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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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Sec. 9.61 SECTION 1612.3.1 OF THE BUILDING CODE AMENDED: Section <br />1612.3.1 of the Building Code is hereby amended to read as follows: <br /> <br /> Section 1612.3.1 Basic Load Combinations. Where allowable stress design <br /> (working stress design) is used, structures and all portions thereof shall resist the <br /> most critical effects resulting from the following combination of loads: <br /> <br /> O (12-7) <br /> D + L + (Lr or S) (12-8) <br /> D + (Wor EI1.4) (12-9) <br /> 0.9 + 0.75[L +(Lror S) + (Wor E/1.4)] (12-10) <br /> D + 0.75 [L +(Lror $) + (Wor El1.4)] (12-11) <br /> <br /> No increase in allowable stresses shall be used with these load combinations <br /> except as specifically permitted elsewhere in this code and the duration of load <br /> increase permitted in Division Ill of Chapter 23. <br /> <br /> Sec. 9.62 SECTION 1612.3.2 OF THE BUILDING CODE AMENDED: Section <br />1612.3.2 of the Building Code is hereby amended to read as follows: <br /> <br /> Section 1612.3.2 Alternate Basic Load Combinations. In lieu of the basic load <br /> combinations specified in Section 1612.3.1, structures and portions thereof shall <br /> be permitted to be designed for the most critical effects resulting from the <br /> following load combinations. When using these alternate basic load <br /> combinations, a one-third increase shall be permitted in allowable stresses for all <br /> combinations including W or E but not concurrent with the duration of load <br /> increase permitted in Division Ill of Chapter 23. <br /> <br /> D + L + (Lr or S) (12-12) <br /> D + L + (Wor El1.4) (12-13) <br /> D + L + W+ S/2 (12-14) <br /> D + L + S + WI2 (12-15) <br /> D + L + S + £11.4 (12-16) <br /> 0.9D + El1.4 (12-16-1) <br /> <br /> EXCEPTIONS: <br /> 1. Crane hook loads need not be combined with roof live load or with more than <br /> three fourths of the snow load or one half of the wind load. <br /> <br /> 2. Design snow loads of 30 psf (1.44 kN/m2) or less need not be combined with <br /> seismic loads. Where design snow loads exceed 30 psf (1.44 kN/m2), the design <br /> snow load shall be included with seismic loads, but may be reduced up to 75 <br /> percent where consideration of siting, configuration and load duration warrant <br /> when approved by the Building Official. <br /> <br /> Sec. 9.63 SECTION 1629.4.2 OF THE BUILDING CODE AMENDED: Section <br />1629.4.2 of the Building Code is hereby amended to read as follows: <br /> <br />Atty/Ord/Ord,167 <br />102402 6 <br /> <br /> <br />
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