GB/T 24477-2025 English PDF

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GB/T 24477-2025: Accessibility to lifts for persons including persons with disability
Status: Valid

GB/T 24477: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24477-2025	599	Add to Cart	5 days	Accessibility to lifts for persons including persons with disability	Valid
GB/T 24477-2009	474	Add to Cart	4 days	Accessibility to lifts for persons including persons with disability	Valid

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Basic data

Standard ID: GB/T 24477-2025 (GB/T24477-2025)
Description (Translated English): Accessibility to lifts for persons including persons with disability
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q78
Classification of International Standard: 91.140.90
Word Count Estimation: 30,387
Date of Issue: 2025-02-28
Date of Implementation: 2025-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24477-2025: Accessibility to lifts for persons including persons with disability

---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.
GB/T 24477-2025 English version. Accessibility to lifts for persons including persons with disability ICS 91.140.90 CCSQ78 National Standard of the People's Republic of China Replaces GB/T 24477-2009 Additional requirements for elevators for people with disabilities (ISO 8100-7.2024,Liftsforthetransportofpersonsandgoods- Released on 2025-02-28 2025-09-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction VI 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Significant hazards and obstacles affecting accessibility 1 5 Safety requirements and/or protective measures 2 5.1 General 2 5.2 Entrance and door opening requirements 3 5.3 Car dimensions and facilities inside the car 3 5.4 Operating devices and signals 6 6 Verification of safety requirements and/or protective measures 11 7 Usage Information13 Appendix A (normative) Types of disabilities considered 14 Appendix B (informative) Guidelines for improving accessibility and usability 15 Appendix C (Informative) Determination of brightness contrast and light reflectance values 16 Appendix D (Normative) Extra Large Operating Devices 19 Appendix E (Normative) Touch screen of the target layer control system 21 Reference 22

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 replaces GB/T 24477-2009 "Additional requirements for elevators for people with disabilities" and is consistent with GB/T 24477-2009. In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2009 edition); b) The “Terms and Definitions” have been changed (see Chapter 3, Chapter 3 of the.2009 edition); c) Changed “significant hazards and obstacles affecting accessibility” (see Chapter 4, Chapter 4 and Appendix C of the.2009 edition); d) Changed the "General Principles" of "Safety Requirements and/or Protective Measures" and added specific requirements for brightness contrast (see 5.1,.2009 Edition). 5.1); e) The requirements for the clear width of the door opening have been changed (see 5.2.1, 5.2.1 of the.2009 edition); f) The requirements for the door open hold time and the door close button have been changed (see 5.2.2, 5.2.3 of the.2009 edition); g) The requirements for door protection devices have been deleted (see 5.2.4 of the.2009 edition); h) The requirements for car dimensions have been changed (see 5.3.1 and Table 3, 5.3.1 and Table 1 of the.2009 edition); i) The requirements for facilities in the car have been changed (see 5.3.2, 5.3.2 of the.2009 edition); j) The requirements for leveling accuracy and leveling holding accuracy have been deleted (see 5.3.3 of the.2009 edition); k) Added the "General Rules" of "Operating Devices and Signals" (see 5.4.1); l) Changed the requirements for the operating devices and signals of the collective selection control system (see 5.4.2, 5.4 of the.2009 edition); m) The requirements for the operating devices and signals of the destination layer control system have been changed (see 5.4.3, 5.4 and Appendix F of the.2009 edition); n) Added the requirements for operating devices and signals of the destination layer control system using touch screen (see 5.4.3.1.3 and Appendix E); o) The verification method of safety requirements and/or protective measures has been changed (see Table 6, Table 3 of the.2009 edition); p) Changed the requirements for information on use (see Chapter 7, Chapter 7 of the.2009 edition); q) Deleted “Excluded types of disabilities” (see Table B.2 of the.2009 edition); r) The requirements for super-large operating devices have been changed (see Appendix D, G.1 of the.2009 edition); This document is modified to adopt ISO 8100-7.2024 "Lifts for the transport of persons and goods - Part 7.Lifts for the transport of persons with disabilities" Accessibility. This document has the following structural adjustments compared to ISO 8100-7.2024. --- Added clause numbers in the introduction; --- Added clause numbers in Chapter 7; ---Appendix B, Appendix C, Appendix D and Appendix E correspond to Appendix D, Appendix E, Appendix B and Appendix E in ISO 8100-7.2024 respectively. Record C. The technical differences between this document and ISO 8100-7.2024 and their reasons are as follows. --- Added normative references GB/T 7024 and GB/T 20900 (see Chapter 3) to adapt to my country's technical conditions; --- Replaced ISO 8100-1.2019 with the normative reference GB/T 7588.1-2020 (see Chapter 3 and 5.4.2.4.1). The consistency between the documents is modified to adapt to my country's technical conditions; --- Changed the definition of "collective selection control system" (see 3.1) to coordinate with GB/T 7024; --- Added the content "This document is an additional requirement of GB/T 7588.1-2020" (see 5.1.1) to clarify the technical conditions; --- Changed the door opening time (see 5.2.2) to coordinate with the mandatory national standards; --- Changed the dimensions of the cross-section of the handrail gripping part [see 5.3.2.1c)] to coordinate with the mandatory national standards; --- Changed the gap between the gripping part and its adjacent car wall [see 5.3.2.1d)] to coordinate with the mandatory national standards; --- Changed the height of the top edge of the gripping part from the floor, and added "and the height of the center line of the handrail from the floor should not be greater than 900mm" Requirements [see 5.3.2.1e)] in order to coordinate with mandatory national standards; --- Changed the minimum inner diameter of the handrail profile (see Figure 2) to coordinate with 5.3.2.1c); --- Changed the anti-slip requirements for car floors (see 5.3.2.4) to suit my country's national conditions; --- Added requirements for multiple car operating devices (see 5.4.1.1) to suit my country's national conditions; --- Changed the requirement of "maximum height between floor and center line of highest button" in car operating device [see b) in Table 5] so as to Coordinate with mandatory national standards; --- The normative reference GB/T 30560-2014 replaces ISO 4190-5.2006.The consistency between the two documents is Modification (see 5.4.2.2.1, 5.4.2.3.2, 5.4.2.5.3, 5.4.2.5.4, 5.4.3.1.1 and 5.4.3.1.2) to adapt to my country's technology condition; --- Changed the requirements for elevator call button symbols (see 5.4.2.2.1) to suit my country's national conditions; --- Added the requirement of "and buttons should be provided with Braille labels" to coordinate with the mandatory national standards (see 5.4.2.2.1, 5.4.2.3.1); --- Changed the symbol requirements for layer selection buttons (see 5.4.2.3.2) to suit my country's national conditions; --- Changed the requirements for alarm buttons and door buttons when using the keyboard for floor selection registration (see 5.4.2.3.3) to suit my country's national conditions; --- Changed the requirements for setting up induction loop systems for hearing aids (see 5.4.2.5.4) to suit my country's national conditions; --- Deleted the content of "(base station layer)" [see 5.4.3.1.1e)] to facilitate implementation; --- Added "Visual and auditory alarm signals", "Touch screen", "Visual and auditory signals of the landing station of the destination layer control system" and "Use information The verification requirements of "information" (see Table 6) are adapted to my country's national conditions; --- Changed formulas C.1 and C.2 (see Appendix C) to coordinate with Table 2; --- Changed the symbols used for the layer selection buttons in the example diagram of the super-large operating device (see Figure D.2 and Figure D.3) to suit my country's national conditions; --- Changed the requirements for the export layer buttons on the touch screen (see Appendix E) to suit my country's national conditions. The following editorial changes were made to this document. --- In order to coordinate with the existing standards, the name of the standard is changed to "Additional requirements for elevators for people with disabilities"; --- Added the destination floor control system "having a landing operation device for selecting the destination floor, an elevator lobby indicator and an indicator "Car indicator showing the car stopping floor" (see note to 3.2); --- Added brightness contrast "(Michelson contrast)" (see note to 5.1.2); ---Added additional information about elevator lobbies (see note to 5.2.1); --- GB /Z 13800-2021 replaces EN12183.2014 and GB/T 12996-2024 replaces EN12183.2014 and GB/T 12996-2024 EN12184.2014 (see Table 3); --- Added footnote b in Table 4); --- Deleted footnote a in Figure 3); --- Increase the net height of the car from 2100mm to 2200mm (see Appendix B); --- Change the side view A and top view B in Figure C.1 to sub-figure a) and sub-figure b); --- Changed references. 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 Elevator Standardization Technical Committee (SAC/TC196). This document was drafted by. China Academy of Building Research Co., Ltd. Building Mechanization Research Institute, Hitachi Elevator (China) Co., Ltd., Otis Elevator (China) Investment Co., Ltd., Suzhou Jiangnan Jiajie Elevator Co., Ltd., Schindler (China) Elevator Co., Ltd., KONE Elevator Co., Ltd. Co., Ltd., Shanghai Mitsubishi Elevator Co., Ltd., Guangdong Special Equipment Testing and Research Institute, Shenzhen Special Equipment Safety Inspection and Research Institute, Henan Province Special Equipment Inspection Technology Research Institute, Mitsubishi Electric Shanghai Electromechanical Elevator Co., Ltd., Giant KONE Elevator Co., Ltd., Jiangsu Special Equipment Safety Supervision and Inspection Institute, Otis Elevator Co., Ltd., Jianyan Machinery Inspection and Testing (Beijing) Co., Ltd., Chongqing Special Equipment Testing Institute, Xizi Elevator Technology Co., Ltd., Tisheng Elevator (Shanghai) Co., Ltd., Ningxia Special Equipment Inspection and Testing Institute, Hangzhou Special Equipment Inspection Science Research Institute (Hangzhou Special Equipment Emergency Response Center), Suzhou Di'ao Elevator Co., Ltd., Shandong Fuji Elevator Co., Ltd. Company, Hangzhou Youmai Electromechanical Technology Co., Ltd., Shanghai Deshengmi Gao Elevator Co., Ltd., Huasheng Fujitec Elevator Co., Ltd., Disheng Home Appliances Elevator (Shanghai) Co., Ltd., Guangzhou Guangri Elevator Industry Co., Ltd., Guangdong Suzuki Elevator Co., Ltd., Vox Schindler Elevator Co., Ltd., Shenyang Yuanda Intelligent Industrial Group Co., Ltd., Kangli Elevator Co., Ltd., Yongda Elevator Equipment (China) Co., Ltd., Guangdong Huan Yu Electronic Technology Co., Ltd., Shenlong Elevator Co., Ltd., Xingling Elevator Co., Ltd., and Zhufu Elevator Technology Co., Ltd. The main drafters of this document are. Chen Fengwang, Wang Zewei, Su Jian, Zhou Weidong, Zheng Dezhi, Li Yang, Qi Shengyi, Zhang Sheng, Hu Zhengguo, Li Yan, Liu Jun, Zhang Zhenghua, Zhang Huan, Shen Weihua, Li Gang, Luo Heng, Lujun, Xi Zian, Ding Tao, Shao Peng, Tang Linzhong, Wang Yulei, Tong Haibo, Pei Xiao, Wang Qiang, Wei Haotian, Huang Dihua, Fan Fenghe, Chen Guofang, Han Peng, Zhu Senfeng, Zhang Zhichao, Shi Zaihua, Gu Jianjian, Zhang Jianyu, Zhao Yuanhuo. The previous versions of this document and the documents it replaces are as follows. ---First published in.2009 as GB/T 24477-2009; ---This is the first revision.

Introduction

0.1 According to the classification of GB/T 15706, this document belongs to Class C standard. 0.2 The machinery covered by this document and the range of hazards, hazardous situations or dangerous events covered are given in the scope of this document. 0.3 When the requirements of this C-type standard are different from those of the A-type standard or the B-type standard, For machines manufactured for this purpose, the requirements of this C-type standard take precedence over those of other standards. Additional requirements for elevators for people with disabilities

1 Scope

This document specifies the minimum requirements for the safe and independent access to and use of lifts by persons, including persons with disabilities. This document is intended to meet the needs of persons with the types of disabilities mentioned in Appendix A. NOTE Guidance on improving accessibility and usability is provided in Appendix B.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this text. The version corresponding to that date applies to this document; for undated referenced documents, their latest versions (including all amendments) apply to this document. GB/T 7024 Terminology for elevators, escalators and moving walks GB/T 7588.1-2020 Safety rules for the manufacture and installation of elevators Part 1.Passenger elevators and freight elevators (ISO 8100-1. 2019,MOD) GB/T 15706-2012 General principles for safety design of machinery - Risk assessment and risk reduction (ISO 12100.2010, IDT) GB/T 20900 Methods for risk assessment and reduction of elevators, escalators and moving walkways GB/T 30560-2014 Elevator operating devices, signals and accessories (ISO 4190-5.2006, MOD)

3 Terms and definitions

The terms and definitions defined in GB/T 7024, GB/T 7588.1-2020, GB/T 20900 and the following apply to this document. 3.1 Colective control system Register the required running direction at the landing station, select the destination floor in the car, and collect the command signals based on the signal control. An elevator control system with selective answering. 3.2 Destination control system The elevator control system registers the destination floor at the landing. The system has a landing operation device for selecting the destination floor, indicating the waiting room for the elevator, and Hall indicator and car indicator indicating the floor where the car stops. 3.3 accessibilitybutton A device that activates an enhanced accessibility function or service for a single operation.

4 Major hazards and obstacles affecting accessibility

This chapter includes all the major hazards, dangerous conditions and events covered by this document, and their impact on this type of elevator is determined through risk assessment methods. If there is a significant impact, measures should be taken to eliminate or reduce the risk (see Table 1). In this document, obstacles and additional risks that may be encountered by persons with disabilities or their assistive devices and affect accessibility are listed in Table 1. No. 8 (ergonomic hazard). ......

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