CHST CHST - Construction Health and Safety Technician Incident Investigation and Reporting Questions and Answers 3

Question 1

When using the 5 Whys technique during a construction incident investigation, what indicates that the root cause has been reached?

Accepted Answer

When the answer points to a process or system failure that can be corrected

Answer

When exactly five questions have been asked

Answer

When the investigator runs out of questions to ask

Answer

When a worker's unsafe act is identified

Question 2

An incident investigation reveals that a crane operator did not perform a pre-operation inspection. Applying the hierarchy of controls, which corrective action would be MOST effective?

Accepted Answer

Implement a digital lockout system that requires inspection completion before the crane can start

Answer

Retrain the crane operator on inspection procedures

Answer

Post a reminder sign near the crane controls

Answer

Issue a written warning to the operator

Question 3

According to OSHA regulations, which type of incident record must be maintained on the OSHA 300 Log?

Accepted Answer

Work-related injuries resulting in death, days away from work, restricted work, or medical treatment beyond first aid

Answer

All first aid cases treated on-site

Answer

Near-miss incidents reported by employees

Answer

Property damage incidents exceeding $1,000

Question 4

During a construction site incident investigation, what role does a near-miss reporting program play in preventing future incidents?

Accepted Answer

It identifies hazards and system weaknesses before they result in actual injuries

Answer

It replaces the need for formal incident investigations

Answer

It is only useful for OSHA compliance documentation

Answer

It assigns fault to workers who create unsafe conditions

Question 5

What is the PRIMARY difference between a direct cause and a contributing cause in an incident investigation?

Accepted Answer

The direct cause is the immediate event that caused the injury while contributing causes are underlying factors that allowed it to happen

Answer

Direct causes are always equipment failures while contributing causes are human errors

Answer

Contributing causes are more important than direct causes

Answer

Direct causes require corrective action but contributing causes do not

Question 6

A construction company experiences a trench collapse that injures two workers. The investigation should document which of the following FIRST?

Accepted Answer

The names and contact information of all witnesses, along with the physical conditions of the trench

Answer

The disciplinary history of the excavation crew

Answer

The cost estimate for project delays

Answer

The subcontractor's insurance coverage