Eljen GSF Fits on Site with Compacted Soils

Friday, May 1, 2020

Eljen GSF bed system installed in a homeowner's front yard to repair failed system.

Problem: A two-bedroom home in Lawrence County, Indiana, had a failing system with effluent surfacing around the tank. The site has areas with drainage issues, and previous structures on the property created compaction in the soil in the remaining usable area.  

Solution: The compacted soils were removed and replaced with 20 inches of Indiana Department of Transportation Spec 23 sand. An Eljen GSF (Geotextile Sand Filter) bed system was able to be designed with an application rate of 0.25 gallon per square foot in the available area, and it has less overall height than a traditional mound. The drainfield consists of 24 A42 GSF units installed in three rows spaced 3.5 feet apart. The overall bed dimensions are 41 by 20 feet. The drainfield final elevation is above grade and is flood dosed.

Result: A code-compliant system was installed on the difficult site. The GSF system manages biomat buildup, helping to protect the soils below, and is also able to disperse effluent over the slow soils.

As seen in May 2020 issue of Plumber Magazine


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