Observed a carpentry crew was working inside a deep excavation without adopting an adequate protective method such as sloping, benching or any other equivalent protective measures to prevent from excavation collapse.  Safe access also was not provided into the excavation. Work was temporarily suspended and briefed the risk involved. This issue was notified to the Contractor's senior management and advised to ensure no workers shall enter into the excavation until the proper corrective and preventive measures are implemented. Contractor safety person also was advised to closely monitor this activity and ensure safe work procedure of excavation is strictly followed on site.
Hazard category: Unsafe excavations