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À propos de moi
Hi, I’m Johnson AAron Lee, a fire protection design professional with several years of hands-on experience in fire alarm and sprinkler design. I’ve completed projects across the US, including NFPA 72 fire alarm plans, shop drawings, riser diagrams, voltage drop and battery calculations, permit submittals, and NFPA 13 sprinkler designs with hydraulic calculations. I focus on accurate, practical drawings that help contractors and businesses move projects forward with confidence.... Plus d’infos