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Chapter 1: Problem 5

Search online at http://www.osha.gov and print a copy of 29 CFR \(1910.212\), General requirements for all machines. With these requirements in mind, identify a machine you have used that had a machine guard to protect the operator or other person in the machine area from hazards. Sketch the machine and label the guarding device, power source, point of operation, and danger zone.

Short Answer

Expert verified
The machine selected for this task is a table saw since it fulfills all the safety requirements outlined in 29 CFR \(1910.212\), including having a machine guard. The power source is electric, the point of operation the saw blade and the danger zone around the blade and the area where cut material exits the saw. The machine guard covers the blade to protect from flying debris and accidental contact.

Step by step solution

01

Understand 29 CFR \(1910.212\)

First, navigate to www.osha.gov and search for 29 CFR \(1910.212\). This section lays out the general requirements for all machines to ensure safety. It's crucial to thoroughly read and understand these requirements as they serve as the criteria the machine selection is based on.
02

Select an Appropriate Machine

With the understanding of the requirements, select a machine that is used frequently and which has a machine guard for safety. The machine guard is a feature that is designed to protect the operator and others in the area from hazards such as flying debris, contact with moving parts, etc. An example here might be a table saw.
03

Sketch the Machine

In this step, sketch the selected machine emphasizing the machine guard, power source, point of operation and the danger zone. The sketch doesn't have to be overly detailed, as long as it clearly shows these elements the task is met.
04

Label the Sketch

Once the sketch is complete, label the parts clearly. The machine guard, power source, point of operation, and the danger zone should all be labeled.

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Most popular questions from this chapter

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An incident occurred resulting in a worker's hand being amputated in a machine called a "pallet notcher" that cuts notches in 2 in. \(\times 4\) in. lumber (boards), used to build pallets. The boards move on a conveyor to the notcher where they drop into a covered area about four feet long. The covered area houses two sets of staggered rotating knives. The boards go through the first set of knives, notching one end, then through the second set, which notches the opposite end. At the time of the accident, the worker was collecting the notched wood from the exit area of the machine. He was pulling the boards outward as they exited the machine. He felt something hit his fingertip, and when he pulled back, his hand had been removed near the wrist. Additional facts in this accident include: (a) Prior to the day of the accident, the employee had not been stationed at the incident pallet notcher. (b) The incident pallet notcher machine was not the employee's usual station. (c) The employee was working near the exit area of the notcher at the time of the accident. (d) The area where the boards exit the machine is approximately 7 in. high and 19 to 20 in. from the point of operation. This distance is easily reachable by an employee working at the machine exit. (OSHA report) (e) A piece of "hung" carpet located toward the exit of the machine hindered the visibility of the blades and allowed an employee to reach under it and access the blades. (f) The pallet notcher was not guarded to protect the employees from the point of operation. (OSHA report) (g) The employer knew that guarding was required and was aware that the pallet notcher was not guarded. (OSHA report) (h) The employee reportedly was not informed of the location of the blades for the incident machine. (i) At the time of the accident there was no warning label on the machine to alert the employee that a cutting blade was within his reach. (j) The employee was not instructed to use a pull stick to retrieve boards that do not exit the machine. (k) A "willful" citation (issued when the employer knowingly commits a violation) was proposed for a violation of \(1910.212(\mathrm{a})(3)\) (ii). (OSHA report) Search the OSHA regulations at http://www.osha.gov and specifically review the section 29 CFR 1910.212(a)(3)(ii). Write a paragraph relating this section to the above incident. Also, list ways in which this accident could have been prevented.
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