Sample Lesson Plan

Construction Training Program (10-hour)

Topic: Electrocution Hazards

Overview

The purpose of this lesson is to provide workers with information that will enable them to recognize common electrocution hazards at construction worksites.

Step 1: Planning the Lesson

• Instructional Materials.

1. PowerPoint presentation.

2. Instructor notes.

3. Other materials.

• Instructional Objectives.

1. Complete the required topics for the OSHA 10-hour course.

2. Complete and discuss the following topics

3. Present Electrocution Hazards to [number] participants.

4. Incorporate active participation in each lesson.

5. Provide a quiz or short evaluation at the end of the course.

6. Ensure feedback from participants at various points in the training.

• Guest Speakers/Presenters and Topics/Responsibilities.

Step 2: Presenting the Lesson

• Lesson Introduction.

Introductory remarks or transition from previous lesson.

• Learning Objectives/Outcomes.

1.  After completing this module, students will be able to:

  1. Identify common electrocution hazards
  2. Describe types of electrocution hazards
  3. Protect yourself from electrocution hazards

d.  Recognize employer requirements to protect workers from electrocution hazards

2.  What is the definition of an electrocution hazard?

  1. Electrocution results when a person is exposed to a lethal amount of electrical energy
  2. An electrical hazard can be defined as a serious workplace hazard that exposes workers to the following:
  3. Burns
  4. Electrocution
  5. Shock
  6. Arc Flash / Arc Blast
  7. Fire
  8. Explosion

3.  Discuss the major types of electrocution hazards.

  1. Contact with overhead power lines
  2. Contact with energized sources
  3. Improper use of extension and flexible cords

4.  Discuss various types of accidents and how they could have been prevented

Ex: A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. The ground wire was not attached on the male end of the cord's plug. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death.

5.  Discuss the primary methods to protect workers from electrocution hazards

  1. Maintain a safe distance from overhead power lines
  2. Use ground-fault circuit interrupters (GFCI)
  3. Inspect portable tools and extension cords
  4. Use power tools and equipment as designed
  5. Follow lockout/tagout procedures

6.  Discuss various tool safety tips when it comes to using power tools and equipment

  1. Never carry a tool by the cord
  2. Never yank the cord to disconnect it
  3. Keep cords away from heat, oil, and sharp edges
  4. Disconnect when not in use and when changing accessories such as blades and bits
  5. Avoid accidental starting. Do not hold fingers on the switch button while carrying a plugged-in tool
  6. Use gloves and appropriate footwear
  7. Store in dry a place when not using
  8. Don’t use in wet/damp environments
  9. Keep working areas well lit
  10. Ensure that cords do not cause a tripping hazard
  11. Remove damaged tools from use
  12. Use double-insulated tools

• Planned Activities, Discussion, or Participant Interaction

Step 3: Evaluating Student Learning and Instruction

• Lesson Evaluation and Comments.

.

References/Resources

California Department of Public Health:

http://www.cdph.ca.gov/programs/ohb-face/Pages/Publications.aspx

Construction Chart Book, Fourth Edition:

http://www.cpwr.com/rp-chartbook.html

http://www.elcosh.org/en/document/54/d000038/the-construction-chart-book-4th-edition.html

Construction Safety:

http://www.cdc.gov/niosh/topics/constructionsafety/

Controlling Electrical Hazards: http://www.osha.gov/Publications/osha3075.pdf

Electrical Safety: http://www.cdc.gov/niosh/topics/electrical/

Electrical Safety eTool:

http://www.osha.gov/SLTC/etools/construction/electrical_incidents/mainpage.html

Electrical Safety and Health Topics: http://www.osha.gov/SLTC/electrical/index.html

Electrical Safety Tips OSHA quick Card:

http://www.osha.gov/OshDoc/data_Hurricane_Facts/electrical_safety.pdf

Electrical Safety: Safety and Health for Electrical Trades Student Manual:

http://www.cdc.gov/niosh/docs/2009-113/default.html

Electrocutions During Work with Scaffolds Near Overhead Power Lines:

http://www.cdc.gov/niosh/91-110.html

Fatality Assessment and Control Evaluation (FACE) Program:

http://www.cdc.gov/niosh/face/

NFPA 70E: Standard for Electrical Safety in the Workplace®

http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=70E

NIOSH Electrical Safety Manual: http://www.cdc.gov/niosh/docs/2009-113/

NIOSH Face Reports: http://www.cdc.gov/niosh/face/stateface.html

Portable Generator Safety Tips OSHA Quick Card:

http://www.osha.gov/OshDoc/data_Hurricane_Facts/portable_generators.pdf

Preventing Fatalities of Workers Who Contact Electrical Energy: http://www.cdc.gov/niosh/87-103.html

Preventing Electrocutions Due to Damaged Receptacles and Connectors: http://www.cdc.gov/niosh/87-100.html

Using Portable Generators Safely. OSHA Fact Sheet:

http://www.osha.gov/OshDoc/data_Hurricane_Facts/portable_generator_safety.pdf

Working Safely with Electricity. OSHA Fact Sheet:

http://www.osha.gov/OshDoc/data_Hurricane_Facts/elect_safety.pdf