Existing site conditions would not allow a typical drainage basin to manage the storm water runoff created from a new natural gas compressor station. Engineers designed an underground filtration and storage system to handle the storm water runoff. Our crew excavated and installed the underground storm water management tank system…
The Hillis Group was contracted to restore the areas of land disturbed during the ongoing construction of a new compressor station. Our work included multiple mobilizations to ensure our client was following environmental regulations. We were responsible for preparation of the new seed bed and permanent stabilization utilizing hydroseed of…
The Hillis Group was contacted to proactively restore recently discovered soil fractures on a steep slope. During the initial exploratory excavations, numerous spring seeps, organic materials, and timbers were discovered which resulted in more of an extensive repair than initially designed. Over 6,500 cubic yards of soils were excavated from…
After heavy rains and high flood waters caused major stream bed erosion, leaving a ford impassable, The Hillis Group was contacted to repair a railcar bridge. We mobilized to Spread 3 on the Mariner East II Pipeline and began constructing a dam and pump around, imported native cobble stone and…
For our client to meet their critical completion date, they needed a company that had the capabilities, necessary resources and availability, to take over and complete an active, ongoing project. The Hillis Group completed 78 miles of main line restoration on the Atlantic Sunrise (ASR) Pipeline Project. Work consisted of…
The Hillis Group completed a 13-mile pipeline restoration project in Honesdale PA. The scope included restoration to grade, decompaction, rock removal, seeding, hydroseeding, mulching, as well as restoration of 20+ acres in a contractor laydown yard, scraping stone, off-site hauling, removing, and restoring topsoil.
The Hillis Group was brought in to complete 17 miles of final restoration and pipeline work for our client, chosen for our unique ability to seamlessly cross lines of services from civil, to pipeline, to restoration. The work scope included: restoring subgrade contours, decompaction of right of way, rock picking,…
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