What is the specification for main fire system hose at LNG facilities?

The specification for the main fire system hose at LNG facilities being 1 ½ inches or more in diameter is rooted in ensuring adequate flow rates and pressure for effective fire suppression. LNG facilities deal with highly flammable materials, which necessitate robust firefighting capabilities.

Hoses with a diameter of 1 ½ inches are designed to deliver sufficient water flow to combat fires in a fast and effective manner. This diameter strikes a balance between maneuverability, ease of handling, and the ability to provide the necessary water volume and pressure required during an emergency. Inadequate diameter hoses could restrict water flow, compromising firefighting efforts.

The other options represent hose sizes that are either too small or unnecessarily large for typical firefighting scenarios. A 1 inch diameter hose would not be sufficient for the volumes needed in high-risk environments like LNG facilities. A 2 inch or 3 inch diameter hose may be used for special circumstances or specific applications but go beyond the primary specifications needed for the main fire system, making them less practical for standard firefighting use at these facilities.