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Methods-Time Measurement Analysis of Some Milk Plant Cleaning Operations¹

Departments of Animal Industry and Industrial Engineering, North Carolina State College, Raleigh

ABSTRACT

There are many methods used to perform the task of disassembling, cleaning, and reassembling dairy equipment among different plants as well as within individual plants. The wide variations in methods depend to some extent on the plant layout and equipment available to do the job but to a greater extent on the training, experience, skill, and incentive of the operator. With the exception of the sanitary lines operations, most of the disassembly, cleaning, and assembly operations occur only once each day, thus reducing the worker's desire to perform the operation the same way twice in succession.

Several reports on the processing cost in dairy plants have revealed that labor is the greatest single item of expense. These reports also indicate that dairy plant clean-up accounts for a substantial portion of the labor cost. Therefore, the application of a technique which would improve and standardize the methods of cleaning any given piece of equipment used in the processing of milk would seem to be beneficial in reducing the total labor cost.

¹ Contributed from the Animal Industry Department, N. C. Agricultural Experiment Station, Raleigh, North Carolina. Published with the approval of the Director of Research as Paper No. 560 of the Journal Series.