October 08,2010
David Flick, Principal and Founder, announces the firm has successfully completed environmental due diligence for the proposed Big Creek Sanitary Sewer Expansion in Pleasant Hill, Missouri. A jurisdictional assessment of wetlands and other waters of the United States identified a total of 319 lineal feet of perennial stream, 509 lineal feet of intermittent stream, 658 lineal feet of ephemeral stream, 18.32 acres of wetlands, and 0.29 acres pond within the limits of the proposed sewer expansion. The US Army Corps of Engineers Section 404 Permit and Missouri Department of Natural Resources Section 401 Water Quality Certification required the avoidance of the majority of jurisdictional stream channels & wetlands and restoration of temporary impacts to stream banks, wetlands, riparian areas, and all other disturbed areas within the sewer easement.
The firm also received project clearance under Section 106 of the National Historic Preservation Act. A Phase I Cultural Resources field investigation and report was completed for the proposed sewer alignment and determined that the proposed project will not negatively affect any significant cultural resources. The Phase I report was submitted to the Missouri Department of Natural Resources Historic Preservation Office for their concurrence.
Terra Tech also designed the restoration plan to restore temporary impacts to wetlands and perennial, intermittent, and ephemeral stream channels for construction of the proposed sewer. Restoration activities include stabilization of stream banks in the location of sewer impacts with rolled erosion control products, coir log toes, gabion toes, and native vegetation plantings. Wetland restoration activities include reapplication of stockpiled wetland topsoil and native vegetation re-establishment. Additionally, all other vegetation will be restored where it is disturbed within the sewer easement. Construction of the sewer project and restoration activities will begin in the spring of 2011
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