Unauthorized visitors enter the site after hours. What project control should be strengthened?
Correct Answer
D) Fencing, signage, gates, lighting, and access procedures.
Site security and public protection controls reduce unauthorized access hazards.
Why This Is the Correct Answer
Site security and public protection controls reduce unauthorized access hazards.
Why the Other Options Are Wrong
Option A: Limit access control after hours to the bid alternates form
The trap in A is The bid alternates form only. That selection is wrong because the option delays or omits the controlling step.
Option B: Base the access control after hours response on the final lien waiver only
Choice B gives The final lien waiver only. Its specific error: the action skips the timing, documentation, or field-control step needed for Access control after hours.
Option C: Treat the condition as requiring no control if no work is underway
Choice C (No control if no work is underway.) is rejected because the option does not produce the required Access control after hours outcome, Fencing, signage, gates, lighting, and access procedures.
Memory Technique
Use the phrase "problem, control, result" for access control after hours; the result side is Fencing, signage, gates, lighting, and access procedures.
Reference Hint
Open Construction Jobsite Management, 5th Ed. (2024); use by topic index - site logistics / temporary facilities / public protection to confirm that Site security and public protection controls reduce unauthorized access hazards.
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