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RFQ No. 14 -07 -02 1 Page 12.57 Overseas Highway Client HDR Engineering for the Florida Department of Transportation District Six Project Dates July 2012 — Ongoing County Monroe Description E Sciences, Incorporated (E Sciences), as a subconsultant to HDR Engineering, Inc., is providing assistance with the environmental, drainage and permitting services required on the Overseas Highway roadway improvements from north of Old SR-4A/MM 77.5 to Jerome Avenue /MM 81.41 located in Monroe County, Florida. E Sciences conducted the wetland and listed species survey for the project corridor. Mangroves, forested area and beach are located adjacent to the project corridor and portions of the corridor cross over or are adjacent to waters of the Florida Keys National Marine Sanctuary ( FKNMS). These waters are designated as an Outstanding Florida Water (OFW), and as such are afforded special projection. Numerous protected species utilize the FKNMS upland and offshore habitats in the project vicinity. Due to the nature of the project (i.e., milling and resurfacing; addition of bike lanes in uplands; restoration of existing bike paths; pavement markings), no direct wetland or listed species impacts are expected as a result of the project. However, special attention to the surface water pollution prevention plan (SWPPP) and erosion control plan (ECP) will be required to ensure impacts to the FKNMS are avoided. ® E Sciences is working with the project engineer to avoid wetland impacts. This includes providing specific items, such as dearly delineating areas which cannot be used for storage of equipment or materials; and instructions for preventing any materials from bridge work falling into the water to ensure inadvertent impacts do not occur. i ' __� p - -_� •. a e o _ •`..Cloi . CSeiences Rev811 212 0 1 4 FOOT D6 Overseas Highway (7 -0084 -001) RFQ No. 14 -07 -02 1 Page 12.57