Surface sand filter cost estimate worksheet
| 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 - 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 | ||||
| Underdrain - with pea gravel and geotextile | lineal foot | $400.00 | $0.00 | |
| Inlet structure | each | $1,500.00 | $0.00 | |
| Sand filter media - 18" depth | square yard | $15.00 | $0.00 | |
| Outlet structure | each | $3,000.00 | $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 | |
| 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 | |
| Mowing | per visit | $150.00 | $0.00 | |
| Sediment removal | per year | $500.00 | $0.00 | |
| Gate / valve operation | per visit | $125.00 | $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 | ||||