GB 12897-1991
Specification for the first and second order leveling (English Version)

Standard No.

GB 12897-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

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

Status

Be replaced 2006-10

Replace By

GB/T 12897-2006

Latest

GB/T 12897-2006

Scope

This standard stipulates the layout principles, measurement methods and accuracy indicators for the establishment of first- and second-class leveling networks on the national territory. This standard is applicable to the deployment and testing of the national first-class and second-class leveling networks. Regional precision leveling can also be used as a reference.

GB 12897-1991 history

• 2006 GB/T 12897-2006 Specifications for the first and second order leveling
• 1991 GB 12897-1991 Specification for the first and second order leveling

GB 12897-1991 Specification for the first and second order leveling was changed to GB/T 12897-2006 Specifications for the first and second order leveling.