F22 QandA part 2 5-Aug-21.pdf
PDF 83 KB Posted
- Attached to
- F-22 Maintenance Stands Federal contract opportunity
- Solicitation number
- FA8224-21-R-0011
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Solicitation - FA822421R0011-28Jul21.pdf | ||
| SOW rev 1 F-22 Work Stand 21 July 21.pdf | ||
| F22 QandA 28 July 21.pdf | ||
| Preproposal Conference Notice 15 July.pdf | ||
| SOW F-22 Work Stand 1-7-21.pdf | ||
| CDRL A005 System Requirements Review.pdf | ||
| CDRL A004 Physical Configuration Audit.pdf | ||
| DI-DRPR-81680A to CDRL A001 and A003.pdf | ||
| Solicitation - FA822421R0011.pdf | ||
| Appendix C F-22 Work Stand.pdf | ||
| CDRL A003 Design DrawingsModels and Associated Lists.pdf | ||
| DI-MGMT-81580 to CDRL A002.pdf | ||
| Preproposal Conference Notice 14 July.pdf | ||
| DD250 MIRR.pdf | ||
| CDRL A001 Critical Design Review.pdf | ||
| CDRL A002 Operation and Maintenance Manual.pdf | ||
| DI-SESS-81646C to CDRL A004 and A005.pdf |
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Text version
F‐22 Maintenance Stands Q&A Part 2 5 Aug 2021
1. The SOW states that the government is looking for a leveling jack that has about 30 inches of travel (6” to get the jack foot to the ground and 24” of raising range). While at Hill AFB, industry was given a tour of the F35 stands. Industry was told that the jacks on that stand set were the jacks government wanted. Can you please provide information on the jacks?
The SOW does not require industry to use the same jacks as the F‐35 work stands. The government simply wants jacks that have similar functionality. If the contractor can identify a source for the F‐35 work stand leveling jacks, and if those jacks meet the same requirements in the F‐22 Work Stand SOW, then it is acceptable to use them, but it is not required.
Drawings of the F‐35 work stand leveling jacks will be provided via DoD Safe. The drawings contain part numbers and contact information for the company that manufactured the F‐35 work stands. If the contractors feel so inclined, they may contact the manufacturer for more information on the leveling jacks.
2. I saw that the Jack manufacturers name on one of the F‐35 leveling jacks was Shelby. Shelby was a manufacturer in Kentucky that has been out of business since 2016. I cannot find any manufacturer that produces the jacks on the F35 stand set. Your assistance is appreciated.
Again, drawings for the F‐35 leveling jacks with manufacturer contact information have been provided. If the F‐35 leveling jacks are still available, and meet the requirements in the F‐22
SOW, then the contractor may use them if they so choose. It is not required to use the exact same model of F‐35 leveling jacks.
3. Why do the Configuration I and II work stands have to have different decking? Manufacturing all configurations of stand with the same decking is easier to achieve.
This was addressed during the pre‐proposal conference and should also be addressed in the F‐
22 Q & A documents posted to sam.gov. This is a requirement that has been driven by F‐22 production and the Hill AFB fire department to facilitate the dispersal of fire suppressant foam within our paint booths in Bldg 674. Furthermore, the mechanics in Bldg 680, where there is no fire suppressant foam system, prefer solid decking that parts and tools cannot fall through. The government is aware that manufacturing all configurations with the same decking material is easier, but the contractor is expected to meet the requirements as put forth in the statement of work.
4. When the SOW states 3 work tables per stand section. Is that per side (left or right) or 3 total per stand set? What about the footprint requirement? Adding tables in the desired quantities will exceed the desired 15% footprint requirement.
The government would like the following in reference to table quantities and footprint:
Each work stand section shall have up to three (3) two (2) foot by four (4) foot tables attached to the support structure or safety railings that are accessible from the stand deck areas. Larger
F‐22 Maintenance Stands Q&A Part 2 5 Aug 2021 work stand sections with sufficient space available shall have three tables and smaller sections shall have fewer with one table as a minimum quantity. The tables shall be suspended above open space, and will not count towards the overall ground footprint of the work stand sets.
According to the above requirement, that means that there could be as many as three tables per work stand section. If the contractor, for example, designs a work stand set that is comprised of three sections on each side of the aircraft that would mean that there could be as many as 18 tables total around the aircraft. Of course, if fewer sections are worked into the design, or sections are dimensionally unable to fit three tables, fewer tables total would be around the aircraft. A total number of tables has not been set as a requirement. The government simply desires as many tables as is possible given space limitations.
5. Is there a required number of work stand sections per work stand set?
No, there is not. The contractor is free to use as few, or as many sections, as they would like to surround the aircraft, as long as all other requirements within the SOW are met.
6. Are the Ailerons and Flaperons always removed and installed together?
Although the depot mechanics make every effort to remove or install the ailerons and flaperons at the same time, there is a chance that they may be installed or removed separately. Any work stand design must take that into account.
7. Is the horizontal stabilizer ever rotated with the trailing edge stand in place?
No. In the interest of safety the horizontal stabilizer will never be operated or rotated when there is a work stand near it.
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