Case Studies

  • Levee Slope Protection
    Project Overview After an inspection in early 2016, a flood protection levee along the Little Calumet River was found to be out of compliance with …
  • Diversion Ditch for an Underground Mine
    Project Overview In August of 2016, 11,125 sq. m’s of Concrete GCCM 8mm (CC) was used as a protective liner for a large diversion ditch …
  • Culvert Invert Protection
    Project Overview The Ohio Department of Transportation’s (ODOT) Office of Hydraulic Engineering had interest in utilizing Combat Concrete in a culvert lining/protection demonstration project. Concrete …
  • Drainage Swale Lining
    Project Overview The facility is located in extremely difficult dry, windy climate where vegetation is hard and expensive to maintain. However when precipitation does occur, …
  • Berm Protection
    Project Overview Asphalt–emulsion had been used for years as a hard armor berm protection for a secondary containment system at a tank terminal site in …
  • Culvert Invert Lining
    Project Overview This existing 9 foot diameter corrugated metal pipe (CMP) was corroding or rusting through the invert or base of the pipe. At some …
  • Flume/Down Slope Swale
    Case Study Description When the SCDOT had severe erosion on a slope face of an overpass bridge on I-26 in Spartanburg County, they turned to …
  • Irrigation Collection/Distribution Structure Lining
    Project Overview The North Poudre Irrigation Company has installed and maintained irrigation water collection and distribution structures such as the one pictured to the right …
  • Headwall Scour Protection
    Project Overview The NCDOT replaced a double barrel culvert with a larger single barrel culvert under Ivey Road about a half mile east of Route …
  • Culvert Repair
    Project Overview As a result of periodic culvert inspections the Virginia Department of Transportation (VDOT) identied the existing triple barrel steel plate culvert as requiring …
  • Slope/Stream Bank Stabilization
    Project Overview Severe erosion concerns from tidally influenced coastal waters created a need for a permanent and relatively maintenance free erosion stabilization measure. Due to …
  • Slope Protection
    Project Overview NCDOT Bridge Maintenance Division 6 had a major erosion problem at the bridge piles underneath I-95 at Highway 87 in Cumberland County, NC. …
  • Twin Culvert Invert Lining
    Project Overview Two 72-inch diameter corrugated metal (CMP) culverts in Greenville, Alabama, had sections at the invert that had rusted through. The cost to cut …
  • Swale Construction
    Project Overview A cell phone tower company has a tower site at the top of a steep hill in a remote location in Eastern Tennessee. …
  • Culvert Outlet Washout Repair
    Project Overview Water from a drainage tile and a culvert created a deep scour hole on the face of a 3 on 1 slope in …
  • Landfill Slope Protection
    Project Overview One area of a recently constructed landfill required construction of a steep, geotextile reinforced slope to assure long-term stability near the property line. …
  • Headwall Scour Protection
    Project Overview A Corrugated Metal Pipe (CMP) roughly 72 inches wide by about 42 inches tall had rusted through the invert in some sections. The …
  • Ditch Lining
    Project Overview The Boone Street drainage channel periodically overflows during storm events, overtopping the recently constructed concrete channel. The earth slopes above the concrete walls …