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  2. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.

  3. Backflow - Wikipedia

    en.wikipedia.org/wiki/Backflow

    Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. [1] It can be a serious health risk for the contamination of potable water supplies with foul water . In the most obvious case, a toilet flush cistern and its water supply must be isolated from the toilet bowl.

  4. List of professional designations in the United States

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

    This certification is mainly for compliance staff, HIPAA consultants, HIPAA auditors and HIPAA Compliance officer. Certified Health Physicist CHP Certification as a professional health physicist awarded by the American Board of Health Physics and the American Academy of Health Physics. [56] Diplomate of the American Board of Health Physics DABHP

  5. Reduced pressure zone device - Wikipedia

    en.wikipedia.org/wiki/Reduced_pressure_zone_device

    A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices, [1] [2] reduced pressure zone assemblies (RPZA), [3] or reduced pressure principle ...

  6. Mechanical, electrical, and plumbing - Wikipedia

    en.wikipedia.org/wiki/Mechanical,_electrical...

    MEP's design is important for planning, decision-making, accurate documentation, performance- and cost-estimation, construction, and operating/maintaining the resulting facilities. [ 1 ] MEP specifically encompasses the in-depth design and selection of these systems, as opposed to a tradesperson simply installing equipment.

  7. Green building certification systems - Wikipedia

    en.wikipedia.org/wiki/Green_building...

    The Sweden Green Building Council introduced its own certification system in 2011 with Miljöbyggnad which is based on Swedish standards and legislations. [13] It is currently in its 3rd iteration with Miljöbyggnad 3.1 released in April 2020. [14] Miljöbyggnad has three levels of certification: Bronze, Silver and Gold. [15]

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  9. Green Business Certification Inc. - Wikipedia

    en.wikipedia.org/wiki/Green_Business...

    The organization's current name was adopted on 16 April 2015 after the organization began to provide third-party certification for the International WELL Building Institute's evidence-based building standard WELL Building Standard, [1] the Perfect Power Institute's PEER standard, and the Global Real Estate Sustainability Benchmark.

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