As the project progresses through final design, the need for a design exception, waiver, variation or deviation may be identified. Form 1002 PS&E Transmittal Data, is the official place where basic design criteria are documented, as well as exceptions, waivers, variations and deviations for design features that did not meet nominal safety design of the controlling criteria minimum values or ranges.

The RDM provides extensive discussion on the application, preparation of and submission for review and approval of design exceptions, waivers, variations and deviations.

Submit design exception, waiver, variation, and deviation requests to District design exception committee soon after identifying the need.