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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.
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