Quality control indicates an operational activity within the process, while quality assurance focuses on constructing confidence that quality requirements will be met. Quality is incorporated into production and verified during production and is, therefore, a key element of quality management and an essential part of daily activities within an operational unit. 
The quality management of projects consists of three main aspects: quality planning, project management and quality control. Quality planning is the process of identifying the standards by which a particular project’s quality is measured and how these standards can be met. The Quality Plan describes how quality is measured, acceptance processes, and how it ensures compliance with the standard’s requirements. Hence it is critical for the success of the project for the bid response to include a quality plan 
 K. Manghani, “Quality assurance: Importance of systems and standard operating procedures,” Perspectives in Clinical Research, vol. 2, no. 1, p. 34, 2011, doi: 10.4103/2229-3485.76288.
 “The Big Three Steps to Manage Project Quality ,” TenStep, Apr. 29, 2015. (accessed Jan. 16, 2021).