During project design, it is important to develop a storm water management basis for design. This is done primarily for the permanent storm water conveyance systems, but is is also important to do this for the temporary erosion controls, which are, in effect, a temporary storm water conveyance system. This project, though covering a small area, drains directly to a creek which is tributary to an important salmon spawning river. In addition, there was some risk that the project might not be complete before the fall rains would begin. Because of these things, the basis of design process led to a system of clean water diversion and site water collection and dispersal into vegetation.
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