Bunnell’s Pond Dam & Alaskan Steeppass Fishway
Project Highlights
Location: Bridgeport, CT
Year Completed: 2002
Cost: $2.7 M
REFERENCE: Ted Rybak, Civil Engineer, III DEP, Inland Water Resources Division
79 Elm Street Hartford, CT 06106-5127 860-424-3883
PRINCIPAL-IN-CHARGE: James Brockman, P.E.
PROJECT MANAGER: Roy Seelye, P.E.
PROJECT DURATION: October 2000 - July 2002
WATERSHED AREA: 24.6 Square Miles
LAKE AREA: 31.4 Acres
DESCRIPTION: The rehabilitation of the Bunnell’s Pond Dam consisted of the reconstruction of an existing earthen dam including the replacement of an earthen embankment with Roller Compacted Concrete (RCC) to provide slope stabilization during the projected half and full PMF conditions. This project was the first to use RCC for dam design and construction in Connecticut. Included in the project was the spillway and low level outflow tunnel concrete rehabilitation, construction of reinforced concrete walls, replacement of the low level sluice gate, reconstruction of the concrete drawdown chamber, placement of riprap channel stabilization and the installation of storm drainage and toe drain. Macchi Engineers was responsible for all tasks acting as Owner's Representative with responsibilities including full-time, on-site construction administration and inspection services. Macchi Engineers also provided the design of the fish ladder and re-design of beach area. Another highlight of the project was the construction of the largest Alaskan Steep-pass Fishway in the Eastern United States. The fishway is 150 feet long and 25 feet high and cost $140,000. The fishway consist of a 3 ft X 2 ft aluminum chute with baffles set on concrete piers.
View the video from the CT Department of Environmental Protection
