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Standards A-C

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  1. ANSI/ASHRAE  15-2016 (packaged with Standard 34-2016) Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved) cover images

    ANSI/ASHRAE 15-2016 (packaged with Standard 34-2016) Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved) (PDF Download)

    Referenced in the 2018 IMC. ASHRAE Standard 15 establishes safeguards for life, limb, health, and property and prescribes safety requirements. This standard is directed toward the safety of persons and property on or near the premises where refrigeration facilities are located. It includes specifications for fabrication of tight systems but does not address the effects of refrigerant emissions on the environment. This standard applies to (a) the design, construction, test, installation, operation, and inspection of mechanical and absorption refrigeration systems, including heat pump systems used in stationary applications; (b) modifications including replacement of parts or components if they are not identical in function and capacity; and (c) substitutions of refrigerant having a different designation.

    The 2016 edition incorporates Addenda a, b, c, e, g to ASHRAE Standard 15-2013, which comprise the following changes to the 2013 edition:

    • Incorporated changes to improve in the safe design, construction,installation, and operation of refrigeration systems.
    • Updated requirements for safety relief systems, including revisions to relief vent pipe discharge locations and design provisions for headered relief vent systems
    • Updated design pressure requirements applicable to systems using carbon dioxide; •Modified overpressure protection for heat exchangers and pressure limiting devices for positive displacement compressors.

    ASHRAE Standard 34 is intended to establish a simple means of referring to common refrigerants instead of using the chemical name, formula, or trade name. It establishes a uniform system for assigning reference numbers, safety classifications, and refrigerant concentration limits to refrigerants. The standard also identifies requirements to apply for designations and safety classifications for refrigerants and to determine refrigerant concentration limits. This standard provides an unambiguous system for numbering refrigerants and assigning composition-designating prefixes for refrigerants. Safety classifications based on toxicity and flammability data are included along with refrigerant concentration limits for the refrigerants. This standard does not imply endorsement or concurrence that individual refrigerant blends are suitable for any particular application.

    The 2016 edition incorporates the 35 approved and published addenda to Standard 34-2013. Among the key changes to the 2016 edition are the following:

    • Added thirty new refrigerants.
    • Changed the source of the WEEL (Workplace Environmental Exposure Levels) values from AIHA (American Industrial Hygiene Association) to TERA OARS-WEEL (Toxicology Excellence for Risk Assessment/Occupational Alliance for Risk Science).
    • Changed requirements for the refrigerant application process.
    • Changed the requirement for submission of standard test result data to validate the method used to determine burning velocity.
    • Changed units required for refrigerant designation to require the submission of dual units.
    • Revised R-744 toxicity data for the RCL, LC 50, cardiac sensitization NOEL, anesthesia NOEL, ATEL, RCL, and ATEL source.
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  2. ANSI/ASHRAE  62.1-2016 Ventilation for Acceptable Indoor Air Quality cover image

    ANSI/ASHRAE 62.1-2016 Ventilation for Acceptable Indoor Air Quality (PDF Download)

    Referenced in the 2018 IMC. Major Scope Changes and More in Standard 62.1-2016

    First published in 1973 as Standard 62, Standard 62.1 specifies minimum ventilation rates and other measures for new and existing buildings that are intended to provide indoor air quality that is acceptable to human occupants and that minimizes adverse health effects.

    Whereas changes to the 2013 edition of the standard primarily focused on usability and clarity, the 2016 edition includes a major change to the scope of the standard by which residential occupancies are moved from Standard 62.1 to Standard 62.2. Dwelling units are now addressed in Standard 62.2, regardless of building height, while common areas are addressed by Standard 62.1. Other changes to the 2016 edition include the following:

    • A revised definition of "environmental tobacco smoke" (ETS) to include emissions from electronic smoking devices and the smoking of cannabis
    • Revised operations and maintenance requirements to better align Standard 62.1 with the requirements in ASHRAE/ACCA Standard 180-2012
    • New requirements to the Indoor Air Quality Procedure for determining minimum ventilation rates by considering the combined effects of multiple contaminants of concern on individual organ systems
    • A change to allow ventilation to be reduced to zero through the use of occupancy sensors for spaces of selected occupancy types
    • Changes related to demand control ventilation to make clear that the standard is intended to be used for calculations for code review and also for physical operation
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    As low as: $89.00
  3. ANSI/ASHRAE/ASHE 180-2012 Ventilation of Healthcare Facilities cover image

    ANSI/ASHRAE/ASHE 180-2012 Ventilation of Healthcare Facilities (PDF Download)

    Referenced in 2015 IMC and 2018 IMC. A standard practice for inspection and maintenance of commercial HVAC systems to improve thermal comfort, energy efficiency, and indoor air quality is provided in the new, revised 2012 edition of ASHRAE/ACCA Standard 180.

    For the public good, it is essential that HVAC systems in all buildings support a high-quality indoor environment, and sustainability mandates that those conditions be maintained in as energy efficient a manner as possible. This standard establishes minimum HVAC inspection and maintenance requirements that preserve a system's ability to achieve acceptable thermal comfort, energy efficiency, and indoor air quality in commercial buildings. Without routine inspection and maintenance of system components, systems can be found operating outside their optimum performance parameters; often manufacturers' maintenance information applies only to their components, not the entire system. This standard considers each component separately as well as the integration of those components and the ways they interact. The provisions of this standard do not apply to single-family houses or multi-family structures of three or fewer stories above grade or to HVAC equipment and portions of building systems that primarily provide for industrial, manufacturing, or commercial processes.

    The 2012 edition combines Standard180-2008 and Addendum a to the 2008 edition. A thorough review of the standard resulted in improvements, revisions, and updates to the tables in Section 5 to eliminate duplication, add additional tasks, list equipment tables in alphabetical order for easier reference, and consolidate similar equipment where appropriate.

    Standard 180 was created in a collaborative effort between ASHRAE and Air Conditioning Contractors of America (ACCA). Its intent is to address the often inconsistent practices for inspecting and maintaining HVAC systems in commercial, institutional, and other buildings where the public may be exposed to the indoor environment.

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    As low as: $50.00
  4. ANSI/ASHRAE/ASHE 170-2013 Ventilation of Healthcare Facilities cover image

    ANSI/ASHRAE/ASHE 170-2013 Ventilation of Healthcare Facilities (PDF Download)

    Referenced in 2018 IMC. ANSI/ASHRAE/ASHE Standard 170 offers guidance, regulation, and mandates to designers of health care facilities. This revised 2013 edition incorporates 24 addenda issued since 2008. It reflects current trends in health care facility design and has been updated to reflect changes to health care design references such as the Guidelines for Design and Construction of Health Care Facilities, published by the Facility Guidelines Institute (FGI).

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    As low as: $62.00

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