Site visit date and time: Wednesday, July 15, 2026 – 0900 CST See attachment, Columbus HD Upgrade - Pre-Proposal Site Visit R1 ------------------------------------------------------------------------------------------------------------------ JOBSITE VISIT IS CANCELLED FOR JULY 8 AND WILL BE RESCHEDULED THE WEEK OF JULY 12. ------------------------------------------------------------------------------------------------------------------ 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. ------------------------------------------------------------------------------------------------------------------ AMD01 Updated Contracting Officer and Contracting Specialist points of contact. Added the following 2 documents: Columbus HD Upgrade - Pre-Proposal Site Visit 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. ------------------------------------------------------------------------------------------------------------------ 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 Accessing Protected Proposal Documents: The Access Request Link is l…