Control quality is the process of monitoring and recording the results of executing quality project activities in order to
- Identify the causes of poor process or product quality and recommend or take action to eliminate them
- Validate that project deliverable and work meet the requirements specified by the key stakeholders necessary for final acceptance
The inputs to use are:
- Project management plan that explains how to control quality in the project through quality management plan
- Quality metrics that explain the attributes of the project or product and how they will be measured
- Quality checklist that contains a list to be used to verify the work of the project and its deliverables if they meet the requirements
- Work performance data that provides the progress of the project. The data shows the relationship between planned and actual performance. For instance, planned vs actual schedule performance, planned vs actual cost performance etc
- Approved change requests that will be used to modify like to detect repairs, revise work methods or revise the schedule
- Deliverables produced by the project to be validated
- Project documents such as agreements, quality audit reports, change-log, training plans,
- Organizational process assets include organization’s quality standards, procedures and policies to use for quality control
The process can be done by:
- Inspection whereby the examination of the work or product is determined if it follows the documented standards
- Using six basic quality tools like checksheets, Pareto, histogram etc, (refer perform quality assurance process)
- Using statistical sampling whereby few samples are selected and tested
- Reviewing the approved change requests to verify if the requested changes were implemented as approved
The outputs are:
- Quality control measurements as the documented results of control quality activities
- Validated changes that will be accepted. The rejected ones will need a rework
- Verified deliverables with correctness in order to formalize the acceptance
- Work performance information of the project especially when there is some rejection, the causes, the rework required and some adjustment to make.
- Change requests will be initiated if they will change what has been recommended in the project management plan
- Updates in project management plan, project documents like quality standards, agreements, quality audit reports etc and organizational process assets like lessons learnt documentation and completed checklists
References:
PMI (2013). A Guide to the Project Management Book of Knowledge (PMBOK Guide 5th Ed.) USA, Project Management Institute
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