# Tag Info

The model you linked in the question will do the job. You just set $a_{jt}=0$ if a worker on shift $j$ would be taking a break at time $t$.
I am not sure of the bounds of the problem, but I'll try to provide an answer. Let's consider the following two sets: $$V = \{v: vehicles\} \\ T = \{t: days\}$$ Now, we have the parameters you have provided, which I understand are the following: $$VCAP_v: \text{capacity of vehicle v} \\ VCOST_v: \text{cost of vehicle v}\\ D_t: \text{demand of day t}$$ ...