How Does California Hospital (HCAI) Approval Work?

Structural plan review at HCAI goes beyond the lateral system. Reviewers check foundations, diaphragms, and collectors like any building department, then extend into the nonstructural components that define hospital performance: anchorage of mechanical and electrical equipment, bracing of piping and ductwork, and supports for ceilings and partitions in patient areas. Every component needed for the hospital to remain operational gets an engineered anchorage design with calculations, and the review confirms the anchorage matches the component's seismic demands. Field oversight matches the rigor of the review. An HCAI inspector of record is assigned to the project, special inspectors verify structural welding, bolting, concrete, and anchorage installation, and materials testing confirms strengths. Nonstructural installations get their own inspection protocols, because a perfectly anchored generator still fails if its fuel and electrical connections were not seismically detailed. The closeout package documents every inspection and test before the agency issues its approvals.

The SPC rating describes what the structure will do in a major earthquake, from SPC-1 buildings at risk of collapse or loss of function through SPC-5 buildings designed to remain operational. The rating is determined by evaluation against the agency's criteria, considering the structural system, its detailing, and its condition. Moving a building up the SPC scale typically means a structural retrofit, new lateral elements, foundation upgrades, or in some cases replacement, each permitted and inspected through HCAI. The NPC rating covers everything the structure supports: mechanical, electrical, and plumbing systems, medical gas, communications, and architectural components. NPC compliance is an anchorage and bracing program across the entire facility, and it is often the larger scope of work because it touches every department in the hospital. The 2030 deadline applies to both ratings for the remaining older acute-care buildings, so owners are sequencing structural and nonstructural upgrades together, phasing construction to keep the hospital running while the work proceeds.