Equipment Type

Dewatering Underway at Bertha Site

Bertha, the boring machine digging Seattle’s Highway 99 tunnel, remains stuck after hitting an unknown object on Dec. 6.

December 18, 2013

Bertha, the boring machine digging Seattle’s Highway 99 tunnel, remains stuck after hitting an unknown object on Dec. 6.

According to the Seattle Times, workers have begun drilling vertical wells to drain the groundwater and relieve pressure around the machine. Twelve wells will aid in the dewatering, which is set to be complete late this week. When the drilling and pumping are complete, officials hope engineers will be able to inspect and remove the blockage.

Read more

Source: The Seattle Times

More like this

Comments on: "Dewatering Underway at Bertha Site"

Subscribe Today

Enter your email address here to be automatically subscribed to our daily newsletter!

Overlay Init