Addendum 1 IFB 2025-037 Agricultual Center HVAC Unit Replacements.pdf
PDF 606 KB Posted
- Solicitation number
- 377-2025-037
- Issued by
- Union County, North Carolina
About this file
This document is Addendum No. 1 for Invitation for Bid (IFB) No. 2025-037 issued by Union County, North Carolina for Agricultural Center HVAC Unit Replacements. The addendum modifies the original bid documents, provides clarifications, and includes accepted "Like" models for equipment replacement. The project involves replacing HVAC units with specific American Standard models in 17.5 and 20-ton configurations, using both R-410A and R-454B refrigerants. The addendum confirms that the project requires two programmable thermostats, one for each unit being replaced, and removes a previous specification about reworking line sets. A non-mandatory pre-bid conference and site visit was held on March 6, 2025, at 11:00 AM at the Union County Agricultural Center located in Monroe, NC.
The addendum includes a list of four accepted "Like" model HVAC units from American Standard, specifying their cooling, heating, and tonnage characteristics. The document indicates that no Variable Air Volume (VAV) systems are associated with the units, and only simple 24V low voltage controls are needed. An attachment with a pre-bid sign-in sheet is also included, documenting potential bidders who attended the site visit. The addendum serves to provide additional information, clarify scope, and answer potential questions from bidders to ensure a comprehensive and clear understanding of the project requirements.
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| File | Type | Posted |
|---|---|---|
| IFB 2025-037 Agricultual Center HVAC Unit Replacements.pdf |
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Text version
Invitation for Bid No. 2025-037
Agricultural Center HVAC Unit Replacements
ADDENDUM No. 1
ISSUE DATE: March 13, 2025
Responding Offerors on this project are hereby notified that this Addendum shall be made a part of the above named IFB document.
The following items add to, modify, and/or clarify the IFB documents and shall have the full force and effect of the original Documents. This Addendum shall be acknowledged by the Offeror in the IFB document.
Union County, North Carolina Addendum 1 IFB 2025-037 Agricultural Center HVAC Unit Replacements
Add/Delete
1. Section 5 Specifications, 10th Bullet point, Delete: “HP 1,3, and 5 rework line sets so that they are not touching ground. Recommend running down the exterior wall to include line set cover colored to match building exterior wall.”
End of Add/Delete Section
Questions/Answers
1. Page 7, last bullet on 5) Specifications notes “HP 1, 3, and 5 rework line sets so that they are not touching ground…” Is that a typo? We did not look at any split heat pumps during the site visit and this is not in the scope of work per se.
Answer: See Add/Delete Section.
2. To confirm: there are no VAVs associated with each unit? The scope of work dictates two programmable thermostats implying simple 24V low voltage controls and so no another thermostats or controls are required.
Answer: That is correct. There are no VAVs. We need straight programable thermostats, one for each unit being replaced.
End of Questions/Answers Sections
“Like” Model Acceptance
After review by County staff, the following proposed “Like” models have been accepted for this project.
• American Standard YSJ210A4S0L DX Cooling/Gas Heat 17.5 Tons R-410A
• American Standard YSJ240A4S0L DX Cooling/Gas Heat 20 Tons R-410A
• American Standard YSK210A4S0L DX Cooling/Gas Heat, 17.5 Tons R-454B
• American Standard YSK240A4S0L DX Cooling/Gas Heat, 20 Tons R-454B
Attachment
1. Pre-Bid Sign-In Sheet
End of Addendum 1
File details come from the government source that posted it. Updated .