Table 5 U.S. Lockage Equipment Malfunction by Type in Hours

Table 5
U.S. Lockage Equipment Malfunction by Type in Hours

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Type of Malfunction 2002 2003 2004 2005 2006 5-year average
Electrical            
Fender Boom 2.8 0 0 0 0.7 0.7
Gates 0 0 0 1.4 0.7 0.4
Valves 0.3 0 0 0 0 0.1
Lock Equipment 0 0 0 0 0.4 0.1
Subtotal 3.1 0 0 1.4 1.8 1.3
Mechanical            
Fender Boom 0 0 0 1.3 0 0.2
Gates 0 0 0 0 0 0
Valves 0 0 0 0 0 0
Lock Equipment 0 0 6.2 0 0.7 1.4
Subtotal 0 0 6.2 1.3 0.7 1.6
Grand Total 3.1 0 6.2 2.7 2.5 2.9

SOURCE: St. Lawrence Seaway Development Corp. Lock Operations Records