![]() ![]() ![]() The clear advantage of achieving a zero-defect level is waste and cost reduction when building products to customer specifications. Performance should be judged by the accepted standards, as close to perfection as possible.One needs to judge waste, production, and revenue in terms of budgetary impact. Quality is measured in financial terms.Quality should be integrated into the process from the beginning, rather than solving problems at a later stage. Therefore, zero defects in a project mean fulfilling requirements at that point in time. Quality is a state of assurance to requirements.The zero defects theory is based on four elements for implementation in real projects. Common with the zero defects theory is the concept of “doing it right the first time” to avoid costly and time-consuming fixes later in the project management process. Eliminating waste creates a process of improvement and correspondingly lowers costs. Anything that is unproductive and does not add value to a project should be eliminated, called the process of elimination of waste. Waste refers to all unproductive processes, tools, employees and so on. Zero defects theory ensures that there is no waste existing in a project. Zero Defects: The Theory and Implementation True perfection might not be achievable but at least the quest will push quality and improvements to a point that is acceptable under even the most stringent metrics. The zero defects concept should pragmatically be viewed as a quest for perfection in order to improve quality in the development or manufacturing process. According to the Six Sigma standard, the definition of zero defects is defined as 3.4 defects per million opportunities (DPMO), allowing for a 1.5-sigma process shift. From a literal standpoint, it’s pretty obvious that attaining zero defects is technically not possible in any sizable or complex manufacturing project. ![]()
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