This project involved the replacement of 710’ of DOT-regulated pipeline in Chester County, Pennsylvania. The work required careful excavation near high-pressure natural gas pipelines with strict adherence to safety protocols. The Hillis Group successfully scheduled their work with planned outages and tie-in dates to keep the entire project on time.
The project involved assisting the client with repairing a valve inside the station. Six road plates were installed to protect the mainlines during construction, and temporary fence panels and jersey barriers were set up nightly for site security. Excavation included soft digging with a vac truck to specified dimensions, dewatering…
The Hillis Group completed (4) separate anomaly digs at (3) different locations across the State Of New Jersey. The anomalies took place inside meter stations facilities mandating that all digging be completed utilizing hydro excavation. Diameter of pipe ranged from 20 “to 8”. One location the coating tested positive for…
The Hillis Group was contracted to mitigate an area of existing pipeline right of way that has been plagued with ditch line subsidence. This project consisted of removing asphalt driveways and pedestrian walk paths to excavate compromised soils around and under the existing pressurized natural gas pipeline. Sloping and trench…
In January of 2022, The Hillis Group was contracted to perform a cut out and replacement of approximately 300 LF of 8” natural gas steel pipeline. The project consisted of replacing a 93’ box sag below a creek bed, 105 LF long bore under an active railroad, and 102 LF…
The Hillis Group completed a 500’ replacement of 30’’ natural gas pipeline. The project consisted of installing the new pipe by guided bore under a busy roadway, installing two segments of new pipe to tie into the existing pipe. Our Team successfully managed and executed this project while maintaining a…
This project consisted of the replacement of an 80’ section of 24” transmission gas pipeline located on the side of a hill with 45-degree slopes. The Hillis Group was required to winch all equipment and material down the hillside. Project consisted of building and removing temporary access road, removal of…
The Hillis Group completed 13.6 miles of Stress Corrosion Cracking Hydrostatic testing combined with 6,852 LF of take up and re-lay of 24” pipe. This project consisted of pipe replacements, building, maintaining, and removal of temporary access roads, multiple creek crossings, difficult terrain (rock and steep slopes), two separate caliper…
This project consisted of the installation of 2.12 miles of 8” natural gas pipeline in the subzero degrees of winter. The Hillis Group tied a new gas well into an existing 12” transmission line. The scope of work also included clearing the right of way, fabrication and installation of a…
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