Leedconstpollprevention

USGBC LEED for NEW CONSTRUCTION: SS Prerequisite 1

Intent

During construction, there can be a lot of pollution going on, especially when it rains. Pollution on construction sites can be reduced by controlling:

  • Soil Erosion

  • Airborne Dust Generation

  • Waterway Sedimentation

Implementation

  • Provide ESC (Erosion and Sedimentation Control) plan into construction documents and specifications.

  • Goal is to prevent the loss of soil, pollution, and sedimentation.

  • Follow the EPA 2003 (Environmental Protection Agency) standards.

  • CGP (Construction General Permit) outlines how to comply with NPDES program. CGP covers sites greater than 1 acre, but LEED covers all.

Ways to control sedimentation:

  • Stabilization: i.e. seeding and mulching

  • Structural: i.e. silt fences, earth dikes, sediment traps

 

Example of structural control. Silt fence: Fabric filter media removes sediment from stormwater volumes flowing through the fence.

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