2003 APRIL - Laserfiche WebLink

20.08.034 methods: 4.1 Wood boards of 5/8 inch (16 mm) net minimum thickness applied diagonally on studs spaced not over 24 inches (610 mm) on center. 4.2 Wood structural panel sheathing with a thickness not less than 5/16 inch (7.9 mm) for 16 inch (406 mm) stud spacing and not less than 3/8 inch (9.5 mm) for 24 inch (610 mm) stud spacing in accordance with Ta- bles 23-II-A-1 and 23-IV-D-1. 4.3 Fiberboard sheathing 4 foot by 8 foot (1219 mm by 2438 mm) panels not less than 1/2 inch (13 mm) thick applied vertically on studs spaced not over 16 inches (406 mm) on center when installed in accordance with Section 2315.6 and Table 23-II-J. 4.4 Particleboard wall sheathing panels where installed in accordance with Table 23-IV-D-2. (Ord. 1869 § 2, 2002; Ord. 1778 § 2, 1999) 20.08.038 Section 1629.4.2 Amended -Seismic Zone 4 Near-Source Factor: Section 1629.4.2 of the California Building Standards Code 2001 Edition (24 CCR), and including by reference the Uniform Building Code, is amended to read as follows: 1629.4.2. Seismic Zone 4 near- source factor. In Seismic Zone 4, each site shall be assigned anear- source factor in accordance with Table 16-S and the Seismic Source Type set forth in Table 16-U. The value of Na used in determining CQ need not exceed 1.1 for structures complying with all the following conditions: 1. The soil profile type is SA, Se, S~ or So. 2. p = 1.0. 3. Except in single-story structures, Group R, Division 3 and Group U, Division 1 Occupancies, moment frame systems designated as part of the lateral-force-resisting system shall be special moment-resisting frames. 4. The provisions in Sections 9.6a and 9.6b of AISC -Seismic Part 1 shall not apply, except for columns in one-story buildings or columns at the top story of multistory buildings. 5. None of the following structural irregularities is present: Type 1, 4 or 5 of Table 16-L, and Type 1 or 4 of Table 16-M. (Ord. 1869 § 2, 2002; Ord. 1778 § 2, 1999) 20.08.039 Section 1630.8.2.2 - Amended -Detailing Requirements In Seismic Zones 3 And 4: Section 1630.8.2.2 of the California Building Standards Code 2001 Edition (24 CCR), and including by reference the Uniform Building Code, is amended to read as follows: 1630.8.2.2 Detailing requirements in Seismic Zones 3 and 4. In Seis- mic Zones 3 and 4, elements support- ing discontinuous systems shall meet 700-5 (Pleasanton April 2003)