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Construction Safety Engineering

A practical engineering methodology for designing and managing construction so that hazards are eliminated or controlled at the design and planning stage rather than left to worker behavior on the job site.

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What it’s about

Construction has long been plagued by preventable deaths and injuries, and studies attribute roughly 60% of fatal construction accidents to faulty design or insufficient planning. Drawing on system-safety concepts pioneered in aerospace, the military, and the chemical industry, veteran safety engineer David MacCollum distills complex system-safety practice into five accessible principles: define the hazard's mode (dormant, armed, active), establish a rigorous standard of care, categorize the hazard into one of seven groups, apply a design-control hierarchy (eliminate, guard, safety factor, redundancy), and match the appropriate design improvement or appliance to the hazard, verified through reliability analysis. The book pairs this methodology with 50 real-world litigated case examples spanning cranes, equipment, universal hazards, access, construction types, and operations, showing engineers, construction managers, and safety professionals how to 'look upstream' and design hazards out before workers ever arrive. It argues that inherently safer design saves lives while lowering costs, and that engineers—not worker behavior modification—are the most valuable members of the management team for preventing loss.

The through-line

Who it’s for
A design engineer, construction manager, or safety professional who wants to build and manage job sites that are productive, cost-effective, and free of preventable injuries and deaths.
The problem
Construction sites are plagued by serious injuries, fatalities, property damage, and costly delays, many arising from hazards baked into faulty designs and plans. They feel burdened by being cast as mere enforcers of worker behavior, frustrated that injuries keep recurring, and uncertain how to prevent hazards they cannot always foresee.
The plan
  1. Define each hazard by its mode—dormant, armed, or active—to understand how injury occurs.
  2. Adopt a rigorous standard of care that makes designing out hazards a routine expectation.
  3. Categorize each hazard into one of seven source groups to make identification systematic.
  4. Apply the safe design hierarchy: eliminate, guard, add safety factors, add redundancy.
  5. Match each hazard to the appropriate design improvement or appliance using a hazard identification and prevention matrix, then verify with reliability analysis.
The payoff
Job sites with drastically fewer injuries, fatalities, and property losses. · Projects completed on schedule with higher productivity and lower total cost. · Engineers recognized as the most valuable members of the management team for saving lives while reducing costs.

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