EDUCATION 101: QUALITY CONTROL AND QUALITY ASSURANCE

PRINCIPLES OF SUPPLY AND PROCUREMENT MANAGEMENT

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QUALITY CONTROL AND QUALITY ASSURANCE
Quality control has been defined as the operational techniques and activities that are used to fulfill requirements for quality
Quality control is concerned with defect detection and correction. Inspection activities can be classified as quality control processes, along with the other activities which involve monitoring to ensure that defectives or potential defectives are spotted.
Quality assurance differs from quality control and is defined as ‘all those planned and systematic activities implemented within the quality system and demonstrated as needed to provide adequate confidence that an entity will fulfill requirements for quality.
Quality assurance is concerned with defect prevention and has become synonymous with quality systems such as KEBS, BS5750 and international Counterpart ISO 9000. Quality assurance includes all activities connected with the attainment of quality such as


 Design including proving and testing
 Specification, which must be clear and unambiguous
 Assessment of suppliers to ensure that they can perform
 Motivation of all concerned
 Education and training of suppliers staff
 Inspection and testing
 Feedback to ensure that all measures are effective

Quality Control/Assurance Objectives
 Reduction of errors and enhancement of quality
 Problem prevention rather than detection and correction
 Reduction in product or services costs
 Improved productivity
 Improved Employee involvement, motivation, job satisfaction and commitment
 Improved teamwork and working relationships
 Development of employee problem solving ability
Advantages of Quality Control and Assurance
Both buyers and sellers gain benefits from a good quality control. The following are the principal advantages:
 Minimum possible rejection and wider acceptance of the supply is made possible by the supplier’s Effective quality control systems
 Minimum inspection time and effort help the vendor as well as the purchase in delivery and receiving the supply at a lower cost.

Advantages Thus;
 Prospects of zero defects increase
 Scraps are minimized and wastage is reduced due to good quality control system.
 Goodwill of both vendor and purchaser is enhanced as there are fewer difficults and problems in regard to quality products
 Sometimes inspection at the purchasers end is limited if with each consignment the vendor quality certificate and statistical date regarding the quality of goods supplied is enclosed
 Quality consciousness is developed resulting in benefit to all concerned
 Accumulation of obsolete material is reduced to minimum
 It results in reduction of lock-up capital due to decrease in Inventory.

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