CVG Sanitary Sewer Replacement and Apron Rehab


The Cincinnati/Northern Kentucky International Airport (CVG) Terminal 3 Consolidation/Concourse A Reactivation program was initiated to consolidate operations after an airline hub vacated Concourse A. Accelerated design and construction schedules were employed to meet the 11-month consolidation/reactivation deadline.

As part of the program, Woolpert was selected to perform the following sanitary sewer and apron rehabilitation tasks:

  • Replacement of 650 feet of 8-inch gravity flow sanitary line
  • Rehabilitation of 30,000 square yards of apron pavement
  • Identification of new routing for the sanitary outfall
  • Location of subsurface utilities
  • Inspection of apron pavement
  • Design of pavement rehabilitation plan

Woolpert worked with CVG staff to identify a new routing to correct the flat, inefficient sanitary outfall. The team located the more favorably sloped run mid-panel across the apron, resulting in the removal/replacement of only one row of panels for the installation of the new sanitary line. Additionally, Woolpert technicians provided subsurface utility locating services to determine the actual location and depth of an existing 10-inch jet fuel line crossed by the new sanitary outfall.

The aging pavement surrounding the concourse exhibited numerous weather-related surface distresses that Woolpert inventoried during a detailed visual inspection of the apron. Woolpert then developed a rehabilitation plan that included partial-depth patching, partial-panel replacement and isolated full-panel replacement to restore the apron pavement surface. Woolpert utilized FAA concrete specifications for the pavement rehabilitation, enhancing them with techniques and materials suitable for repair and rehabilitation.

Kenton County Airport Board

Hebron, KY