Which concept allows sprinklers to be omitted in specified areas?

Which concept allows sprinklers to be omitted in specified areas?

• A. Satisfactory Performance
• B. Omissions from Areas
• C. Test Results
• D. Special Sprinklers

Answer: (B)

Omitting sprinklers from specified areas is a design allowance in NFPA 13R. It lets certain defined areas be left without sprinkler protection when those areas present low risk or are adequately separated by fire barriers, provided the rest of the system is designed to meet the required protection and hydraulic performance. This keeps safety intact while reducing the number of sprinklers installed, as long as the omitted areas are explicitly allowed by the standard and the overall design still ensures adequate coverage and water supply for the protected spaces. Other concepts don’t describe this design flexibility: satisfactory performance refers to how the system or components meet performance criteria, test results relate to proving performance, and special sprinklers involve using different sprinkler types in specific areas.

Omitting sprinklers from specified areas is a design allowance in NFPA 13R. It lets certain defined areas be left without sprinkler protection when those areas present low risk or are adequately separated by fire barriers, provided the rest of the system is designed to meet the required protection and hydraulic performance. This keeps safety intact while reducing the number of sprinklers installed, as long as the omitted areas are explicitly allowed by the standard and the overall design still ensures adequate coverage and water supply for the protected spaces.

Other concepts don’t describe this design flexibility: satisfactory performance refers to how the system or components meet performance criteria, test results relate to proving performance, and special sprinklers involve using different sprinkler types in specific areas.