Which of the following is NOT a requirement for airlock dimensions?

The requirement that is not essential for airlock dimensions is the necessity to accommodate a minimum number of workers. Airlocks are specifically designed to serve as a barrier that prevents the escape of asbestos fibers from an abatement area into other spaces. Their primary requirements focus on ensuring that the airlock is adequately sized to prevent leaks, is sturdy enough to withstand the rigors of use, and complies with any local regulations regarding construction and safety.

The main emphasis in airlock design is on the physical characteristics, such as length and construction quality, to ensure they function effectively in maintaining containment during asbestos handling. Although it is important to facilitate access for workers, there is no specific requirement dictating a minimum number of workers that must be accommodated within the airlock dimensions. This allows flexibility to adjust the airlock size to the specific needs of the project without being bound to a worker count in the specifications.