Quality Assurance System may be visualized as a series of inter related controls which are exercised to achieve the desired quality Objectives. They are:-

• PROCESS CONTROL – Drawing & Technical Specification, Construction Methodology, Quality Assurance Plan, Resource based planning etc.
• PROCUREMENT CONTROL – Vendor evaluation & Registration, Specification for Work order, Qualification of Procured items.
• MATERIALS CONTROL – Material receipt, QA/QC verification, Storage, Non conforming material segregation storage, Issue of materials, Stores Register.
• INSPECTION & TEST CONTROL – Quality Assurance Plan, Calibration of measuring Equipments, Inspection Records, Statistical Analysis.
• NON-CONFORMANCE CONTROL – Preventive & Corrective Action.
• DESIGN CONTROL – Basic Design, Process Design.
• DOCUMENT CONTROL – Controlled copy, Distribution, Old copy Disposition.
• RECORD CONTROL – Document identification, Storage, Retrieval, Maintenance, Permanent & Temporary records.
• TRAINING CONTROL – In-House Training, Institutional Training.
• QUALITY SYSTEM AUDIT – Audit by Internal Quality Auditors.