OSH 4308 Columbia Southern Un

Instructions
Accident Causation and Investigation 

Prepare a project report using the attached  Unit VI Consulting Report template for your project, and complete the template based on the following information:

Part I: List the five most significant financial benefits for an organization to invest in a safety system or program.

Part II: Acme Construction is due for a workers’ compensation premium review and you have been asked to estimate the potential premiums for the coming year. You have 10 masonry employees (classification—5022) with a rate of $7.96; four plumbers (classification—5183) with a rate of $3.86); and two electricians (classification—5190) with a rate of $4.32. The total payroll for the three classifications are as follows:

  • 5022 masonry $416,000 (total annual payroll)
  • 5183 plumbers $208,000 (total annual payroll)
  • 5190 electricians $145,600 (total annual payroll)

The previous experience modification rate (EMR) was 1.0 because the company had only been in business for 3 years and the EMR is based on a 3-year rolling average. In those previous 3 years, your company had zero claims and you can anticipate that your company will have a reduction in the EMR to at least 0.90. However, you have not received notification of this new EMR, so base your overall premium calculations on an EMR of 1.0

Part III: Using the results from the 1.0 EMR premium estimate, calculate the rate to one of a 0.9 EMR and then a EMR 1.25 rating. Compare both of them to the previous EMR of 1.0 and show in a table as was depicted in the unit lesson.

Part IV: Provide a summary of the energy release theory of accident causation.

Part V: Explain the near-miss relationship as referenced in Figure 20.7 of your textbook in your own words.

Ensure you address all parts of the template. Your project should be at least three pages in length using the above template. Make sure you show your equations and all work for determining answers for Parts II and Parts III in the project template. 

OSH 4308 Columbia Southern Un

Instructions
Recommendations for Controlling Hazards

As the environmental health and safety (EHS) manager, you have been asked to evaluate an existing operation to determine employee’s current exposure to hexane, which is a chemical used in painting processes.

You are to complete an evaluation of the employee’s current exposure by determining the employee’s exposure to hexane (toxic contaminant) by calculating time-weighted average (TWA) and compare it to the permissible exposure limit (PEL) and modify the PEL, if necessary. If it is necessary to modify the PEL, explain the reasoning why it is to be modified. Once the current exposure has been determined, select the appropriate ventilation system between dilution and local exhaust that is the best choice to control the concentration of the contamination. Ensure that you provide the reasons why you think your selection of ventilation system is the best choice. You are to provide the results in a three-page project report using the  Unit III Consulting Report template .

Scenario

An employee working in a room measuring 15 ft x 20 ft x 15 ft sprays paint assembly parts using a paint containing hexane. The PEL for hexane is 500 ppm. The employee wears a half-face, air-purifying respirator, but management would like to install engineering control measures to reduce or eliminate the employee’s exposure to hexane. The options are to:

(1) install a dilution ventilation system, or
(2) install a local exhaust ventilation system.

The employee works a 9-hour shift and has the following exposures:

For the general dilution ventilation system to work, there must be at least 20 room air changes per hour. The fan which supplies air to this area produces 1,500 cubic feet per minute (cfm) (Q).

In order for the local exhaust ventilation system to remove the contaminant to acceptable concentrations, the capture velocity must be at least 140 feet per minute (fpm). The proposed local exhaust system ventilation system uses a 1.0 feet diameter duct and a fan that provides a total volume of 1,275 cubic feet per minute (cfm). The source of the contamination is located 1.5 feet from the opening of the duct. Determine the appropriate ventilation control and calculate the capture velocity.

Complete your project by following the Unit III Consulting Report template linked above. Ensure you show your equations and all work for determining answers for all three scenarios in the project document. You may either formulate the scenario equations using the Word equation formula toolbar or write out and solve your equations with answers on a separate paper. Then, take a screenshot of your work for each scenario using your phone or similar device and insert it as an image in the document. Make sure your image is clear and legible to read.

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