Difference between revisions of "Infiltration practices cost components"
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<font size=3>'''Summary of infiltration practices cost components'''.</font size><br> | <font size=3>'''Summary of infiltration practices cost components'''.</font size><br> | ||
Link to this [[Infiltration practices cost components|table]] | Link to this [[Infiltration practices cost components|table]] | ||
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<td>Mowing Cost ($) * Mowing Frequency (6 times per year)</td> | <td>Mowing Cost ($) * Mowing Frequency (6 times per year)</td> | ||
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Revision as of 15:05, 15 July 2015
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) |