B09 - Amendment4Atch19HVACPipingPlans2000_0004.pdf

This file is an amendment to the solicitation for the project to remove and install a new HVAC unit at a National Park Service Visitor Center under solicitation number 140P6220B0002. The amendment provides additional details for the project, which will disconnect the existing geothermal piping loop and replace it with a new fluid cooler and natural gas boiler located near the maintenance building. The existing piping within the visitor center will be replaced as indicated in the drawings. The existing heat pumps and an attic ductless split system will be replaced with new heat pump units, and energy recovery ventilators will be added. The Department of the Interior National Park Service Midwest Region is the contracting agency for this project to replace and upgrade the HVAC system at the visitor center.