Some aspects of this type of control are described next. Building close links with suppliers is an important step in developing effective purchasing controls. Fixed-interval reordering is a system that uses time as the determining factor for reviewing and reordering inventory items. C. Maintenance control is involved with maintaining the equipment used in the transformation process. There are three approaches to maintenance control.
Preventive maintenance is maintenance performed before a breakdown occurs.
Remedial maintenance is maintenance that calls for the overhaul, replacement, or repair of equipment when it breaks down. Conditional maintenance is maintenance that calls for an overhaul or repair in response to an inspection. D. Quality control is another area of operations control that is important to the manager. There are four factors that need to be considered in determining the amount and type of quality control. Acceptance sampling is a quality control procedure in which a sample is taken and a decision to accept or reject a whole lot is based on a calculation of sample risk error.