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Case studies for pretreatment - Revision history
2024-03-29T05:12:04Z
Revision history for this page on the wiki
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Mtrojan: /* References */
2022-12-28T20:14:17Z
<p><span dir="auto"><span class="autocomment">References</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:14, 28 December 2022</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====References====</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====References====</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Blackstone Contractors, LLC. (2018, March). [<del class="diffchange diffchange-inline">http</del>://blackstonecontractorsllc.com/<del class="diffchange diffchange-inline">wp-content/uploads/sites/6987/2018/03</del>/<del class="diffchange diffchange-inline">summary-</del>beacon-bluff<del class="diffchange diffchange-inline">.pdf </del>Beacon Bluff Stormwater Demonstration Area]. Retrieved March 7, 2019 from Blackstone Contractors</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Blackstone Contractors, LLC. (2018, March). [<ins class="diffchange diffchange-inline">https</ins>://blackstonecontractorsllc.com/<ins class="diffchange diffchange-inline">projects</ins>/beacon-bluff<ins class="diffchange diffchange-inline">-stormwater-demonstration/ </ins>Beacon Bluff Stormwater Demonstration Area]. Retrieved March 7, 2019 from Blackstone Contractors</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Loucks Associates. (2013). <del class="diffchange diffchange-inline">[http://plannersconference.com/pdf/sessions2013/t900_Next%20Generation%20Stormwater%20Management.pdf </del>Next Generation Stormwater Management<del class="diffchange diffchange-inline">]</del>. Retrieved March 7, 2019, from American Planning Association Minnesota Chapter</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Loucks Associates. (2013). Next Generation Stormwater Management. Retrieved March 7, 2019, from American Planning Association Minnesota Chapter</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Saint Paul Port Authority. <del class="diffchange diffchange-inline">“Managing </del>Stormwater for the Next Generation<del class="diffchange diffchange-inline">.” </del>Saint Paul Historical. Retrieved March 7, 2019 <del class="diffchange diffchange-inline">from https://saintpaulhistorical</del>.<del class="diffchange diffchange-inline">com/items/show/348</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Saint Paul Port Authority. <ins class="diffchange diffchange-inline">[https://saintpaulhistorical.com/items/show/348 Managing </ins>Stormwater for the Next Generation<ins class="diffchange diffchange-inline">] </ins>Saint Paul Historical. Retrieved March 7, 2019.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Storm Water Solutions. (2015, August 27). [https://www.estormwater.com/<del class="diffchange diffchange-inline">sites</del>/<del class="diffchange diffchange-inline">sws</del>/<del class="diffchange diffchange-inline">files</del>/<del class="diffchange diffchange-inline">20_CaseBook%2024.pdf </del>St. Paul Stops Storm Water Sediment & Trash]. Retrieved March 11, 2019 from Storm Water Solutions</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Storm Water Solutions. (2015, August 27). [https://www.estormwater.com/<ins class="diffchange diffchange-inline">equipment</ins>/<ins class="diffchange diffchange-inline">article</ins>/<ins class="diffchange diffchange-inline">10982689</ins>/<ins class="diffchange diffchange-inline">st-paul-stops-storm-water-sediment-trash </ins>St. Paul Stops Storm Water Sediment & Trash]. Retrieved March 11, 2019 from Storm Water Solutions</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*WSB & Associates, Inc. (2011). Beacon Bluff SAFL Baffle Installation.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*WSB & Associates, Inc. (2011). Beacon Bluff SAFL Baffle Installation.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*WSB & Associates, Inc. (2015, April). 2014 [https://www.stpaul.gov/sites/default/files/Media%20Root/Public%20Works/1610-10%20Monitoring%20Report%20ENTIRE%20052215.pdf Stormwater Quality and Quantity Monitoring Program for the City of Saint Paul, Minnesota]. Retrieved March 7, 2019, from City of St. Paul</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*WSB & Associates, Inc. (2015, April). 2014 [https://www.stpaul.gov/sites/default/files/Media%20Root/Public%20Works/1610-10%20Monitoring%20Report%20ENTIRE%20052215.pdf Stormwater Quality and Quantity Monitoring Program for the City of Saint Paul, Minnesota]. Retrieved March 7, 2019, from City of St. Paul</div></td></tr>
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=65156&oldid=prev
Mtrojan: /* Design summary */
2022-12-28T20:08:35Z
<p><span dir="auto"><span class="autocomment">Design summary</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:08, 28 December 2022</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Minnetonka figure 3.jpg|300px|thumb|alt=rain guardian image|<font size=3>Rain Guardian Turret at the Inlet of the Shallow Stormwater Wetland Biofiltration Area [Google, 2019]</font size>]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Minnetonka figure 3.jpg|300px|thumb|alt=rain guardian image|<font size=3>Rain Guardian Turret at the Inlet of the Shallow Stormwater Wetland Biofiltration Area [Google, 2019]</font size>]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>As a part of the [https://<del class="diffchange diffchange-inline">eminnetonka</del>.<del class="diffchange diffchange-inline">com</del>/capital-improvement-program City of Minnetonka’s 2016–2020 Capital Improvement Program], the 2016 Street Rehabilitation Project updated roadways, watermains, sanitary sewer pipes in the neighborhood around Libb’s Lake, near Grays Bay of Lake Minnetonka. The program also provided improved stormwater drainage and water quality treatment. Before this project, most of the stormwater runoff flowed overland directly to Libb’s Lake without treatment. </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As a part of the [https://<ins class="diffchange diffchange-inline">www</ins>.<ins class="diffchange diffchange-inline">minnetonkamn.gov/government/budget</ins>/capital-improvement-program City of Minnetonka’s 2016–2020 Capital Improvement Program], the 2016 Street Rehabilitation Project updated roadways, watermains, sanitary sewer pipes in the neighborhood around Libb’s Lake, near Grays Bay of Lake Minnetonka. The program also provided improved stormwater drainage and water quality treatment. Before this project, most of the stormwater runoff flowed overland directly to Libb’s Lake without treatment. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the project design, challenges included developing viable stormwater treatment options while accounting for site conditions (e.g., a [https://stormwater.pca.state.mn.us/index.php?title=Shallow_groundwater high groundwater table], rolling terrain, right-of-way limitations, and existing buildings with a history of flooding). To address these challenges, a pretreatment manhole sump was installed in-line along with a Rain Guardian Turret structure to capture stormwater runoff and provide pretreatment before entering a stormwater <span title="a bioretention practice having an underdrain. All water entering the practice is filtered through engineered media and filtered water is returned to the storm sewer system."> [https://stormwater.pca.state.mn.us/index.php?title=Bioretention '''biofiltration''']</span> area that discharges to Libb’s Lake. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the project design, challenges included developing viable stormwater treatment options while accounting for site conditions (e.g., a [https://stormwater.pca.state.mn.us/index.php?title=Shallow_groundwater high groundwater table], rolling terrain, right-of-way limitations, and existing buildings with a history of flooding). To address these challenges, a pretreatment manhole sump was installed in-line along with a Rain Guardian Turret structure to capture stormwater runoff and provide pretreatment before entering a stormwater <span title="a bioretention practice having an underdrain. All water entering the practice is filtered through engineered media and filtered water is returned to the storm sewer system."> [https://stormwater.pca.state.mn.us/index.php?title=Bioretention '''biofiltration''']</span> area that discharges to Libb’s Lake. </div></td></tr>
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=63874&oldid=prev
Mtrojan at 20:09, 12 December 2022
2022-12-12T20:09:23Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:09, 12 December 2022</td>
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=63494&oldid=prev
Mtrojan: /* Related pages */
2022-12-05T23:45:06Z
<p><span dir="auto"><span class="autocomment">Related pages</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 23:45, 5 December 2022</td>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Pretreatment]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Level 3 - Best management practices/Case studies and examples/Case studies]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Level 3 - Best management practices/Case studies and examples/Case studies]]</div></td></tr>
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Mtrojan
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Mtrojan: /* Related pages */
2022-11-22T21:12:00Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 21:12, 22 November 2022</td>
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=58985&oldid=prev
Mtrojan at 20:32, 18 July 2022
2022-07-18T20:32:53Z
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=52563&oldid=prev
Mtrojan at 17:35, 28 May 2021
2021-05-28T17:35:01Z
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Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=45456&oldid=prev
Mtrojan: /* Capitol Region Watershed District – Upper Villa Park Stormwater Improvements, Preserver pretreatment */
2019-10-03T14:41:06Z
<p><span dir="auto"><span class="autocomment">Capitol Region Watershed District – Upper Villa Park Stormwater Improvements, Preserver pretreatment</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 14:41, 3 October 2019</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Ramsey Conservation District. (2017). [http://www.momentumenv.com/wp-content/uploads/2018/02/Case-Study-Villa-Park-2017.pdf Preserver Case Study: Villa Park Stormwater Improvements]. Prepared by Momentum Environmental.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Ramsey Conservation District. (2017). [http://www.momentumenv.com/wp-content/uploads/2018/02/Case-Study-Villa-Park-2017.pdf Preserver Case Study: Villa Park Stormwater Improvements]. Prepared by Momentum Environmental.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*SRF Consulting Group, Inc. (2015). Upper Villa Park Infiltration and Reuse Subsurface Construction Plans. Sheet 6 of 29. Prepared for Capitol Region Watershed District.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*SRF Consulting Group, Inc. (2015). Upper Villa Park Infiltration and Reuse Subsurface Construction Plans. Sheet 6 of 29. Prepared for Capitol Region Watershed District.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><noinclude></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Related pages==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://igeowater.com/mpca/#/intro Pretreatment selection tool]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Overview and methods of pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Overviews for different types of pretreatment practices</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Overview for pretreatment settling devices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Overview for pretreatment screens]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Overview for pretreatment vegetated filter strips]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Information for specific types of pretreatment practices</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Design, construction, operation and maintenance specifications for pretreatment vegetated filter strips]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** [[Pretreatment - Hydrodynamic separation devices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Pretreatment - Screening and straining devices, including forebays]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Pretreatment - Above ground and below grade storage and settling devices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Pretreatment - Filtration devices and practices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">**[[Pretreatment - Other pretreatment water quality devices and practices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">:To see the above pages as a single page, [[Pretreatment practices combined single page|link here]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Pretreatment sizing for basins and filters strips]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Guidance for managing sediment and wastes collected by pretreatment practices]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Tables'''</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Pretreatment tables]] - link to tabled information for pretreatment practices</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://stormwater.pca.state.mn.us/index.php?title=Hydrodynamic_separator_tables_combined Hydrodynamic separator tables]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://stormwater.pca.state.mn.us/index.php?title=Screening_and_straining_devices_tables_combined Screening and straining devices tables]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://stormwater.pca.state.mn.us/index.php?title=Above_ground_and_below_grade_storage_and_settling_tables_combined Above ground and below grade storage and settling tables]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://stormwater.pca.state.mn.us/index.php?title=Filtration_tables_combined Filtration tables]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[https://stormwater.pca.state.mn.us/index.php?title=Other_water_quality_devices_tables_combined Other water quality devices tables]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Other information and links'''</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Pretreatment - Additional considerations]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Case studies for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[References for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Links for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Definitions for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Supporting material for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Photo gallery for pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Pretreatment]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></noinclude></ins></div></td></tr>
</table>
Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=43520&oldid=prev
Mtrojan at 19:54, 12 July 2019
2019-07-12T19:54:47Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 19:54, 12 July 2019</td>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{alert|''Reference to any specific commercial product, process, or service by trade name, trademark, service mark, manufacturer, or otherwise does not constitute or imply endorsement, recommendation, or favoring by the Minnesota Pollution Control Agency. ''|alert-info}}</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:General information page image.png|right|100px|alt=image]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:General information page image.png|right|100px|alt=image]]</div></td></tr>
</table>
Mtrojan
https://stormwater.pca.state.mn.us/index.php?title=Case_studies_for_pretreatment&diff=43519&oldid=prev
Mtrojan at 19:52, 12 July 2019
2019-07-12T19:52:38Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 19:52, 12 July 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l307" >Line 307:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A 2017 monitoring study measured the effectiveness of the Preserver pretreatment device. The results indicated the practice functioned as intended and removed gross solids, [https://stormwater.pca.state.mn.us/index.php?title=Phosphorus phosphorus], and heavy metals. The <span title="an index (means of expression) indicating what sizes (particle size) of particles are present in what proportions (relative particle amount as a percentage where the total amount of particles is 100 %) in the sample particle group to be measured"> '''particle size distribution'''</span> of the removed material showed that most of the material (93.9 percent) was sand (between 75 and 2,000 microns), 2.7 percent of the material was silt (smaller than 75 microns), and 3.4 percent was <span title"large particles, including sediment, debris, and litter"> '''gross solids'''</span> (larger than 2,000 microns), as defined by the MPCA pollutant spectrum and treatment ranges. The removed material had a <span title="the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas"> '''specific gravity'''</span> of 1.91, indicating a high organic content caused by mature trees in the drainage area and an upstream stormwater wetland. The sump was full approximately halfway through the monitoring period, reducing the overall effectiveness of sediment removal. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A 2017 monitoring study measured the effectiveness of the Preserver pretreatment device. The results indicated the practice functioned as intended and removed gross solids, [https://stormwater.pca.state.mn.us/index.php?title=Phosphorus phosphorus], and heavy metals. The <span title="an index (means of expression) indicating what sizes (particle size) of particles are present in what proportions (relative particle amount as a percentage where the total amount of particles is 100 %) in the sample particle group to be measured"> '''particle size distribution'''</span> of the removed material showed that most of the material (93.9 percent) was sand (between 75 and 2,000 microns), 2.7 percent of the material was silt (smaller than 75 microns), and 3.4 percent was <span title"large particles, including sediment, debris, and litter"> '''gross solids'''</span> (larger than 2,000 microns), as defined by the MPCA pollutant spectrum and treatment ranges. The removed material had a <span title="the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas"> '''specific gravity'''</span> of 1.91, indicating a high organic content caused by mature trees in the drainage area and an upstream stormwater wetland. The sump was full approximately halfway through the monitoring period, reducing the overall effectiveness of sediment removal. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Monitoring continued in 2018 in an attempt to establish a specific spring storm event (<span title="the initial surface runoff of a rainstorm. During this phase, water pollution entering storm drains in areas with high proportions of impervious surfaces is typically more concentrated compared to the remainder of the storm"> '''first flush'''</span>) as a proxy for sump maintenance activities; however, the results showed that loading was relatively uniform and did not correlate to a specific storm event size. The study’s final recommendation is to clean the sump after spring street sweeping. </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Monitoring continued in 2018 in an attempt to establish a specific spring storm event (<span title="the initial surface runoff of a rainstorm. During this phase, water pollution entering storm drains in areas with high proportions of impervious surfaces is typically more concentrated compared to the remainder of the storm"> '''first flush'''</span>) as a proxy for sump maintenance activities; however, the results showed that loading was relatively uniform and did not correlate to a specific storm event size. The study’s final recommendation is to clean the sump after spring street sweeping.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">For more information see [http://www.momentumenv.com/wp-content/uploads/2015/07/Preserver-Inspection-Maintenance-Manual.pdf Preserver Inspection & Maintenance Manual]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Lessons learned====</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Lessons learned====</div></td></tr>
</table>
Mtrojan