Difference between revisions of "Infiltration practices cost components"
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| − | + | <font size=3>'''Summary of infiltration practices cost components'''.</font size><br> | |
| − | + | Link to this [[Infiltration practices cost components|table]] | |
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| − | Link to this [[Infiltration practices cost components|table]] | ||
<table class="sortable"><tr> | <table class="sortable"><tr> | ||
<tr> | <tr> | ||
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<td rowspan=4>Site Preparation</td> | <td rowspan=4>Site Preparation</td> | ||
<td>Tree & plant protection</td> | <td>Tree & plant protection</td> | ||
| − | <td>Protection Cost ($/acre) | + | <td>Protection Cost ($/acre) * Affected Area (acre)</td> |
<td rowspan=4>Removal of existing structures, topsoil removal and stockpiling</td> | <td rowspan=4>Removal of existing structures, topsoil removal and stockpiling</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Infiltration area protection</td> | <td>Infiltration area protection</td> | ||
| − | <td>Silt fence cost ($/’foot) | + | <td>Silt fence cost ($/’foot) * Perimeter of infiltration area</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Clearing & grubbing</td> | <td>Clearing & grubbing</td> | ||
| − | <td>Clearing Cost ($/acre) | + | <td>Clearing Cost ($/acre) * Affected Area (acre)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Topsoil salvage</td> | <td>Topsoil salvage</td> | ||
| − | <td>Salvage Cost ($/acre) | + | <td>Salvage Cost ($/acre) * Affected Area</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan=2>Site Formation</td> | <td rowspan=2>Site Formation</td> | ||
<td>Excavation / grading</td> | <td>Excavation / grading</td> | ||
| − | <td>X-ft Depth Excavation Cost ($/acre) | + | <td>X-ft Depth Excavation Cost ($/acre) * Area (acre)</td> |
<td rowspan=2>Soil & rock fill material, tunneling</td></tr> | <td rowspan=2>Soil & rock fill material, tunneling</td></tr> | ||
<tr> | <tr> | ||
<td>Hauling material offsite</td> | <td>Hauling material offsite</td> | ||
| − | <td>Excavation Cost | + | <td>Excavation Cost * (% of Material to be hauled away)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| Line 45: | Line 43: | ||
<tr> | <tr> | ||
<td>Media (for infiltration trenches)</td> | <td>Media (for infiltration trenches)</td> | ||
| − | <td>Media cost ($/cubic yard) | + | <td>Media cost ($/cubic yard) * filter volume (cubic yard)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Geotextile</td> | <td>Geotextile</td> | ||
| − | <td>Geotextile cost ($/cy) | + | <td>Geotextile cost ($/cy) * area of trench, including walls</td> |
</tr> | </tr> | ||
| Line 67: | Line 65: | ||
<td rowspan=4>Site Restoration</td> | <td rowspan=4>Site Restoration</td> | ||
<td>Soil preparation</td> | <td>Soil preparation</td> | ||
| − | <td>Topsoil or amendment cost ($/acre) | + | <td>Topsoil or amendment cost ($/acre) * Area (acre)</td> |
<td rowspan=4>Tree protection, soil amendments, seed bed preparation, trails</td> | <td rowspan=4>Tree protection, soil amendments, seed bed preparation, trails</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Seeding</td> | <td>Seeding</td> | ||
| − | <td>Seeding Cost ($/acre) | + | <td>Seeding Cost ($/acre) * Seeded Area (acre)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Filter strip</td> | <td>Filter strip</td> | ||
| − | <td>Sod cost ($/square foot) | + | <td>Sod cost ($/square foot) * filter strip area</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Planting / transplanting</td> | <td>Planting / transplanting</td> | ||
| − | <td>Planting Cost ($/acre) | + | <td>Planting Cost ($/acre) * Planted Area (acre)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan=4>Annual Operation, Maintenance, and Inspection</td> | <td rowspan=4>Annual Operation, Maintenance, and Inspection</td> | ||
<td>Sediment removal</td> | <td>Sediment removal</td> | ||
| − | <td>Removal Cost ($/acre) | + | <td>Removal Cost ($/acre) * Area (acre) * Frequency (1 time per 5 years)</td> |
<td rowspan=4>Vegetation maintenance, cleaning of structures</td> | <td rowspan=4>Vegetation maintenance, cleaning of structures</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Debris removal</td> | <td>Debris removal</td> | ||
| − | <td>Removal Cost ($/acre) | + | <td>Removal Cost ($/acre) * Area (acre) * Frequency (2 time per year)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Inspection</td> | <td>Inspection</td> | ||
| − | <td>Inspection Cost ($) | + | <td>Inspection Cost ($) * Inspection Frequency (6 times per year)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Mowing (for some vegetative filters)</td> | <td>Mowing (for some vegetative filters)</td> | ||
| − | <td>Mowing Cost ($) | + | <td>Mowing Cost ($) * Mowing Frequency (6 times per year)</td> |
</tr> | </tr> | ||
</table> | </table> | ||
[[category:table]] | [[category:table]] | ||
Revision as of 00:12, 24 March 2013
Summary of infiltration practices cost components.
Link to this table
| Implementation Stage | Primary Cost Components | Basic Cost Estimate | Other Considerations |
|---|---|---|---|
| Site Preparation | Tree & plant protection | Protection Cost ($/acre) * Affected Area (acre) | Removal of existing structures, topsoil removal and stockpiling |
| Infiltration area protection | Silt fence cost ($/’foot) * Perimeter of infiltration area | ||
| Clearing & grubbing | Clearing Cost ($/acre) * Affected Area (acre) | ||
| Topsoil salvage | Salvage Cost ($/acre) * Affected Area | ||
| Site Formation | Excavation / grading | X-ft Depth Excavation Cost ($/acre) * Area (acre) | Soil & rock fill material, tunneling |
| Hauling material offsite | Excavation Cost * (% of Material to be hauled away) | ||
| Structural Components | Vault structure (for underground infiltration) | ($/structure) | Pipes, catchbasins, manholes, valves, vaults |
| Media (for infiltration trenches) | Media cost ($/cubic yard) * filter volume (cubic yard) | ||
| Geotextile | Geotextile cost ($/cy) * area of trench, including walls | ||
| inlet structure | ($/structure) | ||
| Overflow structure | ($/structure) | ||
| Observation well | ($/structure) | ||
| Site Restoration | Soil preparation | Topsoil or amendment cost ($/acre) * Area (acre) | Tree protection, soil amendments, seed bed preparation, trails |
| Seeding | Seeding Cost ($/acre) * Seeded Area (acre) | ||
| Filter strip | Sod cost ($/square foot) * filter strip area | ||
| Planting / transplanting | Planting Cost ($/acre) * Planted Area (acre) | ||
| Annual Operation, Maintenance, and Inspection | Sediment removal | Removal Cost ($/acre) * Area (acre) * Frequency (1 time per 5 years) | Vegetation maintenance, cleaning of structures |
| Debris removal | Removal Cost ($/acre) * Area (acre) * Frequency (2 time per year) | ||
| Inspection | Inspection Cost ($) * Inspection Frequency (6 times per year) | ||
| Mowing (for some vegetative filters) | Mowing Cost ($) * Mowing Frequency (6 times per year) |