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RFQ #26-07-01 | 113 <br />Georgio Tachiev, PhD, PE <br />Project Manager | Civil/Environmental Engineer <br />GIT Consulting LLC | 701 Brickell Ave, Suite 1550 Miami Fl 33131 <br />Civil - Environment - Water – GIS Page | 1 <br />Summary: <br />Experienced Civil Engineer with over 30 years of professional experience managing multidisciplinary projects in <br />water resources, stormwater management, and environmental restoration throughout South Florida. Dr. Tachiev <br />has extensive expertise in the development and application of integrated surface and subsurface hydrologic and <br />hydrodynamic models, groundwater modeling, water quality modeling, and GIS-based systems for water <br />distribution and collection infrastructure. His technical background includes the planning, hydraulic and hydrologic <br />design, and permitting of stormwater management systems, including stormwater conveyance networks (canals, <br />pipelines, and sanitary and storm sewers), pump stations, and water control structures. He has led the design of <br />complex systems involving flood control, urban drainage, wetland restoration, and watershed-scale hydrologic <br />assessments. Dr. Tachiev has developed complex numerical models to support environmental assessments, <br />water resource management strategies, remediation planning, and risk evaluation. He is proficient in automating <br />the processing, analysis, and visualization of large-scale hydrologic and water quality datasets, and has overseen <br />all phases of project delivery, including technical review, quality control, and reporting. His modeling and design <br />expertise also includes advanced computational fluid dynamics modeling and visualization of hydraulic structures <br />and flow systems, including tunnels, conduits, open channels, pump stations, and gated or uncontrolled control <br />structures. Using 3D simulations, he evaluates flow distribution, energy dissipation, and structural hydraulics <br />under both free-surface and pressurized flow conditions. In addition to his professional practice, Dr. Tachiev has <br />authored over 40 peer-reviewed publications in the fields of water resources engineering, hydrology, <br />environmental physics. 18 years with GIT Consulting LLC, 50% availability for new projects. <br />Education: <br />PhD, Water Resources and Environmental Engineering, Vanderbilt University, TN. <br />MS, Chemical Engineering, Vanderbilt University, TN. <br />BS, UA Civil Engineering, Sofia, Bulgaria <br />Licenses & Certifications: <br />Professional Engineer (PE), Florida <br />Key Projects: <br />•Flood Protection Level of Service of C-111 Watersheds in South Miami-Dade County (SFWMD): Developed a <br />750 square-mile model, including reservoirs, and water supply wells, and canals for an integrated surface and <br />groundwater model to analyze the FPLOS of 6 watersheds in South Miami-Dade County (L-31NS, C-111 AG, <br />Model Land, US1, C-111 Coastal, and C-111 South). The project included development of calibrated and <br />validated models for two recent storms and a series of design storm events along with multiple SLR scenarios <br />and combinations with storm surge. The model considered future land use changes, topography and <br />infrastructure changes. The FPLOS was evaluated using a set of 6 performance metrics. The project also <br />included flood mitigation strategies for future SLR and Storm Surge conditions. <br />•Sr 907 (Alton Road) Reconstruction, Michigan Avenue to 43rd Street, FDOT District 6 - provided drainage <br />design and permitting services for this project. Project improvements includes roadway reconstruction, the <br />design of two (2) major pump station facilities one of 23,000 GPM and the other one of 33,000 GPM each, a <br />66" trunk-line, roadway drainage improvements and seawall reconstruction. <br />•Analysis and Optimization of Underground Pit Dewatering PFS Shaft and Pump Configuration (Denver, CO): <br />Developed a 3D CFD model to determine feasibility and optimize the proposed design. The project <br />determined the required pump spacing and shaft dimensions and determined the most optimized pump <br />arrangement. The simulations were used to verify that the optimized design provides acceptable flow without <br />appreciable interferences between pumps assembly components and determine head losses in pump <br />screens and other components. <br />51