1、Copyright 2012 by National Ski Areas Association . ANSI B77.1a-2012 Supplement to ANSI B77.1-2011 American National Standard for Passenger Ropeways Aerial Tramways, Aerial Lifts, Surface Lifts, Tows and Conveyors Safety Requirements Approved November 30, 2012 Secretariat: National Ski Areas Associat
2、ion Page 1 of 1 In 1.2.4.1, second paragraph in the last line, replace the words “Annexes A, D, and F.” with “Annexes A and D.” In 2.2.3(g), replace the reference “2.2.3.9” with “2.2.3.8”. In 4.1.2.5, third paragraph Normal Stop, replace the reference “see table 4-3” with “see table 4-4”. In 4.1.2.5
3、, forth paragraph Emergency Shutdown, replace the reference “see table 4-3” with “see table 4-4”. In 4 1 2 6 2, third, forth, and seventh paragraph, replace the reference “see table 4-3” with “see table 4-4”. Table 4-4 Design coefficient of friction . . . Change table title “Table 4-4” to “Table 4-5
4、”. Table 4-5 Minimum diameters of sheaves . . . Change table title “Table 4-5” to “Table 4-6”. In 4.1.2.8.2, last paragraph, last sentence; replace the reference “table 4-4” with “table 4-5”. In 4.1.2.8.3, first paragraph, replace the reference “table 4-5” with “table 4-6”. In 4.1.4.1.2, subclause t
5、itle, replace “with and” to “with an”. In 6.3.2.2(a), delete the wording “at the loading area”. In Annex C.1, delete first paragraph “Wire rope or strand used as tension members shall be specified by the designer”. In Annex D.1.2 second paragraph, replace “D-23” with “D-25”. In the Index, under “bra
6、kes/required devices” Change “Table 3-2” to “Table 3-3”, Change “Table 4-3” to “Table 4-4” In the Index, “stopping devises, required” Change “Table 3-2” to “Table 3-3”, Change “Table 4-2” to “Table 4-4” An American National Standard implies a consensus of those substantially concerned with its scope
7、 and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether he has approved the standard or not, from manufacturing, marketing, pur
8、chasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review and users are cautioned to obtain the latest editions. The American National Standards Institute does not develop standards and will in no circumstances giv
9、e an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. CAUTION NOTICE: This American National Standard may be revised or withdra
10、wn at any time. The procedures of the American National Standards Institute require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of approval. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
