Field notes · Dropped object prevention
Drop Hazard Safety
Practical guidance on keeping overhead hardware captive — crane maintenance, DROPS programs, and tethered fastener engineering.
Overhead Crane Safety: An Inspection Routine That Catches Loose Hardware
Standard crane inspections focus on hooks, ropes, and brakes. Loose fasteners cause drops between inspections. Here's a hardware-focused routine th...
Read articleThe DROPS Calculator: How Much Damage Can a Falling Bolt Really Do?
The DROPS calculator turns object weight and fall height into predicted consequence. Here's how to read it — and what it says about ordinary crane ...
Read articleSafety Wire vs. Tethered Bolts: Choosing Secondary Retention That Holds Up
Safety wire, thread lockers, lock nuts, and tethered bolts all fight loosening — but only some of them stop a drop. How to choose secondary retenti...
Read articleStruck-By Hazards: The Numbers Behind Falling Object Injuries
Struck-by incidents are one of OSHA's Fatal Four. Here's what the data says about falling object injuries across construction, energy, and industri...
Read articleDropped Object Prevention: A Practical Guide for Crane Operations
A practical, hierarchy-of-controls approach to dropped object prevention on overhead and mobile cranes — from engineering out the drop to inspectio...
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