Difference between revisions of "Construction site BMPs and their function and control mechanisms"
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| − | <td></td> | + | <td>Lot benching</td> |
| − | <td></td> | + | <td>Lengthen flow path and reduce velocity of runoff (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Borrow and stockpile area protection</td> |
| − | <td></td> | + | <td rowspan=3>Prevent soil detachment and transport (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Construction road stabilization</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Trackout prevention</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Temporary stream crossings</td> |
| − | <td></td> | + | <td>Protect stabilized channel from erosion (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Permanent stream crossings</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td rowspan=10></td> | + | <td rowspan=10>Drainage management</td> |
| − | <td></td> | + | <td>Temporary run-on diversions</td> |
| − | <td></td> | + | <td rowspan=3></td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Temporary right-of-way diversions</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Right-of-way diversions (water bars)</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Temporary stream diversions</td> |
| − | <td></td> | + | <td rowspan=2>Redirect flow away from work areas (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Cofferdams and barriers</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Ditch and channel protection</td> |
| − | <td></td> | + | <td>Protect channel from erosive flows (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Check dams</td> |
| − | <td></td> | + | <td>Prevent downcutting, settle sediment (EP, SC)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Temporary slope drains</td> |
| − | <td></td> | + | <td>Protect slope from erosive flows (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Temporary outlet controls</td> |
| − | <td></td> | + | <td>Protect outlet area from scour erosion (EP)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Sediment ponds</td> |
| − | <td></td> | + | <td rowspan=2>Slow flows and settle out sediment (SC)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Sediment traps</td> |
| − | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td></td> | + | <td>Dewatering discharge management</td> |
| − | <td></td> | + | <td>Filter and settle out sediment particles (SC)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
Revision as of 18:08, 1 November 2016
Construction site BMPs and their function and control mechanisms
Link to this table
| BMP function | BMP types | Erosion prevention (EP) or sediment control (SC) mechanism |
|---|---|---|
| Planning | Planning, sequencing, and scheduling | Minimize bare area and exposure period (EP) |
| Preservation and protection designation | ||
| Land clearing planning and staging | ||
| Land grading planning and staging | ||
| Lot benching | Lengthen flow path and reduce velocity of runoff (EP) | |
| Borrow and stockpile area protection | Prevent soil detachment and transport (EP) | |
| Construction road stabilization | ||
| Trackout prevention | ||
| Temporary stream crossings | Protect stabilized channel from erosion (EP) | |
| Permanent stream crossings | ||
| Drainage management | Temporary run-on diversions | |
| Temporary right-of-way diversions | ||
| Right-of-way diversions (water bars) | ||
| Temporary stream diversions | Redirect flow away from work areas (EP) | |
| Cofferdams and barriers | ||
| Ditch and channel protection | Protect channel from erosive flows (EP) | |
| Check dams | Prevent downcutting, settle sediment (EP, SC) | |
| Temporary slope drains | Protect slope from erosive flows (EP) | |
| Temporary outlet controls | Protect outlet area from scour erosion (EP) | |
| Sediment ponds | Slow flows and settle out sediment (SC) | |
| Sediment traps | ||
| Dewatering discharge management | Filter and settle out sediment particles (SC) | |