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  2. Pipelayer - Wikipedia

    en.wikipedia.org/wiki/Pipelayer

    A pipelayer (or pipe-layer or drain layer) is a skilled tradesman who lays pipe, such as for storm sewers, sanitary sewers, drains, and water mains. [1] Pipelayers may grade (i.e., level) trenches and culverts, position pipe, or seal joints. [1] The Standard Occupational Classification System code for pipelayers is 47-2151. [1]

  3. Uniform Plumbing Code - Wikipedia

    en.wikipedia.org/wiki/Uniform_Plumbing_Code

    Designated as an American National Standard, the Uniform Plumbing Code (UPC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems as a means of promoting the public's health, safety and welfare.

  4. List of professional designations in the United States

    en.wikipedia.org/wiki/List_of_professional...

    Obtaining a certificate is voluntary in some fields, but in others, certification from a government-accredited agency may be legally required to perform certain jobs or tasks. Organizations in the United States involved in setting standards for certification include the American National Standards Institute (ANSI) and the Institute for ...

  5. Plumbing code - Wikipedia

    en.wikipedia.org/wiki/Plumbing_code

    A plumbing code is a code that provides regulations for the design, installation and inspection of building plumbing and sanitary systems. In the United States, jurisdictions enact their own codes, some of which are based upon model plumbing codes.

  6. Pipelayer (vehicle) - Wikipedia

    en.wikipedia.org/wiki/Pipelayer_(vehicle)

    A pipelayer or sideboom [citation needed] is a type of a construction vehicle used to lay pipes. It is used in the construction of oil, gas and water pipelines.

  7. LEED Professional Exams - Wikipedia

    en.wikipedia.org/wiki/LEED_Professional_Exams

    The LEED Professional Exams are administered by the Green Business Certification Inc. (GBCI) for professionals seeking to earn credentials and certificates. The exams test knowledge based on the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) Rating Systems.

  8. NSF International - Wikipedia

    en.wikipedia.org/wiki/NSF_International

    NSF (an initialism for National Sanitation Foundation) is a public health organization [1] headquartered in Ann Arbor, Michigan [2] that tests and certifies foods, water, and consumer products. [1]

  9. Plumbing & Drainage Institute - Wikipedia

    en.wikipedia.org/wiki/Plumbing_&_Drainage_Institute

    The Plumbing & Drainage Institute (PDI) is an association of American manufacturers of engineered plumbing drainage specialty products.Such products include floor drains, roof drains, sanitary floor drains, cleanouts, water hammer arresters, swimming pool drains, backwater valves, grease interceptors, fixture supports, and other drainage specialties. [1]