Remerciez-le!

Remerciez @Admin pour avoir partagé cet document gratuitement, de la manière la plus simple, en partageant sur les réseaux sociaux.

24 8. Quality Control / Quality Assurance 8.1. General To assure good workmansh

24 8. Quality Control / Quality Assurance 8.1. General To assure good workmanship, only qualified and certified personnel shall be allowed to work on the installation of GRE pipeline systems. Always strictly follow the installation manuals next to the necessary instruction guidelines. When making joints, it is necessary to execute the required steps in the correct sequence. Never compromise on work quality and follow the instructions assigned from handling and storing through joining and installing GRE materials. 8.2. Joint traceability As part of the quality control and on behalf of the traceability of adhesive bonded joint data, the following information should be registered during installation for each joint: 1. Name or registration info of the pipe-fitter 2. Joint identification (number) 3. Start/end of the curing process 4. Heat blanket identification (number) 5. Identification (number) of adhesive batch 6. Temperature of heating blanket (optional) 8.3. Possible installation defects Following table lists a number of defect types along with acceptance criteria and recommended corrective actions: Table 8.1. Defect, acceptance criterion, corrective action Defect Inspection method Cause Acceptance criterion Corrective action Incorrect spool dimensions Visual Incorrect prefabrication Can difference be compensated elsewhere in the system? Can system not be compensated? Accept Reject Misaligned spools Visual Misaligned components e.g. flanges Can difference be compensated elsewhere in the system? Can system not be compensated? Accept Reject Misaligned joint Visual Movement during cure. Incorrect shave dimensions Not permitted Reject Diameter restriction Visual Application of too much adhesive Maximum height (h) of adhesive seam is 0.05 * ID or 10 mm, whichever is smaller If accessible, remove by grinding Impact, wear, or abrasive damage Visual Incorrect transport or handling According to ISO 14692, Annex A, Table A1 Major defect: replace Minor defect: repair Leaking joint Hydro test Joining not properly performed Not permitted Reject uploads/s3/ gre-installation-guide.pdf