The contractor must replace aging domestic water, chilled water, and steam piping in Buildings 1 and 23 at the Durham VA Health Care System. Work will be performed at the Durham VA Health Care Center, 508 Fulton St, Durham, NC, around an occupied healthcare facility operating 24 hours a day. The contractor is responsible for phasing coordination, supervision, materials, labor, equipment, transportation, testing, and storage, with work performed according to drawings and specifications. Appropriate PPE and infection control measures are required, and work must be phased to minimize disruption to clinic and medical center operations. Completion is required within 603 calendar days from NTP, including procurement of long lead-time items.