GB4053.1-2025

Safety requirements for fixed metal ladders and platform—Part 1: Vertical ladders

固定式金属梯及平台安全要求第1部分：直梯

GB 4053.1-2025 est une norme nationale chinoise obligatoire à venir : Safety requirements for fixed metal ladders and platform—Part 1: Vertical ladders. Secteur : Alimentation. Thème principal : Sécurité des produits. Entrée en vigueur : 1 janv. 2027.

L’applicabilité dépend du périmètre du produit, de la voie de certification, des avis des autorités et des règles de transition. Demandez une traduction ou vérifiez la source avant d’utiliser cette fiche pour une décision de conformité.

Aperçu de conformité

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Champ d’application

This standard applies to the design, manufacturing, and installation of fixed metal vertical ladders used in industrial enterprise workplaces. It covers general requirements, structural specifications, and fall protection devices. This standard is mandatory for all industrial facilities utilizing fixed vertical ladders. It explicitly excludes ladders installed on nuclear facilities, ships, lifting machinery, power transmission towers, and communication towers.

Exigences techniques

The standard specifies comprehensive safety requirements for fixed metal vertical ladders, focusing on structural integrity and fall prevention. It defines the selection criteria for single and double stile ladders, prioritizing double stiles unless space is restricted. Manufacturers must adhere to strict flight height limitations and mandatory fall protection thresholds. For example, ladders with a flight height exceeding 3 meters require a safety cage or a fall arrester, while heights exceeding 10 meters strictly require a fall arrester. Structural requirements detail the dimensions and spacing for stiles, rungs, and supports. The standard mandates specific inside clear widths and uniform rung spacing to ensure safe climbing. Engineers must ensure that all structural components can withstand specified vertical and horizontal live loads without exceeding allowable deflection limits. Additionally, it sets criteria for surrounding clearances to prevent interference from continuous and non-continuous obstacles. The standard extensively covers fall protection devices, including safety cages, fall arresters, and additional protective measures for elevated platforms. It also introduces new requirements for intermediate platforms, trap doors, and self-closing gates to mitigate fall risks at transition points. Compliance with corrosion protection and lightning grounding requirements is also mandatory for outdoor installations.

Méthodes d’essai

The standard outlines structural and load-bearing evaluations rather than specific laboratory testing steps. It requires verification of load capacities, including vertical concentrated live loads on stiles and rungs, as well as horizontal loads on supports. Compliance verification also involves assessing the structural integrity of safety cages and the dynamic impact resistance of connections supporting fall arresters. Engineers must verify that manufacturing and installation quality meets the referenced standards, such as GB 50205 for steel structures.

Questions fréquentes

What products and facilities are regulated under GB 4053.1-2025?

This standard applies to fixed metal vertical ladders used in industrial enterprise workplaces. It does not apply to ladders installed on nuclear facilities, ships, lifting machinery, power transmission towers, or communication towers.

What are the main updates in GB 4053.1-2025 compared to the 2009 version?

The 2025 version introduces significant updates, including new requirements for fall arresters, additional fall protection measures, intermediate platforms, trap doors, and self-closing gates. It also modifies requirements for flight heights, materials, and structural dimensions.

When is a fall arrester or safety cage mandatory under this standard?

For flight heights over 3m and up to 10m, a safety cage or fall arrester is required. For heights exceeding 10m, a fall arrester is mandatory, and users must wear a full-body harness.

The summary above provides a high-level overview of GB 4053.1-2025. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 4053.1-2025 today to access all detailed parameters, tables, and testing procedures.

Indications d’applicabilité

Type: Sécurité
CCS: C 68
ICS: 13.100
Autorité compétente: Ministry of Emergency Management
Comité technique: National Technical Committee on Work Safety of Standardization Administration of China

Relations

Remplace:GB 4053.1-2009 (En vigueur)