. Electric railway journal . portsare sent to the office of the assistant general managerin charge of operation and to the vice-presidentexecutive. Graphic Record of Interruptions The comparative frequency and duration of stationinterruptions and a classification of the causes are alsoshown graphically. The manner in which this is doneis indicated on the chart in the accompanying illustra-tion. Horizontal distance denotes intervals of timeand in the spaces opposite the various stations thenature of the interruptions and their length are shownin different colored inks. Green is used to designat
. Electric railway journal . portsare sent to the office of the assistant general managerin charge of operation and to the vice-presidentexecutive. Graphic Record of Interruptions The comparative frequency and duration of stationinterruptions and a classification of the causes are alsoshown graphically. The manner in which this is doneis indicated on the chart in the accompanying illustra-tion. Horizontal distance denotes intervals of timeand in the spaces opposite the various stations thenature of the interruptions and their length are shownin different colored inks. Green is used to designatestation shutdowns for maintenance work. These shut-downs are pre-arranged, and do not affect the operationof trains. Red is used to show shutdowns due to emer-gency causes, arising within the stations. Black isused to indicate transmission line interruptions causedby either line or power house trouble, which affects theoperation of the substations. Detailed information con-cerning each interruption could not be shown on the. ILLINOIS TRACTION SUBSTATION MAINTENANCE—CHART OFSUBSTATION INTERRUPTIONS 356 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 9 TABLE I—LIST OF SUBSTATIONS, APRIL 1, 1916 Location Jliles Georgetown Danville Fithian St. Joseph Urbana Bondville White Heath Bement Oakley Decatur Harristown 7. Illiopolis 8. Buffalo 8. Riverton 7. Springfield Belt ... 6. Chatham 10. Virden 13. Anderson 11. Behme 10. Gillespie 6. Staunton 8. Litchfield 16. Staunton 0. Hamel 8. Edwardsville 8. Stallings 7. Venice 9. Decatur 0. Emery 9. Clinton 12. Hey worth 11. Bloomington 11. Danvers 11. Capacity,,600 300300 3003003003001,050 3003003001,000500300600300300300400300 6003003003,600 3003003007503005003,600300 300300300300300 ApparatusTwo 300-kw. RotariesOne 300-kw. StanleyOne 300-kw. 1000-kw. 300-kw. StanleyOne 300-kw. One 300-One 300-One 300-One 300-One 300-One 750-One 300-One 300-One 300-Two 500On
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