ETL 1110-2-560
30 Jun 01
b. Dam equipment. The results are tabulated in Table D-7. The dam machinery is 82 percent after
50 years. Because failure data on the sprocket were not available, it was not included in the analysis.
Table D-1
Overall Environment Component Stress Levels (data from Greene and Bourne 1972)
General Environmental Condition
K1
Ideal, static conditions
0.1
Vibration-free, controlled environment
0.5
General purpose ground based
1.0
Ship
2.0
Road
3.0
Rail
4.0
Air
10.0
Missile
100.0
Stress Rating
Percentage of component nominal rating
K2
140
4.0
120
2.0
100
1.0
80
0.6
60
0.3
40
0.2
20
0.1
Temperature
Component temperature (degrees C)
K3
0
1.0
20
1.0
40
1.3
60
2.0
80
4.0
100
10.0
120
30.0
Note: Other data sources such as Reliability Analysis Center (1995) also contain environmental information.
D-4
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