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Category Archives: Pipeline

Small Diameter Pipeline

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DTD has completed the installation of an 860 foot, 4-inch diameter steel pipeline beneath an extensive wetland and small headwaters…


When There is No Other Way

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Occasionally there are HDD shots that are completed because there is simply no other way. DTD was involved in such…


Directional Drilling to Install Traffic Signal Conduits, Seattle’s U-District

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In June, 2016, DTD once again teamed with Seattle Department of Transportation to install several two and three-inch signal light…


Utility Boring at Southern DOD Facility

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DTD completed the installation of a short utility boring that crossed beneath a small street and multiple existing utilities.  Total length…


HDD Reduces Traffic Impacts on Busy Thoroughfare Crossing

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When the Seattle Department of Transportation decided to upgrade traffic signals on the sixth busiest street in the city, they turned…


Drilling in the Rockies

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Sometimes you just go where the work is, and though it is the middle of February, DTD is kicking off…


Challenging 6-inch Steel Pipeline Crossing Completed

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DTD has completed the second of two installations, pulling back 6-inch diameter gas pipeline near Clarion, PA. The bore crossed…


Utility installations for Environmental Projects

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Remediation wells, whether vertical or directional, generally need to be connected to a treatment system, and sometimes to power, control…


Western PA HDD for Gas Gathering Line

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DTD has started drilling a small diameter (6-inch) section of gas pipeline near Clarion, PA.   This small gathering line…


1,500′ Utility Bore in Urban California

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DTD is using its CMS9030 for installation of utility conduits in southern California. This trailer mounted rig handles 31.5′ rods…