Forensic Engineers and Consultants

Tag Archive: Door Interlock Switch Override; Vertical CNC Machining Center; Operator Blinded; Machine Set Up; Long Shank Tool Breaks; machining center; door hold safety override; installation; override the safety

  1. Uplift and Shear Restraint Techniques for Residential Structures in Hurricane Wind Zones

    Leave a Comment

    Hurricane and Tropical Storm strength wind forces can wreak havoc on wood-framed residential structures.  One of the primary hazards is the negative pressures which can develop on the exterior building envelope when the structure is subjected to the high encircling winds.  These negative pressures act like the suction of a giant vacuum on a dwelling’s roof diaphragm, which produces enormous uplift forces throughout the entire structure.  The leeward walls are also subjected to negative pressures, while the windward walls take the brunt of the positive wind pressures.  The uplift on the roof is caused by what the author dubs “the airplane wing effect”.  In other words, (more…)

  2. Uncontrolled Hazards and Risk Assessments — Part One

    Leave a Comment

    Machine equipment manufacturers are called upon to study potential risks of equipment before selling it in the marketplace. In addition, ANSI machine tool standards further address equipment hazards and risks that cannot be eliminated by design. In one case I investigated, the depth of that critical risk assessment became an important factor in a claim involving a machinist blinded while using a computer numerically controlled (CNC) machining center. (more…)

Type ofLoss

Not sure what you're looking for?
Browse All

Select Loss Category