In Underground Construction, the Sum of the Parts is Greater than the Whole

By June 26, 2017 News No Comments

TBM_April2017_30-31_WebNewsFor every infrastructure megaproject, there are as many small, typically unsung but vital components as there are large, more newsworthy sections. Yet without these smaller components, the overall project may not be able to proceed.  The District of Columbia Water and Sewer Authority’s (DC Water’s) Clean Rivers Project is no exception. When three critical utilities above three separate areas along the Anacostia River Tunnel alignment were identified as being vulnerable to settlement during tunneling operations, Moretrench was contracted to perform compensation grouting though pre-placed sleeve port pipes to mitigate the potential for lost soil volume.

You can download a PDF of the full article here,  provided courtesy of  Tunnel Business Magazine.