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- W2023538051 abstract "As part of UMTA's Subsystems Technology Application to Rail Systems (STARS) Program, a comprehensive study of the problems of rail transit car air conditioning was undertaken. Air conditioning units in the transit environment hve high failure rates, and are costly to maintain. Five transit authorities participated in the study: Bay Area Rapid Transit District (BART), Port Authority Transit Corporation (PATCO), Chicago Transit Authority (CTA), Port Authority Trans-Hudson Corporation (PATH), and Washington Metropolitan Area Transit Authority (WMATA). A separate study of the New York City Transit Authority (NYCTA) was undertaken by the consultant, and the findings included as part of this report. The 6 authorities studied use air comfort systems made by 4 different manufacturers on 20 types of railcar. These air comfort system and railcar types are of different ages, and hve been maintained with varying degrees of thoroughness. This diversity of factors precludes overall correlation of system failure problems among the participating authorities. The problems we identified during on-site visits are therfore discussed for each authority with comparisons drawn between authorities as applicable. The study determined that there are major factors contributint to air conditioning problems: (1) hardware design, (2) deficiencies in maintenance information systems. (3) preventive maintenance, (4) employee training, (5) technical documentation, and (6) parts procurement, storage. As part of the analysis, a cost-benefit ratio was developed for improvements made in each problem area. A conceptual design for a new concept modular air conditioning system is also included in the report." @default.
- W2023538051 created "2016-06-24" @default.
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- W2023538051 date "1983-11-01" @default.
- W2023538051 modified "2023-09-27" @default.
- W2023538051 title "STARS--IMPROVED AIR COMFORT SYSTEM PHASE I FINAL REPORT, VOLUME II" @default.
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