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I <br /> IFigure II-4.2.9 Block and Gravel Curb Inlet Protection <br /> I A— <br /> _^__, Catch basin <br /> I <br /> Back of sidewalk // <br /> 2x4 Wood stud <br /> Back of curb Curb inlet <br /> IConcrete block <br /> Wire screen ors a„ <. gr -`ram,.: ' A <br /> filter fabric ^C:o �n a M o- <br /> inch(20 mm) A Concrete block <br /> IDrain gravel Plan View <br /> IPonding height <br /> % inch(20 mm) <br /> Drain gravel <br /> Overflow <br /> �� / / <br /> r Curb inlet \ \ <br /> Wire screen or ,•' /�:'<<%� ���ry <br /> filter fabric r jF'%i" <br /> 2x4 Wood stud -, �/ <br /> (100x50 Timber stud) /, <br /> Catch basin <br /> 111 Concrete block \\/ <br /> Section A-A <br /> I 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 /> I 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 /> III <br /> llEll <br /> I Figure 11-4.2.9 <br /> 'VW' Block and Gravel Curb Inlet Protection <br /> DDEPARTMENTOF Revised August2015 <br /> I <br /> E C O L O G Y 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 /> IVolume II- Chapter 4 -Page 363 <br />