Questions and Answers - Chiller Repair BEN.pdf
PDF 88 KB Posted
- Attached to
- Chiller Repair FCI Bennettsville
- Solicitation number
- 15B31725Q00000011
About this file
This document is a Questions and Answers (Q&A) document for Request for Quote (RFQ) Solicitation 15B31725Q00000011 for Chiller Repair at FCI Bennettsville. The Q&A contains 13 detailed questions and clarifications from potential contractors regarding the repair of a York 600-ton centrifugal chiller (Chiller #2). Key clarifications include: the refrigerant has been evacuated and stored in onsite tanks, the chiller was last operated in August 2021, the condenser and evaporator were Eddy Current tested in April 2019, and Eddy Current testing reports are available. The Statement of Work (SOW) requires the contractor to potentially rebuild inlet guide vanes and potentially rebuild the compressor if necessary. The completion target date is 285 working days, and the Bureau of Prisons will accept alternate repair suggestions for refrigerant handling and flushing services.
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Request for Quote: Solicitation 15B31725Q00000011 Repair Chiller – FCI Bennettsville Questions and Answers
Question 1:
The SOW indicates that Chiller #2 has sustained damage to its condenser tubes, and the scope outlines the recovery, filtration, and reuse of the existing refrigerant. However, if the condenser tubes have ruptured or failed to the extent that water has intruded into the chiller, would there still be refrigerant present in the system for recovery?
BOP Response: Clarification
The refrigerant has been evacuated from chiller #2 and is currently stored in tanks that are onsite. The contractor will need to provide tanks and will be responsible for transferring the refrigerant from the current tanks to the tanks that the contractor provides.
Question 2:
Is the chiller flooded with water presently?
No, the chiller not flooded with water.
Question 3:
Have both the evaporator & condenser been Eddy Current tested?
Yes, April 2019.
Question 4:
Are there any Eddy Current testing Reports that are available?
BOP Response: Clarification
Yes.
Question 5:
What was the approximate date of the last time the chiller was operated?
August, 2021
Question 6:
Is the driveline locked up?
BOP Response: Clarification
The driveline was not locked up in August 2021 when it was operated last. Current conditions are unknown
Question 7:
Can the compressor be manually rotated?
BOP Response: Clarification
The compressor did rotate in August 2021 when it was operated last.
Current conditions are unknown.
Question 8:
Will the oil pump build normal oil pressure with the chiller off?
BOP Response: Clarification
The oil pump built normal oil pressure in August 2021 when it was operated last. Current conditions are unknown.
Question 9:
Has the oil filter been recently changed?
BOP Response: Clarification
The last time it was operated in August 2021.
Question 10:
Has metal (aluminum) residue been seen in the oil or oil filter?
No.
Question 11:
The SOW doesn't specifically call for rebuilding the compressor. Is that a correct understanding of your repair plan?
BOP Response: Clarification
The SOW doesn't specifically call for rebuilding the compressor however Section 2.2 Scope of Work states “Separate the compressor and rebuild the inlet guide vanes”, if it is found that the compressor should be rebuilt, then it will need to be rebuilt.
Question 12:
What is the completion target date?
BOP Response: Clarification or Change
285 working days.
Question 13:
Will you accept alternate repair suggestions and handling of the refrigerant and flushing services?
BOP Response: Clarification or Change
We will accept alternate repair suggestions and handling of the refrigerant and flushing services.
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