James O

@jamessmath4

Fire Alarm Design and CAD Drafting

Vereinigte Staaten

Englisch, Deutsch, Spanisch

Einige Informationen werden in englischer Sprache angezeigt.

Über mich

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.... Mehr lesen

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