Drain field system

作者: Frederic P. Atchley , Michael D. Maroschak

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摘要: A drain field and a assembly for use with sewage disposal system are provided that do not require the of aggregate in form rock, gravel, shale, or like. The contains distribution pipe having plurality holes disposed along its bottom half receiving liquid effluent. Alongside beneath positioned void pipes slots therein serve to retain distribute effluent received from pipe. Draped over top sides is protective sheeting impervious soil permeable serves keep entering also aid evapotranspiration. present invention within trench covered backfill material.

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