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In 1891, Kansas was the first state to pass a "prevailing wage" for its own public works projects, and over the next thirty years was followed by seven other states (New York 1894, Oklahoma 1909, Idaho 1911, Arizona 1912, New Jersey 1913, Massachusetts 1914, and Nebraska 1923) in establishing minimum labor standards for public works construction.
Its National Plumbing Apprenticeship Plan of 1936 was the first set of standards governing apprenticeship to win approval of the federal government. In the Depression, United Association membership fell from its 1929 peak of 60,000 to 26,000 by 1933.
A plumber is a tradesperson who specializes in installing and maintaining systems used for potable (drinking) water, hot-water production, ...
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During this phase, the drawings are refined with information from structural, plumbing, mechanical, and electrical engineers. It also involves a more rigorous evaluation how the applicable building codes will impact the project. Contract documents (CDs): Contract documents are the final drawings and specifications of the construction project ...