99% Design Clause Samples

The 99% Design clause defines a project milestone at which the design phase is considered substantially complete, typically at 99% completion. At this stage, nearly all design documents, drawings, and specifications are finalized, with only minor adjustments or corrections remaining before final submission. This clause helps establish a clear checkpoint for reviewing the design, identifying outstanding issues, and preparing for the transition to construction or implementation. Its core function is to ensure that both parties agree on when the design is essentially finished, reducing ambiguity and facilitating project planning and coordination.