Shutdown activity @1200mm dia water line:  Observed following lapses: 1. Unsecured ladders  2. Edge protection measures inadequate 3. Worker's access/egress observed from Five different unsafe locations at their own risk. 4. Inadequate PPE's to Cutter operator like face shield & ear muff.  5. Fire extinguisher at location  6. No flagmen for Excavator working for task.
Hazard category: Unsafe access / egress