Tobacco Documents Online

C LAWRENCE G. SPIELVOGEL, INC. CONSULTING ENGINEERS W'YN COTE HO U9 E • WYNCOTE, PENN SY LVAN IA 19095 June 27, 1980 Mr. J. Barrie Graham Manager of Standards ASHRAE 345 E. 47th Street New York, N.Y. 10017 Re: ASHRAE Standard 62-73 R Dear Barrie: 2 1 5- 8 B 7- 5 6 0 0 Following please find my comments on the above draft revised Stand- ard. In 5.1 a suggestion is made that provision for air flow measurement should be included. Such a broad sweeping statement needs further clarification by suggesting the techniques to be used and the manner in which those techniques should be applied. Otherwise, all one would need to do is to punch a hole in the duct work and comply with the suggestion. In 5.7 the requirement that combustion air supply rate be demonstra- ble is not very practical, especially in housing. Even with the minimum amount of infiltration found in housing, more than adequate infiltration air exists to provide for proper venting. In Table 3 the difference in outdoor air requirements for smoking and no smoking is not consistent or uniform and does not have any technical or experimental support. Moreover, it is implied that either all persons are smoking or are not smoking, without any guid- ance as to the possible or probable percentage of each. Also in Table 3 the outdoor air requirements for residential facil- ities do not discriminate among smoking and non-smoking and there- fore contradict the approach to Table 3. In general this Standard has become substantially more comp lex and non-specific when compared with the previous version. While the previous version was readily referenced in Energy Conservation Stand- ards, it is serious doubted whether the complexity introduced in this revision warrants consideration of adoption in future Energy Conservation Standards since the complexities are typically beyond the comprehension of the average practitioner and Building Code official. p Very truly yours, ~ ~ C11. \y r, L. G. Spielvogel, P.E. N W LGS:bhs