Anchor Bolt Size and Spacing UpCodes
The anchor bolt size and spacing shall be a minimum of 3 4 inch 19 mm in diameter at 32 inches 813 mm on center Where existing bolts are inadequate new steel plates bolted to the side of the foundation and nailed to the sill may be used such as an approved connector A405 2 1 Earthquake Hazard Reduction in Existing Woodframe