DIAMETRELOR CONDUCTELOR PE TRASEUL DE ALIMENTARE A ARIEI DE DECLANȘARE SIMULTANĂ UTILIZÂND EPANET PENTRU O CLĂDIRE DE PRODUSE FARMACEUTICE
DETERMINATION OF PIPE DIAMETERS ON THE SUPPLY ROUTE OF THE SIMULTANEOUS RELEASE AREA USING EPANET FOR A PHARMACEUTICAL PRODUCTS BUILDING

Summary/Abstract: This paper focuses on determining the appropriate pipe diameters within the water supply network of an automatic sprinkler fire protection system, designed for a pharmaceutical production facility, using the hydraulic simulation software EPANET. The simultaneous release area was modeled through a virtual network, imported from AutoCAD using the EPACAD application, and hydraulic properties were assigned to each component (pipes, nodes, reservoir). Sprinkler heads were simulated using the “emitter coefficient”, equivalent to the K-factor used in standard sprinkler design. The system was calibrated by adjusting pipe diameters to meet the minimum flow and pressure requirements specified by Romanian Fire Safety Norm P118/2-2013. Simulation results showed that by reducing the secondary pipe diameter, the flow at the hydraulically most disadvantaged sprinkler head reached the target value of 1.33 l/s, and the pressure complied with the minimum required value of 0.35 bar. The study highlights EPANET’s capability in designing and validating automatic sprinkler systems, offering a technically sound and regulation-compliant solution for fire safety engineering.

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