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GB 50991-2014Technical standard for DC interference mitigation of buried steel pipeline (English PDF)

埋地钢质管道直流干扰防护技术标准

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Issued by

Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Mandatory

Issue date

May 16, 2014

Implementation date

February 1, 2015

Scope

GB 50991-2014 is the English-translated version of 埋地钢质管道直流干扰防护技术标准.

GB 50991-2014 — This standard applies to pipes direct interference investigation and testing, as well as direct interference protection engineering design, construction and maintenance.

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Document preview — GB 50991-2014

National Standard of the People's Republic of China

ICS: 75.010
Classification: P 71

Issued by: Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard applies to pipes direct interference investigation and testing, as well as direct interference protection engineering design, construction and maintenance.

Document data

International classification (ICS): 75.010.

Chinese classification (CCS): P71.

Estimated length of the Chinese original: 74,797 words.

Standards quoted by this document

GB 50157; GB 50217; GB/T 21246; GB/T 21448; GB/T 28026.2; DL/T 5224; SY/T 0087.1

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 49 pages — is available in the English PDF.

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