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O&M Cost Index
The Maintenance Services Division calculates the operation and maintenance (O&M) Cost Index for Reclamation-wide use. The cost trend index is used by O&M personnel for estimating O&M costs for the previous year. The index is also used by water user entities to estimate O&M costs for contracting or other purposes. The index uses the most current data from the Engineering NewsRecord using the "Construction Cost Index History." The average annual rate of change is used to calculate the O&M cost index."