GB/T 24479-2023Behaviour of lifts in the event of fire (English PDF)

Foreword

This document was issued on 23 May 2023 by the State Administration for Market Regulation; Standardization Administration of the PRC and takes effect on 1 December 2023.

It is a GB/T standard: recommended rather than compulsory, but it is the text a Chinese reviewer applies when assessing a submission.

It is classified under ICS 91.140.90, Chinese classification Q78.

It replaces GB/T 24479-2009, which is superseded.

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 24479-2009 "Elevator Characteristics under Fire Conditions". Compared with GB/T 24479-2009, except for structural

In addition to rectification and editorial changes, the main technical changes are as follows.

a) Added references to relevant terms and definitions of GB/T 7024 (see Chapter 3);

b) Deleted references to relevant terms and definitions of ISO 8421-3.1989, EN54-1.1996, EN54-2.1997 (see.2009

Chapter 3 of the edition);

c) Deleted definitions such as "evacuation plan for buildings" (see 3.2, 3.3, 3.4, 3.5, 3.6, 3.9, 3.10 of the.2009 edition);

d) Changed the definition of "construction equipment management system" (see 3.2, 3.7 of the.2009 edition);

e) Changed the requirements for recalled device interfaces and specified layers (see 5.1.2, 5.2, 5.2, 5.4 of the.2009 edition);

f) Change "automatic fire detection and alarm system" to "recall device", use "recall method" to indicate manual recall device or automatic

recalled devices (see 5.1.3, 5.1.1 of the.2009 edition);

g) Added labeling requirements for manual recall devices (see 5.1.4);

h) Changed the relevant requirements for prohibited signs (see 5.1.6, 5.1.3 of the.2009 edition);

i) The requirement that the fire recall signal should not cancel the maintenance control is added (see 5.3.2);

j) Changed the relevant requirements for door protection devices (see 5.3.2, 5.3.2 of the.2009 edition);

k) Changed the operation requirements of the elevator after receiving the fire recall signal (see 5.3.2, 5.3.1, 5.3.2 of the.2009 edition);

l) Changed the behavior of elevators after reaching a designated floor, including the requirement for audible and/or visual signals and the opening of doors when the elevator stops

or closed requirements (see 5.3.5, 5.3.6, 5.3.5, 5.3.6 of the.2009 edition);

m) Changed the requirements for the reset signal (see 5.3.7, 5.3.7 of the.2009 edition);

n) Removed the requirement for "No Entry" indicator (see 5.3.8 of the.2009 edition).

This document is proposed and managed by the National Elevator Standardization Technical Committee (SAC/TC196).

This document is drafted by. Hitachi Elevator (China) Co., Ltd., Otis Elevator (China) Investment Co., Ltd., Shanghai Special Equipment Supervision

Supervision and Inspection Technology Research Institute, Jianyan Machinery Inspection and Testing (Beijing) Co., Ltd., Kone Elevator Co., Ltd., China Academy of Building Research Co., Ltd.

The company's Building Mechanization Research Institute, Shanghai Mitsubishi Elevator Co., Ltd., Schindler (China) Elevator Co., Ltd., Guangdong Special Equipment Testing Research Institute

Research Institute, Chongqing Special Equipment Testing Research Institute, Disheng Elevator (Shanghai) Co., Ltd., Hangzhou Youmai Technology Co., Ltd., Huasheng Fujitec Elevator

Co., Ltd., Guangzhou Guangri Elevator Industry Co., Ltd., Henan Special Equipment Safety Testing Research Institute, Yongda Elevator Equipment (China) Co., Ltd.

Division, Shenzhen Quality and Safety Inspection and Testing Research Institute, Jiangsu Special Equipment Safety Supervision and Inspection Research Institute, Otis Electromechanical Elevator Co., Ltd.,

Toshiba Elevator (China) Co., Ltd., CANNY Elevator Co., Ltd., Lingwang Elevator Co., Ltd., Hangzhou Special Equipment Inspection and Research Institute (Hangzhou

City Special Equipment Emergency Response Center), Southeast Elevator Co., Ltd., Sunlong Elevator Co., Ltd., Xizi Elevator Technology Co., Ltd.

Division, Hangzhou Theo Elevator Co., Ltd., Weber Elevator Co., Ltd., Hangzhou Aolida Elevator Co., Ltd., Tongyou Elevator Co., Ltd., Shanghai New

Shida Electric Co., Ltd., Giant KONE Elevator Co., Ltd., Beijing Construction Mechanization Research Institute Co., Ltd., Suzhou Dormy Home Appliances

Ladder Co., Ltd.

The main drafters of this document. Lu Guoxiong, Deng Xiang, Xia Yingzi, Fang Liang, Zhou Chunming, Li Yang, Chen Fengwang, Zhang Haoran, Zheng Dezhi, Li Hua, Kang Ligui,

Meng Le, Lin Jianjie, Sun Guangqi, He Yunlang, Wang Yun, Zou Zhiwen, Xing Jian, Liu Zhiliang, Zhou Zhangmin, Sun Yongren, Sun Jiaxiu, Zhong Minjing, Wang Libin,

Wang Shuchong, Ding Duanqin, Zhang Ke, Zhang Fengpeng, Li Bing, Jian Xianke, Sun Weigang, Liu Haizhou, Zhang Rui, Li Chen, Gu Kangming.

This document was first published in.2009, and this is the first revision.

Introduction

0.1 According to the classification of GB/T 15706, this document belongs to the category C standard.

This document is particularly relevant to the following stakeholders related to machinery safety.

---equipment manufactory;

---Health and safety agencies.

Other stakeholders affected by the level of machinery safety are.

---Equipment users;

---Equipment owner;

--- service provider;

---Consumer (when the machine is intended to be used by the consumer).

All of the above stakeholders are likely to participate in the drafting of this document.

The machinery covered by this document and the range of hazards, hazardous states and hazardous events covered are given in the scope of this document.

When the requirements of this Category C standard are different from those in Category A or B standards, the

Manufactured machines, the requirements in this Category C standard take precedence over those in other standards.

0.2 This document indicates the degree of hazards, dangerous states and events involved in elevators in case of fire.

0.3 The functions described in this document involve the automatic return of the car to the designated floor and the exit of the elevator from service.

0.4 The purpose of this document is to.

a) reduce the risk of passengers being trapped in the car in the event of a building fire;

b) After the elevator finally stops at the designated landing, it is convenient for firefighters or rescuers to confirm that no passengers are trapped in the car;

c) reduce the risk of fire or smoke exposure to passengers in the car.

0.5 This document is based on the following assumptions.

a) The recall device generates a signal that triggers specific actions of the elevator;

b) The architectural design unit and construction unit have considered the fire recall function of the elevator according to this document;

c) a clear separation between the recall device and the lift control system;

d) The recalled device works as intended.

0.6 This document assumes that the architectural design unit and the elevator supplier have negotiated on the following matters.

a) The type of recalled device and its interface (see 0.4.2 of GB/T 7588.1-2020);

b) If it is a manual recall device, the type and protective measures of the switch;

c) Specify the number and location of layers;

d) implement an appropriate maintenance and testing program;

e) When the elevator stops at the designated floor, the door remains open or closed.

Elevator characteristics in case of fire

1 Scope

GB/T 24479-2023 covers what a lift has to do once a building is on fire and its control system receives the signal from the recall device. The significant hazards are listed first, then the safety requirements themselves: the basic behaviour of the lift on recall, and the interface between the recall device and the lift control system, which is the point at which responsibility passes from the fire detection installation to the lift. Informative annexes give a plot of the lift with its interfaces and the maintenance requirements that keep the function alive between inspections. Ordinary lift logic answers landing calls, and in a fire that is precisely the wrong behaviour: a car that stops at the smoke-filled floor opens its doors onto it, and passengers already inside are carried nowhere useful. Recall drives every car to a designated landing, parks it with the doors open and takes it out of normal service, so that the shafts are clear for firefighting and nobody is left standing in a car. It applies to new passenger and freight lifts of all drive types and is a type C standard under GB/T 15706. It replaces GB/T 24479-2009 and is used by lift manufacturers, installers, building designers and fire engineers.

This document specifies the special requirements for the characteristics of the elevator after the elevator control system receives the signal from the recalled device in the event of a fire in the building

and safety rules.

This document applies to new passenger lifts and freight lifts of all drive types. For passenger elevators and freight elevators in use, this paper

The software can also serve as a basis for improving its security.

This document does not apply to the following situations.

a) Elevators that remain in use in case of fire, such as the fireman's elevator defined in GB/T 26465;

b) Elevators used for evacuation of people in buildings, such as the elevators specified in GB/T 41122.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

this document.

GB/T 7024 Terminology for elevators, escalators and moving walks

GB/T 7588.1-2020 Safety Code for Manufacture and Installation of Elevators Part 1. Passenger Elevators and Freight Elevators (ISO 8100-1.

2019, MOD)

GB/T 15706-2012 General Principles of Machinery Safety Design Risk Assessment and Risk Reduction (ISO 12100.2010, IDT)

GB/T 31200-2014 Elevator, escalator and moving walk passenger graphic sign and its use guidelines

3 Terms and Definitions

The following terms and definitions defined in GB/T 7024, GB/T 7588.1-2020 and GB/T 15706-2012 apply to this

document.

3.1

A person who is legally responsible for a building.

3.2

BMS

A system that implements comprehensive management of building equipment monitoring systems and public safety systems.

[Source. GB 50314-2015,2.0.6]

3.3

Designated layer designatedlanding

In the event of a fire, according to the building's evacuation plan, allow people to leave the elevator to safely evacuate the building or building area

A specific floor of a domain.