1、Stack-4201 Location: Kermanshah- Iran Owner: KPIC Costumer: Namvaran Document No.: SEC-PJ045-ST-IFP-0010 SEC-Project No.: PJ045 M.S.KHM.Z M.Z COMMENT AS NOTED 02.08.2004 02 M.S.KHM.Z H.H ISSUED FOR COMMENT 20.06.2004 01 APPR. BY CHKD. BY PRD. BY DISCIPLINE DESCRIPTION Issue Date Rev. ManagersConsult
2、ing Engineersnamvaran K.P.I.C.Item Numbers: S-4201Purchasers DispositionNo CommentsComments as NotedRejectedDateNameInitialSDRL CodePurchase Order No.Document No.Rev.A60I-41D1-B213-01 SEC-PJ045-ST-IFP-001002Purchaser review and comment shall not be assumed to indicate either responsibility orliabili
3、ty for accuracy and completenes of this document or to alter any contractual terms and conditions. WELDING VISUAL INSPECTION PROCEDURE Project No. Rev. PJ.045 02 Quality Assurance System Date: 02.08.2004 Welding Visual Inspesction Procedure Sheet 2 of 5 Contents: 1- PURPOSE 2- SCOPE 3- RESPONSIBILIT
4、Y 4- REFERANCE STANDARD 5- DESCRIPTION 6- ACCEPTANCE STANDARD 7- TEST REPORT 8- DOCUMENTION Project No. Rev. PJ.045 02 Quality Assurance System Date: 02.08.2004 Welding Visual Inspesction Procedure Sheet 3 of 5 WELDING VISUAL INSPECTION PROCEDURE 1) PURPOSE This procedure describes the inspection me
5、thod for visual inspection of welded joints. 2) SCOPE The following procedure covers the general requirement for welding visual inspection of steel structure parts and header boxes relevant to air cooled heat exchangers. 3) RESPONSIBILITY All welded joints shall be inspect and reported by qualified
6、welding inspector under supervision of quality control manager. 4) REFERENCE STANDARD i) Project specification ii) ASME VIII & ASME V iii) API 661 5) DESCRIPTION 5.1- All joint preparation shall be control by welding inspector before commencement of any welding activity. 5.2- The bevel preparation s
7、hall be according to welding details and project drawing or specification, and also the weld seams to be cleaned and free of oil, dust and other contamination before performance of welding activity. 5.3- Butt weld shall be aligned and retained in position during welding. Misalignment will be within
8、the tolerances as per ASME VIII. Div.1 UW-31 5.4- Component may be assembled by bars, clamps, tack welds or other suitable methods. Tack welding of base metal outside area interested by welding shall be avoided whenever possible. Material used for tack welding shall be compatible with base metal. Pr
9、oject No. Rev. PJ.045 02 Quality Assurance System Date: 02.08.2004 Welding Visual Inspesction Procedure Sheet 4 of 5 6) ACCEPTANCE STANDARD 6.1- Surface of welded joints shall be sufficiently uniform, free from coarses, ripples, sharp corners, interpass valleys and shall be suitable for performance
10、of required NDE. The following acceptance criteria apply: ASME sec. VIII Div 1- ASME V and project specification. 6.2-. Cracks, lack of fusion, lack of penetration: Not acceptable 6.3- Undercuts: Max. depth 0.8 mm or 10% of base metal thickness (whichever is less) without however reducing thickness
11、below minimum design thickness. 6.4- Reinforcement: The indication of ASME sec. VIII Div. 1- UW-35 shall be applied. For other defects like porosity, slags, etc. refer to relevant clauses in the applicable code. 7) TEST REPORT All joints shall be inspected visually by manufacturer welding inspector
12、and relevant report shall submit to client authorized inspector for approval.(Attachment 1). 8) DOCUMENTATION Original certificates shall remain in quality control department. One copy to be submitted to client inspector. Project No. Rev. PJ.045 02 Quality Assurance System Date: 02.08.2004 Welding Visual Inspesction Procedure Sheet 5 of 5 SR. NO. HEADER NO. JOINT NO. W. STAMP RESULT REMARK NOTE:
