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