How far apart should manholes be placed? Test your knowledge on this and more in Envirosight’s Sewer IQ: Manhole Inspections quiz. Once you're done, challenge your crew to beat your score.
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How far apart should manholes be placed? Test your knowledge on this and more in Envirosight’s Sewer IQ: Manhole Inspections quiz. Once you're done, challenge your crew to beat your score.