3a. UHHZ160138 Drainage - Storm Drain Facility 8700 - Drawings.pdf

This document is a complete set of engineering construction plans and specifications for the "Correct Drainage - Storm Drain" project at Facility 8700, Robin Air Force Base in Georgia, dated December 13, 2023. The project involves the design and construction of a concrete drainage channel system with associated site work across six defined site areas totaling approximately 596.14 acres, with a disturbance area of 6.84 acres.

The construction scope includes clearing and grubbing, demolition of existing features, concrete channel construction (approximately 17.98 miles of channel in three alignments with a 60-inch diameter), installation of erosion control measures, grading and site preparation, and permanent stabilization. Key deliverables encompass detailed construction drawings with cross-sections, channel profiles, spot elevations, grading plans, and erosion control plans organized in three phases (initial, intermediate, and final). The project specifies use of 4,000 PSI concrete for all channel work, rolled turf reinforcement matting for slope protection, gabion mattress stabilization in select areas, and construction details for baffles, headwall aprons, and concrete flumes. Contractor responsibilities include GSWCC Level 1A Blue Card certification for erosion control personnel, OSHA HAZWOPER training, coordination of airfield operations at the active military installation, compliance with all EPA and Georgia Department of Environmental Management regulations, and implementation of comprehensive stormwater pollution prevention and sediment control measures. The plans note that excavated materials south of Richmond Ray Boulevard are non-contaminated, while all other materials must be characterized and disposed as either non-hazardous waste in a Title V permitted landfill or as contaminated waste requiring treatment. No blasting or explosives are permitted on the project site.