Henry Gantt's legacy to production management is the following: * The Gantt chart: Still accepted as an important management tool today, it provides a graphic schedule for the planning and controlling of work, and recording progress towards stages of a project. The chart has a modern variation, Program Evaluation and Review Technique (PERT). * Industrial Efficiency: Industrial efficiency can only be produced by the application of scientific analysis to all aspects of the work in progress. The industrial management role is to improve the system by eliminating chance and accidents. * The Task And Bonus System: He linked the bonus paid to managers to how well they taught their employees to improve performance. * The social responsibility of business: He believed that businesses have obligations to the welfare of the society in which they operate. Gantt charts
Main article: Gantt chart
A Gantt chart showing three kinds of schedule dependencies (in red) and percent complete indications. Gantt created many different types of charts. He designed his charts so that foremen or other supervisors could quickly know whether production was on schedule, ahead of schedule, or behind schedule. Modern project management software includes this critical function even now. Gantt (1903) describes two types of balances:
* the "man’s record", which shows what each worker should do and did do, and * the "daily balance of work", which shows the amount of work to be done and the amount that is done. Gantt gives an example with orders that will require many days to complete. The daily balance has rows for each day and columns for each part or each operation. At the top of each column is the amount needed. The amount entered in the appropriate cell is the number of parts done each day and the cumulative total for that part. Heavy horizontal lines indicate the starting date and the date that the order should be done. According to Gantt, the graphical daily...
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