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Ord02 2241
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Ord02 2241
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Last modified
10/11/2019 2:58:30 PM
Creation date
10/11/2019 2:58:26 PM
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CC Index
CC Index - Document Type
Ordinance
Agency Type
City Council
Date
12/2/2002
Description
ORDINANCE NO ORDINANCE REPEALING ARTICLES IV, V, VI, VII, VIII AND ARTICLE IX, DIVISIONS 1, 2 AND 3 OF CHAPTER 9 OF THE CODE OF THE CITY OF REDWOOD CITY; ADDING ARTICLES IV, V, VI, VII, VIII AND ARTICLE IX, DIVISIONS 1 AND 2 OF CHAPTER 9 TO THE CODE OF THE CITY OF REDWOOD CITY RELATING TO THE ESTABLISHMENT OF REGULATIONS AND STANDARDS FOR BUILDINGS AND STRUCTURES IN THE CITY OF REDWOOD CITY AND ADOPTING BY REFERENCE THE FOLLOWING CODES: "THE UNIFORM BUILDING CODE 1997 EDITION"; "THE UNIFORM BUILDING SECURITY CODE, 1997 EDITION"; "THE UNIFORM HOUSING CODE, 1997 EDITION"; "THE UNIFORM MECHANICAL CODE, 2000 EDITION"; "THE UNIFORM PLUMBING CODE, 2000 EDITION"; "THE UNIFORM ADMINISTRATIVE CODE PROVISIONS FOR THE NATIONAL ELECTRICAL CODE, 1996 EDITION"; "THE NATIONAL ELECTRICAL CODE, 1999 EDITION"; AND "THE UNIFORM CODE FOR BUILDING CONSERVATION, 1997 EDITION
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Section 1629.4.2 Seismic Zone 4 near-source factor. In Seismic Zone 4, each <br /> site shall be assigned a near source factor in accordance with Table 16-S and <br /> the Seismic Source Type set forth in Table 16-U. The value of Na used in <br /> determining Ca need not exceed 1.1 for structures complying with all the following <br /> conditions: <br /> <br /> 1. The soil profile type is SA, SB, Sc or SD. <br /> <br /> 2. p= 1.0. <br /> <br /> 3. Except in single-story structures, Group R, Division 3 and Group U, Division 1 <br /> Occupancies, moment frame systems designated as part of the lateral-force- <br /> resisting system shall be special moment-resisting frames. <br /> <br /> 4. The provisions in Sections 9.6a and 9.6b of AISC - Seismic Part 1 shall not <br /> apply, except for columns in one-story buildings or columns at the top story of <br /> multi-story buildings. <br /> <br /> 5. None of the following structural irregularities is present: Type 1, 4, or 5 of <br /> Table 16-L, and Type 1 or 4 of Table 16-M. <br /> <br /> Sec. 9.64 SECTION 1630.2.3.4 OF THE BUILDING CODE AMENDED: Section <br />1630.2.3.4 of the Building Code is hereby amended to read as follows: <br /> <br /> Section 1630.2.3.4 Horizontal Distribution. Diaphragms constructed of untopped <br /> steel decking or wood structural panels or similar light frame construction are <br /> permitted to be considered as flexible. <br /> <br /> Sec. 9.65 SECTION 1630.2.3 OF THE BUILDING CODE AMENDED: Section <br />1630.2.3 of the Building Code is hereby amended to add Section 1630.2.3.5 to read as <br />follows: <br /> <br /> Section 1630.2.3.5 Applicability. Sections 1630.1.2, 1630.1.3, 1630.2.2, 1630.5, <br /> 1630.9, 1630.10 and 1631 shall not apply when using the simplified procedure. <br /> <br />EXCEPTION: For buildings with relatively flexible structural systems, the Building <br />Official may require consideration of PA effects and drift in accordance with Sections <br />1630.1.3, 1630.9 and 1630.10. As shall be prepared using design seismic forces from <br />Section 1630.2.3.2. <br /> <br /> Sec. 9.66 SECTION 1630.4.2 OF THE BUILDING CODE AMENDED: Section <br />1630.4.2 of the Building Code is hereby amended to read as follows: <br /> <br /> Section 1630.4.2 Vertical Combinations. The value of R used in the design of any <br /> story shall be less than or equal to the value of R used in the given direction for <br /> the story above. <br /> <br />atty/Ord/Ord. 167 <br />102402 7 <br /> <br /> 2241 <br /> <br /> <br />
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