Occupation: Bridge and Lock Tenders
Task: Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 0 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 3.85 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 30.77 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 19.23 (N=26)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 46.15 (N=26)
Source: Occupational Expert, 07/2005

Scale: Importance
Value: 4.59 (N=27)
Source: Occupational Expert, 07/2005

Scale: Relevance of Task
Value: 96.43 (N=28)
Source: Occupational Expert, 07/2005