Efficiency investigation and optimization of contract management business processes in a workwear rental and laundry service company

摘要

The paper presents business processes business process models in the area of contract management in a workwear rental and laundry service company. The presented diagrams are the result of the analytical work performed by the multidisciplinary team of experts. The team consists of IT specialist, subject-matter experts and employees of the rental company. Business models presented in the article are described in accordance with the assumptions of BPMN (Business Process Model and Notation). The models of the rental company's activities were created in the ARIS software environment, where the simulation of all necessary operations was carried out. As the result of simulation experiments a number of interesting parameters were obtained. There is no possibility to obtain these parameters in the static analysis of a business process. They can be only determined by the dynamic analysis. A sample results show the frequency of various significant events, accumulated time corresponding to activities performance, number of actions being performed by different people, overall working time for employees, the degree of the human factor use, and the global cost connected with different activities. The following process models have been developed, simulated and optimized: Release of an employee, Locker room change request, Clothing size change request for an employee, Cabinet location change request, Clothing sets amount change request, Personal data change, Employment process, Registration of the own clothing for an employee, New cabinet order, New set of keys set up, Transfer of an employee, Clothing repair request.