SPRING POINT FLOATING BREAKWATER - SOUTH PORTLAND, MAINE 



Breakwater Type: Goodyear FTB 



Operational Life: The breakwater was constructed in 1980 and is still in 

 operation. 



Contact: Bob Soucy 



Port Harbor Marine, Inc. 

 231 Front Street 

 South Portland, ME 04106 

 (207) 767-3254 



Builder: Same as contact 



Operator: Same as contact 



Site Details 



Water and Bottom Conditions: The structure is located in saltwater above a 



gently sloping bottom composed of silt. Depth at mean low water is 3.0 m 

 (10.0 ft). The tidal range is 6.1 m (20.0 ft). 



Exposure: The site is exposed from the northeast with a fetch of 12.9 km 

 (7.0 nmi) . 



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

 the northeast with speeds between 45 km/hr (24 kn) and 65 km/hr 

 (35 kn) . Storm waves are from 0.9 m (3.0 ft) to 1.2 m (4.0 ft) in 

 height. On the average, such storms occur four times per year. 



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

 from the southeast and will reach 80 km/hr (43 kn) . Seas will be from 

 1.2 m (4.0 ft) to 1.5 m (5.0 ft) high. 



Currents and Ship Waves: The maximum current speed at the site is 0.8 km/hr 

 (0.4 kn) . Waves generated by passing boats represent a nuisance problem 

 to the boaters using the facility. Such waves are typically 0.6 m 

 (2.0 ft) high. 



Ice: Stationary ice causes damage to the facility in the winter. 



Breakwater Details 



Purpose: This breakwater protects a marina located in South Portland, Maine. 

 This facility is operated from the spring through the fall. The 

 breakwater is in operation year round and is. the singular means of wave 

 protection for the facility. The FTB also serves as a means for boat 

 traffic control. 



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