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Standard Erosion Control Plan for Construction and Maintenance Activities Introduction ATCis committed to environmental leadership in all aspects of our business. During utility construction and maintenance projects, there is a potential for erosion or sediment discharge to occur. To address the issue of erosion, ATC ATC developed this Erosion Control Plan. This is a standard plan that applies to all ATC activities, unless a project specific plan has been developed. The purpose of this Erosion Control Plan is to provide information to all field personnel to enable them to identify conditions where soil erosion may occur and assist them in determining the Best Management Practices (BMP.) that can be used to prevent erosion and soil loss. This document should be used as a guide by field personnel, including the Construction Coordinator (CC), General Foreman (GF), Environmental Monitor (EM), and erosion control contractors (if applicable) to determine the best erosion control measures to be used on site that will avoid or minimize the potential for erosion. However, all employees and contractors should identify and report erosion and/or damaged or ineffective erosion control devices to the CC, GF or EM. This Erosion Control Plan consists of descriptions of the general causes of erosion and some common measures available to prevent erosion from occurring. It also contains an Erosion Control BMP Matrix that identifies appropriate BMPs that can be used in a variety of field conditions. Prior to and during construction, the CC, GF, EM, and erosion control contractor (if applicable) should identify any areas where the construction activity and access are likely to result in erosion. If possible, access and work practices that avoid soil loss should be? identified and implemented. If this is not possible, the Erosion Control BMP Matrix should be used to help determine the specific BMPs to minimize erosion. Best Management Practices There are four general categories of BMPs: • Avoidance practices are intended to avoid soil exposure and prevent soil loss from occurring, • Erosion control practices are intended to reduce the wearing away of soil from the ground surface, • Sediment control practices are intended to capture sediment before it leaves the construction site and enters sensitive resource areas like waterways or wetlands, • Other practices can be utilized to prevent erosion and soil loss but do not fall under the preceding categories. ENV EF 27 See on-line version for current revisions. Page 4 of 8 Revision Date:06/22/09