Inventory Management for Bus and Rail Public Transit Systems Final Report (1995) / Chapter Skim
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II. CRITICAL ISSUES IN INVENTORY MANAGEMENT
II. CRITICAL ISSUES IN INVENTORY MANAGEMENT
Pages 5-12
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From page 5... ...
How does the deft '`itio'' of inventory as characterized by individual public transit agencies really affect inventory performance? Our survey responses show that the definition of inventory varies widely among transit organizations.
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From page 6... ...
Other statistics collected, as reported in Section 15 of the 1964 Urban Mass Transportation Act, Amended, "Uniform System of Accounts and Records and Reporting System" included such operating data as annual ridership, annual passenger miles, annual revenue miles, total route miles, total track miles, and total number of employees. Based on our analysis, we determined that the respondents did represent a cross-section of the public transit industry in terms of geographic location and population area served.
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From page 7... ...
Approximately forty percent of survey respondents reported the Maintenance Department as the organizational unit responsible for managing inventory. This appears to be related to the size of the transit agency and its fleet of vehicles.
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From page 8... ...
As a result' opportunities may exist for less than one hundred percent accountability. For secondary storehouses, approximately fifty percent operate five days a week with onethird operating seven days a week.
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From page 9... ...
The number and range of responses indicates that there may be some uncertainty as to either what constitutes safety stock or the amount of material representing safety stock. Finally, fifty-eight percent of respondents reported setting target inventory levels but only thirty-six percent reported setting target service levels.
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From page 10... ...
When survey respondents were asked to describe how such inventory performance indicators as inventory levels, accuracy, customer service, inventory management performance, physical inventory results and unfilled demand were measured, results were mixed. Measurements described for inventory accuracy, physical inventory results, and unfilled demand indicators were generally sound.
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From page 11... ...
a new item is required for on-going maintenance. Items identified for exclusion from inventory included nuts, bolts, and fasteners; nonrecurring items; low value items; bulbs and electrical items; non-revenue vehicle items; office supplies; capital equipment; shop and cleaning supplies; lubricants and filial; direct purchase items; high value items, and; tires.
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From page 12... ...
· Item category -- filet, office supplies, maintenance parts, cleaning supplies, etc. Storage characteristics -- on-site versus with the vendor Funding for material and supplies -- purchased with capital or operating dollars Asset accounting -- inventory asset versus expensed item Criticality -- importance in supporting the organization's mission Chapters 3, "Organizational Structures for Transit System Inventor Management", Chapter 4, "Performance Indices for Assessing Inventory Management", and Chapter 5 "The Affect of Organizational Structure on Inventory Management Performance", examine the issues identified in this chapter of the report in greater detail.
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