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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Woodward.clyde <br /> <br />STANDARD SPECIFICATION SHEET <br /> <br />PROJECT NAME: <br />PRACTICE NO.: <br />DESIGNATION: <br /> <br />GB3 <br /> <br />Gravel-Filled BurlaD BaQ Check Dams <br /> <br />DESCRIPTION: <br /> <br />Gravel-filled burlap bags may be used for temporary check dams in areas of <br />concentrated flow, The burlap bag flaps shall be folded under the bags in a direction <br />away from the water flow, <br /> <br />Gravel bag check dams shall be constructed such that the crest of the downstream <br />check dam is approximately level with the toe of the upstream check dam. <br /> <br />The check dams shall be installed so the side end points are higher than the <br />centerline crest. Erosion caused by high flows around the edges shall be corrected <br />immediately. <br /> <br />Collected sediment shall be removed when it reaches one-half the height of the check <br />dam, <br /> <br />Woodw.rcI-C'J'CIe Consutt8nts <br /> <br />S:\OES\SPECSHT <br />