James O

@jamessmath4

Fire Alarm Design and CAD Drafting

Stati Uniti

Inglese, Tedesco, Spagnolo

Alcune informazioni sono riportate in lingua inglese.

Chi sono

I provide professional fire alarm design, drafting, calculations, and drawing revision services. I specialize in fire alarm wiring schematics, riser diagrams, NFPA 72 documentation, SLC and loop calculations, battery sizing, voltage drop, NAC calculations, device schedules, zone plans, cause & effect matrices, and sequence of operations. I also handle retrofit projects, permit drawing revisions, plan corrections, AHJ comments, redlines, and existing-system modifications. Clear drawings, accurate documentation, and reliable communication.... Continua a leggere

Competenze