Compaction Grouting for Enhanced Soil Stability
Crux Subsurface was selected to support a critical infrastructure upgrade at the Willis Rd. Substation in Pennsylvania. The project required targeted ground improvement to increase soil density and ensure long-term foundation reliability for new substation components. The site presented fractured rock and variable subsurface conditions, demanding a high-precision solution.
Team Members
FirstEnergy Corp.
JW Didado Electric
Crux Subsurface
Crux’s Role
Crux provided comprehensive compaction grouting services, executing over 1,300 precision drilling and injection points across a dense grid layout. The program was designed to uniformly densify the subsurface and mitigate groundwater infiltration, supporting the structural integrity of the substation’s upgraded components.
Prior to full-scale implementation, Crux conducted site-specific evaluations to determine optimal grout volumes, injection pressures, and drilling depths. The team mobilized specialized equipment to navigate challenging terrain and maintain productivity across a large footprint.
Execution by the Numbers
- 27,000+ feet drilled
- 3,500 cubic yards of grout injected
- 1,000+ grouting points
- Grid-based layout for consistent soil improvement
Challenges & Solutions
The project required precise coordination to maintain schedule and safety standards while working near active utility infrastructure. Crux’s team adapted to subsurface variability and maintained consistent injection performance across all grid points. Every decision was guided by our core values—safety, precision, and adaptability.
Outcome
Crux successfully reinforced the substation’s foundation, delivering uniform ground improvement and long-term reliability. The Willis Rd. project exemplifies our ability to execute high-volume, high-precision grouting programs in support of critical utility infrastructure.
The project required precise coordination to maintain schedule and safety standards while working near active utility infrastructure.
