MAINT & Repair/Replace Letterkenny

Amendment 01 dated 13 July 2026 - See pictures in the attachments. The quote due date has changed to 20 July 2026. — The POC to coordinate a site visit is Michael Hershey at michael.b.hershey.civ@army.mil or phone at 717-267-8258. — The U.S. Army TMDE Activity (USATA) has a requirement to procure maintenance and repair/replace of its laboratory environment systems located at its TMDE Support Center, Letterkenny Army Depot, 5240 Technology Avenue, Chambersburg, PA 17201. The maintenance and repair/replace shall include the following specifications or equivalent (if not brand name): — Replace (4) Units in Lab, Including: — • (4) Replacement Evaporators on Existing Indoor Units (Metal structure to remain - replacing internal components) — • (4) Replacement Condensing Units — • Replace Rooftop units via crane — • Remove existing Temp/Humidity Controller for each of the four (4) labs and replace with PLC Controller — • PLC controller to be housed in a new 24x24 NEMA Enclosure — • Provide a new stand along PC with VT SCADA to monitor, trend and store all data — • Program PLC's to match existing HVAC controls — • Install new control panels and interface to existing equipment — • Startup/Training of new control system — Place of Contract Performance: Chambersburg, PA 17201

Amendment 01 dated 13 July 2026 - See pictures in the attachments. The quote due date has changed to 20 July 2026. — The POC to coordinate a site visit is Michael Hershey at michael.b.hershey.civ@army.mil or phone at 717-267-8258. — The U.S. Army TMDE Activity (USATA) has a requirement to procure maintenance and repair/replace of its laboratory environment systems located at its TMDE Support Center, Letterkenny Army Depot, 5240 Technology Avenue, Chambersburg, PA 17201. The maintenance and repair/replace shall include the following specifications or equivalent (if not brand name): — Replace (4) Units in Lab, Including: — • (4) Replacement Evaporators on Existing Indoor Units (Metal structure to remain - replacing internal components) — • (4) Replacement Condensing Units — • Replace Rooftop units via crane — • Remove existing Temp/Humidity Controller for each of the four (4) labs and replace with PLC Controller — • PLC controller to be housed in a new 24x24 NEMA Enclosure — • Provide a new stand along PC with VT SCADA to monitor, trend and store all data — • Program PLC's to match existing HVAC controls — • Install new control panels and interface to existing equipment — • Startup/Training of new control system — Place of Contract Performance: Chambersburg, PA 17201