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中華人民共和國電力行業標準（DL/T 5742-2016）：水電水利地下工 
市場價：340元 優惠價：290元
立刻節省：50元
This specification is formulated to unify the technical requirements for and ensure the quality of hydropower and water resources underground works to meet the needs of underground construction. This specification is applicable to construction survey of hydropower and water resources underground works. This specification uses the root mean square error （RMS error） as the measure of construction survey accuracy， and uses the two times RMS error as the tolerance. A sound quality assurance system shall be established， and all survey activities shall observe the requirements stated in the quality assurance system documentation. The survey organization or professionals engaged in the underground works construction survey shall possess the appropriate qualification certificates. The survey crew shall observe a set of rules and criteria that are compliant with DL/T 5173 Specification of Construction Survey in Hydroelectric and Hydraulic Engineering. The survey crew shall design and optimize the construction survey methodology according to the specific drawings， topographic and geologic conditions.
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