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r <br />Chaoter 4 - Best Management Practices for Erosion and Sediment Control <br />r <br />(ES BMP 1101) <br />r <br />.Definition <br />A stone stabilized pad located at points of vehicular ingress and egress on a construction <br />site. <br />Purpose <br />To stabilize entrances to the construction site and reduce the amount of sediment <br />transported onto public roads by motor vehicles or runoff. <br />r <br />Conditions Where Practice AaRlies <br />Wherever traffic will be leaving a construction site and moving directly onto a public road or <br />other paved area. <br />r <br />Planning Considerations <br />Construction entrances provide an area where mud can be removed from construction <br />vehicle tires before they enter a public road. If the action of the vehicle traveling over the <br />gravel pad is not sufficient to remove most of the.mud; then the tires must be` washed <br />` before the -vehicle enters a public road. If washing is used; provisions must be"made to <br />intercept the wash water and trap the sediment before it is carried off-site. Constriction <br />entrances should be used in conjunction with the stabilization of construction roads to <br />` reduce the amount of mud picked up by construction vehicles. <br />w <br />i]esia_ n��a <br />Agore_ gate Size - <br />FDO . T <br />izeFDOT No. t Coarse Aggregate. (1.5 - 3.5 inch stone)(4 - 9 cm) should be used. Wood <br />chips may be used for single family residential construction, provided that they can be <br />prevented from floating away in a storm. <br />Entrance IJimepsions <br />r` The aggregate layer must be at least 6 inches (15 cm) thick, It must extend the full width of <br />the vehicular ingress and egress area, The length of the entrance must be at least 50 feet <br />(20 m). The entrance must widen at its connection to the roadway In order to <br />` accommodate the turning radius of large trucks. (See Plate 4.03a) <br />r <br />no <br />4-7 <br />ON <br />