of this Standard is to provide designers, manufacturers and regulatory authorities with the minimum performance and dimensional requirements for portable metal ladders, in order to minimize the risk to the health and safety of portable ladder users.
1.3 APPLICATION The requirements listed herein specify certain minimum dimensions, strength stability and durability criteria deemed necessary for the safe use of portable metal ladders thereby providing a set of performance and dimensional requirements against which portable metal ladders may be evaluated.
1.4 PARTICULAR REQUIREMENTS Portable metal ladders shall comply with the relevant requirements of Section 2, General Requirements, and with the specific requirements of the Section(s) appropriate to the type of ladder, as follows:
- (a) Single ladders: Section 3.
- (b) Extension ladders: Section 4.
- (c) Stepladders: Section 5.
- (d) Trestle ladders: Section 6.
- (e) Multipurpose ladders: Section 7.
- (f) Special-purpose ladders: Section 8.
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