Non-Ductile Concrete Retrofit
Earthquake Safety
Mandatory retrofit programs for older non-ductile concrete buildings vulnerable to collapse, including LA's ordinance, compliance deadlines, and engineering standards.
Cities & Counties with Non-Ductile Concrete Retrofit Rules
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Other Earthquake Safety Topics
Soft-Story Retrofit
Mandatory retrofit requirements for multi-story buildings with weak first floors, including compliance deadlines, engineering standards, and cost responsibilities.
Foundation Anchoring
Requirements to bolt houses to their foundations and brace cripple walls, including which buildings are affected and available rebate programs.
Unreinforced Masonry
Retrofit requirements for older brick and masonry buildings that are vulnerable to earthquake damage, including compliance timelines and strengthening standards.
Seismic Gas Shutoff
Requirements for automatic earthquake gas shutoff valves on residential and commercial properties to prevent post-earthquake fires.
Wood-Frame Retrofit
Strengthening rules for older multi-unit wood-frame buildings beyond standard soft-story compliance, including shear-wall and tie-down requirements.
Steel Moment-Frame Retrofit
Retrofit requirements for pre-Northridge steel moment-frame buildings whose welded connections proved brittle in 1994, including identification and remediation programs.
Balcony Inspection Program
Periodic inspection of exterior balconies, decks, and elevated walkways under California SB-326 (HOAs) and SB-721 (apartment buildings).
Tilt-Up Concrete Retrofit
Retrofit requirements for tilt-up concrete buildings whose roof-to-wall connections often fail in earthquakes, including anchorage and continuity standards.