Category: DigClean

Terradex at 20: Keeping the Startup Feeling in Pursuit of Long-Term Stewardship

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A Proposal To Improve Institutional Control Effectiveness Through Better Mapping

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DigClean is Protecting Excavators Across Delaware From Buried Chemicals

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Mobile Web Tool for Excavators in Delaware Helps Plan for Subsurface Chemical Hazards

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Forecasting an Engineering Control or Institutional Control Breach, A Study of Third-party Excavation Activity

Excavations by third-parties are inevitable near any cleanup site. Of concern to cleanup site managers, these unexpected events can breach institutional or engineering controls relied upon in a site’s cleanup remedy. Third-party excavators include utility companies, developers and contractors whose work is not part of the site cleanup process.

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Dig Clean Excavation Advisory Begins in Delaware

As another step towards increased environmental agency integration into one-call systems, on December 17, 2012 Terradex expanded its Dig Clean service on behalf of the Delaware Department of Natural Resources and Environmental Conservation (DNREC).   Terradex Dig Clean builds near real-time advisories that it sends to contractors and designers after they submit “locate requests” but  before they actually begin any excavation work.   The DNREC deployment of Dig Clean began as a pilot covering the City of Newark, Delaware.

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Slowly But Surely: One Call Systems Increasingly Used for Environmental Cleanup Sites

Slowly but surely, often with close involvement of Terradex, the power of one-call helps manage cleanup sites.  In every state, call-before-you-dig or “one call” laws require a phone call (or increasingly an electronic notice) of the planned dig.  State one-call centers route the resulting “excavation tickets” to the people and companies who own or operate underground lines who, in turn, send back “all clear” messages or mark the lines so excavators don’t hit or damage them.

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