Although it may seem that problems can be solved by modifying existing tools, doing so can create grave danger to both the user and those working near-by. Tools should only be used for the purpose for which they were designed. If the tool is modified, an engineering review is required prior to using the modified tool to ensure that it will safely perform under multiple load conditions.
The C-clamps shown at right were modified with good intentions, but actually created a hazard.
In the top photo, the clamp on the left failed under load, causing the metal being clamped to suddenly be released.
The clamp shown in the bottom photo was identified and removed from the worksite before it could be used. Later examination indicated that it would have failed under the intended load.
It is imperative to establish and reinforce a policy that strictly prohibits tool modification without proper authorization, and creates the opportunity for employees to develop tools, jigs, and fixtures that are correctly engineered.
Shipfitters work in areas with exposed insulation pins that are capable of inflicting puncture wounds.
Depending on how quickly the insulation will be installed, either warning placards, plastic pin covers or bending the pins over may be used to reduce this danger.
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