How can Phase I operation be initiated?

The initiation of Phase I operations is designed to be controlled directly and effectively for safety and coordination purposes, especially in emergency situations. Manually operating a key-switch provides personnel with immediate control to start the operations, ensuring that they can activate the system without delay. This method is particularly crucial in times of crisis when rapid response is necessary.

While alternative options might suggest other methods of initiation, they lack the immediacy and security that a key-switch operation provides. For instance, the idea of using a mobile app introduces potential delays due to connectivity issues or the need for device accessibility. Similarly, relying on a dispatch command could be less efficient as it typically involves a communication step that may not be instant. The sprinkler system triggering Phase I automatically could lead to unnecessary activation in situations where manual oversight is required, potentially causing confusion and complicating the firefighting response. Therefore, the manual key-switch option is the most direct and reliable method for initiating Phase I operations.