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<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:14.0pt;color:#E36C0A">What Is Soil Stabilization?<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:11.5pt">Soil stabilization</span></b><span style="font-size:11.5pt"> is a general term for any biological, physical, chemical, or combined engineering method that provides protection
of the soil against the impacts of wind, rain, and stormwater runoff. Stabilization measures prevent erosion and runoff from occurring on soil stockpiles, bare or disturbed areas, and slopes.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><span style="font-size:11.5pt;color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt;color:blue">TO EFFECTIVELY CONTROL EROSION
<br>
YOU NEED TO PROTECT AND STABILIZE <br>
BARE AND DISTURBED SOILS AND SLOPES USING SEASONALLY APPROPRIATE TECHNIQUES.<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:11.5pt"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:14.0pt;color:#E36C0A">Soil Erosion & Sediment Control Handbook<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify"><span style="font-size:11.5pt">More information on soil stabilization measures and how to control erosion at your site may be found in Section Four of the latest Soil Erosion and Sediment Control Handbook.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><a href="http://www.dem.ri.gov/soilerosion2014final.pdf"><span style="font-size:13.0pt">http://www.dem.ri.gov/soilerosion2014final.pdf</span></a><span style="font-size:13.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:14.0pt;color:#E36C0A">Techniques<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify"><span style="font-size:11.5pt">An area is considered fully stabilized when the area has an established stand of vegetation or suitable non-vegetative cover and is free from future uncontrolled discharges.
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:11.5pt">TEMPORARY VEGETATIVE COVER</span></b><span style="font-size:11.5pt"> is the establishment of vegetative cover on soils exposed for a period greater than one month but less than
12 months; considered established when there is approximately 80% vegetative surface cover.
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:11.5pt">PERMANENT VEGETATIVE COVER</span></b><span style="font-size:11.5pt"> is the establishment of permanent vegetative cover by seeding and mulching exposed soils with an appropriate
seed mixture to facilitate long term stabilization following site preparation and top soiling; considered established when ground cover is ~95%, prevents soil erosion and withstands severe weather conditions.
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:11.5pt">STRUCTURAL SOIL STABILIZATION</span></b><span style="font-size:11.5pt"> practices include mulches, stone aggregate, turf reinforcement matting, erosion control blankets, riprap,
cellular confinement systems, gabion mattresses, or articulating concrete block revetment systems. All need to be installed in accordance with manufacturers’ recommendations and good engineering practices.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-top:12.0pt;text-align:justify"><b><span style="font-size:14.0pt;color:#E36C0A">Keys to Success<o:p></o:p></span></b></p>
<p class="MsoNormal" style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:14.0pt"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:14.0pt">Stabilization of disturbed areas must, at a minimum, be initiated immediately whenever any clearing, grading, excavating or other earth disturbance activities have permanently ceased on any portion
of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding fourteen (14) calendar days.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:14.0pt"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:14.0pt">Stabilization must be completed using vegetative stabilization measures or using alternative measures whenever vegetative measures are deemed impracticable or during periods of drought.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:14.0pt"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:14.0pt">All disturbed soils exposed prior to October 15th shall be seeded by that date.
<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:14.0pt"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:14.0pt">Any such areas which do not have adequate vegetative stabilization by November 15th must be stabilized through the use of non-vegetative erosion control measures.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:14.0pt"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:14.0pt">If work continues within any stabilized areas during the period from October 15th through April 15th care must be taken to ensure that only the area required for that day’s work is exposed, and all
erodible soil must be restabilized within five (5) working days.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-top:12.0pt"><span style="font-size:11.5pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt">Questions? <o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt">Call the RIDEM Office of Customer and Technical Assistance
<br>
401-222-6822</span></b><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic",sans-serif;color:#403152"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="mso-line-height-alt:4.5pt"><span style="color:#1F497D"><img border="0" width="82" height="125" id="Picture_x0020_1" src="cid:image001.jpg@01D12053.3544A2C0" alt="cid:image001.jpg@01D08F10.DF6B8A40"></span><span style="font-size:12.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:#2E74B5">Traci Pena, Office Manager<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#2E74B5">Board of Certification of Operators of WWTF and<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#2E74B5">The Office of Water Resources<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#2E74B5">235 Promenade Street<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#2E74B5">Providence, RI 02908<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#2E74B5">401-222-4700, x 2410<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><i><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:red"><o:p> </o:p></span></i></b></p>
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