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Chapter 4 - Best Management Practices for Erosion and Sediment Control <br /> Channel Flow Applications <br /> 1 . Bales shall be placed in a single row , lengthwise , oriented perpendicular to the <br /> contour, with ends of adjacent bales tightly abutting each other. <br /> 2. The remaining steps for installing a straw bale barrier for sheet flow applications <br /> apply here , with the following addition. <br /> 3 . The barrier shall be extended to such a length that the bottoms of the end bales are <br /> OW higher in elevation than the top of the lowest middle bale to assure that sediment- <br /> laden runoff will flow either through or over the barrier, but not around it. (See Plate <br /> 4 .05f) <br /> r <br /> Maintenance <br /> +r 1 . Straw bale barriers shall be inspected immediately after each rainfall and - at least <br /> dally during prolonged rainfall . <br /> r 2. Close attention shall be paid to the repair of damaged bales , end runs and <br /> undercutting, beneath bales . <br /> 3 , Necessary . repairs- to, . barriers or replacement of bales shall be accomplished <br /> promptly. <br /> 4. Sediment deposits should be removed after each rainfall. They must be removed <br /> when the level of deposition reaches approximately one-half the height of the <br /> barrier. <br /> • <br /> 5 . Any sediment deposits remaining in place after the straw bale barrier is no longer <br /> required shall be dressed to conform to the existing grade , prepared , and seeded . <br /> -n I <br /> 1 <br /> 'tea <br /> If <br /> In s II ' ill 111�III�iq�lll 1 <br /> 1 1 <br /> IU �� <br /> - [y� ISS3 �yppJly�Na <br /> i <br /> Plate 4.05e Proper Placement of Straw Bales at the Toe of a Slope <br /> Source: HydroDynamics, inc. <br /> w <br /> 4-19 <br />