Columbus HD Upgrade

Offer due date extended to 21-AUG-26 2:00 PM CST. See attachment, HC102826R0036 Solicitation AMD05 - Columbus HD Upgrade

Distance estimate between equipment and the main BAS connection point for the two install areas are as follows.

These measurements are provided as a ROM estimate and should be field verified by the contractor.

Rm 144:  ~250 FT

Rm 113:  ~100 FT

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Added attacment, QA R2 - HC102826R0036

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Offer due date extended from 13-AUG-26 to 19-AUG-26 2:00 PM CST.

See attachment, HC102826R0036 Solicitation AMD04 - Columbus HD Upgrade

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CUI removed from Summary tab name.

See attachment, Attachment 3 R1 - HC102826R0036 Pricing Worksheet

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AMD03 Extends offer due date to 13-AUG-26 2:00 PM CST per "HC102826R0036 Solicitation AMD03 - Columbus HD Upgrade".

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Updated added the following 4 attachments:

1. QA R1 - HC102826R0036

2. COL HD - R1 4  Loading Dock to Rooms

3. COL HD - R1 2 Bid Walk Sign-In Sheet

4. COL HD - Electrical One-Line Drawings

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AMD02 Extends offer due date to 7-AUG-26 per "HC102826R0036 Solicitation AMD02 - Columbus HD Upgrade".

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Contractors that previously submitted VARs/DBIDs must resubmit for new site visit dates.

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Site visit date and time:  Wednesday, July 15, 2026 – 0900 CST

See attachment, Columbus HD Upgrade - Pre-Proposal Site Visit R1

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JOBSITE VISIT IS CANCELLED FOR JULY 8 AND WILL BE RESCHEDULED THE WEEK OF JULY 12.

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Added document, QA R0 - HC102826R0036 - Columbus HD Upgrade.

Jobsite can work with vendors for the site walk-through up until the morning of July 6 to get the VAR processed.

Removed the 6 documents within Attachment 4 - HC102826R0036 PWS Appendices A-F and added them as individual attachments.

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AMD01

Updated Contracting Officer and Contracting Specialist points of contact.

Added the following 2 documents:

1. Columbus HD Upgrade - Pre-Proposal Site Visit
2. VAR Info- DISA Columbus- Updated January 2026 QR

Pre-Proposal Site Visit

• Site visit date and time:  Wednesday, July 8, 2026 – 0900 CST
• VARs MUST be submitted at least 5 business days before the start of the visit.
• All site visit questions must be submitted in writing to the Contracting Officer no later than 5 calendar days after the site visit. 

All RFP questions must be submitted in writing to the Contracting Officer no later than 8 calendar days before RFP close date.  1:00 PM CST.

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Requirement Description:

Procurement and installation of data center HVAC components and associated electrical distribution upgrades to support the new HVAC systems.

The objective of this project is to engineer and install the required electrical and mechanical infrastructure to support high-density IT equipment loads in applicable rooms. This effort includes the installation of a new redundant liquid cooling system and the necessary power distribution upgrades. The new infrastructure must integrate with the existing Building Automation System. The contractor shall provide all associated design, installation, programming, submittals, and as-built documentation.

The work involved with this project is described in the Drawings, Specifications, and Appendices that are issued as part of the contract in support of a complete solution.

The two option breakouts are intended for proposal pricing to reflect the additional Rear Door Heat Exchanger, RDHX, and Power Distribution, PDU, units labor/materials respectively.

HC102826R0036 solicitation notice contains the following 5 attachments:

• HC102826R0036 Commercial Solicitation - Columbus HD Upgrade
• Attachment 1 - HC102826R0036 PWS
• Attachment 2 - HC102826R0036 QASP
• Attachment 3 - HC102826R0036 Pricing Worksheet
• Attachment 4 - HC102826R0036 PWS Appendices A-F

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RFP HC102826R0036 issuing office has limited to zero assistance ability with SAM registrations.  Please visit https://sam.gov/help for SAM registration support. Allow up to 5 days before attempting to access controlled documents for recently updated SAM registrations.  Allow up to 2 weeks before attempting to access controlled documents for new SAM registrations.