Cost Estimates

Erosion & Sediment Control (ESC) Cost Estimate


An itemized cost estimate is required to establish the Erosion & Sediment Control Performance Guaranty amount. The estimate must include, but is not limited to, the following costs:

  • Sediment Control measures (wattles, straw bales, siltation fences, diversion swales/berms, rock, checks, etc.)
  • Sediment Traps/Basins
  • Construction Entrance
  • Stream Bank Protection
  • Temporary Drainage Systems
  • Revegetation (seed, mulch, fertilizer, sod, etc.)
  • Non-vegetative Soil Stabilization (commercial erosion control blankets, rip-rap, retaining walls, etc.)
  • Permanent infrastructure needed during interim grading
  • Permanent storm water detention/management facilities (commercial/industrial site plans only)

Subdivision Improvements Cost Estimate


An itemized cost estimate is required to establish the Subdivision Improvements Performance Guaranty amount. This amount must cover the costs for all public improvements maintained by the county (public streets and storm sewers) or private improvements maintained by the homeowners (private streets, storm sewers, detention and storm water management facilities). 

The cost estimate must include, but is not limited to, the following costs:

  • Earthwork (grading, clearing, demolition, etc.)
  • Retaining walls, if part of road embankment
  • Street and miscellaneous pavement
  • Sidewalks (adjacent to common ground and handicap ramps)
  • Street signs, guard rail, and other ancillary items
  • Storm sewer systems, bridges, and culverts
  • Stream/Storm Water channel improvements
  • Storm water detention and management facilities

Questions?

Please contact the St. Charles County Development Review Division at 636-949-1814 or development@sccmo.org.