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it <br /> Plan View <br /> Back of Sidewalk A Catch Basin <br /> 2x4 Wood Stud <br /> Back of Curb Concrete Block <br /> Curb Inlet <br /> �4 M <br /> V <br /> js Wire Screen <br /> or <br /> Filter Fabric A-j Concrete Block <br /> Section A - A Y4"Drain Gravel <br /> 20mm) <br /> Drain Gravel <br /> (20mm) <br /> Ponding Height <br /> Concrete Block <br /> Overflow <br /> Curb Inlet <br /> A <br /> Wire Screen or <br /> Filter Fabric <br /> Catch Basin <br /> 4 Wood Stu <br /> (1 OOx5O Timber Stud) <br /> NOTES: <br /> 1.Use block and gravel type sediment barrier when curb inlet is located in gently sloping Street Segment, <br /> where water can pond and allow sediment to separate from runoff. <br /> 1. <br /> 2.Barrier shall allow for overflow from severe storm event. <br /> 3.Inspect barriers and remove sediment after each storm event. Sediment and gravel must be removed <br /> J; from the traveled way immediately. <br /> Figure 4.2.9— Block and Gravel Curb Inlet Protection <br /> Vohiwe H—Constriction Stoi-inwalei-Pollution Prevention -August 2012 <br /> 4-85 <br />