Subpart R: Steel Erection. 1926.752: Site layout/construction sequence — written notifications from controlling contractor re: anchor bolt locations, concrete curing. 1926.753: Hoisting and rigging — competent rigger, pre-shift crane inspection, multiple-lift rigging (Christmas treeing) rules. 1926.754: Structural steel assembly — column anchor bolts: min 4 per column, snug-tight before releasing crane. Column splices: min 2 bolts per connection before release. 1926.755: Column anchorage — repair/replace damaged anchor bolts only with approval. 1926.756: Beams and columns — double connections for safety, 2-bolt connections seated before release. 1926.757: Open web steel joists — field-bolted before hoisting next tier, erection bridging per SJI. 1926.760: Fall protection — connectors (those hooking/unhooking loads) must be protected at >15 ft with personal fall arrest or positioning device. Controlled Decking Zone (CDZ) max 3,000 sf, 90 ft perimeter for initial decking. All other steelworkers: standard 6 ft threshold with PFAS. 1926.759: Falling object protection — secure tools, bolt bags, safety nets or canopy for lower levels.