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GB/T 17889.6-2025: Ladders - Part 6: Mobile ladders with platform
Status: Valid GB/T 17889.6: Evolution and historical versions
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| GB/T 17889.6-2025 | English | 519 |
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Ladders - Part 6: Mobile ladders with platform
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GB/T 17889.6-2025
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| GB/T 17889.6-2019 | English | 439 |
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Ladders -- Part 6: Mobile ladders with platform
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GB/T 17889.6-2019
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PDF similar to GB/T 17889.6-2025
Basic data | Standard ID | GB/T 17889.6-2025 (GB/T17889.6-2025) | | Description (Translated English) | Ladders - Part 6: Mobile ladders with platform | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J09 | | Classification of International Standard | 13.110 | | Word Count Estimation | 25,240 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-09-01 | | Older Standard (superseded by this standard) | GB/T 17889.6-2019 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17889.6-2025: Ladders - Part 6: Mobile ladders with platform---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.110
CCSJ09
National Standard of the People's Republic of China
Replaces GB/T 17889.6-2019
Ladders Part 6.Portable platform ladders
Released on 2025-05-30
2025-09-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 3
4.1 General requirements 3
4.2 Surface treatment 4
4.3 Materials 4
4.4 Stability 4
4.5 Support Legs 4
4.6 Casters 4
5 Size requirements 4
5.1 Overview 4
5.2 Climbing Legs 6
5.3 Platforms and skirting boards 7
5.4 Workspace 7
5.5 Guardrails and crossbars 9
5.6 Platform Door 9
5.7 Side armrests 9
6 Test methods 10
6.1 General requirements 10
6.2 Tread/pedal torsion test 10
6.3 Tread/Pedal Vertical Load Test 10
6.4 Platform and ladder test 11
6.5 Bending test 13
6.6 Side armrest test 13
6.7 Stability test 13
6.8 Stiffness test 15
6.9 Tests on ladders fitted with spring castors 16
6.10 Platform tilting test 17
6.11 Test of opening restraining device 17
6.12 Hook test 17
6.13 Ladder frame bottom test 17
6.14 Ladder foot pull-out test 17
6.15 Test methods for plastic ladders 17
6.16 Marking durability test 17
7 Labels and instructions for use 17
7.1 Identification 17
7.2 User Manual 18
References 19
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 6 of GB/T 17889 "Ladders". GB/T 17889 has published the following parts.
--- Part 1.Terminology, type and functional dimensions;
--- Part 2.Requirements, tests and marking;
--- Part 3.Information for use;
--- Part 4.Hinged ladders;
--- Part 5.Telescopic ladders;
--- Part 6.Movable platform ladders.
This document replaces GB/T 17889.6-2019 "Ladders Part 6.Movable platform ladders". This document is consistent with GB/T 17889.6-
Compared with.2019, in addition to structural adjustments and editorial modifications, the main technical changes are as follows.
--- Changed the schematic diagram of the movable platform ladder (see Figure 1, Figure 1 of the.2019 edition);
--- Changed the general requirements (see 4.1, 4.1 of the.2019 edition);
--- Changed the requirements for castors (see 4.6, 5.6 of the.2012 edition);
--- Changed the size requirements for skirting boards (see 5.3, 5.4 of the.2012 edition);
--- Changed the requirements for platform doors (see 5.6, 5.8 of the.2012 edition);
--- Added platform door test (see 6.5.3).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Machinery Safety Standardization (SAC/TC208).
This document was drafted by. Tianjin Jinmao Home Furnishing Co., Ltd., Zhejiang Aopeng Industry and Trade Co., Ltd., Guangdong Wanyi Home Furnishing Co., Ltd.
Company, Suzhou Zhongchuang Aluminum Co., Ltd., Suzhou Feihua Aluminum Industry Co., Ltd., Shanghai Ruiju Metal Products Co., Ltd., Ningbo Xinyiyuan
Aluminum Co., Ltd., Ningbo Xingfu Tools Co., Ltd., Nanjing Forestry University, Shenyang Yongpan Metal Products Co., Ltd., China Machinery Research Institute of Standard Technology
Institute (Beijing) Co., Ltd., Sichuan Shuxing Youchuang Safety Technology Co., Ltd., Nan'an Zhongji Standardization Research Institute Co., Ltd., Zhongshan Fei
Da Caster Co., Ltd., Suzhou Fushunhong Electronics Co., Ltd., GAC Honda Automobile Co., Ltd., and Yiwu Jinglong Mould Co., Ltd.
The main drafters of this document are. Li Fengming, Chen Miaoren, Yan Lujun, Bao Minghua, Zhang Xiuzhuo, Cai Baorong, Chen Jingjing, Tao Junfu, Ju Ronghua,
Chen Jiaxing, Liu Zhiyong, Qin Peijun, Zhu Bin, Qiu Yongli, Li Qin, Li Jie, Dong Kaibo, Zhang Yu, Gong Lihua, Zhang Qun, Wang Jing, Chen Mingzhen, Li Zhong,
Cai Qiang, Cheng Hongbing, Jiang Jinghua, Zhang Peng, Xiong Yuping, Zheng Huating, Zhang Yan, and Zhang Xiaofei.
This document was first published in.2019 and this is the first revision.
Introduction
Ladder is a commonly used safety facility for climbing. GB/T 17889 aims to improve the quality and safety level of ladder-related products and ensure
User safety is planned to consist of 7 parts.
--- Part 1.Terminology, types and functional dimensions. The purpose is to coordinate the standards related to ladders and give the commonly used terms, types and functional dimensions of ladders.
The functional dimensions that affect the quality and safety level of the ladder, as well as the design and testing required.
--- Part 2.Requirements, tests and marking. The purpose is to ensure the safety level of ladders and to identify factors that affect the quality and safety level of ladders.
The requirements for elements are specified and corresponding test methods are given.
--- Part 3.Usage information. The purpose is to ensure that users can use the ladder correctly according to the signs and instructions and to
The requirements for labels that serve as warnings during the use of the product, as well as the information and expression methods that need to be given in the instructions.
--- Part 4.Hinged ladders. The purpose is to ensure the quality and safety level of hinged ladders and to specify special requirements for hinged ladders.
--- Part 5.Telescopic ladders. The purpose is to ensure the quality and safety level of telescopic ladders and to specify special requirements for telescopic ladders.
--- Part 6.Movable platform ladders. The purpose is to ensure the quality and safety level of movable platform ladders.
Ladders have special requirements.
--- Part 7.Detachable platform ladder. The purpose is to ensure the quality and safety level of detachable platform ladders.
Ladders have special requirements.
Ladders - Part 6.Portable platform ladders
1 Scope
This document specifies the general requirements, dimensional requirements, testing, marking and operating instructions for portable platform ladders.
This document applies to working platforms with a maximum height of no more than 5m, a maximum area of no more than 1m2, and a maximum load of no more than 150kg (including
The weight of the user, and the total weight of the tools, equipment and materials carried), and the movable platform ladder is limited to one person at a time.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 17888.3-2020 Safety of machinery - Fixed means of access to machinery - Part 3.Stairs, steps and guardrails
GB/T 17889.1-2021 Ladders Part 1.Terminology, types and functional dimensions
GB/T 17889.2-2021 Ladders Part 2.Requirements, tests and marking
GB/T 17889.3-2024 Ladders Part 3.Usage Information
3 Terms and definitions
The terms and definitions defined in GB/T 17889.1-2021 and the following apply to this document.
3.1
guardrail
A graspable component installed on a movable platform ladder platform to prevent falling.
Note. See Figure 1, 1.
3.2
Middlerail
Guardrail member located between the platform and the guardrail top member.
Note. See 2 in Figure 1.
3.3
Platform door gate to platform
A rigid member that can be grasped and has at least one horizontal member to prevent falling when entering the platform from the climbing leg side.
Note. See Figure 1, 3.
3.4
toeboard
Side protection components fixed to the platform or guardrail.
Note. See 4 in Figure 1.
3.5
Side handrail
A member parallel to the climbing leg, used for gripping to increase body balance when going up and down stairs.
Note. See 5 in Figure 1.
3.6
Caster wheel
A device that facilitates the movement of a movable platform ladder.
Note. See 6 in Figure 1.
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