Job Hazard Analysis

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General Contractor


 

Pre-qualifications in Health and Safety

 

Lagging Indicators:

  • Low OSHA incident rates
  • Low Experience Modification Rates (EMRs)

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OSHA

Leading indicators:

  • Number of safety inspections conducted
  • Number of safety meetings conducted
  • Number of corrective actions implemented
  • Number of safety observations
  • Number of training sessions conducted
  • Number of near misses reported
  • Implementation of action plans resulting from audit findings
  • Number of Job Site Analyses (JSAs) completed for critical activities and complex tasks

 

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Training Session

 


 

Health and Safety Plans 

 

Health and Safety Plans should address:

  • Materials delivery and storage
  • Material handling
  • Construction equipment in shared work areas
  • Safety equipment in shared work areas
  • Onsite first aid and medical treatment facilities
  • Inclement weather protection
  • Access and egress routes
  • Vehicular access control
  • Walkways and pedestrian sheds
  • Housekeeping
  • Incident reporting
  • Unsafe condition reporting
  • Communication
  • Emergency action plan
  • Chemical use and storage
  • Illumination
  • Public exposure protection
  • Potentially hazardous adjacent operations
  • Any other special hazards
  • Upcoming complex tasks
  • Identification of overhead and underground utilities
  • Introduction of new contractors
  • Crane placement and movement
  • Construction equipment and vehicle traffic patterns involving pedestrians
  • Construction equipment and vehicle traffic pattern changes
  • Use and maintenance of engineering controls
  • Lockout / Tagout requirements
  • Training

 

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Material Storage

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Onsite First Aid

 


 

Communication

 

Team members include:

  • In-house management, estimators, project managers, foreman, supervisors, and workers
  • Other employers on the worksite
  • Fabrication shops
  • Client

 

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Fabrication Shop

 


 

Complex Tasks

 

Complex tasks (Sheet Metal / HVAC):

  • Excavations
  • Demolition
  • Confined space entry
  • Specialized work areas (hospitals, laboratories, etc.)
  • Complicated fall protection requirements
  • Hazardous substance abatement
  • Critical lifts (cranes and helicopters)

 

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Confined Space Entry

 


 

Identifying Complex Tasks / Hazards 

 

Identify complex tasks and associated hazards using:

  • Jobsite tours
  • Contract documents
  • Project schedules
  • Site assessments
  • Drawings
  • Plans
  • Building information models
  • Project specifications

 

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Building Drawings

 


 

JHA Breakdown (Hanging Duct) 

 

JHA Breakdown for Hanging Duct:

  • Project = Renovate hospital
  • Process = Replace ductwork
  • Job = Hanging new ductwork
  • Task = Unloading of ductwork

 


 

Job in the Trade that Require a JHA 

 

Jobs that require a JHA include:

  • Jobs with the highest injury or illness rates
  • Potentially hazardous tasks
  • Jobs in which one simple human error could lead to a severe accident or injury
  • Jobs that are new to the operation, non-routine tasks, or for tasks that have undergone changes in processes and procedures
  • Jobs complex enough to require written instructions
  • Jobs that involve the use of new equipment or technology
  • Complex tasks

 


 

Potentially Hazardous and Complex Tasks 

 

Identifying potentially hazardous and complex tasks:

  • Introduction of new contractors and new employees
  • Potential changes to the project’s work environment
  • Changes to the project’s communication plans
  • Crane (or cranes) onsite
  • Construction equipment and vehicle traffic patterns
  • Special equipment and materials delivery and use
  • Hazardous substances
  • Energized electrical conductors and overhead power lines
  • Substantive changes to project plans
  • Chemical use, storage and disposal
  • Lockout / Tagout requirements
  • Contingency plans for emergency rescues and evacuations
  • Confined space entries
  • Demolitions
  • Elevated work

 

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Cranes

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Hazardous Substances

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Lockout / Tagout