DUNKIRK HARBOR FLOATING BREAKWATER - DUNKIRK, NEW YORK 



Breakwater Type : Goodyear FTB 



Operational Life: The breakwater was constructed in 1975, reconstructed in 

 1976 and removed in 1979. 



Contact: Michael J. Bednar 



Director of Public Works 

 City of Dunkirk 

 City Hall 

 Dunkirk, NY 14048 



Builder: Same as contact 



Operator: Same as contact 



Site Details 



Water and Bottom Conditions: The structure was located in freshwater above a 

 gently sloping bottom composed of sand and silt. Depth at mean low water 

 is 1.2 m (4.0 ft). 



Exposure: The site is exposed from the northwest through the northeast with a 

 fetch of 1.6 km (0.9 nmi) . 



Typical Storm Conditions: During a typical storm, prevailing winds are from 

 the northwest through the north with speeds between 65 km/hr (35 kn) 

 and 80 km/hr (43 kn) . Storm waves are 2.1 m (7.0 ft) high. Generally, 

 such storms occur from two to three times per year. 



Worst Storm Conditions: During a worst storm on an average year, winds will be 

 from the northwest and will be in excess of 80 km/hr (43 kn) . Seas 

 will be 2.4 m (8.0 ft) high or greater. 



Currents: The maximum current speed at the site is 24.1 km/hr (13.0 kn) . 



Breakwater Details 



Purpose: This breakwater protected marinas and yacht clubs located in Dunkirk, 

 New York. The facilities were operated in the summer. The breakwater was 

 in operation year round. A bottom-resting offshore breakwater is also 

 present at the site, as well as a submerged inner wall. This FTB was 

 specifically intended to act as a temporary structure for 3 years 

 until fixed rubble mound breakwaters could be erected. 



Design Source: The builder utilized design literature from the New York Sea 

 Grant Program and the Goodyear Tire and Rubber Company. 



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