Guidance for Developing a Transit Asset Management Plan (2014) / Chapter Skim
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30 C H A P T E R 3 Introduction This section provides step-by-step instructions for using TAPT. After reading this chapter, you should understand how to input the required data, how to run scenarios, and how to interpret the outputs.
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Using the Transit Asset Prioritization Tool 31 In order for the buttons and the models to function, macros must be enabled. To enable macros (in Excel 2007 or 2010)
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32 Guidance for Developing a Transit Asset Management Plan The Start Screen The Start Screen contains buttons for accessing all of the major components of TAPT. The screen contains four sections (Figure 3.2)
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Using the Transit Asset Prioritization Tool 33 • Prioritization Model Results: Displays a summary table that shows the data that has been included in the prioritization analysis. • Asset Replacement Program: Displays a program list that shows how projects used in the prioritization run should be programmed over the analysis period.
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34 Guidance for Developing a Transit Asset Management Plan • Determine if the analysis should Allow budget to carry over? This will determine if excess funds at the end of the program year can be used in subsequent years.
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Using the Transit Asset Prioritization Tool 35 Figure 3.5. Parameters cont.
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36 Guidance for Developing a Transit Asset Management Plan • Define the Cost per Passenger Hour of Delay. This value defines the delay cost per hour for a transit passenger.
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Using the Transit Asset Prioritization Tool 37 5. Define the Budget for Asset Replacement and Rehabilitation (Figure 3.7)
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38 Guidance for Developing a Transit Asset Management Plan where a transit agency has condition data available. Separate instructions are provided for each model type.
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Using the Transit Asset Prioritization Tool 39 Figure 3.10. Vehicle Model.
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40 Guidance for Developing a Transit Asset Management Plan • Input the Number of Vehicles in the asset sub-group. • The Project Code is used to specify when the replacement of two or more groups of assets is to be treated as a single project.
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Using the Transit Asset Prioritization Tool 41 • Define Number of Road Calls (buses) or Failures (rail)
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42 Guidance for Developing a Transit Asset Management Plan • Define the Average Accumulated Lifetime Mileage per Vehicle. If values have been input for Number of Vehicles and Accumulated Mileage, the default value will be recalculated to reflect the transit agency data and no additional input is required.
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Using the Transit Asset Prioritization Tool 43 Passenger Hours of Delay per Roadcall/Failure. If this field has been completed, continue to Step 11.
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44 Guidance for Developing a Transit Asset Management Plan • Define the CO2 Emissions for a New Vehicle (tons)
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Using the Transit Asset Prioritization Tool 45 • Determine if the model should Convert to Per Mile Rehabilitation Cost. If periodic rehabilitation occurs at a set mileage, set this field to "FALSE" and continue to Step 15.
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46 Guidance for Developing a Transit Asset Management Plan • The Cost-Minimizing Replacement Age (years) is the age at which the vehicle is projected to reach the replacement mileage value specified.
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Using the Transit Asset Prioritization Tool 47 • Input the asset quantity for the sub-group in the Units of Assets field. The units chosen for this section should be used consistently throughout the worksheet.
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48 Guidance for Developing a Transit Asset Management Plan • Define the Passenger Delay (hours of delay)
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Using the Transit Asset Prioritization Tool 49 • Define the Passenger Delay (hours of delay per year)
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50 Guidance for Developing a Transit Asset Management Plan Figure 3.26. Age-Based Model: Asset Deterioration.
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Using the Transit Asset Prioritization Tool 51 all asset types is "TRUE," meaning the assets will be included if a prioritization model is run.
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52 Guidance for Developing a Transit Asset Management Plan Figure 3.30. Condition-Based Model: Default Replacement and Rehabilitation Costs.
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Using the Transit Asset Prioritization Tool 53 10. If desired, define the Probability of Transitioning to State (Figure 3.32)
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54 Guidance for Developing a Transit Asset Management Plan Figure 3.34. Condition-Based Model: Other Model Parameters.
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Using the Transit Asset Prioritization Tool 55 Figure 3.36. Start Screen Asset Group Administration.
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56 Guidance for Developing a Transit Asset Management Plan 3. Click on the Delete Selected Asset Group button.
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Using the Transit Asset Prioritization Tool 57 • Replacement Value Graph: A breakdown showing the percent of vehicle and non-vehicle assets replacement values. • Initial Needs Graph: A breakdown showing the percent of vehicle and non-vehicle assets initial needs.
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58 Guidance for Developing a Transit Asset Management Plan 4. Review the results of the prioritization run in the Program List (Figure 3.43)
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Using the Transit Asset Prioritization Tool 59 4. A menu item will appear prompting the user: "The selected sheet(s)
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60 Guidance for Developing a Transit Asset Management Plan 3. Click on the Display Summary Table button.
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Using the Transit Asset Prioritization Tool 61 • The Other Agency Costs ($) are the total transit agency costs in the program year, excluding replacement costs and energy costs.
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62 Guidance for Developing a Transit Asset Management Plan 3. Click on the Display Program List button.
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Using the Transit Asset Prioritization Tool 63 • Other Passenger Costs (excluding delay) • CO2 Emissions Costs • Other External Costs (excluding CO2)
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64 Guidance for Developing a Transit Asset Management Plan Figure 3.54. Display Chart -- Two Runs.
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