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Plan View <br />Back of Sidewalk A — _ Catch Basin <br />')'..d W., 4 cr..,q <br />Section A - A ( Drain Gravel <br />20mm) <br />'/" Drain Gravel <br />(20mm) <br />Ponding Height <br />Concrete Block <br />Overflow � <br />°maa 11 I Ij <br />rim 0 <br />Curb Inlet <br />Wire Screen or Lod <br />�A�Catch Basin <br />Filter Fabric >X/x >/\ / Stud 1 <br />(100x50 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 />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 />from the traveled way immediately. <br />Figure 4.2.9 — Block and Gravel Curb Inlet Protection <br />• <br />0 <br />7 <br />Volume II — Construction Stormwater Pollution Prevention - August 2012 <br />4-85 <br />