The Department of Commerce, National Institute of Standards and Technology has a requirement for the design and construction of the project titled NIST CUP Chiller Replacement Design and Construction.

NIST Boulder is located in a rich research environment near the University of Colorado (CU) Boulder, and collaborates with industrial, academic, and government laboratories throughout the nation and the world. NIST and CU-Boulder jointly operate JILA, a world leader in atomic, molecular, and optical physics and precision measurement.

• Chiller 21 and 22 Replacement Design/Build (Base Scope):
  • Provide structural evaluation of the existing building structure to support new equipment and piping
  • Evaluate existing chilled water pumping system to verify existing pumping system can support new chillers.
  • Provide electrical load analysis prior to project design phase.
  • Provide acoustical analysis and sound mitigation design for operator
  • control room and adjacent office.
  • Final design and layout to be reviewed by NIST. Design / Build team shall
  • review existing conditions and propose options to be reviewed by NIST.
  • Modify building structure to support new and future chillers.
  • Remove the indoor air handler above chiller 22 and replace with new roof
  • mounted air handling unit to accommodate new and future chillers.
  • Modify existing structure, cranes, rails, and piping to accommodate new
  • and future chillers.
  • Remove five existing double man doors on the west side of the chiller
  • room and provide new steel roll up doors with electric openers. This work
  • shall be coordinated with ESO (Emergency Service Office).
  • Remove existing chillers 21 and 22 and replace in a phased approach.
  • Phasing of chiller replacement shall be coordinated with NIST to ensure
  • continued plant operation.
  • Modify existing chilled and condenser water piping to support new and
  • future chillers.
  • Replace existing refrigerant exhaust and detection systems to
  • accommodate new and existing chiller refrigerants.
  • Provide new chilled water pump(s) and variable frequency drives to
  • accommodate new and future chillers.
  • Replace existing chilled water filtration system with new side stream
  • filtration system to support new and future chillers.
  • Provide all necessary controls to support new chillers. GC shall coordinate
  • with existing ESCO performance contract.
  • Provide new electrical buckets and gear to support new and future chillers.
  • Provide new service hoists for chillers 24 and 25.
  • Provide paint, insulation, and labeling of pipe to match existing.
  • Provide sound mitigation for operator control room and adjacent office.
  • Provide independent third-party Commissioning of chilled water system.
  • Commissioning agent shall report to both NIST and the GC.
  • Provide safe access to accommodate maintenance and repair activities for
  • all equipment.