The Deep Rock Tunnel Fiber Installation project in Indianapolis, Indiana, represents a complex, multi-year infrastructure effort completed for Citizens Energy Group between 2019 and 2025. Spanning 27 miles, this advanced fiber network was designed to support and control combined sewer drop shafts, enhancing system efficiency and reliability. Executed across four phases and requiring approximately 25,000 manhours. The project demanded precision, coordination, and technical expertise. What sets this installation apart is the challenging environment. Work was performed nearly 280 feet below ground within a tunnel system demonstrating exceptional capability in delivering high-performance solutions under extreme conditions.