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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