Trenchless Technology

JAN 2019

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fluids that work in extreme depths and with extreme temperatures and lift loads. The environmentalists are con- cerned about the heavy metals and hydrocarbons that are contained in solids or liquids and the negative im- pact those may have on plants and an- imals. Bates says that typically those are not existent when completing utility work. They are also concerned about liquids that can flow because it can enter natural bodies of water and it can impact the water environment . " I think all of that attention has made utility owners aware that they are not just responsible for fluid man- agement while the job is in process," Bates say. " You will hear utility own- ers discuss now how they own those fluids from cradle to grave." It also requires a concerted effort on the part of all involved in the indus- try. For instance, Tumbelson says that after the meeting in Washington, D.C., the DCA is working to bring a similar presentation to the state and local level where many of the concerns appear to be. And Levings, a longtime advocate for educating the general public, sees a greater need for those efforts today. " The fluid concerns will not go away. If contractors are not experiencing is- sues with fluid disposal today that is a good thing , but they need to be pre- pared because it is coming their way. We can't sweep this under the rug , we can't turn a blind eye to it , it is com- ing ," Levings says. " It might not be af- fecting everyone at this point in time, but it is headed towards everyone. As an industry we need to embrace it and work hard to educate the general pub - lic on the benefits if HDD, the benefits of the fluids that we use and the steps that we as an industry have taken to work in people's neighborhoods to be environmentally responsible." Mike Kezdi is associate editor of Trenchless Technology. W W W.T R E N C H L E S S T EC H N O LO GY.C O M 27 A sample disposal manifest for drilling fluid that a contractor would keep for its records. The solids coming off a slurry system on a microtunneling project in Ontario.

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