Attachment J.2 - FAC 4213 Inspection Report.pdf
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- Solicitation number
- W9128F25QA015
About this file
This is an API 653 repair inspection report dated September 3, 2020, documenting repairs and modifications made to Tank 27 at Robins Air Force Base in Georgia. The inspection was performed by AmSpec for the US Army Corps of Engineers Omaha District's Center of Expertise for Petroleum, Oils and Lubricants (USACE POL-MCX).
The report details 30 repair and maintenance items completed on the 93-foot diameter, 49.5-foot high storage tank with a capacity of 1,359,645 gallons. Key repairs included installation of a new leak detection system, concrete ringwall extension, impressed current cathodic protection system, new lap-welded tank bottom, and new aluminum honeycomb floating roof. Additional work involved replacing/repairing the receipt/issue piping, containment liner, water draw-off system, tank coatings, level alarms, thermal relief system, and various access components. The tank was certified as suitable for return to service, with the next in-service inspection due in September 2025 and out-of-service inspection due in September 2030.
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US Army Corps of Engineers Omaha District
API 653 Repair Inspection Report - Final
Robins AFB Tank Number 27
US Army Corps of Engineers Center of Expertise for Petroleum, Oils and Lubricants
(USACE POL-MCX)
3 September 2020
Table of Contents
ACRONYMS AND ABBREVIATIONS
SUITABILITY FOR SERVICE MEMORANDUM
GENERAL TANK INFORMATION
TANK REPAIRS
1. New Leak Detection System
2. Concrete Ringwall Extended
3. Cathodic Protection System
4. New Tank Bottom
5. Low-Type Repads Installed
6. Bottom-to-Ringwall Interface Sealed
7. Receipt Piping Repaired
8. Issue Piping Repaired
9. Low Suction Piping Repaired
10. Containment Liner
11. Dike Access
12. Ringwall Cracks Sealed
13. Water Draw-Off System Replaced
14. Tank Coatings
15. Internal Floating Roof
16. Overflow Vent
17. Level Alarms
18. Tank Stairs
19. Thermal Relief System
20. Stilling Wells
21. Mechanical Tape Gauge
22. Roof Manway
23. Shell Manways
24. Roof Inspection Hatches
25. Insect Screens
26. Roof Handrail
27. Reinforcement Plates Installed
28. Scaffold Cable Supports
29. Tank Grounding
30. Hardware
APPENDIX A: ENGINEERING DRAWINGS
ACRONYMS AND ABBREVIATIONS
API
ASME
ASNT
ATG
American Petroleum Institute
American Society of Mechanical Engineers
American Society of Non-Destructive Testing
Automatic Tank Gauge
BBL Barrel
CFR Code of Federal Regulations
CP Cathodic Protection
DFT Dry Film Thickness
HLA High Level Alarm
HLCS High Level Control Shutoff
HHLA High-High Level Alarm
LLA Low Level Alarm
LLLA Low-Low Level Alarm
MFL Magnetic Flux Leakage
MT Magnetic Particle Testing
NACE National Association of Corrosion Engineers
NDT Non-Destructive Testing
NFPA National Fire Protection Association
PSI Pounds per Square Inch
PT Penetrant Testing
P/V Pressure/Vacuum
RP Recommended Practice
PST Product Saver Tank
RT Radiography Testing
TML Thickness Measurement Location
TRV Thermal Relief Valve
UFC Unified Facilities Criteria
UFGS Unified Facilities Guide Specifications
ULS Ultra-Low Sulfur
UT Ultrasonic Testing
VT Visual Testing
SUITABILITY FOR SERVICE
MEMORANDUM
STORAGE TANK NO. 403
Out-of-Service API 653 Tank Inspection and Repair
Contract No. W9128F-14-R-0048-RFP-63 Grissom ARB, IN
Tank 403 was inspected 12 June 2020 to 3 September 2020. An API 653 Repair Inspection was performed by Darrin Laughlin. This tank report is an Appendix to the original API 653 tank report.
On this date, 3 September 2020, the tank is in suitable condition for return to service.
Mandatory Repairs
No mandatory repairs were required.
Other Repairs and Maintenance
1. New leak detection system installed
2. Concrete ringwall extended around new leak detection system
3. Impressed current CP system installed
4. New tank bottom installed
5. Low-type repads installed on issue, receipt and low suction piping
6. Fuel resistant sealant installed at tank bottom-to-ringwall interface
7. Receipt piping repaired
8. Issue piping repaired
9. Low suction line repaired
10. Containment liner installed
11. Dike access repaired/changed
12. Cracks in ringwall sealed
13. Water draw-off system replaced
14. Tank coatings repaired
15. New floating roof installed
16. New overflow vent installed to limit fill height of tank
17. Level alarms replaced
18. Tank stairs modified
19. Thermal relief system replaced
20. New stilling wells installed
21. Mechanical tape gauge repaired
22. Roof manway access hatch replaced
23. Filler drums installed in shell manways
24. Five new roof inspection hatches installed
25. Insect screens removed on inspection hatches and center roof vent
26. Roof handrail modified
27. Repads installed for AFFF pipe supports with inadequate weld spacing
28. Scaffold cable supports installed
29. Tank grounding replaced
30. Carbon steel hardware replaced with stainless steel bolts
Inspection Intervals
The next In-Service Inspection should occur in 5 years (September 2025) and the next UT thickness measurements should occur in 13 years (September 2033) in accordance with API 653.
An MFL scan performed on the tank bottom detected no indications of underside corrosion. The next Out-of- Service inspection should occur in 10 years (September 2030).
This storage tank suitability for service evaluation has been completed in accordance with the requirements of API Standard 653, 5th Edition, Addendum 1, April 2018.
Prepared by:
Darrin A Laughlin US Tank Inspection Manager AmSpec API 653 Certified Inspector No. 29230
GENERAL TANK INFORMATION
ITEM DESCRIPTION
Owner Robins Air Force Base
Location Warner Robins, GA
Tank Number 27
State / Country Georgia, USA
City Warner Robins
Inspection Date 6/12/2020 – 9/3/2020
Tank Manufacturer American Tank & Vessel
Design Standard API 650, 8th Ed.
Date of Construction 1994
Tank Contents Jet-A
Tank Diameter 93.0 Feet
Shell Height 49.458 Feet
Product Height 25.00 Feet
Tank Capacity 1,359,645 Gallons (to overflow)
Foundation Concrete Ringwall
Construction
Bottom Lap-Welded
Shell Butt-Welded
Floating Roof Petrex Aluminum Honeycomb
Fixed Roof Lap-Welded
Material
Bottom 0.3125” A36
Shell A36
Floating Roof Aluminum
Fixed Roof A36
Cathodic Protection Impressed Current
Interior Coating System Thin Film Epoxy
Exterior Coating System Thin Film Epoxy
Level Gauging
Overfill Protection High and High-High Level Alarms
Piping Receipt 8” Carbon Steel
Issue 8” Carbon Steel
Low Suction 6” Carbon Steel
Water Draw-Off 2” Carbon Steel
Level Alarms Low-Low Level Alarm: 2’-5.5” Low Level Alarm: 2’-6.75” High Level Alarm: 25’-4.5” High-High Level Alarm: 25’-9.25”
Type of Internal Floating Roof Petrex Aluminum Honeycomb
TANK REPAIRS
1. New Leak Detection System
OBSERVATION: Liner and leak detection system installed
2. Concrete Ringwall Extended
OBSERVATION: Ringwall foundation extended around leak detection system
3. Cathodic Protection System
OBSERVATION: New impressed current CP system installed
4. New Tank Bottom
OBSERVATION: New lap-welded tank bottom installed
5. Low-Type Repads Installed
OBSERVATION: Low-type repads installed on issue, receipt and low suction lines
6. Bottom-to-Ringwall Interface Sealed
OBSERVATION: Fuel resistant sealant installed
7. Receipt Piping Repaired
OBSERVATION: New interior flange and pipe supports
8. Issue Piping Repaired
OBSERVATION: Interior flange and pipe supports installed, piping extended and equipped with anti-vortex plate
9. Low Suction Piping Repaired
OBSERVATION: Interior pipe supports installed
10. Containment Liner
OBSERVATION: New containment liner installed
11. Dike Access
OBSERVATION: New access stairs installed
12. Ringwall Cracks Sealed
OBSERVATION: Cracks in concrete ringwall were sealed with fuel resistant sealant
13. Water Draw-Off System Replaced
OBSERVATION: New water draw-off system installed with new 55 gallon SS tank
14. Tank Coatings
OBSERVATION: Tank coatings replaced/repaired, internally and externally
15. Internal Floating Roof
OBSERVATION: New aluminum honeycomb floating roof installed
16. Overflow Vent
OBSERVATION: New overflow vent installed
17. Level Alarms
OBSERVATION: New low low, low, high and high-high level alarms installed
18. Tank Stairs
OBSERVATION: Stairway modified around high level alarms and AFFF piping
19. Thermal Relief System
OBSERVATION: Thermal relief system replaced
20. Stilling Wells
OBSERVATION: New SS stilling wells installed
21. Mechanical Tape Gauge
OBSERVATION: Mechanical tape gauge modified with new aluminum weight
22. Roof Manway
OBSERVATION: New roof manway access hatch installed
23. Shell Manways
OBSERVATION: Filler drums installed in four shell manways
24. Roof Inspection Hatches
OBSERVATION: Five new roof inspection hatches installed
25. Insect Screens
OBSERVATION: Insect screens removed from inspection hatches and center vent
26. Roof Handrail
OBSERVATION: Roof handrail modified to allow full operation of inspection hatches
27. Reinforcement Plates Installed
OBSERVATION: Two repads installed on AFFF pipe supports where weld spacing was inadequate
28. Scaffold Cable Supports
OBSERVATION: Two new scaffold cable supports installed
29. Tank Grounding
OBSERVATION: Tank grounds replaced
30. Hardware
OBSERVATION: Carbon steel hardware replaced with SS hardware
In progress, photo to be provided with formal submittal.
APPENDIX A: ENGINEERING DRAWINGS
| Robins AFB - Tank 27 |
| Bottom Layout |
| Roof Layout |
File details come from the government source that posted it. Updated .