Construction site BMPs and their function and control mechanisms
Link to this table
| BMP function | BMP types | Erosion prevention (EP) or sediment control (SC) mechanism |
|---|---|---|
| Planning | Planning, sequencing, and scheduling | Minimize bare area and exposure period (EP) |
| Preservation and protection designation | ||
| Land clearing planning and staging | ||
| Land grading planning and staging | ||
| Lot benching | Lengthen flow path and reduce velocity of runoff (EP) | |
| Borrow and stockpile area protection | Prevent soil detachment and transport (EP) | |
| Construction road stabilization | ||
| Trackout prevention | ||
| Temporary stream crossings | Protect stabilized channel from erosion (EP) | |
| Permanent stream crossings | ||
| Drainage management | Temporary run-on diversions | Protect bare areas from run-on flows (EP) |
| Temporary right-of-way diversions | ||
| Right-of-way diversions (water bars) | ||
| Temporary stream diversions | Redirect flow away from work areas (EP) | |
| Cofferdams and barriers | ||
| Ditch and channel protection | Protect channel from erosive flows (EP) | |
| Check dams | Prevent downcutting, settle sediment (EP, SC) | |
| Temporary slope drains | Protect slope from erosive flows (EP) | |
| Temporary outlet controls | Protect outlet area from scour erosion (EP) | |
| Sediment ponds | Slow flows and settle out sediment (SC) | |
| Sediment traps | ||
| Dewatering discharge management | Filter and settle out sediment particles (SC) | |
| Soil stabilization | Surface roughening | Increase infiltration, prevent soil transport (EP) |
| Soil binders | Prevent soil detachment and transport (EP) | |
| Topsoil application | Increase infiltration, support vegetation (EP) | |
| Soil fertility amendments | Promote vegetative growth (EP) | |
| Temporary seeding and stabilization | Prevent soil detachment and transport (EP) | |
| Permanent seeding | ||
| Mulches | ||
| Landscape mulches | ||
| Hydraulic mulches and tackifiers | ||
| Erosion control blankets | ||
| Turf reinforcement mats | ||
| Sodding | ||
| Slope protection | ||
| Sediment trapping | Sediment fences | Filter and settle out sediment particles (SC) |
| Fiber rolls/wattles/logs | ||
| Storm drain inlet protection | ||
| Flotation sediment curtains | ||
| Dust control | Prevent soil detachment and transport (EP) | |
| Sand and wind fences | Filter and settle out dust particles (SC) |