Lesson 2/Learning Event 1
fine corrugated roll shell with a smooth corrugated roll shell in order to produce the 1/2-inch minus aggregate
requires approximately four days' work. Thus, four days of production would be lost. In this case, if two plants
were available, it would be better to run one plant producing 1-inch minus material and the other producing 1/2-
inch minus material. If only one plant is available, you should assess long range need of each different size
aggregate to eliminate as many changes in plant calibration as possible.
RECORDS
There are no formal printed records in the military for use in a rock crushing facility other than maintenance
records. You should keep some records of your rock crushing operations. Some items that you should record are:
amount of quarry rock delivered to the crushing plant per day,
amount and size of the various product size aggregates produced each day,
amount of product on hand,
amount and size of product issued to various units for construction projects,
down-time encountered each day, and
calibrations for various size products.
EVALUATION
The evaluation of crushing activities is your responsibility. Although you may not possess a technical knowledge
of all the aspects of crushing operations, there are at your disposal qualified personnel to provide advice. Such
personnel trained in the application of crushing equipment should be consulted when you make evaluations.
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