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Latest revision as of 20:43, 3 August 2022
Infiltration trench and infiltration basin cost estimate worksheet.
Link to this table
| Project Title | ||||
| Owner | ||||
| Location | ||||
| Project Number | ||||
| Date | ||||
| Description | Units | Quantity | Unit Cost | Total Estimated Price |
|---|---|---|---|---|
| Site Preparation | ||||
| Tree removal - up to 12" diameter | each | $350.00 | $0.00 | |
| Clear and grub brush | square yard | $1.50 | $0.00 | |
| Tree protection - temp. fence | lineal foot | $3.00 | $0.00 | |
| Infiltration area protection - silt fence | lineal foot | $2.00 | $0.00 | |
| Topsoil - 6" depth, salvage on site | square yard | $4.50 | $0.00 | |
| Site Formation | ||||
| Excavation - 6' depth | square yard | $8.00 | $0.00 | |
| Grading | square yard | $1.50 | $0.00 | |
| Hauling off-site - 6' depth | square yard | $10.00 | $0.00 | |
| Structural Components | ||||
| Inlet structure | each | $1,500.00 | $0.00 | |
| Multi-stage outlet structure | each | $2,500.00 | $0.00 | |
| Site Restoration | ||||
| Sod filter strip | lineal foot | $1.50 | $0.00 | |
| Soil preparation | square yard | $5.00 | $0.00 | |
| Seeding - above outlet elevation | square yard | $0.50 | $0.00 | |
| Planting - below outlet elevation | square yard | $30.00 | $0.00 | |
| Mulch | square yard | $2.00 | $0.00 | |
| Subtotal | $0.00 | |||
| 10% Contingencies | $0.00 | |||
| Subtotal | $0.00 | |||
| Apply MN Location Factor | $0.00 | |||
| TAL CONSTRUCTION COST | $0.00 | |||
| Annual Operation and Maintenance | ||||
| Replace planting media | square yard | $12.00 | $0.00 | |
| Debris removal | per visit | $50.00 | $0.00 | |
| Mow filter strips | per visit | $50.00 | $0.00 | |
| Sediment removal | per year | $500.00 | $0.00 | |
| Replace plants | per plant | $5.00 | $0.00 | |
| Erosion repair | square yard | $75.00 | $0.00 | |
| Gate / valve operation | per visit | $125.00 | $0.00 | |
| Inspection | per visit | $125.00 | $0.00 | |
| Subtotal | $0.00 | |||
| Apply MN Location Factor | $0.00 | |||
| TOTAL ANNUAL O&M COST | $0.00 | |||
| Minnesota Location Factors | ||||
| Bemidji | 0.963 | |||
| Brainerd | 1.003 | |||
| Detroit Lakes | 0.962 | |||
| Duluth | 0.991 | |||
| Mankato | 0.990 | |||
| Bemidji | 0.963 | |||
| Minneapolis | 1.035 | |||
| Rochester | 0.983 | |||
| St. Paul | 1.000 | |||
| St. Cloud | 1.002 | |||
| Thief River Falls | 1.042 | |||
| Willmar | 0.961 | |||
| Windom | 0.935 | |||
Note: Suggested unit costs are based on RS Means prices for Spring, 2005, then factored into an area basis based on typical design features for Constructed Wetlands BMPs. To be used for preliminary cost estimation
This page was last edited on 3 August 2022, at 20:43.