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− | + | <font size=3>'''Example check dam types spacing slope applications and longevity'''</font size><br> | |
− | + | Link to this [[Example check dam types spacing slope applications and longevity|table]] | |
− | Link to this [[Example check dam types spacing slope applications and longevity|table]] | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
− | <th>Check Dam Type</th> | + | <th rowspan=2>Check Dam Type</th> |
<th colspan=4>Spacing for Various Ditch Slopes (feet)<sup>1</sup></th> | <th colspan=4>Spacing for Various Ditch Slopes (feet)<sup>1</sup></th> | ||
− | <th>Slope Applications</th> | + | <th rowspan=2>Slope Applications</th> |
− | <th>Longevity</th> | + | <th rowspan=2>Longevity</th> |
</tr> | </tr> | ||
− | |||
<tr> | <tr> | ||
<th>Up to 2%</th> | <th>Up to 2%</th> | ||
Line 17: | Line 15: | ||
<th>10-15%</th> | <th>10-15%</th> | ||
</tr> | </tr> | ||
− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Mixed size rock (2 ft height)</td> | <td>Mixed size rock (2 ft height)</td> | ||
Line 29: | Line 24: | ||
<td>> 2 years</td> | <td>> 2 years</td> | ||
</tr> | </tr> | ||
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− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Rock bags (16 inch height)</td> | <td>Rock bags (16 inch height)</td> | ||
Line 42: | Line 33: | ||
<td>Up to 1 year</td> | <td>Up to 1 year</td> | ||
</tr> | </tr> | ||
− | |||
− | |||
− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Rock bags (10 inch height)</td> | <td>Rock bags (10 inch height)</td> | ||
Line 56: | Line 42: | ||
<td>Up to 1 year</td> | <td>Up to 1 year</td> | ||
</tr> | </tr> | ||
− | |||
− | |||
− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Triangular sediment dike (10 inch height)</td> | <td>Triangular sediment dike (10 inch height)</td> | ||
Line 70: | Line 51: | ||
<td>1 to 2 years</td> | <td>1 to 2 years</td> | ||
</tr> | </tr> | ||
− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Fiber log – wood / mulch (10 inch)</td> | <td>Fiber log – wood / mulch (10 inch)</td> | ||
Line 82: | Line 60: | ||
<td>1 to 2 years</td> | <td>1 to 2 years</td> | ||
</tr> | </tr> | ||
− | |||
− | |||
− | |||
<tr> | <tr> | ||
<td>Fiber log – straw (10 inch)</td> | <td>Fiber log – straw (10 inch)</td> | ||
Line 94: | Line 69: | ||
<td>Up to 6 months</td> | <td>Up to 6 months</td> | ||
</tr> | </tr> | ||
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− | |||
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</table> | </table> | ||
+ | <font size=1><sup>1</sup> Note: reduce spacing intervals for highly erodible soils.</font size> | ||
− | + | <noinclude> | |
− | < | + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Sediment control]] |
− | + | [[Category:Level 2 - Case studies and examples/Examples]] | |
− | + | </noinclude> | |
− | [[ |
Example check dam types spacing slope applications and longevity
Link to this table
Check Dam Type | Spacing for Various Ditch Slopes (feet)1 | Slope Applications | Longevity | |||
---|---|---|---|---|---|---|
Up to 2% | 3-5% | 6-9% | 10-15% | |||
Mixed size rock (2 ft height) | 100 | 67-40 | 33-22 | 20-13 | Up to 15% | > 2 years |
Rock bags (16 inch height) | 75 | 50-30 | 25-17 | 15-10 | Up to 15% | Up to 1 year |
Rock bags (10 inch height) | 42 | 28-17 | 14-9 | 8-6 | Up to 15% | Up to 1 year |
Triangular sediment dike (10 inch height) | 42 | 28-17 | 14-9 | 8-6 | Up to 15% | 1 to 2 years |
Fiber log – wood / mulch (10 inch) | 42 | 28-17 | 14-9 | 8-6 | Up to 15% | 1 to 2 years |
Fiber log – straw (10 inch) | 42 | 28-17 | 14-9 | NA | Up to 10% | Up to 6 months |
1 Note: reduce spacing intervals for highly erodible soils.
This page was last edited on 26 July 2022, at 13:19.