N0018925Q0055 Amendment 0001 Attachment I QA.pdf
PDF 194 KB Posted
- Attached to
- Uninterruptible Power Supply (UPS)
- Solicitation number
- N0018925Q0055
About this file
This is a Questions and Answers document (Amendment 0001) for RFP N0018925Q0055 regarding an Uninterruptible Power Supply (UPS) transformer procurement. The document addresses technical specifications and requirements, confirming that the existing battery setup has 480 VDC nominal string voltages, 48 VDC shunt trip battery breakers across three battery cabinets, and Cutler Hammer battery disconnects. The document clarifies that no site visits will be permitted despite multiple requests from potential bidders.
The Q&A establishes that new batteries cannot be provided in lieu of existing ones, and drawings for the UPS room layout and rigging path are provided in a separate attachment titled "B420 Rigging Path." Importantly, the document confirms that vendors must be Manufacturer Authorized Partners and provide current authorized reseller certification for Eaton products, as specified in the Brand Name Justification and Combined Synopsis/Solicitation section 52.212-1 Addendum.
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UPS Transformer Q&A
RFP N0018925Q0055
Amendment 0001
CUI//PRVCY
1. Question: Is it possible to schedule a site visit prior to bidding this work?
Answer: No site visit will be conducted.
2. Question: Are any drawings available? Specifically:
a. Drawings showing the UPS room and layout of batteries, UPS, and transformer.
b. Drawings showing building with rigging path to/from the loading dock (assuming there is a loading dock available).
Answer: Provided in separate attachment titled “B420 Rigging Path”.
3. Question: Are we able to provide new batteries in lieu of re-using the existing batteries?
Answer: No.
4. Question: We'd like to request a site visit (approximately 1-hour) for this Friday, 12/13 in the morning to be conducted by our project manager, John DeDomenico, and our electrical installer from A&M Electric.
Answer: No site visit will be conducted.
5. Question: What are the nominal string voltages of the existing battery cabinets (as the 93PM requires 480VDC)?
Answer: 480 VDC
6. Question: Is the existing 9315 battery breaker a 24VDC shunt trip as that was normally used in that series of battery cabinets? (93PM needs a 48VDC shunt trip and aux contacts on the battery breakers.)
Answer: 48 VDC. Each of the three battery cabinets are labeled as 48 VDC.
7. Question: Are you able to provide photos of the DC disconnect?
Answer: No
8. Question: Please provide the manufacturer name of the battery disconnect presently installed.
ABB or Cutler Hammer? (Requesting because if ABB breakers, the breaker mounting pattern is different and might preclude effective reuse of the 9315 battery cabinet).
Answer: Cutler Hammer
UPS Transformer Q&A
RFP N0018925Q0055
Amendment 0001
9. Question: Just reading over solicitation N0018925Q0055 for the replacement of the Eaton UPS at the IWTC. I see there is a brand name justification, does this mean that only Eaton Corporation is allowed to quote for this?
Answer: Per the Brand Name Justification and Combined Synopsis/Solicitation section 52.212- 1 Addendum, vendor shall certify that it is a Manufacturer Authorized Partner and provide a current authorized reseller certification of Eaton products.
File details come from the government source that posted it. Updated .