GB/T 12897-2006: Specifications for the first and second order leveling

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Scope

This standard specifies the layout principles, leveling methods, and accuracy
indicators for the establishment of the first and second order leveling networks
throughout the country.
This standard applies to the layout and survey of the state first and second
order leveling network. Regional precise leveling networks can also make
reference to it.

Basic Data

Standard ID	GB/T 12897-2006 (GB/T12897-2006)
Description (Translated English)	Specifications for the first and second order leveling
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A76
Classification of International Standard	07.040
Word Count Estimation	118,149
Date of Issue	2006-05-24
Date of Implementation	2006-10-01
Older Standard (superseded by this standard)	GB 12897-1991
Quoted Standard	GB/T 3161; GB/T 10156; GB/T 16818; GB/T 18314; GB 50007-2002; CH 1001; CH 1002; CH 1003; CH/T 1004; CH/T 2004; CB/T 2006; JJG 8; JJG 414; JJG 425; JJG 703; JJF 1118
Regulation (derived from)	Announcement of Newly Approved National Standards No. 6, 2006 (No. 93 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the country to establish a second-class standard network layout principles, sampling methods and accuracy specifications. This standard applies to state a second-class level net cloth measured. Regional precise leveling network also can refer to the use.