Amendment_1_Questions_and_Answers.pdf

June 18, 2019

Questions and Answers

Solicitation # 80GRC019Q0013

1. Question: How is the unit expected to be cooled? There is no specification listed. For example would it be Air cooled, Water cooled or other hybrid approach?

Answer: Cooling is expected to be by air cooling indoors with a 50C ambient.

2. Question: What are the load parameters?

Answer: Loading will be inverter fed permanent magnet motors.

3. Question: Is this a standard product you are after - as the delivery of only 8 weeks after award for this technical equipment seems stringent.

Answer: This is a requirement of a strict schedule to meet testing in fall. We are looking for a standard product 1.5MW at 700VDC. That requirement can be met however the vendor wants to accomplish that.

4. Question: The below link is not working that is referenced for capturing additional addendums etc related to the solicitation. Is there an alternate link that can be provided as the comments below seem to indicate addendums etc will not be uploaded to FBO (if any). We have the two PDFs attached to the solicitation.

“Prospective offerors shall notify this office of their intent to submit an offer. It is the offeror's responsibility to monitor the following Internet site for the release of solicitation amendments (if any): https://prod nais.nasa.gov/cgibin/nais/link syp.cgi. Potential offerors will be responsible for downloading their own copy of this combination synopsis/solicitation and amendments (if any)”.

Answer: Please use the following link:

https://www.fbo.gov/spg/NASA/GRC/OPDC20220/80GRC019Q0013/listing.html

5. Question: Additionally and within the spec doc it calls out the below but there is not chart of “available models”. Is this an old artifact that should not be within the spec? We don’t understand this comment/call out.

Efficiency:

86% to 88% Model specific. Refer to chart of available models

Answer: Model specific referenced internal discussions at NASA that was not removed from the spec. This will be amended. For the sake of this proposal efficiency shall be greater than or equal to 86%.

6. Question: Testing & Testing Reports: (SDRL, CDRL, Data Items). Is there any testing, testing reports required beyond the call out in the spec document shared below? Keyword search for “test*” brings up only 1 location under regulatory compliance:

Regulatory Compliance:

EMC:

Complies with European EMC Directive for test and measurement products Safety:

Complies with EN61010-1 CE Mark:

Yes RoHS Compliant:

Yes

Answer: There are no additional testing or testing reports required.