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Hey guys, Noel here again. In today's video, I'm gonna share with you the difference between quality assurance and quality control. So hang on guys and watch and learn carefully. Some are asking what is quality assurance and what is quality control? Well, let us discuss clearly one by one and in detail so that we eventually understand what are the differences.
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There are various meanings of quality assurance and quality control but here are the best I've been able to find and best fit for us as a productivity engineers in the construction industry. But before going through let me define the quality first because the word quality is a foundation of what we call quality assurance and quality control.
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If you are new to this channel, please consider subscribing so that you will be notified every time we post a new video. But before anything else, let's define what is quality.
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Quality is a measure of excellence or a state of being free from defects, deficiencies, and significant variations brought about by the strict and consistent adherence to measurable and verifiable standards to achieve uniformity of output that satisfies specific customer or user requirements.
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Let's give the differences between quality assurance and quality control. We will show samples of QA and QC actions on below tabulations. Let us give the meaning of quality assurance first. The plan and systematic activities implemented in a quality system so that quality requirements for a product or service will be fulfilled.
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means of providing confidence that quality requirements will be met. Here is the meaning of quality control: the observation techniques and activities used to fulfill requirement for quality, mechanism used such as checks or tests that are performed to ensure that requirements are met. Here are the six samples that we can see the differences between quality assurance and quality control.
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Sample number one, project procurement. QA provided scope of work, conditions of contract, specification.
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The QC is to adopt and follow what are the requirements and the scope of work, conditional contract, specification, and to execute the project as per such standards and no more no less. Quality controls will make sure that all works to be executed as per standards and drawings. Sample number two, drawing.
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QA ensures drawings are submitted and approved by the local authorities and/or engineer for site application. The QC will conduct periodical checks of revision and issue a log of drawings to staff to update them for the new revisions. QC will withdraw uncontrolled copy of drawings. Number 3 Sample Materials
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The QE is to make sure materials is submitted via material approval request or MAR and shall ensure compliance of the specification. QC is to monitor the latest revision of material approval request or MAR by acquiring material log sheet from document control or DC
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QC is to check materials upon arrival on the site to verify compliance from the approved MAR. QC is to conduct site surveillance for the materials used on site. Sample number 4: Document Controller. QA to record the outgoing and incoming of the materials submitted or MAR.
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drawings and related documents and make sure recorded it in log sheets. Document controlling process or procedures set out and the company procedures shall be followed. The quality control shall make sure that such documents are stamped and filed in a manner that it can be searchable. When placed in box files make sure clearly labeled.
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QC shall stamp drawings with controlled copy for the latest revision and otherwise stamp as superseded. Drawing shall stamp issued for construction when released for site use. Example number five, QE/QC engineer. The QC example is ceramic tile material. QE shall make sure that material has MAR approved, right?
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QC shall issue a material inspection for checking with the engineer. QC shall verify the size, thickness, color shade, and the supplier. Requirements from approved MAR shall be verified by means of such physical check. Sample number six, site activity.
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Quality assurance is concerned with the fabrication of method statement, inspection and test plan including checklist for its activity in order to meet the requirements. Quality control is to check and verify the activity, material and test by means of inspections as detailed in the MS and ITP.
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Stages of activity that will satisfy standard or requirements shall be written on checklist. So now everything might be clear to you and hoping that this video has helped you understand the differences between quality assurance and quality control. If you have suggestions and supplements on this topic, you are free to share comments or leave your reply in the comment box.
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