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From page 16...
... 16 Data to Support Integrating Maintenance into a TAMP Maintenance Data to Support TAMP Development There are several maintenance data elements necessary to support TAMP development, and they are not limited to costs. For cost data to be useful in a TAMP analysis, it needs to be associated with the asset inventory, activities, accomplishments, and performance improvement.
From page 17...
... Data to Support Integrating Maintenance into a TAMP 17   ancillary assets. This is due to the reduction in life-cycle costs to operate and maintain these assets and increases in the ability to effectively manage risks.
From page 18...
... 18 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan SOURCE: Adapted from Allen et al.
From page 19...
... Data to Support Integrating Maintenance into a TAMP 19   SOURCE: Adapted from Allen et al.
From page 20...
... 20 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Example: MnDOT Asset Management Strategic Implementation Plan To further implement TAM in the agency, MnDOT developed an Asset Management Strategic Implementation Plan (AMSIP)
From page 21...
... Data to Support Integrating Maintenance into a TAMP 21   Assessing Data Readiness To help agencies assess the availability of data to support the selected maintenance approach, a self-assessment is suggested. NCHRP Report 814: Data to Support Transportation Agency Business Needs: A Self-Assessment Guide (Spy Pond Partners and Iteris 2015)
From page 22...
... 22 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Source: Adapted from Spy Pond Partners 2022. Figure 3-4.
From page 23...
... Data to Support Integrating Maintenance into a TAMP 23   • Data Usability: Can data be easily accessed, integrated, analyzed, and presented as needed to support decision-making? Using the responses to the self-assessment elements, a data maturity level can be assigned.
From page 24...
... 24 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Example: Alabama DOT Maintenance Quality Assurance The Alabama DOT (ALDOT) has a well-established MQA program that it uses to establish maintenance budgets.
From page 25...
... Data to Support Integrating Maintenance into a TAMP 25   Table 3-5. Sample condition assessment scorecard: 5-year trend (ALDOT)
From page 26...
... 26 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Collecting Maintenance Cost Data Accurate maintenance cost data is the foundation of any performance-based maintenance program. In the past, many maintenance organizations relied on average crew-day costs based on performance standards or guidelines for each maintenance activity.
From page 27...
... Data to Support Integrating Maintenance into a TAMP 27   average material cost; rst in, rst out (FIFO) ; or last in, rst out (LIFO)
From page 28...
... 28 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Accomplishment Reporting Agencies must also report the amount of work performed or accomplishment by maintenance activity or asset. is is necessary to develop the unit costs to perform maintenance work.
From page 29...
... Data to Support Integrating Maintenance into a TAMP 29   Example: ALDOT's Approach to Linking Maintenance Costs with Performance ALDOT ties maintenance cost data to asset performance data via the process detailed in Figure 3-8. The elements in the row headings (Inventory, Condition, Accomplishment, Performance, and Budgeting)
From page 30...
... 30 A Guide to Incorporating Maintenance Costs into a Transportation Asset Management Plan Example: MnDOT's Approach to Relating Pavement Condition to Maintenance Costs MnDOT has developed separate processes for capturing pavement maintenance cost data for contract and state-forces' work. For contract work, MnDOT has an estimating section that determines statewide costs per lane-mile based on contract costs detailed in the project lettings.
From page 31...
... Data to Support Integrating Maintenance into a TAMP 31   maintain asset inventory, condition, and performance information. In more mature applications, an enterprise system may be in place, supporting cross-asset functionality and improved integration with planning, project development, project delivery, and agency reporting tools.

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