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→Pipes
==Pipes==
==Pipes==
Some clogging of perforated [[pipes]] is likely to occur between maintenance visits. As mentioned above a clogging factor of 0.5 is often applied. See [[Flow through perforated pipe]].
Some clogging of perforated [[pipes]] is likely to occur between maintenance visits. As mentioned above a clogging factor of 0.5 is often applied. See [[Flow through perforated pipe]].
Pipes with smooth internal walls make for easier operation and maintenance.
Various opinions are offered about how to mitigate the accumulation of sediment. The appropriate solution may depend on whether the water is flowing into the pipe (see [[underdrains]]), or out of the pipe as in [[exfiltration trenches]].
Various opinions are offered about how to mitigate the accumulation of sediment. The appropriate solution may depend on whether the water is flowing into the pipe (see [[underdrains]]), or out of the pipe as in [[exfiltration trenches]].