What is a soft patch primarily used for?

A soft patch is primarily used for emergency repairs on low pressure piping systems. This technique involves temporarily sealing leaks or breaches in pipes that carry fluids under lower pressure, allowing the system to remain operational while a more permanent repair is arranged.

Soft patches are constructed using materials such as rubber or other pliable substances that can conform to the surface of the damaged pipe, effectively stopping leaks without requiring extensive tools or equipment. This is particularly advantageous in emergency situations where immediate action is needed to prevent further damage or loss of fluid.

In contrast, high pressure piping systems require different repair approaches due to the risks involved with handling fluids under higher pressure. Permanent repairs typically involve welding or replacement of sections of piping, and structural reinforcement requires methods that add strength rather than just sealing leaks. Thus, soft patches are specifically designed for low pressure applications, making them a crucial part of emergency damage control practices.