Change Analysis
Construction sites are highly dynamic — changes happen constantly (e.g., design revisions, unexpected site conditions, new equipment, personnel shifts, or scope changes).
Worksite Analysis
Construction worksite change analysis (also known as Management of Change or MOC in construction safety contexts) helps maintain safety by treating every significant change as a potential hazard source. It is a process to identify, evaluate, and control worksite hazards that may occur as a result of modifications or changes on a construction site. The primary goal is to anticipate and mitigate new or increased hazards before they cause incidents, rather than reacting after problems occur.
It differs from general construction change management which focuses more on contractual, cost, and schedule impacts of change orders. However, the two categories of MOC overlap when safety is involved.
Examples of categories to be analyzed include:
- Introduction of new equipment, tools, or machinery
- Changes in the site entrance and traffic routes/surfaces
- Changes in work procedures or sequences
- Modifications to site layout, excavations, scaffolding, or temporary structures
- Personnel changes (e.g., new subcontractors or crew members)
- Design or specification changes (change orders)
- Material substitutions
- Environmental condition shifts (weather, ground conditions)
- Process or workflow alterations
- Identify the Change — Clearly describe what is different from the original plan or baseline.
- Assess Impacts — Analyze potential effects on safety, health, schedule, cost, and operations. This includes hazard identification (new risks introduced or existing controls compromised).
- Evaluate Risks — Use tools like Job Hazard Analysis (JHA) to break down the changed task and identify controls.
- Develop Controls — Implement engineering controls, administrative controls, or PPE to eliminate or reduce hazards.
- Review and Approve — Competent persons (e.g., safety managers, supervisors) review the analysis before the change is implemented.
- Communicate and Train — Inform affected workers and provide necessary training.
- Monitor and Document — Track the change during implementation and review afterward to ensure effectiveness.
A designated person should analyze how changes on the worksite can affect equipment, processes, and materials for hazards and potential hazards. Findings should be documented and plans developed to minimize or design out the new hazards.
Knowledge Check Choose the best answer for the question.
3-8. Changes in the site entrance and traffic routes/surfaces should be analyzed as part of the _____ process.
You forgot to answer the question!