11/22/2017
Pre Action System
• Tree Sprinkler System ▫ 50% of all systems • Office Spaces • Pressure dies at end • Usually large pipe sizes ▫ Will need pump
• Dry System • Smoke Detector and Air Compressor • Smoke Detector: ▫ Provides time for response action ▫ Fire not contained then sprinklers kick in • Shunt Valve
Early Suppression Fast Response System (ESFR) • Used in warehouse with high storage • Sprays 150 gals per minute • Design uses 12 sprinklers at 50 psi – 75 psi • Sensitive to obstructions:
• Loop System • Constant supply of water • Pipe sizes smaller ▫ Branch lines: 1 in – 2in
▫ Overhead steel ▫ Cross bracing ▫ Wind bracing ▫ Lighting fixtures ▫ HVAC systems and ductwork
Design of Systems
• Grid System ▫ Usually for warehouses ▫ Large open spaces
• Supply Main • Floating Main
Tree Loop Grid
19
Return to Table of Contents
Made with FlippingBook flipbook maker