亚洲AV一宅男色影视

 11 East Main Canal Project of South to North Water Diversion Project

East Main Canal Project of South to North Water Diversion Project

This bid section is the second bid section of the East Main Canal Project of Beijing south to North Water Diversion Project. The first lining of the second bid section is constructed by shield method. The pile number of water conveyance tunnel line is 3 + 974.390 ~ 7 + 833.640. The total length of the central conductor is 3859.25m. It includes Donggan canal water conveyance tunnel, 3 ᦇ and 4 ᦇ shield launching and receiving shaft, 6 ᦇ shield receiving shaft, 4 ᦇ and 6 ා secondary lining construction shaft, 8 ᦇ and 10 ා 12 ා exhaust valve shaft, hydraulic equipment installation engineering, electrical equipment procurement and installation engineering, automation system civil engineering, protection engineering, construction site remote monitoring system, permanent safety monitoring engineering, water and soil conservation engineering and environmental protection engineering.

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