PRE-TREATMENT In-ground Wash Pad Concept Drawings The primary purpose of an in-ground pit system is to retain heavy settleable solids and debris that will impact the sump pump Excessive amounts of water volumes in the pit system will create an anaerobic microbial environment (e.g. stagnant water) that will contribute to malodorous conditions in the wash area 1 Pit Single Pad 2 Pit Multi Pad 3 Pit Single Pad Inground Separator 15
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