Start from the stage floor, its perimeter aisles, and the exits, then check that the sprinklers, fire alarm, catwalks and grid, power distribution, and support spaces shown on every discipline describe the same building. AI can flag conflicts; the designer and the authority having jurisdiction decide compliance.
What does NFPA 140 cover?
NFPA 140 is the Standard on Motion Picture and Television Production Studio Soundstages, Approved Production Facilities, and Production Locations. NFPA’s page states that it covers fire protection, property protection, and life safety in motion picture and television industry soundstages, approved production facilities, and production locations.
NFPA’s official NFPA 140 page identifies the 2024 edition as current when checked on October 8, 2026. Confirm the edition, local amendments, and project scope that actually govern the work. The publisher’s newest edition does not establish local adoption.
The building around the stage also follows the adopted building and fire codes, so read this with the NFPA 101 guide or the IBC Chapter 4 guide, which covers stages and technical production areas. Sprinklers follow the NFPA 13 guide where cited. Record which documents the authority adopts.
Gather the stage and the systems above it
Collect the stage floor plans with perimeter aisles and exits, the building sections through the grid and catwalks, the structural drawings for the grid and rigging loads, the fire protection drawings for the stage and the spaces above it, the fire alarm drawings, the electrical drawings for stage power distribution, the mechanical drawings, the support space plans such as mills, dressing rooms, and storage, and the specifications.
The stage owner may keep operating rules for set placement and aisles. Upload them as a reference so the drawn aisles can be compared with what operations will rely on.
Follow the stage through every system
| Review question | Sources to compare | Decision to record |
|---|---|---|
| Stage floor and aisles | Floor plans, life safety plan, owner operating rules | Confirm the perimeter aisles and exit paths agree between plans and the operating rules. |
| Exits and doors | Life safety plan, door schedule, elevations | Check that every stage exit door appears with the same hardware and signage in each source. |
| Sprinklers and the grid | Fire protection plans, sections, structural grid drawings | Find sprinkler layouts that do not account for catwalks or the grid shown in the sections. |
| Fire alarm | Fire alarm plans, specifications, sections | Match detection and notification in the stage volume across drawings and specifications. |
| Stage power | Electrical plans, one-line diagram, specifications | Confirm stage power distribution points agree between plans and the one-line. |
| Support spaces | Floor plans, rated wall plans, fire protection plans | Identify mills, paint, or storage rooms whose separation or protection differs between disciplines. |
Assembly areas that host audiences belong with the NFPA 102 seating guide, and the fire alarm checklist and fire sprinkler checklist log the system questions. Production facilities share many questions with museum and cultural projects.
Example: a catwalk added after the sprinkler layout
Hypothetical example. A soundstage design adds a second catwalk level to the grid. The building sections and structural drawings show the new catwalks, while the sprinkler plans still show only the original layout at the roof and no protection below the catwalks.
The building sections and structural grid drawings add a second catwalk level, but the sprinkler plans still show only the original roof-level layout with nothing below the catwalks. Please confirm the protection for the stage volume and coordinate the fire protection with the grid.
The fire protection designer and the architect confirm the grid and update the sprinkler layout. Compliance is decided by the designer and the authority.
Review a soundstage set with Groundbook
Upload the current project PDFs and relevant specifications to Groundbook. Identify the governing issues and add the applicable NFPA 140 reference from a copy you are licensed to use, where the license permits uploading it. State the edition, amendments, review area, and known exclusions in your instructions.
Compare the stage floor plans, life safety plan, owner operating rules, door schedule, building sections, structural grid drawings, fire protection and fire alarm drawings, electrical drawings, support space plans, and specifications. Flag aisles, exits, sprinklers, alarm devices, stage power, and support space details that differ between sources. Use the supplied NFPA 140 edition where applicable and cite both sources.
Groundbook links each potential finding to the sheets involved and the reference you uploaded.
Document review does not approve set layouts, design the grid, or approve the facility. Those decisions remain with the design team, the stage operator, and the authority having jurisdiction.