Attachment 18 - Questions and Answers 29 August 2022.pdf
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- Repair Hangar Deficiencies
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- FA301022R0030
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Hangar Deficiencies Questions
1. What are the velocity limitations for the hydraulic calculation analysis?
Buildings 4247 and 4278 have a k-factor of 5.6 Building 4254 has a k-factor of 8.0
2. Will the fire sprinkler (the original installing contractors’) “As-Built” shop drawings for the existing wet-pipe systems be provided?
Yes, as-built drawings will be provided. See attached
3. Will the most current fire pump test reports be provided?
Yes, see attached.
4. Will the new piping installed be required to be seismically designed?
Per section 3.2.4 of SOW the contractor will “bring the hangers into compliance of the current edition of the NFPA, NEC, UFC, and any ETL’s that have been issued to date”.
5. Per NFPA 409, head spacing can be up to 130 sq. ft. per sprinkler, is 130 sq. ft. acceptable for these wet-pipe systems?
edition of the NFPA, NEC, UFC, and any ETL’s that have been issued to date”.
6. Provide group type for each hangar (example: Group 1, 2, 3, or 4).
Each hangar is divided into different zones on the As-Built drawings. See attached.
7. Does all foam related piping and conduit have to be removed?
Yes, as per section 1.0 of SOW “The Contractor shall furnish all equipment, labor, supervision and materials necessary to remove the existing High Expansion Foam systems”.
8. Does all holes and anchor points for piping and conduit being removed have to be patched and/or panted?
Yes, if attached to a wall it will have to be patched and spot painted to match the current wall color.
9. Will all foam concentrate have to be disposed by the contractor?
Yes, per sections 4.2 and 4.3 of SOW.
10. Are there any special requirements for disposal of equipment being removed from the foam system?
Follow federal, state, and local laws for removal of waste products.
11. In an effort to utilize the existing ½” sprinkler head outlets, is it acceptable to use a retro-fit
K=11.2 sprinkler with ½” thread?
edition of the NFPS, NEC, UFC, and any ETL’s that have been issued to date”.
| Hangar Deficiencies QA |
| 4247 ASBuilt |
| 4247 F-100 |
| 4247 F-200 |
| 4247 F-002 |
| 4247 F-201 |
| 4247 F-300 |
| C130JET XFAB |
| 4254 ASBuilt |
| 4278 Fire |
| 4278_F-101 DETAILS |
| 4278_F-102-FIRE ALARM PLN |
| 4278_F-103-FIRE SUPP |
| 4278_F-104 FIRE PUMP PLAN |
File details come from the government source that posted it. Updated .