What role does water source redundancy play in NFPA 13E considerations?

• A. Redundancy helps ensure continued water supply if one source is compromised, enhancing reliability.
• B. Redundancy is discouraged to simplify maintenance.
• C. Redundancy means installing more pumps but not piping.
• D. Redundancy only applies to municipal water mains.

Answer: (A)

Having multiple ways to supply water keeps the fire protection system working even if one part of the system fails. In NFPA 13E, which focuses on protecting existing occupancies, reliability of the water supply is crucial for life safety and ongoing protection. If a single source is compromised—such as a main going out of service, a pump failing, or a power issue—redundancy provides an alternate source or path so water can still reach the sprinklers or standpipes. This reduces the chance that a fire can outpace the supply and helps ensure the system remains functional during maintenance, outages, or other interruptions.

Redundancy isn’t about adding pumps without considering piping, and it isn’t limited to municipal mains. It also isn’t discouraged to simplify maintenance. Rather, it means having multiple sources or routes (such as an on-site storage, another water source, or an alternate pipe run) to maintain water supply.