South Conway 12-Inch Gas Upgrade
Conway, SC
Natural Gas
Water Resource

The South Conway 12-inch gas upgrade is a multi-phase project being completed by SCE&G.  The project’s purpose is to improve supply and pressure to SCE&G’s rapidly growing distribution system within the Myrtle Beach area.  


Phases of work include:

  • Highway 378 12-Inch Gas Extension – Approximately six miles of 12-inch high pressure steel gas main along Highway 378
  • South Conway Loop Phase I – Approximately three miles of 12-inch and 6-inch high pressure steel gas main along Hemmingway Chapel Road
  • South Conway Loop Phase 2 – Approximately four miles of 12-inch high pressure steel gas main along another section of Highway 378
  • Read More

    Challenges included mitigating disturbance to wetlands, coordinating with multiple regulatory jurisdictions, property owners, and right-of-way agents to facilitate easement acquisition; planning construction activities in very limited work space, multiple horizontal directional drills under major roadways, wetland areas, waterways, and other obstructions.  

    Thomas & Hutton provided route selection, project planning, route survey and utility locating, easement research and exhibits, easement plats and wetland plats, critical crossings and horizontal directional drills, transmission/distribution pipeline design, wetlands delineation, permitting, and mitigation, stormwater and encroachment permitting, stormwater pollution prevention plan preparation and specifications, record drawings, GIS/field data collection, web-based GIS data management, onsite and bid meetings, and right-of-way/construction staking.