Page 105 - Forensic Structural Engineering Handbook

Earthquake
Sections 712.0-716.0: no change from 1972 Section 718.0: based on ANSI A58.1-1972 Detailed design criteria • Seismic map of zones based on past earthquakes • Section 718.0: no change from 1975 Fifty-year mean recurrence wind velocity Section 916.0: moved from an appendix to code body, Sec
Wind Section 712.0-715.0: Based on ANSI A58.1-1972 • • Section 1112.0: requirements updated to ANSI A58.1-1982 Section 1112.0: no change from 1987 Section 1611.0: • • and cladding
Revisions to BOCA National Building Code, 1975–1993

Snow Based on ANSI A58.1-1972 Recurrence interval twenty five to one hundred years as a function of Snow drift provisions Section 711.0: no change from 1975 Section 911.0: no change from 1978 Section 911.0: no change from 1981 Section 1111.0: requirements updated to ANSI A58.1-1982 with modifi

Section 711.0: building use From McCluer.

TABLE 2.1 Code edition year 1975 • • • 1978 1981 1984 1987 1990 1993 Source:

2.11