AMERICAN ENVIRONMENTAL & CONSTRUCTION SERVICES, INC.

(AECS)

Project Experience - Stormwater Monitoring

Project Description

AECS has been contracted on behalf of its client, The Georgia Power Company, on a long-term contract to provide Stormwater Monitoring Services to Georgia Power Company construction sites throughout the state.  AECS installs a combination rain gauge and Stormwater sampling device at sites designated in the site Erosion, Sedimentation & Pollution Control (ES&PC) Plan and its Comprehensive Monitoring Plan (CMP).  The sampling devices, once installed, are inspected weekly, and a sample of the stormwater runoff is collected whenever there is a qualifying rain event. The sample is then tested for turbidity and the results recorded on a site turbidity log.  In addition, daily rainfall is recorded on a rainfall log.  This data is provided to the site engineer for his monthly reports required by the NPDES General Permit. AECS also conducts weekly inspections of the Erosion Control Best Management Practices (BMP) specified in the site ES&PC Plan.

Avonlea Substation, Suwanee, GA

AECS installed one rain gauge and sampling device at the stormwater runoff outfall of the Georgia Power Company’s construction site for its Avonlea Substation in Suwanee.  Once a sedimentation basin had been constructed at the site, the rain gauge and sampling device were relocated to the outfall from the basin.  We will continue to monitor, inspect, and sample throughout the construction activities at the site and until permanent erosion control measures have matured.

Wal-Mart Distribution Center Transmission Line, Carrollton, GA

AECS has installed upstream and downstream rain gauges and sampling devices at two locations along the Georgia Power Company transmission line leading to the new Wal-Mart Distribution Center being constructed in Carrollton, GA.  The sampling devices allow for measurement of the erosion impact on local streams of the transmission line construction by measuring turbidity at the upstream and downstream limits of the transmission line right of way, where the stream crosses it, during a qualifying rain event. The sampling devices have been installed upstream and downstream of two streams crossing the right of way. Monitoring, sampling and inspection will continue during the construction of the transmission line and until final stabilization of erosion control measures following completion of the construction. 

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