What Is Risk Assessment? Essential Step for Construction Site Safety Management

What Is Construction Site Risk Assessment?

The First Step to Reduce Hazards at the Site

Construction sites are high-risk workplaces with various dangers such as falls, collapses, tipping over, electric shocks, and crushing hazards. To identify and control these risks in advance, a risk assessment is conducted.

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🔍 What Is Risk Assessment?

“Risk assessment is the process of identifying potential hazards in the workplace, evaluating the degree of risk they pose, and establishing appropriate measures to control or eliminate them.”

— Occupational Safety and Health Act, Article 36( Korean standards)

 

In other words, risk assessment is a safety management procedure that involves:

• Discovering hazards →
• Evaluating how dangerous they are →
• Preparing and implementing improvement measures.

The business owner is responsible for identifying harmful and risky factors, evaluating their level of risk, and taking appropriate actions to reduce these risks.

Risk assessment is overseen by the employer and involves site supervisors, workers, and contractors. The results must be shared with everyone on site through safety checks and meetings before work begins.

All members collaborate to identify hazards and share both the findings and the improvements made!

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📂 Why Is Risk Assessment Important on Construction Sites?

• It is a legal obligation (Occupational Safety and Health Act, Articles 36–37). ( Korean standards)
• It is a mandatory document before starting work (submitted with the work plan).
• Prevents worker accidents.
• Clarifies responsibility in case of industrial accidents.
• Can be used as a scoring factor in public construction project pre-qualification (PQ) evaluations.

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🛠️ The 5-Step Risk Assessment Process

① Task Analysis	Divide the work into processes and steps	Formwork installation, rebar tying
② Hazard Identification	Identify hazards for each step	Falls, falling objects, crushing
③ Risk Evaluation	Assess likelihood and severity of accidents	High, medium, low risk classification
④ Control Measures	Develop actions to reduce risks	Install safety railings, provide PPE
⑤ Documentation & Implementation	Document results and apply during work	Risk assessment forms, training materials

 

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📑 Typical Risk Assessment Table Components

Category	Example
Work Type	Concrete pouring
Task	Formwork installation
Hazards	Falls, crushing
Risk Level	Medium risk
Control Measures	Safety railings, TBM training
Responsible Person	Construction foreman, safety manager

 

Other important risk evaluations include:

• Work sequence hazards
• Material-related hazards
• Machinery and equipment hazards
• Chemical hazards
• Work zone hazards
• Auxiliary facility hazards

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📌 Practical Tips

• Conduct pre-work training linked with Tool Box Meetings (TBM).
• Reassess risks when work changes or accidents occur.
• Refer to standard risk assessment tables for each construction type to ease documentation.
• Use forms provided by Korea Occupational Safety and Health Agency (KOSHA).

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👉This article is an English version based on the original Korean text.

👉 Go to the original text (Korean version) : 원문(한국어 버전) 보러가기

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