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r <br /> SECTION 02270 <br /> EROSION CONTROL <br /> I L PART 1 - GENERAL <br /> 1 .01 WORK INCLUDED <br /> A. The work of this section consists of furnishing all necessary labor, equipment, material and <br /> transportation necessary to provide temporary and permanent erosion and sediment control <br /> as required by appropriate government agency permits, the plans and as noted in this <br /> specification. The Contractor shall execute and provide all necessary BMP ' s, monitoring <br /> and maintenance as outlined in the Stormwater Pollution Prevention Plan (SWPPP) <br /> developed for this project. <br /> E. <br /> PART 2 - PRODUCTS <br /> N/A <br /> PART 3 - EXECUTION <br /> 3 . 01 INSTALLATION <br /> A. Install temporary erosion and sediment control items prior to clearing and commencing <br /> earthwork or as soon as practical as site work progresses . <br /> 3 . 02 BEST MANAGEMENT PRACTICES (BMP ' s) <br /> t <br /> A. Stabilization of Denuded Areas : No disturbed area may be denuded for more than thm <br /> calendar days (or 72 hours for sloped banks of 3 : 1 or greater) , excluding travel ways, <br /> unless otherwise authorized by the Owner's Engineer. During construction, denuded areas <br /> shall be covered by mulches such as straw, hay, filter, seed and mulch, sod or some other <br /> permanent vegetation. Within sixty (60) calendar days after final grade is established on <br /> any portion of a project site, that portion of the site shall be provided with established <br /> permanent soil stabilization measures per the construction drawings, whether by <br /> impervious surface or landscaping. <br /> B . Protection and Stabilization of Stockpiles : Fill material stockpiles shall be protected at all <br /> times by on-site drainage controls which prevent erosion of the stockpiled material . <br /> Control of dust from such stockpiles may be required, depending upon their location and <br /> the expected length of time the stockpiles will be present. In no case shall an unstabilized <br /> stockpile remain after thirty 00) calendar days. <br /> C . Protection of Existing Storm Sewer Systems : During construction, all storm sewer inlets <br /> shall be protected by approved sediment traps such as secured hay bales, sod, stone, etc . , <br /> which shall be maintained and modified as required by construction progress, and which <br /> must be approved by the Owner's Engineer. <br /> D . Sediment Trapping Measures : Sediment basins and traps, perimeter berms, filter fences , <br /> berms, sediment barriers (hay bales) , vegetative buffers and other measures intended to <br /> trap sediment and/or prevent the transportation of sediment onto adjacent properties, or <br /> 02270 - Erosion Control <br /> 02270 - 1 <br />