Section 1911 — EXISTING CONCRETE STRUCTURES [OSHPD 1R, 2 & 5] — 2025 California Building Code (Title 24, Part 2)

1911.1 Concrete Core Sampling. ¶

1911.1 Concrete Core Sampling. Where concrete cores are required to be taken for material property determination, cores shall be at least 4 inches (102 mm) in diameter. Cores as small as 2.75 inches (70 mm) in diameter may be allowed by the enforcement agency when reinforcement is closely spaced and the coarse aggregate does not exceed [3] / 4 inch (19 mm).

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height

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1911.2 Crack repair by epoxy injection. ¶

1911.2 Crack repair by epoxy injection. Crack Repair of concrete and masonry member by epoxy injection shall conform to all require- ments of ACI 548.15.

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1911.3 Concrete strengthening by externally bonded fiber reinforced polymer (FRP). ¶

1911.3 Concrete strengthening by externally bonded fiber reinforced polymer (FRP). Design and construction of externally bonded FRP systems for strengthening concrete structures shall be in accordance with ACI 440.2R. Exceptions: 1. Near-Surface Mounted (NSM) FRP bars shall not be permitted. 2. Strengthening of shear walls and diaphragms (including chords and collectors) shall be considered as an alternative system. Design capacities, reliability and serviceability of FRP materials shall be permitted to be established in accordance with ICC-ES AC 125. Minimum inspection requirements of FRP…

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use

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