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e � <br /> Figure 11-4.2.9 Block and Gravel Curb Inlet Protection <br /> A-- <br /> Catch basin <br /> Back of sidewalk <br /> 2x4 Wood stud <br /> Back of curb Curb inlet <br /> - Concrete block <br /> ZO.44"cp. <br /> i J <br /> { _ _ _ IV: <br /> Wire screen or `� t.�Y,• `"'''`• P: gy , t..T ;o..°'. S <br /> filter fabric Cv b..`?,,t t "1>"<� v y'K ;y.J �Yi J 4• ••dt'kr.:.'4J(r'`�t'�°c�yt, �vt��', ��°'2f'.-y <br /> 3/ inch(20 mm) Concrete block <br /> Drain gravel Plan View <br /> Ponding height <br /> %4 inch(20 mm) <br /> Drain gravel <br /> Overflow <br /> — — <br /> Curb inlet <br /> Wire screen or <br /> filter fabric 2x4 Wood stud <br /> (100x50 Timber stud) ! <br /> Catch basin ,, <br /> Concrete block <br /> Section A-A <br /> Notes: <br /> 1. Use block and gravel type sediment barrier when curb inlet is located in gently sloping street <br /> segment,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 <br /> removed from the traveled way immediately. NOT TO SCALE <br /> W." <br /> U ` Figure 11-4.2.9 <br /> Block and Gravel Curb Inlet Protection <br /> DEPARTMENT OF <br /> Revised August 2015 <br /> ECOLOGY Please see http://www.ecy.wa.gov/copyrighthtml for copyright notice including permissions, <br /> State of Washington limitation of liability,and disclaimer. <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume 1l-Chapter 4 -Page 363 <br />