The Franklin shire Sanitary Landfil...

The Franklin shire Sanitary Landfill, owned by the Solid Waste Authority of Central Ohio, is located adjacent to Interstate 71 near Columbus, Ohio. The 120-acre sanitary landfill is nearing completion of its permitted air space, and a permit is pending for a 243-acre expansion.

As the authority prepared to make Phase VI of the landfill last year, it wanted to find a method to direct runoff and replace a sedimentation pond that had accommodated runoff from the first five phases.

The pond had been sited forward the land upon which Phase VI would be built. Its location within the permitted area was unusual, according to thrust Satchwill, Cincinnati-based project manager for SC Engineers, extended Beach, Calif., since sedimentation pond are normally situated off-site.

A temporary sedimentation and erosion govern pond was constructed atop the existing clos landfill while the sedimentation pond in Phase VI was remov