A development code calls for that outside air air flow premiums agree to ASHRAE sixty two (latest version). A fashion designer has designed in line with ASHRAE 62-1989, multi-unit smoking-permitted eating places. For the consumer element of a restaurant having an occupancy of two hundred humans, the air flow fee is 2 hundred humans x 20 cfm/person = 4000 cfm. The clothier now has a task for an additional approximately exact eating place unit situated in a geographic sector coated via the aforementioned code. Addendum e got rid of the assertion from desk 2 that air flow premiums accommodate "a reasonable quantity of smoke". Now it really is doubtful even if the air flow fee approach of part 6.1 of ASHRAE normal 62-1999, using desk 2, can now be used to calculate air flow premiums for multi-unit smoking-permitted eating places.
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Additional resources for ASHRAE Standard 62-1999, Ventilation For Acceptable Indoor Air Quality
Mentzer, North American Insulation Manufacturers Association, 44 Canal Center Plaza, Suite 310, Alexandria, VA 22314. The original request for interpretation was received from William S. , Newcomb & Boyd, Consulting Engineers, One Northside 75, Atlanta, GA 30318-7761. References. 12. Background. The questions in Mr. Ostrander’s April 2, 1991 letter relate to the control of microorganisms in ventilation systems. His letter is quoted below. The Interpretation Committee responses to specific questions follow.
1a above expresses the intent of Standard 62-1989. Question 1. Is interpretation No. 1-A correct? Answer 1. Yes Case 2. " 2-A (Creighton & Associates interpretation). The term "peak occupancies" allows more than one peak period of less than three hours duration over the operation time of the system. Examples; auditoriums, conference rooms, special use classrooms, concert halls, etc. 2-B (Alternative interpretation). Only one peak occupancy may be used within a twenty four hour period. Creighton & Associates believes that Interpretation No.
Is intermittent exhaust permissible in restrooms? Answer. Yes. " Question 2. 1 mandatory or advisory? Answer. Advisory (should, or recommended), unless stated as mandatory (shall). : December 13, 1993 Request from: This reissued interpretation incorporates changes to the caveat accompanying the answer to Question 1 and deletes the comment. It also incorporates editorial changes for clarification of the Background Section, the headings, and Comment (b) to Answer 3. This revised interpretation is intended to resolve comments received as a result of publication of the original interpretation in the October 1991 issue of the ASHRAE Journal.