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Shotcrete Drainage

AWD SITEDRAIN products installed behind shotcrete faced structures help prevent the accumulation of water behind applied shotcrete by collecting and redirecting the water to an outlet or collection system. This results in a safer, more durable structure.

The Westbound I-70 Twin Tunnels project in Idaho Springs widened the westbound bore of the tunnel to about 53-feet. 510 4' x 50' rolls of prefabricated drainboard were used as waterproofing before shotcrete was applied to the walls and ceiling.




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