Which of the following must be present at the job site?

Having all necessary permits and licenses on site is crucial for compliance with legal regulations related to construction and environmental protection. These documents prove that the work being conducted meets local, state, and federal requirements.

A SWPP certificate must also be posted prominently at the job site as it demonstrates that the site adheres to the Stormwater Pollution Prevention Plan, ensuring measures are in place to prevent pollutants from degrading water quality. This certificate is a visible commitment to responsible management practices concerning stormwater.

Additionally, maintaining a visitor sign-in book is important for tracking who enters the site. This helps enhance safety and security, ensuring that anyone present is accounted for in case of an emergency.

The presence of all these components indicates a well-managed site that is not only focused on compliance and pollution prevention but also prioritizes safety and accountability. Thus, the inclusion of each element reflects a comprehensive approach to effective site management, reinforcing the importance of keeping such documentation readily accessible.