API 510 - Petrosync Course

August 22, 2017 | Author: Nguyễn Minh Tấn | Category: Corrosion, Welding, Fatigue (Material), Materials, Building Engineering
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CHECK LIST FOR EXTERNAL INSPECTION Sr No 1

Inspection Point Ladders, Stairways, Platforms, Walkways

2

Foundation and Supports

3

Anchor Point

4

Steel Supports

5

Nozzles

6

Grounding Connection

7

Auxillary Equipment

8

Protective Coating and Insulation

9

External Condition of Equipment

Parameters to be checked 1. Careful inspection of corroded or broken parts, tightness of bolts, cracks 2. Depression in platforms for stangnancy of water and corrosion 1. Concrete Foundation should be inspected for spalling, cracking and settling 2. Settling should be checked for even and uneven settlement. If excessive than piping need to be checked for cracks at connections to the vessel 1. Condition of Anchor bolt by sideway blowing with hammer to check for corrosion and complete deterioration below the base plate. 1. Steel supports should be inspected to see whether they are sound. Scraping will reveal corrosion and slight hammering will disclose thinning. 2. Columns and load carrying beam should be checked for buckling and excessive deflection. 3. Any crevices should be inspected for crevice corrosion. 1. If any settling of vessels has occurred, nozzles and adjacent shell areas should be inspected for distortion and cracking and leak evidence 2. Exposed gasket faces should be inspected for scoring and corrosion. Groove ring joints should be checked for cracks using PT or MT 1. This connection must be verified for good electrical contact and are securely connected. Recommended resistance is 5 ohms and not to exceed 25 ohms 1. Gauge connections , sight glasses may be visually inspected while the unit is in operation for any undue vibration 1. Painting and Coating should be checked for blisters and film lifting 2. Insulation shall be checked externally for damage and bulging. 1. Bulging or buckling 2. Hydrogen blistering, caustic embrittlement which may show signs outside 3. Hot spots for bulging and creep

CHECK LIST FOR INTERNAL INSPECTION Sr No 1

Inspection Point

2

Surface Preparation

3

Detailed Inspection

Preliminary Inspection

Parameters to be checked 1. To be performed to check for fouling, deposits for vessel and heat exchangers. Inspect for corrosion under this deposits and send sample for analysis. 2. For towers any dislodging of trays 1. Cleaning may be required for detail inspection by hot water, steaming, or solvents 2. Cleaning should be supplemented by abrasive blasting, power brushing, high pressure water blasting as applicable 1. Inspection should start from one end to other. 2. Key areas like internal attachment welds, seam welds and tray supports by performing Visual and NDE. 3. Entire vessel should be inspected for evidence of corrosion, erosion, hydrogen blistering 4. For general corrosion enough thickness reading shall be taken to find metal loss. 5. Pitting type corrosion and grooving should be measured for depths and metal loss 6. An hammer may be used to identify potential thin areas of vessel 7. For cracking use PT, MT or Shear wave UT 8. Areas directly below the liquid level in the vessel containing acidic corrodents should be inspected for hydrogen blistering 9. Welded seams in amine service need to be checked for cracking by WFMT 10. All internal piping should be checked for any dislodging, thinning and cracking at welds 11. Deaerators should have their welds and heat affected zones checked for cracking 12. Vessels surfaces need to be checked for laminations which usually run slant or parallel to surface 13. If there are metallic linings they should be inspected for bulges and buckling. 14. For non metallic linings a High voltage spark tester should be used to detect holidays.

API 510 Exam Administration -- Publications Effectivity Sheet FOR: December 2013 exam Listed below are the effective editions of the publications required for this examination on the date(s) shown above.



API Standard 510, Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration, 9th Edition, June 2006



API Recommended Practice 571, Damage Mechanisms Affecting Fixed Equipment in the Refining Industry,

2nd EDITION, April 2011 ATTENTION: Only the following sections listed in RP 571 are included on the exam: Section 3. Definitions Par. 4.2.3 – Temper Embrittlement 4.2.7 – Brittle Fracture 4.2.9 – Thermal Fatigue 4.2.14 – Erosion/Erosion-Corrosion 4.2.16 – Mechanical Failure 4.3.2 – Atmospheric Corrosion 4.3.3 – Corrosion Under Insulation (CUI) 4.3.4 – Cooling Water Corrosion 4.3.5 – Boiler Water Condensate Corrosion 4.3.10 – Caustic Corrosion 4.4.2 – Sulfidation 4.5.1 – Chloride Stress Corrosion Cracking (Cl-SCC) 4.5.2 – Corrosion Fatigue 4.5.3 – Caustic Stress Corrosion Cracking (Caustic Embrittlement) 5.1.1.4 Hydrochloric Acid (HCL) Corrosion (new!) 5.1.1.10 Sour Water Corrosion (Acidic) (new!) 5.1.2.2 Amine Stress Corrosion Cracking (new!) 5.1.2.3 – Wet H2S Damage (Blistering/HIC/SOHIC/SCC) 5.1.3.1 – High Temperature Hydrogen Attack (HTHA)    

API Recommended Practice 572, Inspection of Pressure Vessels, 3rd Edition, November 2009. API Recommended Practice 576, Inspection of Pressure-Relieving Devices, 3rd Edition, November 2009. API Recommended Practice 577, Welding Inspection and Metallurgy, 1st Edition, October 2004. American Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code, 2010 Edition,

w/2011 Addendum, July 2011 i. Section V, Nondestructive Examination, Articles 1, 2, 6, 7 and 23 (Section SE-797 only)) ii. Section VIII, Rules for Construction of Pressure Vessels, Division 1; Introduction (U), UG, UW, UCS, Appendices 1-4, 6, 8 and 12 iii. Section IX, Welding and Brazing Qualifications, Welding only _____________________________________________________________________________ Please ensure you obtain authorized documents from one of API’s redistributors: Techstreet: www.techstreet.com; Phone: 1-800-699-9277 IHS Documents: www.global.ihs.com; Phone: 1-800-854-7179

04/2013

V. PRACTICAL KNOWLEDGE - SPECIFIC

API-510, Pressure Vessel Inspection Code All of API 510 is applicable to the examination unless specifically excluded. For example: Section 9 and Appendix E are excluded. API RP 571, Damage Mechanisms Affecting Fixed equipment in the Refining Industry ATTN: Test questions will be based on the following portions of the document only: Section 3 - Definitions 4.2.3 – Temper Embrittlement 4.2.7 – Brittle Fracture 4.2.9 – Thermal Fatigue 4.2.14 – Erosion/Erosion-Corrosion 4.2.16 – Mechanical Failure 4.3.2 – Atmospheric Corrosion 4.3.3 – Corrosion Under Insulation (CUI) 4.3.4 – Cooling Water Corrosion 4.3.5 – Boiler Water Condensate Corrosion 4.3.10 – Caustic Corrosion 4.4.2 – Sulfidation 4.5.1 – Chloride Stress Corrosion Cracking (Cl-SCC) 4.5.2 – Corrosion Fatigue 4.5.3 – Caustic Stress Corrosion Cracking (Caustic Embrittlement) 5.1.1.4 – Hydrochloric Acid (HCl) Corrosion 5.1.1.10 -- Sour Water Corrosion 5.1.2.2 – Amine Stress Corrosion Cracking 5.1.2.3 – Wet H2S Damage (Blistering/HIC/SOHIC/SCC) 5.1.3.1 – High Temperature Hydrogen Attack (HTHA)

API RP-572, Inspection of Pressure Vessels – Entire document is subject to testing with the exception of Appendix B.

API RP 576, Inspection of Pressure-Relieving Devices - Entire document is subject to testing with the exception of appendices

API RP 577, Welding Inspection and Metallurgy – Entire document is subject to testing

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