GB/T 12898-2009 in English

VALID

Specifications for the third and fourth order leveling

Issued on:2009-05-06
Implemented on:2009-10-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $490.00
$476.00

Standard No:	GB/T 12898-2009
Document status:	VALID
Title in English:	Specifications for the third and fourth order leveling
Title in Chinese:	国家三、四等水准测量规范
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2009-05-06
Implemented on:	2009-10-01
Superseding:	GB 12898-1991 Specifications for the third and fourth order leveling
ICS Classification:	07.040-Astronomy. Geodesy. Geography
Chinese Classification:	A76-Geotectonic Mapping and Marine Mapping
Professional Classification:	GB-National Standard
Related Keywords:	fourth grade leveling networks fourth order fourth grade leveling fourth
Related Topics:	Monitor Third Class Requirements Sanqi National Science and Technology other countries testing home three Leveling National Testing Center Trace national energy National third batch Surface water grade 3 or 4 National March Agency level gb/t12898 National Spectral Survey waters triple four Three parts and four parts National Level 3 Animal 6 Fourteen batches of thousands of nationals China IV standard year Four national standard tests Domestic triple quadrupole Fourth batch of countries National Thirteenth Five-Year Plan National Thirteenth Five-Year Plan Third-party testing abroad The fourth batch of the country Three strings of four National Water 10 National standard triple quadrupole National Specification Conditions Domestic four-pole National 14th Five-Year Plan Moisture meter national standard National third party National 14th Five-Year Plan National 14th Five-Year Plan Requirements The fourth batch of national public The fourth batch of national modern The four domestic luminous masters National 14th Five-Year Plan Requirements three plus four d french measurement 14th Five-Year National Plan 14th Five-Year National Information Plan National Standards for Fruits Frontiers of the National 14th Five-Year Plan Triple Four Principles National Water Quality National Substance Measurement Act Isotherm Type III Type IV National Triangulation National level three and four GBT12898 GB/T 12898-2009 Second-class level measuring instruments Leveling National Three Guarantees for Household Appliances National first and second class leveling regulations free of charge Second-class level measurement method of Tianbao level The latest national standards for flow measurement The latest national standards and specifications for sawn timber The latest national standards and specifications for drag chains National quality of probe National Standard for Moisture Analyzer Electrodes National standards for dimensional measurements National Standard Iron Ore Powder Moisture Testing Standard National standard for crack measurement National physical quantity National domestic hot water metering National water oxygen content National standard water quality total phosphorus National Class II water quality standard iron content National Class III water quality standard iron content National standards for hydrogels National standard for transparent PTFE pipes Quasi Category IV water quality Three point bend national test National standard requirements for water plant flow meters Ammonia content in national standards National standard drainage method measurement Chinese National Standard "Word Segmentation Specification" National standard for determination of reed moisture content Surface level four gb/t12898-2009 National third and fourth grade level measurement National standards for washed sand gb/t 12898-2009 Trifluoroethanol national quality Load national standard specification temperature National Metrology Technical Specification System Water Level gb/t 12898

《GB/T 12898-2009国家三、四等水准测量规范》由TC230（全国地理信息标准化技术委员会）归口，主管部门为自然资源部(测绘地理)。
本标准规定了建立三、四等水准网的布设原则、施测方法、精度指标和技术要求。

Scope

This standard stipulates the layout principles, measurement methods, accuracy indicators and technical requirements for establishing the third and fourth grade leveling networks. This standard applies to the deployment and testing of the third and fourth grade leveling nets.

More samples: NB/T 47013.2-2015 JJG 21-2008 GB 18306-2015

Sample only — not a preview of GB/T 12898-2009

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