Remote Area Calculator for Fire Sprinkler Systems

Remote Area Calculator for Fire Sprinkler Systems

The remote area is a critical concept in hydraulic calculations for fire sprinkler systems. It represents the hydraulically most demanding area of the system, typically the area farthest from the water supply. This interactive tool helps you visualize and calculate remote areas for hydraulic analysis.

Imperial Metric

How to Use This Tool:

  1. Set the required remote area size and sprinkler spacing.
  2. Choose between rectangular or custom area selection.
  3. For rectangular selection: Click and drag to select an area.
  4. For custom selection: Click on individual sprinklers to select/deselect them.
  5. Enter the design density and click "Calculate Flow" to determine the required flow rate.

Remote Area Parameters

grid units
mm/min

Key Points About Remote Area Selection:

  • Definition: The remote area is the hydraulically most demanding area of the sprinkler system, typically the area farthest from the water supply.
  • Standard Sizes: NFPA 13 specifies different remote area sizes based on occupancy hazard classification (e.g., 1,500 ft² for Ordinary Hazard).
  • Shape Requirements: The remote area should be rectangular with a minimum dimension not less than 1.2 times the square root of the area.
  • Area Reduction: Remote area size can be reduced when using quick response sprinklers in certain occupancies.
  • Multiple Areas: In some cases, multiple remote areas may need to be analyzed to determine the most demanding scenario.
  • Design Flow: The total design flow is calculated by multiplying the remote area by the design density, plus any additional hose stream allowance.