CERTIFIED INSPECTOR CHECKLIST NEW TANK CONSTRUCTION PRIOR TO TANK FABRICATION 1. Inspector shall ensure and record that tank plates conform to API-650 Section 2.2 and 2.2 subparagraphs: 2.2.1.1 YES NO NA 2.2.1.2 YES NO NA 2.2.1.2.1 YES NO NA 2.2.1.2.2 YES NO NA 2.2.1.2.3 YES NO NA 2.2.1.3 YES NO NA 2.2.1.4 YES NO NA 2. Inspector shall ensure all materials of construction are per API-650 section 2.2.2. A 36 YES NO NA A 131 YES NO NA A 283 YES NO NA A 285 YES NO NA A 442 YES NO NA A 516 YES NO NA A 537 YES NO NA A 633 YES NO NA A 662 YES NO NA A 678 YES NO NA A 737 YES NO NA ISO Standard 630 YES NO NA Plates other than above standards (must be specified by a professional engineer experienced in aboveground storage tank design) Type of material _______________________________ 3. Inspector must review results of impact test per API-650 2.2.8.3 Acceptable Unacceptable NA Page 1 of 12
Transcript
CERTIFIED INSPECTOR CHECKLIST
NEW TANK CONSTRUCTION
PRIOR TO TANK FABRICATION
1. Inspector shall ensure and record that tank plates conform to API-650 Section 2.2 and 2.2 subparagraphs:
2.2.1.1 YES NO NA
2.2.1.2 YES NO NA
2.2.1.2.1 YES NO NA
2.2.1.2.2 YES NO NA
2.2.1.2.3 YES NO NA
2.2.1.3 YES NO NA
2.2.1.4 YES NO NA2. Inspector shall ensure all materials of construction are per API-650 section 2.2.2.
A 36 YES NO NA
A 131 YES NO NA
A 283 YES NO NA
A 285 YES NO NA
A 442 YES NO NA
A 516 YES NO NA
A 537 YES NO NA
A 633 YES NO NA
A 662 YES NO NA
A 678 YES NO NA
A 737 YES NO NA
ISO Standard 630 YES NO NA
Plates other than above standards (must be specified by a professional engineer experienced in aboveground storage tank design) Type of material _______________________________
3. Inspector must review results of impact test per API-650 2.2.8.3
Acceptable Unacceptable NA4. Inspector shall ensure material compliance with one-day mean temperature for tank location.
Acceptable Unacceptable5. Inspector shall ensure material meets heat treatment requirements.
Acceptable Unacceptable6. Inspector shall ensure material meets toughness requirements.
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Acceptable Unacceptable7. Inspector shall ensure fixed and or floating roof plates conform to the latest edition of ASTM A 570 Grade 33.
YES NO8. Inspector shall ensure materials for structural shapes conform to ASTM.
A 36 YES NO NA
A 131 YES NO NA9. Inspector shall ensure the piping conforms to the following standards unless specified by a professional engineer experienced in aboveground storage tank design.
API Spec 5L YES NO NA
ASTM A 53 YES NO NA
ASTM A 106 YES NO NA
ASTM A 333 YES NO NA
ASTM A 334 YES NO NA
ASTM A 524 YES NO NA
ASTM A 671 YES NO NAOther ___________________________________________
10. Inspector shall ensure that forgings conform to the following standards unless specified by a professional engineer experienced in AST design.
ASTM A 105 YES NO NA
ASTM A 181 YES NO NA
ASTM A 350 YES NO NA11. Inspector shall ensure shell nozzles and shell manhole necks are seamless pipe in
compliance with API-650 2.5.2.
YES NO NAIf NA was checked then compliance under 2.5.3 must be satisfied.
YES NO12. Inspector shall ensure that flanges are in compliance with API-650 2.6.
YES NO13. Inspector shall ensure that bolting conforms to the latest edition of ASTM.
A 36 YES NO NA
A 193 YES NO NA14. Inspector shall ensure that welding electrodes conform to API-650 2.8.
YES NO15. Inspector shall ensure bottom plates conform to API-650 3.4.
YES NO19. Inspector shall ensure shell attachments and tank appurtenances conform to
API-650 3.8.
YES NO20. Inspector shall ensure top and intermediate wind girders conform to API-650 3.9.
YES NO NA21. Inspector shall ensure roof conforms to API-650 3.10.
YES NO NA22. Inspector shall ensure design for wind load (overturning stability) shall conform to API-650 3.11.
YES NO23. Inspector shall ensure subsurface conditions for tank foundation is known and reviewed by a professional engineer experienced in foundation design.
YES NO
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CERTIFIED INSPECTOR CHECKLIST
NEW TANK CONSTRUCTION
PRIOR TO TANK INSTALLATION
1. Inspector shall inspect the foundation to ensure the foundation meets the tolerances in conformance with API-650 Appendix B section B.4.
Acceptable Unacceptable2. Inspector shall ensure that tank bottom will be at least one foot above surrounding ground.
Acceptable Unacceptable3. Inspector shall inspect all secondary containment as per manufacturer's guidelines.
Acceptable Unacceptable4. Inspector shall review welding procedures as per API-650 section 7.
Acceptable Unacceptable5. Inspector shall review welder qualifications prior to welder performing welding on a tank or tank components.
1. Inspector shall inspect all welds for proper sizing.
Acceptable Unacceptable2. Inspector shall inspect welds for quality and workmanship.
Acceptable Unacceptable3. Inspector shall ensure no restricted joints are used.
Acceptable Unacceptable4. Inspector shall ensure that welding conforms with API-650 section 5.2.
Acceptable Unacceptable
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NEW TANK CONSTRUCTION
AFTER TANK ERECTION
1. Inspector shall ensure all welding was made in compliance with API-650 section 5.2.
Acceptable Unacceptable2. Inspector shall check for misalignment of plates as per API-650 section 5.2.3.1.
Acceptable Unacceptable3. Inspector shall check projection of shell course plates to adjoining shell course as per API-650 section 5.2.3.2.
Acceptable Unacceptable4. Inspector shall ensure radiographs are made in compliance with the requirements of API-650 section 6.
Acceptable Unacceptable5. Inspector shall witness the testing of tank bottom welds.
Acceptable Unacceptable6. Inspector shall witness the testing of reinforcement plate welds.
Acceptable Unacceptable7. Prior to hydrotest of the tank, the inspector shall ensure the tank has been checked for plumbness and record with a maximum spacing of 30 feet between check points.
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8. Prior to hydrotest of the tank, the inspector shall ensure the tank is checked for out-of-roundness.
Acceptable Unacceptable9. Inspector shall inspect tank for peaking as per API-650 section 5.5.4.
Acceptable Unacceptable10. Inspector shall inspect tank for banding as per API-650 section 5.5.5.
Acceptable Unacceptable11. Inspector shall witness the hydrotest of the tank.
Acceptable Unacceptable12. Inspector shall witness all repairs of defects found during the hydrotest of the tank.
Repairs: Acceptable Unacceptable
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CERTIFIED INSPECTOR CHECKLIST
NEW TANK CONSTRUCTION
SMALL TANKS
1. Inspector shall ensure that material specifications conform to API-650 Appendix A section A.2.
Acceptable Unacceptable2. Inspector shall ensure plate thickness conforms to API-650 Appendix A section A.4.
Acceptable Unacceptable3. Inspector shall ensure joint configuration conform to API-650 Appendix A section A.5.
Acceptable Unacceptable4. Inspector shall ensure shell manholes and nozzles conform to API-650 Appendix A section A.7.
Acceptable Unacceptable5. Inspector shall ensure flush-type clean-out fittings conform to API-650 Appendix A section A.8.
Acceptable Unacceptable6. Inspector shall ensure flush-type shell connections conform to API-650 Appendix A section A.9.
Acceptable Unacceptable7. Inspector shall ensure flush-type bolted door sheets conform to API-650 Appendix A section A.10.
Acceptable Unacceptable8. Inspector shall ensure raised-type bolted door sheets conform to API-650 Appendix A section A.11.
Acceptable Unacceptable9. Inspector shall use the checklist for large tanks for the foundation inspection.
YES NO10. Inspector shall use the checklist for large tanks for the hydrostatic inspection.
YES NO
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NEW TANK CONSTRUCTION
EXTERNAL FLOATING ROOF
1. Inspector shall ensure the roof design conforms to API-650 Appendix C section C-3.
Acceptable Unacceptable2. Inspector shall use checklists for "Prior to Tank Installation", "During Erection", and "After Tank Erection" for welding and welders of external floating roofs.
Prior to Tank Installation on hand
During Erection on hand
After Tank Erection on hand3. Inspector shall witness the testing of liquid-tight or vapor-tight joints by penetrant or vacuum box examination.
Acceptable Unacceptable4. Inspector shall examine roof for leaks during the tank hydrotest.
Acceptable Unacceptable5. Inspector shall witness alternative test per API-650 Appendix C section C.3.4.2.
Acceptable Unacceptable NA6. Inspector shall visually inspect the upper deck of pontoons and double-deck roofs for pinholes and defective welding.
Acceptable Unacceptable7. Inspector shall witness hydrotest of a minimum of 50 PSI performed on the primary roof drain. Must be done inside the tank.
Acceptable Unacceptable8. Inspector shall inspect the primary drain for leakage during the tank hydrotest.
Acceptable Unacceptable
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NEW TANK CONSTRUCTION
SEISMIC DESIGN
1. Inspector shall ensure that seismic design factors conform to API-650 Appendix E.
Acceptable Unacceptable
NEW TANK CONSTRUCTION
TANKS FOR SMALL INTERNAL PRESSURES
1. Inspector shall ensure that tanks designed for small internal pressures conform to API-650 Appendix F.
Acceptable Unacceptable
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NEW TANK CONSTRUCTION
SHOP ASSEMBLED STORAGE TANKS
1. Inspector shall ensure materials of construction conform to API-650 section 2.
Acceptable Unacceptable2. Inspector shall ensure joints are in conformance with API-650 Appendix J section J.3.
Acceptable Unacceptable3. Inspector shall ensure inspection of shell joints are as per API-650 section 6 except that a joint efficiency of 0.70 will be used.
Acceptable Unacceptable4. Inspector shall witness the testing of the tank as per API-650 Appendix J section J.4.2.2.
Acceptable Unacceptable5. The checklist for large tanks shall be used for the welding procedures.
On hand6. The checklist for large tanks shall be used for the welder qualifications.
On hand
NEW TANK CONSTRUCTION
TANKS OPERATING AT ELEVATED TEMPERATURES
1. Inspector shall ensure tank design conforms to API-650 Appendix M
Acceptable Unacceptable
NEW TANK CONSTRUCTION
USE OF ON HAND MATERIALS
1. Inspector shall ensure that on hand materials used are positively identified by chemical analysis.
Acceptable Unacceptable2. Inspector shall ensure all on hand material used is immediately marked after positive identification.
Acceptable Unacceptable
NEW TANK CONSTRUCTION
UNDER-BOTTOM CONNECTIONS
1. Inspector shall ensure all under-bottom connections conform to API-650 Appendix O.
