Underground (Private Fire Service Mains) is inspected and tested in accordance with NFPA 25 (Standard for the Inspection, Testing and Maintenance of Water-Based Fire Protection Systems) and local authority requirements.
![Underground Underground](https://www.desertfire.com/wp-content/uploads/2019/01/Underground_830x400px-1.jpg)
Underground (Private Fire Service Mains) is inspected and tested in accordance with NFPA 25 (Standard for the Inspection, Testing and Maintenance of Water-Based Fire Protection Systems) and local authority requirements.