Laserfiche WebLink
• Once the drainageway has reached its final shape and grade through Trapper's reconstruction efforts, <br />application of erosion control practices and materials will be applied where appropriate. Application of <br />treatments will occur not later than the year following completion of all mining and regrading within a <br />drainage basin. However, applications will most likely occur sooner. <br />It would be impractical to attempt to list every type of product or technique which may be used to stabi- <br />lize drainageways, particularly since improved products and techniques are constantly being developed. <br />However, the following are possibilities: roving materials, straw bales, brush, erosion control mats, and <br />blankets and soil confinement systems. If Trapper plans to use any of the following, the Division's <br />approval will be obtained prior to use or installation. <br />Drop structures <br />Rip rap lining <br />Channel liners which are impervious <br />However, Trapper does not expect to use the same treatments throughout the length or reach of a <br />drainageway. Since the overall goal is to establish a defined but stable drainageway, treatment <br />applications will be site-specific. For example, in the lower reaches of the main channel where flows are <br />the greatest, h may be necessary to use extensive and numerous combinations of materials and <br />methods to obtain temporary stability while perennial vegetation becomes established. However, in the <br />is highest reaches of the drainages where flows are low, little or no treatment may be necessary to achieve <br />vegetation establishment. <br />PR-3 <br />• 4-183a RF-VISION P R43\L.PD <br />DATE <br />I?