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