Touchstone Engineers led remote commissioning of the data center expansion, collaborating with onsite test technicians, vendors and installers. Contracted with the colocation landlord) and interfaced directly with the tenant (multi-national cloud services company). Developed test scripts for Levels 4-5 and reviewed documentation for Levels 0-5. DH1 included a live tenant. This Cx effort focused on DH2 and DH3 for a total capacity of 6MW IT load, including common power and cooling systems to all three halls. Equipment included a chilled water plant, Piller diesel rotary UPS systems (DRUPS), STSs, PDUs, MTSs and CRAH units. Documentation was developed in the cloud company’s format and organized into their PMIS.