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For over 50 years, GZA has provided single-source expertise for inspection/evaluation/design of remedial measures for breaching or rehabilitation of existing dams, emergency action planning, environmental permitting, construction engineering/management, operations/maintenance planning, instrumentation, and automated data acquisition systems for long-term monitoring. GZA is a FERC Independent Consultant for hydropower facilities and performs feasibility studies leading to retrofit designs. GZA provides safety inspection services, hydrologic/hydraulic and structural/geotechnical evaluations, including application of Risk-Based Decision Making methods for dam improvements. GZA uses our geospatial capabilities in developing web-based, interactive Inundation Mapping as part of emergency preparedness planning and record management.