Section 513C — DETAILED SYSTEM DESIGN REQUIREMENTS
513C.9 Truss and Beam Supports.
San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco
513C.9 Truss and Beam Supports. Where trusses and beams, other than rafters or joists, are supported on masonry, independent secondary columns shall be installed to support vertical loads of the roof or floor members.