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A California State Regulator was asked recently… “why are wattles so popular in California?"... He responded… “Originally, in the past, we have placed wattles (fiber rolls) on the slopes at regular intervals to break the distance and to reduce runoff flow velocity. About a year and half ago, we started using fiber rolls as an alternative to silt fence. We also started using fiber rolls as filters to remove sediment from runoff and for drain inlet protection. The reason we like to use fiber rolls is because they are biodegradable, lighter & easier to handle or repair. They are also cheaper than silt fence. They can be run over by contractors' equipment and still maintain their usefulness. They can blend into the landscape and from the aesthetic stand point, they are preferred over silt fence and gravel bags. Gravel bags can do the same work as the fiber rolls but they tend to break open if run over by traffic and discharge sand or gravel into the inlets”... |
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