GB/T 50451-2017
煤矿井下排水泵站及排水管路设计规范
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Scope as published
本规范适用于新建、改建和扩建煤矿的下列工程设计： 1 主排水泵站； 2 采区排水泵站； 3 井底水窝泵站； 4 抗灾排水泵站； 5 井下排水管路。
The original Chinese text is authoritative; this excerpt is retained as catalogue metadata, not a translated normative requirement.
Version history
Earlier editions: None recorded
Later editions: None recorded
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