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I <br /> Figure II-4.2.9 Block and Gravel Curb Inlet Protection I <br /> A - I <br /> / — Catch basin <br /> Back of sidewalk <br /> 2x4 Wood stud <br /> / <br /> Back of curb Curb inlet / <br /> Concrete block <br /> Wire screen or °. ..., A � N, 1 -4 <br /> X r i�i: Y a�.. .'�''; • f� �u <br /> filter fabric A .4 F, °; ' Comma <br /> 3/4 inch(20 mm) ~ Concrete block <br /> Drain gravel Plan View <br /> Ponding height <br /> 3/4 inch(20 mm) <br /> Drain gravel <br /> Overflow ' <br /> _ <br /> .o it ❑ I <br /> jai, Curb inlet I`/ <br /> Wire screen or �`/j.2 /<'\. <br /> filter fabric 2x4 Wood stud /`! ..- </� <br /> (100x50 Timber stud) ,i <br /> Catch basin \j <br /> Concrete block <br /> I <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 /> f..►� Figure 11-4.2.9 <br /> Block and Gravel Curb Inlet Protection 1 <br /> "WWII <br /> DEPARTMENT OF Revised August 2015 <br /> IECOLOGY Please see http://www.ecy.wa.gov/copyright.html for copyright notice including permissions, <br /> State of Washington limitation of liability,and disclaimer. <br /> I <br /> I <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume II- Chapter 4 -Page 363 • <br />