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WACs > Title 296 > Chapter 296-806 > Section 296-806-45524











296-806-45522    

296-806-45526







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WAC 296-806-45524









Make sure two-hand trip devices used to safeguard the point of operation meet these requirements.









You must:
• Make sure presses requiring more than one operator:
– Have separate two-hand trips for each operator.
– Need concurrent application of all operators' controls to activate the slide.
• Make sure the two-hand trips are fixed in position and can be moved only by authorized persons.
• Make sure the controls are located farther from the point of operation than the minimum safety distance as determined by the following formula:
D = 63 x T
Where:
D = minimum safety distance (in inches)
T = the maximum time the press takes for the die to close after the press has been tripped (in seconds)

Example:
The number in the formula represents the hand speed of the operator (63 inches per second). If your press has a die closing time of one-half second (.5 second), the calculations would be:

 
D = 63 x .5 = 31.5

 
The trip devices would need to be at least 31 1/2 inches from the point of operation.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 04-14-028, § 296-806-45524, filed 6/29/04, effective 1/1/05.]