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Ventilation of Health Care Facilities
ASHRAE 170 INT 9
Year: 2020
Abstract: This request for interpretation refers to the requirements in ANSI/ASHRAE/ASHE Standard 170-2017, Section 7.4.1a and Note o to Table 7.1, regarding operating room maximum velocity of diffuser.
Section 7.4.1a specifies an average diffuser velocity (for a primary supply diffuser array) between 25 to 35 cfm/ft2.
Is 35 cfm/ft2 the maximum allowed average?
Table 7.1
Note o allows the designer to exceed the minimum indicated ranges and distribution methods.
35 cfm/ft2 is not the maximum velocity for a primary supply diffuser array, and the designer is allowed to increase that velocity above the minimum requirement
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Statistics
Ventilation of Health Care Facilities
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| contributor author | ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. | |
| date accessioned | 2020-08-03T11:59:59Z | |
| date available | 2020-08-03T11:59:59Z | |
| date issued | 2020 | |
| identifier other | WNTPMGAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std;query=autho162/handle/yse/280686 | |
| description abstract | This request for interpretation refers to the requirements in ANSI/ASHRAE/ASHE Standard 170-2017, Section 7.4.1a and Note o to Table 7.1, regarding operating room maximum velocity of diffuser. Section 7.4.1a specifies an average diffuser velocity (for a primary supply diffuser array) between 25 to 35 cfm/ft2. Is 35 cfm/ft2 the maximum allowed average? Table 7.1 Note o allows the designer to exceed the minimum indicated ranges and distribution methods. 35 cfm/ft2 is not the maximum velocity for a primary supply diffuser array, and the designer is allowed to increase that velocity above the minimum requirement | |
| language | English | |
| title | Ventilation of Health Care Facilities | en |
| title | ASHRAE 170 INT 9 | num |
| type | standard | |
| page | 1 | |
| status | Active | |
| tree | ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.:;2020 | |
| contenttype | fulltext |