The unexpected or unintentional energization or start up of

The unexpected or unintentional energization or start up of machinery, or the release of stored energy, during servicing or maintenance of the machine can result in employee injury or death. Review the regulation 29 CFR 1910.147 entitled The control of hazardous energy (lockout/tagout) at and write a paragraph explaining the procedure of lockout/tagout for machines or equipment. Design a danger sign and a caution sign for a power press. For specifications search online at for 29 CFR 1910.145 entitled Specifications for accident prevention signs and tags. Describe the difference between a danger sign and a caution sign. When is the signal word \"Warning\" used? From your own experience and observation, describe briefly (perhaps one or two typed pages, double-spaced) a specific example of mechanical engineering design that you regard as excellent from a safety, ecological, and sociological standpoint. (Preferably, choose an example reflecting your own observation and consciousness rather than one featured in the news media.) Your write-up should reflect the professional appearance expected of an engineer. Use illustrations if and where appropriate.

Solution

1.12D

Notify Production Supervisor and ALL affected personnel. After doing it, if running, shut down the equipment as trained. If you are not sure how, check with your supervisor. Lock and Tag the equipment out at the “Knife Drives Cabinet’’, located across from the knife on the north wall, following the lockout procedure. Caution, the complete live roll section must also be locked out. refer to the specific lockout procedures for that equipment. Test the equipment at the Knife control panel.

After all the previous steps have been completed, begin your work assignment. After the completion of the work assignment, assure that the work area is clean. Notify the Production Supervisor and all affected personnel that the equipment is operational and that removal of lock out will occur.

Remove all locks and tags following the lockout procedure. When production is ready, verify that the equipment is operating correctly. When Production is ready, verify that equipment is operating correctly. Close out any applicable permits and return them to your supervisor

1.13D

Danger: Indicates a hazardous situation if not avoided, will result in death or serious injury. The signal word \"Danger\" is to be limited to the most extreme situations.

•   Warning: Indicates a hazardous situation, if not avoided, could result in serious injury and rarely death. WARNING sign should not be used for property damage hazards unless personal injury risk appropriate to this level is also involved.

•   Caution: Indicates a hazardous situation, if not avoided, could result in minor or moderate injury. CAUTION sign without a safety alert symbol may be used to alert against unsafe practices that can result in property damage only.

1.14D

Safety

Personnel safety is a consideration that engineers have always kept in mind but now demands increasing emphasis. The important first step in developing engineering competence in the safety area is cultivating an awareness of its importance. But none of these individuals can contribute directly to the safety of a product; they can only underscore the urgency of giving appropriate emphasis to safety in the engineering development of a product. It is the engineer who must carry out the development of safe products.

Ecological:

Ecological and health considerations must be taken into account when choosing a coating material and coating process. For example, cadmium in the human body can pose serious danger. Cadmium plating of steel parts has long been extensively used to provide corrosion resistance. Large quantities of spent fluids of high cadmium content are a by-product of cadmium electroplating. Disposal of this waste without polluting water or soil is a problem. The development of safe processes for cadmium coating thus becomes an important scientific and engineering challenge.