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Location Geumgok-dong, Buk-gu, Busan ~ Nopo-dong, Geumjeong-gu, Busan, Korea
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Description
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Total L = 7,426m
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Tunnel L = 7,145m
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2 Underlay shafts L = 982m, 955m
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Technical Issues
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Minimiization of the groundwater level drawdown caused by tunnel excavation for swamps, scattered around mountain, and temples
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Planning for accident fire prevention and management by the installing safety zone in tunnel
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