TOC: Union Break Times

TOC: Union Break Times

B: keep an employee on the bottleneck at all times for set ups
D: Change break times for workers
A: Keep employees happy while maximizing the capacity of the bottleneck
C-D':Assumption(s)Injection(s)
1. The contract can not be broken
1. Break the contract and deal with the consequences
C: Honor the contract of the Union
D': Follow the Union contract set up for employee break times

In order to Keep employees happy while maximizing the capacity of the bottleneck I must keep an employee on the bottleneck at all times for set ups and in order to keep an employee on the bottleneck at all times for set ups I must Change break times for workers. But, in order to Keep employees happy while maximizing the capacity of the bottleneck I must also Honor the contract of the Union and in order to Honor the contract of the Union I must Follow the Union contract set up for employee break times. I can't both Change break times for workers and Follow the Union contract set up for employee break times.

RelationAssumption(s)Injection(s)
D-D'1. There is only one set of rules for break times

2. All employee break time must be the same
1. You could make different rules for different departments for break times
B-D1. Employees are taking breaks and leaving machines unattended

2. Employees have to set up machines
2. Buy a machine that does not have to be set up
C-D'1. The contract can not be broken
1. Break the contract and deal with the consequences
A-B1. The only way to maximize the bottleneck is to keep it working constantly

2. Employees still have to be ensured a break
2. make sure that employees are not taking a break at the same time
A-C1. The Union contract is to ensure employee satisfaction

1. Not all employees may be satisfied with this contract