Control process

ES GROUP

STEEL STRUCTURE WORKS QUALITY CONTROL PROCESS

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General view of the fabrication.

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Raw materials before production... Visual inspection. According to EN 10025, size and length control. Heat number and defect checking. According to EN 10204 3.1, storage of certificate control and documents in accordance. Randomly selected samples from the supplied materials are tested with mechanical and chemical analysis. The results are recorded. Laminating test is performed for all plates 10 mm and above.

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Input of raw materials.

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QUALITY CONTROL PROCESS - All stages of production; Visual inspection. Technical drawing control. Fit-up control. Welding groove control. PQR and WPS checks. According to EN 5817, %100 welding check. According to EN 13920, size and length checks.

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Fit-up and welding groove checks.

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MECHANICAL FINAL QUALITY CONTROL - The end of production. According to Owner Technical specification and standards, NDT work ( RT-UT-MT-PT) check. Marking control. Send it to the paint. Documentation.

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NDT work ( RT-UT-MT-PT) check.

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ES GROUP

SURFACE PREPARATION AND PAINTING WORKS QUALITY CONTROL

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General view of the Painting fabrication.

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ALL PROCESS- Control of ambient conditions. (temperature – moisture – dew point – surface temperature checks.) According to EN ISO 8501 – 1, surface preparation control. According to Owner Technical specification, surface quality. (SA 2,5 – St 3 vs.) Dry film thickness (DFT) control. ( According to owner painting technical specifications.) (All coat) Final quality control inspections. Packing works. Dispatch operations to construction sites.

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Surface preparation and Painting Works checks.

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