A Strategic Approach to Crane Spreader Replacement
Equipment Replacement Time Optimization
M&R Cost increase with age
M&R Cost increase with age
M&R Cost increase with age
Life length
Equipment life
The effect of equipment failure
Spreader STOP
Crane STOP
Ship CAUGHT IN BERTH
Ships QUEUING UP
Ships DELAYED
Cost Comparison
The first spreader ”overutilized” (70/30 split) Two spreaders equally used over the crane lifetime
USD/lift USD/lift USD USD
0
100000
200000
300000
400000
500000
600000
700000
800000
0
0,1
0,2
0,3
0,4
0,5
0,6
0
100000
200000
300000
400000
500000
600000
700000
800000
0
0,1
0,2
0,3
0,4
0,5
0,6
Accumulated cost comparison
USD
0
100000
200000
300000
400000
500000
600000
700000
800000
Total cost (50/50)
Total cost (70/30)
Total spreader cost per crane lifelength
$590 000
$600 000
$610 000
$620 000
$630 000
$640 000
$650 000
$660 000
$670 000
$680 000
$690 000
$700 000
50/50 60/40 70/30
Conclusion
Optimum !!!!!
13
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A Strategic Approach to Crane Spreader Replacement��Slide Number 2M&R Cost increase with ageM&R Cost increase with ageM&R Cost increase with ageLife lengthEquipment lifeThe effect of equipment failure��Cost Comparison Accumulated cost comparisonTotal spreader cost per crane lifelengthConclusionSlide Number 13