Attachment 9 Questions and Answers 2.pdf
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- Attached to
- NPTU Inspection of Air Receivers
- Solicitation number
- FA441825Q0007
About this file
The document is a Questions and Answers (Q&A) attachment for the NPTU Inspection of Air Receivers contract (FA441825Q0007), providing critical clarifications about the inspection requirements. Key details include the scope of work involving air receiver inspections, with specific guidance on examination methods, equipment, and constraints. The Q&A addresses technical specifics such as certification requirements (API 510 certification is acceptable), inspection procedures, equipment limitations (e.g., camera specifications, couplant usage), and operational constraints like vessel pressurization and group inspection logistics.
The contract is a 100% small business set-aside issued by the Department of the Air Force Air Mobility Command, with a NAICS code of 541350 and a size standard of $11,500,000. All work, including documentation, must be completed by the end of calendar year 2025. Vendors are required to submit electronic responses via email to loryn.heckathorn@us.af.mil and stephanie.woods.7@us.af.mil no later than 26 February 2025 at 0900 EST. The inspection involves examining air receivers, safety relief valves, and ensuring compliance with specific technical requirements outlined in the Statement of Work.
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Attachment 9 NPTU Inspection of Air Receivers
FA441825Q0007
Questions and Answers 2
1. Referencing section 2.2 (d) of the SOW, is an API 5-10 certification considered an equivalent demonstration of examination experience?
A. An API 510 certification is considered an equivalent demonstration of examination experience.
2. Are the receivers ever depressurized?
A. The receivers are only depressurized for a safety relief valve inspection / replacement once every 3 years. Otherwise, they remain pressurized.
3. Are new cameras required to perform the internal inspections?
A. A camera-type boroscope for the vessel internal inspection DOES NOT have to be brand new, but it does have to comply with the requirements presented in the last paragraph of Section 2 of the SOW. For clarity, no lubricants may be introduced into the vessel interior, and introduction of other foreign material (dust, corrosion products, paint, etc.) to the vessel interior shall be minimized.
4. When does the work have to be completed?
A. All work (including submittal of all reporting documentation) must be complete by the end of calendar year 2025.
5. Are the valves included in the inspection?
A. All safety relief valves installed on the vessels must be audited during the inspection. The goal is for the inspector to provide third party confirmation that all relief valves have been tested or replaced within the imposed 3-year periodicity.
However, it is not expected that the inspector will remove, test, or replace any relief valves.
6. Is couplant permitted for inspection use?
A. A couplant for the purposes of the UT inspection is allowed. An oil-based couplant is preferred verses a water-based couplant. Any couplant product must be presented to NPTU for approval prior to use. Note, care must be taken to not introduce couplant to vessel interior (see last paragraph of Section 2 of the SOW).
7. How many groups would be down at once to perform the internal inspection in the one receiver for the group? Once the internal inspection is complete, how long before the next group(s) are ready, to select the one receiver and perform the internal inspection?
A. At most, one SCBA charge station group and one HPAC receiver group could be down at the same time to perform the internal inspection. Note, these areas are remote from each other (5+ minute walk). After the first internal inspection is complete, the next group would be ready to inspect internally in approximately 30 minutes.
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