GB 12142-1989
Safety standard for light-metal extension ladders (English Version)

Standard No.

GB 12142-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2008-02

Replace By

GB 12142-2007

Latest

GB 12142-2007

Scope

This standard specifies the main technical conditions and inspection methods for the design, manufacture and use of two-section light metal tensile ladders to ensure the safety of users. This standard applies to two-section light metal stretch ladders for temporary high-altitude operations.

GB 12142-1989 history

• 2007 GB 12142-2007 Safety requirements for portable metal ladders
• 1989 GB 12142-1989 Safety standard for light-metal extension ladders