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GB/T 50657-2011Standard of drawing-making for surface mining coal (English PDF)

煤炭露天采矿制图标准

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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 · Recommended

Issue date

December 24, 2010

Implementation date

December 1, 2011

Scope

GB/T 50657-2011 is the English-translated version of 煤炭露天采矿制图标准.

GB/T 50657-2011 — This standard applies to the design phase of open pit coal mining professional engineering drawings.

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Document preview — GB/T 50657-2011

National Standard of the People's Republic of China

ICS: 73.010
Classification: P 70

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

What this standard covers

This standard applies to the design phase of open pit coal mining professional engineering drawings.

Document data

International classification (ICS): 73.010.

Chinese classification (CCS): P70.

Estimated length of the Chinese original: 67,618 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 45 pages — is available in the English PDF.

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