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Revision as of 19:10, 15 April 2020
Bioretention device 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 | |
| Topsoil - 6" depth, salvage on site | square yard | $4.50 | $0.00 | |
| Site Formation | ||||
| Excavation - 4' average depth | square yard | $10.00 | $0.00 | |
| Grading | square yard | $1.50 | $0.00 | |
| Hauling off-site | square yard | $5.50 | $0.00 | |
| Structural Components | ||||
| Underdrain - with pea gravel and geotextile | lineal foot | $30.00 | $0.00 | |
| Inlet structure | each | $1,500.00 | $0.00 | |
| Outlet structure | each | $2,500.00 | $0.00 | |
| Site Restoration | ||||
| Filter strip | square yard | $0.00 | $0.00 | |
| Soil preparation | square yard | $30.00 | $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 | $5.00 | $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 | ||||
| Debris removal | per visit | $50.00 | $0.00 | |
| Weed control | per visit | $50.00 | $0.00 | |
| Sediment removal | per yeart | $500.00 | $0.00 | |
| Replace planting media | square yard | $12.00 | $0.00 | |
| Replace plants | per plant | $5.00 | $0.00 | |
| Mow filter strips | per visit | $50.00 | $0.00 | |
| Erosion repair | square yard | $75.00 | $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