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<br />PGSF WMVD Storm and Combined Sewer - Construction Package 2 Erosion and Sedimentation Control <br />Project No. 180162 31 25 00 - 15 <br /> <br />c. Separation geotextile shall be placed under the quarry spall to prevent fine <br />sediment from pumping into the rock pad. <br />d. Install driveway culvert if there is a roadside ditch present. <br />F. Wheel Wash <br />1. Per BMP C106, Wheel Wash, SMMWW <br />2. Provide a wheel wash station at the construction site exit to serve traffic exiting the <br />site and prevent tracking of dirt or other construction debris onto the access road. <br />3. Use of the wheel wash is not necessary for vehicles that only enter onto the stabilized <br />areas that will not cause tracking of dirt. <br />4. Operate, maintain, and adjust the wheel wash station to provide high pressure spray <br />to the tires, underside, sides, front, and back of all vehicles using high pressure <br />sprays. The wash-off water shall be collected in a closed-loop, recycled water system; <br />with solids collected, monitored, and removed regularly; and wash water disposed <br />occasionally in compliance with the construction permits. If the Owner’s <br />Representative deems the vehicle wash spraying to be inadequate for permit <br />compliance assurance, Contractor shall modify or adjust the system or perform <br />manual spraying that does so. <br />G. High Visibility Fence <br />1. Install high-visibility fence in areas to: <br />a. Restrict clearing to approved limits <br />b. Prevent disturbance of sensitive areas, their buffers, and other areas required to <br />be left undisturbed. <br />c. Limit construction traffic to designated construction entrances, exits, or internal <br />roads. <br />d. Protect areas where marking with survey tape may not provide adequate <br />protection. <br />2. Installation: <br />a. Posts for fencing shall be placed every 6 feet on center (maximum) or as needed <br />to ensure rigidity. Fencing shall be fastened to the post every 6 inches with a <br />polyethylene tie. On long continuous lengths of fencing a tension wire or rope <br />shall be used as a top stringer to prevent sagging between posts, <br />H. Temporary Silt Fence <br />1. Comply with the installation detail shown in COE Standard Detail 214. Secure wire <br />fabric and geotextile fabric to the upslope side of posts. Posts shall not exceed the <br />spacing shown in COE Standard Detail 214. <br />2. Install silt fences around the perimeter of all stockpiles. <br />a. Install filter fabric over wire backing. <br />b. Secure filter fabric to wire fabric: <br />1) Secure at top, middle, and bottom of each post. <br />2) Wire fabric to extend to the top edge of the above ground filter fabric. <br />c. Use steel fence posts. <br />1) Set posts at six foot on-center maximum. <br />d. Bury wire fabric in trench upslope and adjacent to the steel posts for the full <br />length.