https://nwconnecthub.com/search-directory/ua-local-669-fire-sprinkler-fitters-jatc/
UA Local 669 Fire Sprinkler Fitters JATC - NW Connect Career Hub
Dec 15, 2025 - The 5-year Apprenticeship period is divided into one-year segments, each to include 2,000 hours of on-the-job training and a minimum of 144 hours of related...
fire sprinkler fittersualocal