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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">NOTICE
</span></b><span style="font-size:14.0pt">to all construction site owners currently authorized under the RIPDES Construction General Permit (CGP).
<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><o:p> </o:p></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">TOPIC: SOIL STABILIZATION</span></b><b><span style="font-size:14.0pt"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:justify">In order to effectively control erosion on your site you will need to protect and stabilize bare and disturbed soils and slopes using seasonally appropriate techniques. For further information on how to control
erosion at your site please refer to Section Four of the RI Soil Erosion and Sediment Control Handbook (“the Handbook”) entitled “Erosion Control Measures”. This section of the Handbook contains numerous techniques for your consideration. A link to the Handbook
is provided here: <a href="http://www.dem.ri.gov/soilerosion2014final.pdf">http://www.dem.ri.gov/soilerosion2014final.pdf</a><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:14.0pt">Keys to Success (</span></b>Minimum Standard 10 of the RI Stormwater Design and Installation Standards Manual (RISDISM) and Part II.B of the 2013 RIPDES Construction General Permit:<span style="font-size:14.0pt">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"> <span style="color:#4F81BD"><o:p></o:p></span></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoNormal" style="text-align:justify;mso-list:l0 level1 lfo1">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></li></ol>
<p class="MsoNormal" style="margin-left:.5in;text-align:justify"><o:p></o:p></p>
<ol style="margin-top:0in" start="2" type="1">
<li class="MsoNormal" style="text-align:justify;mso-list:l0 level1 lfo1">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></li></ol>
<p class="MsoNormal" style="margin-left:.5in;text-align:justify"><span style="color:#4F81BD"><o:p> </o:p></span></p>
<ol style="margin-top:0in" start="3" type="1">
<li class="MsoNormal" style="text-align:justify;mso-list:l0 level1 lfo1">All disturbed soils exposed prior to October 15<sup>th</sup> shall be seeded by that date.
<o:p></o:p></li></ol>
<p class="MsoListParagraph"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<ol style="margin-top:0in" start="4" type="1">
<li class="MsoNormal" style="text-align:justify;mso-list:l0 level1 lfo1">Any such areas which do not have adequate vegetative stabilization by November 15<sup>th</sup> must be stabilized through the use of non-vegetative erosion control measures.<o:p></o:p></li></ol>
<p class="MsoListParagraph"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<li class="MsoNormal" style="text-align:justify;mso-list:l0 level1 lfo1">If work continues within any stabilized areas during the period from October 15<sup>th</sup> through April 15<sup>th</sup> 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></li></ol>
<p class="MsoListParagraph"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify">Please be aware that DEM is performing routine inspections this fall. We appreciate your cooperation in maintaining compliance with the requirements of Minimum Standard 10 of the RI Stormwater Design and Installation
Standards Manual (RISDISM) and the RIPDES CGP. If you have any questions regarding the requirements of the RIPDES CGP, please contact Brian Lafaille, PE of the RIPDES Permitting staff at 222-4700, Extension 7731.
<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:justify">Sincerely,<o:p></o:p></p>
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<p class="MsoNormal" style="text-align:justify"><span style="color:#4F81BD"><o:p> </o:p></span></p>
<br style="mso-ignore:vglayout" clear="ALL">
<p class="MsoNormal" style="text-align:justify">Eric A. Beck, PE<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify">Supervising Sanitary Engineer<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify">Office of Water Resources – Permitting Section<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#403152"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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