(3)AR 030309 2nd reading of O-01-09

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2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ITEM #3 ORDINANCE NO. 0-01-09 AN ORDINANCE OF THE CITY OF COLTON, OF THE STATE OF CALIFORNIA, ADDING A NEW CHAPTER 15.54 TO TITLE 15 OF THE MUNICIPAL CODE, RELATING TO REPAIR OF DAMAGED STRUCTURES. The City Council of the City of Colton, State of California, ordains as follows: Chapter 15.54 is hereby added to Title 15 of the City of Colton Municipal Code, to read: "Section 15.54.010 Adoption and Intent This chapter establishes regulations as amendments to the building code for the expeditious repair of damaged structures. In the event an amendment to the California Building Standards Code results in differences between these building standards and the California Building Standards Code, the text of these building standards shall govern. In accordance with California Health and Safety Code Section 17958.7, express findings that modifications to the California Building Standards Code are reasonably necessary because of local climatic, geological or topographical conditions are either already on file with the California Building Standards Commission, or will be filed prior to the effective date of the ordinance codified in this Article. In accordance with California Government Code Section 50022.6, at least one true copy of the California Building Code has been on file with the City Clerk since fifteen (15) days prior to enactment of the ordinance codified in this Article. While this Article is in force, a true copy of this Chapter shall be kept for public inspection in the office of the City Clerk. A reasonable supply of this Chapter shall be available in the office of the City Clerk for public purchase. Section 15.54.020 Definitions For the purposes of this chapter, the following definition applies and is hereby added to Section 3402.1 Definitions of the 2007 California Building Code (CBC): Substantial Structural Damage. A condition where: 1. In any story, the vertical elements of the lateral -force -resisting system, have suffered damage such that the lateral load -carrying capacity of the structure in any direction has been reduced by more than 20 percent from its pre -damaged condition, or 2. The capacity of any vertical gravity load -carrying component, or any group of such components, that supports more than 30 percent of the total area of the structure's floor(s) and roof(s) has been reduced more than 20 percent from its pre -damaged condition, and the remaining capacity of such affected elements with respect to all dead and live loads is less than 75 percent of that required by the building code for new buildings of similar structure, purpose, and location. Section 15.54.030 Repairs For the purposes of this chapter, the following repair requirements are hereby added as a new Subsection 3403.5 to Section 3403 Additions, Alterations or Repair in the 2007 California Building Code (CBC): 3403.5.1 Repairs. Repairs of structural elements shall comply with this section. 3403.5.1.1 Seismic evaluation and design. Seismic evaluation and design of an existing building and its components shall be based on the following criteria.