On some hard bid public project, change orders may provide the only profit the job will make.Private work is often not priced as tightly because it is usually understood by all parties that afair markup on the work is expected and numerous nuisance change orders are not. Contractorsfor private projects needs to preserve their relationship with the architect, engineer, and ownerfor future work and usually build a reasonable fee and profit into the price, anticipating thenecessity for minor changes or incidentals.