Page:Shop management.djvu/168

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161
SHOP MANAGEMENT
TABLE 2B
Returning Empty Getting Ready to Shovel Summation of Detail Operations
No. obs. Distance wheeled Total time wheeling barrow, minutes Time per 100 ft. per barrow, minutes Time per 100 ft. per cu. ft., minutes Remarks No. obs. Time per barrow, minutes Time per cu. ft., minutes No. obs. Distance (each way), ft.
4 50 0.260 0.520 Level 4 0.162 4 50
Summation of Detail Operations Complete Operations Rest and delay, per unit Remarks
Total time per barrow, minutes Total time per cu. ft., minutes No. obs. Distance (each way), ft. Total time of all trips, minutes Time per barrow, minutes Time per cu. ft., minutes
33 30 124 3.76 Time loosening clay not included
2.241 43 30 123 2.84 27 Sand required no loosening

Tables 2a and 2b—Time Study Assembling Sheet
Showing method of collating results of studies of earth-work barrows