9-2 POTENTIALLY HAZARDOUS UNREINFORCED MASONRY BUILDINGS.
9-2.1 Adoption of Appendix Chapter 1 of the Uniform Code for Building Conservation.
a. That certain Appendix Chapter 1 of the Uniform Code for Building Conversation, herein referred to as the Conservation Code, is hereby adopted and enacted as the standard for strengthening unreinforced masonry buildings constructed prior to the adoption of Lake County Ordinance No. 422 on October 2, 1961, and is made a part of this Chapter by reference with the same force and effect as if fully set forth herein.
b. The Appendix Chapter 1 of the Conservation Code is hereby modified as follows:
1. Section A102 is hereby deleted.
2. Section A103 is hereby deleted.
3. Section A105 is hereby deleted.
4. Subsection (a) of Section A106 is hereby amended to read as follows:
Analysis and Design
Every structure required to be analyzed either by ordinance or voluntarily shall be analyzed and constructed to resist minimum total lateral seismic forces assumed to act nonconcurrently in the direction of each of the main axes of the structure in accordance with the following equation:
V=ZIKCSW …………………………………………………… (A1-1)
The value of KCS need not exceed the values set forth in Table No. A1-A based on the seismic zone as determined by the Building Code. The value of Z shall be the value specified in Table A1-B. The I Factor shall be as specified in Table A1-C. The value of W shall be as set forth in the Building Code.
c. All references to the Building Code shall mean the latest edition of the Uniform Building Code as adopted by the City of Clearlake.
d. The City of Clearlake shall be considered in its entirety to be located in Seismic Zone 4. (Ord. #24-90, S1)