OCI Calculations
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The Weight, or relative importance of an Index, is stored in the Condition Category library. The OCI is the result of dividing the sum of the weighted condition category indexes by the sum of the weights used.
|
Condition Category |
Weight |
Inspection Index |
Result |
|---|---|---|---|
|
Aesthetics |
2 x |
40 |
80 |
|
Structures |
5 x |
60 |
300 |
|
Surface |
3 x |
40 |
120 |
|
|
|
|
|
|
Weighted Sum Total |
10 |
Results Total |
500/10 |
|
OCI = |
500/10 |
Total OCI is |
50 |
Use higher Weight values to increase the relative importance of a Condition Category when calculating OCI. Use lower Weight values to decrease the relative importance of a Condition Category when calculating OCI.
Null or zero values in Index or Weight have special effects on OCI:
|
If the Index is |
If the Weight is |
Effect on OCI |
|---|---|---|
|
NI(Not inspected) |
a number |
Estimated index for Condition Category used to calculate OCI. If unavailable estimate, Condition Category is not used to calculate OCI. |
|
0 |
a number |
Index of 0 used to calculated OCI |
|
a number |
NULL |
Condition Category not used to calculate OCI |
|
a number |
0 |
Condition Category not used to calculate OCI |
Once the OCI is calculated, the value is used to lookup the corresponding Overall Condition Rating (OCR) stored in the Condition Categories Ratings library.