Principles, Standards and Implementation

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Safety Distance Calculation

Introduction Formula Directions of Approach Speed Constant Stopping Time Depth Penetration Factor
Reach Through Applications Single or Multiple Beams Distance Calculations Angled Approaches Safety Mats Examples
Safety Mats

With safety mats, the safety distance must take into account the operators pace and stride. Assuming the operator is walking and the safety mats are mounted on the floor. The operator’s first step onto the mat is a depth penetration factor of 1200 mm or 48 in. An example arrangement is shown in Figure 112.

Click to enlarge - Fig 5.6 Safety Mat on Floor
 
Figure 112: Safety Mat mounted on Floor

If the operator must step up onto a platform, then the depth penetration factor can be reduced by a factor of 40% of the height of the step (see Figure 113).

Click to enlarge - Fig 5.7 Step up Approach
 
Figure 113: Step Up to Safety Mat Mounted on a Platform