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The property owner shall submit to the city within one year of the adoption of this chapter a structural en- gineering report. The purpose of this report is to estab- lish, by required tests, the strength of the mortar material holding the bricks or hollow clay blocks together. Such tests will reveal if the walls have proper attachment to the roof system and, in the case of multistory buildings, that the floor systems are also properly attached to the wall system. The tests are to be completed by a licensed engineer or architect. A property owner with a building which does not have a proper wall to roof or wall to floor attachment must complete the attachment within two years of the adoption of this chapter. B. Step 2: I. If the property owner desires to reinforce the existing building, the property owner is to submit plans to the city's building and safety division and planning departments. The property owner shall complete the repairs based on the classifications (Table A) within the time frame (Table B) of this section and based on the structural stability of the structural engineering report. To ensure that the work progresses in a timely manner, the property owner shall obtain a building permit at least one year prior to the last day of the time frame estab- lished by Table B of this section. Classification 11 111 IV Table A— Rating Classification Type of Building I lazardous building High risk building Medium risk building Low risk building Classification 11 111 IV Table B— Time Frame Based On Type Type Time Frame Hazardous or Immediately dangerous High risk 5 years Medium risk 7 years Low risk 10 years 2. If the building owner desires not to reinforce the building, the city's existing process for staff and city council review of a demolition permit shall apply. Each building shall be reviewed independently to determine its contribution to the downtown. All demolition permits for buildings downtown shall be reviewed by the city council to ensure that all alternatives have been ex- plored. C. Step 3: 857 20.52.060 If a property owner does not begin nor complete the required reinforcement within the applicable time frame, the building official shall have the authority to prohibit the occupancy of the building until the repairs have been completed. (Ord. 1869 § 14, 2002; Ord. 1563 § 1, 1992) 20.52.060 Scope. A. General. The provisions of this chapter, sub- ject to the limitations of subsections B and C of this sec- tion, shall apply to existing buildings having at least one unreinforced masonry bearing wall. Except as provided herein, all other provisions of the uniform building code shall apply. B. Hollow Concrete Block and Hollow Clay Tile Buildings. The provisions of this chapter are appli- cable to unreinforced masonry bearing wall one- or two - story buildings constructed of hollow concrete blocks or hollow clay tiles when it can be shown by testing that the block or tile units are of bearing type and the capac- ity of the wall in bearing and shear based on net area in contact through bed joints is not less than those allowed for solid bricks. Bonding shall also be verified to the satisfaction of the chief building official. C. Essential or Hazardous Facilities. This chap- ter does not apply to "essential facilities" and "hazard- ous facilities" as defined in Table 23 -K of the uniform building code. (Ord. 1869 § 14, 2002; Ord. 1563 § 1, 1992) 20.52.070 Responsibilities of property owners. A. Notification of Building Tenants. A property owner shall notify all tenants, in writing, that a structural investigation has been performed and that the report is available for review at the city Building and Safety Di- vision Office, 200 Old Bernal Avenue, Pleasanton, Cali- fornia. This notice shall be sent within 30 days of the date the structural engineering report is submitted to the city. (Ord. 1869 § 14, 2002; Ord. 1563 § 1, 1992) 20.52.080 Structural engineering reports. A. Preparation of Reports. A property owner shall employ a civil or structural engineer to perform the necessary investigation and analysis of an owner's building as set forth below. B. Purpose. The purpose of the report is to in- vestigate in a thorough and unambiguous fashion the building's structural systems that resist the forces im- posed by earthquakes and to determine if any individual portion or combination of these systems is inadequate to prevent a structural failure based on the criteria con- tained in Appendix B. (Pleasanton Supp. No. 3, I -I0)