[safety knowledge] risk assessment of highway tunnel construction (5)

Data list 1

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Brief introduction of construction unit 2

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Qualification of construction unit 3

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Safety production license of construction unit 4

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Geological survey report 5

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Construction organization design 6

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Safety risk assessment report in preliminary design stage 7

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Safety pre evaluation report 8

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Approval document of feasibility study report 9

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Approval document of preliminary design 10

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Approval document of construction drawing design 11

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Two stage construction drawing.

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