API 510 PV Inspection Checklist [PDF]

Zitiervorschau

APPENDIX-1 API 510 Pressure Vessel Inspection Checklist

API 510 Pressure Vessel Inspection Checklist Item

Completed

√

Foundation 1.1 Steel Members

√

Visually inspect for pitting, and corrosion.

√

Check foundation bolts secure with minimum thread engagement.

√

Check for coating failures

√

Check attachment welds for cracking and corrosion.

√

1.2 Containment Inspect the area for buildup of trash, vegetation and obstructions.

N/A

Inspect sump drain operation.

N/A

Check that runoff rainwater drains away from the tank.

N/A

Describe type of construction - Earthen, Concrete, Asphalt, Grav

N/A

Inspect condition of containment.

N/A

1.3 Concrete Foundation Supports

Inspect for broken concrete, spalling and cracks.

√

Inspect for erosion under foundation.

√

2|Page

Comments

Check for settlement around perimeter of tank

N/A

1.4 Wooden Saddle Support Check for degraded members (split, broken, dry rotted et.).

N/A

Inspect for erosion and vegetation tank foundation.

N/A

Check for settlement around perimeter of tank.

N/A

2 SHELLS 2.1 External Visual Inspection Visually inspect shell surface for paint failures, pitting, corrosion, denting, out-of-round and part deformation. Clean angles and other components that form catch basins and check for degradation and corrosion.. Inspect nozzle penetration surfaces and welds for corrosion, cracking and deformation

√

N/A

√

Check for broken, unused insulation rod supports causing corrosion nodes.

N/A

Visually inspect weld joints for cracking, pitting, corrosion and signs of leaking (product residue).

N/A

Perform dye penetrant or magnetic particle tests if leaks or cracks are suspected.

N/A

Check for proper grounding

√

2.2 Internal Visual Inspection Check atmospheric conditions, fill out and post safe entry permit form.

√

Appropriate and wear required PPE for safe entry.

√

3|Page

Inspect shell surfaces for coating failures, pitting and corrosion.

√

Inspect baffle plate surfaces weld attachments for cracking, pitting, or corrosion. Check bolts are secure with minimum thread engagement.

√

Inspect agitator shaft and blade surfaces for cracking, pitting, and corrosion. Check bolts are secure and have minimum thread engagement.

N/A

Inspect heating coils surfaces and weld attachments, for cracking, pitting, and corrosion. Check bolts are secure with minimum thread engagement

√

Inspect pressure containing weld joints for cracking, pitting, and corrosion.

√

Perform dye penetrant or magnetic particle tests if cracks are suspected.

√

3 SHELL APPURTENANCES 3.1 Manways and Nozzles Inspect for cracks or signs of leakage on weld joints at nozzles, manways, and reinforcing plates. Inspect for shell plate dimpling around nozzles, caused by excessive pipe deflection.

√

N/A

Inspect for flange leaks and leaks around bolting.

√

Check flange bolts are secure and have minimum thread engagement.

√

Inspect sealing of insulation around manways and nozzles.

√

Check for inadequate man way flange and cover thickness on mixer manways.

√

Check exposed flange and cover faces.

√

4|Page

3.2 Relief Devices Inspect for flange leaks and leaks around bolting.

N/A

Check flange bolts are secure and have minimum thread engagement.

N/A

Record inlet and outlet sizes sizes.

N/A

Check that relief system outlet discharges to safe location (outside of building).

N/A

Record certification date

N/A

Record pressure setting

N/A

Record type and ID

N/A

3.3 Shell-Mounted Sample Station Inspect sample lines for function of valves and plugging of lines, including drain or return-to-tank line.

√

Check circulation pump for leaks and operating problems.

N/A

Test bracing and supports of sample system and equipment.

N/A

3.4 Heater (Steam Coils) Inspect condensate drain for presence of oil, indicating leakage.

√

Inspect for proper mounting flange and support.

√

3.5 Mixer/Agitator Inspect for leakage.

N/A

Inspect condition of power lines and connections to mixer.

N/A

5|Page

3.6 Deck Plate and Grating Inspect deck plate for corrosion-caused thinning or holes (not drain holes) and paint failure.

√

Inspect plate-to-frame weld for rust scale buildup.

√

Inspect grating for corrosion-caused thinning of bars and failure of welds.

√

Check grating tie down clips. Where grating has been retrofitted to replace plate, measure the rise of the step below and above the grating surface and with other risers on the stairway.

√

3.7 Stairway Stringers/Rungs/Treads Inspect stairway stringers, rungs and treads for corrosion, paint failure and weld failure.

N/A

Inspect stairway supports to shell welds and reinforcing pads.

N/A

Inspect steel support attachment to concrete base for corrosion.

N/A

4 VESSEL JACKET 4.1 Jacket Shell Identify type of jacket (half pipe, cylindrical, dimpled and spot welded, etc.)

N/A

Measure and record pitch distances.

N/A

Visually inspect shell surface for paint failures, pitting, corrosion, denting, out-of-round and part deformation.

N/A

Clean angle support rings and inspect for corrosion and thinning on plate, annular space and welds.

N/A

Inspect the shell-to-foundation seal or barrier.

N/A

6|Page

Check for broken, unused insulation rod supports causing corrosion nodes.

N/A

Visually inspect for weld joints for cracking, pitting, corrosion and signs of leaking (product residue).

N/A

Perform dye penetrant or magnetic particle test if leaks or cracks are suspected.

N/A

5 INSULATION Check for holes, missing portions, deterioration due to corrosion or abuse.

√

Check for sufficient sealing, especially around vessel appurtenances.

√

Check for wetness

√

6 PRESSURE /TEMPERATURE INDICATORS 6.1 Physical and Operating Conditions Check that indicators are securely attached and operating properly.

√

Check that indicators are in accessible locations and readable.

√

Check that indicators have current calibration date.

√

Check for any damage, and corrosion build up.

√

7 ASME/NAME PLATE DATA 7.1 Physical Condition Check that ASME plate is securely attached

√

Check that ASME plate is in accessible location and readable.

√

7|Page

7.2 Record Following ASME Data Board Number

N/A

Serial Number

N/A

Radiography Examination

N/A

MAWP

√

MDMT

√

Nominal Shell Thickness

√

Nominal Head Thickness

√

Nominal Height

√

Head Material

√

Shell Material

√

Jacket Material

N/A

Manufacturer

√

Year Built

√

8 VESSEL LAYOUT DRAWINGS Head and skirt lengths and type.

√

Shell lines of support (Head Tang, Braces, Jckt Closures)

√

Foundation support member dimensions and orientation

√

8|Page

Inside/Outside diameter.

√

Vessel part nominal thicknesses.

√

Nozzle layouts, sizes and uses

√

9 UT THICKNESS READINGS 9.1 Measure and Record Vessel Part Thicknesses Heads - (4) locations, (1) in each quadrant.

√

Shell - (4) locations, (1) in each quadrant for each course.

√

Jacket - As required (at least (4) locations).

N/A

Nozzles - (4) locations, (1) in each quadrant for 2 inches and N/A greater, (1) for < 2"

9|Page