Questions and Answers - Clean Agent Fire Extinguisher System.docx

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Clean Agent Fire Extinguisher System
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W912LM-22-Q-1001
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Clean Agent Fire Extinguisher System Project #: QJKL22201 133rd AW

Questions:

Q1. Attached is a punch list of specific requirements that would need to be provided in order to accomplish the required room sealing for a new Clean Agent system. Can the 133rd clarify to what extent improvements may be needed to the existing room in order to meet these requirements?

A1. The punch list is referencing an older NFPA edition, please reference the latest NFPA 2001, 2022 edition Annex D for Enclosure Integrity Procedures and D.2.9.2 Leak Alteration section. The existing room should meet these requirements, but any new penetrations or alterations need to comply with said standard.

Q2. Has the 133rd finalized the number of exits that they will require manual pull station/aborts switches for the new Clean Agent system?

A2. Pull Station inside the network room 114 at door leading to room 113 and the abort switch at the opposite side, on room 113. See attached B610 floor plan.

Q3.The specs refer to 5000 psi pipe along with other types. Please respond if Schedule 40 seamless A/53 which is also specified, will be the acceptable source, which is the industry standard.

A3. Use industry standard

Q4. The specs refer to “voice evac”. Please respond that this is possibly an over-sight and will not be required.

A4. Will not be required

Q5. The specs refer to “flame type detection”. Please respond that this is possibly an over- sight and will not be required.

A5. Will not be required

Q6. The specs refer to different types of conduit for wiring. Please respond if wiring can be in either flexible metal clad cable or EMT conduit and not “rigid conduit” which would normally only be used for hazardous conditions.

A6. EMT is acceptable. No flexible metal clad.

Q7. Please respond whether the existing system must remain in service or not during installation of the new system. If it can be down, is there a limit as to how long before the new system is online?

A7. It may be down for no more than a working day (< 9 hrs.).

Q8. Will an early smoke detection system be needed?

A8. Yes, such as VESDA or suitable alternate.

File details come from the government source that posted it. Updated .