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An African American sheet metal worker, Gilbert Foster, began work, which led to rumors that white workers would strike in protest. Despite an emergency meeting by federal and city officials with leaders of Sheet Metal Workers Local 65, [53] 14 white sheet metal workers walked off the job on August 6. The workers argued that Foster was not a ...
Blocking placed as attachment points for cabinets, while doubling as bracing against compression of the studs. Blocking ( dwang , nog, noggin, and nogging) is the use of short pieces of dimensional lumber in wood framed construction to brace longer members or to provide grounds for fixings.
Raising is a metalworking technique whereby sheet metal is formed over a solid object by repeated "courses" of hammering and annealing. A sheet metal worker is often required to raise, or bump, the work into form from the flat metal by means of a raising hammer and raising block. The raising block is made from substance giving resistance to the ...
The shop drawing often is more detailed than the information shown in the construction documents to give the architect and engineer the opportunity to review the fabricator’s version of the product, prior to fabrication. References to the construction documents, drawings, and specifications assist the architect and engineer in their review of ...
As national contractors gained prominence by the mid-20th century, that relationship changed with the times: With the rise of the Sheet Metal and Air Conditioning Contractors National Association – or SMACNA – in the 1940s, the national contractors group and the SMWIA agreed that "proper labor relations" would insure prosperity for all.
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