Stormwater wetland cost estimate worksheet
Link to this table
Note: Suggested unit costs are based on RSMeans 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
| 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 - deepwater zone - 4' average depth | square yard | $5.00 | $0.00 | |
| Excavation - marsh zone - 1' average depth | square yard | $1.00 | $0.00 | |
| Grading | square yard | $1.50 | $0.00 | |
| Hauling off-site - 5' depth | square yard | $5.00 | $0.00 | |
| Structural Components | ||||
| Inlet structure | each | $2,000.00 | $0.00 | |
| Outlet structure | each | $3,500.00 | $0.00 | |
| Site Restoration | ||||
| Sod - above vegetative bench | square yard | $4.50 | $0.00 | |
| Soil preparation | square yard | $25.00 | $0.00 | |
| Seeding - vegetative bench | square yard | $0.50 | $0.00 | |
| Planting | square yard | $30.00 | $0.00 | |
| colspan=4>Subtotal | $0.00 | |||
| colspan=4>10% Contingencies | $0.00 | |||
| colspan=4>Subtotal | $0.00 | |||
| colspan=4>Apply MN Location Factor | $0.00 | |||
| colspan=4>TAL CONSTRUCTION COST | $0.00 | |||
| Annual Operation and Maintenance | ||||
| Debris removal | per visit | $100.00 | $0.00 | |
| Remove invasive plants | per visit | $500.00 | $0.00 | |
| Replant wetland vegetation | per plant | $10.00 | $0.00 | |
| Repair erosion | square yard | $75.00 | $0.00 | |
| Sediment removal and disposal | cubic yard | $10.00 | $0.00 | |
| Mow | per visit | $150.00 | $0.00 | |
| Gate / valve operation | per visit | $125.00 | $0.00 | |
| Inspection | per visit | $125.00 | $0.00 | |
| colspan=4>Subtotal | $0.00 | |||
| colspan=4>Apply MN Location Factor | $0.00 | |||
| colspan=4>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 | |||