Gallery Visitor Capacity Fire Code Area Rule Calculator
Restricted floor-area rule and independently separately authorized egress cap arithmetic. Not infer fire-code occupancy, permit crowding, resolve accessibility/obstructions or certify emergency egress.
Description
Gallery area-based capacity depends on usable area and an applicable area-per-person factor.
Gallery area-based capacity depends on usable area and an applicable area-per-person factor.1
A separately authorized egress cap may be more restrictive than the area estimate.
When to use Gallery Visitor Capacity Fire Code Area Rule Calculator
Use this tool to calculate or review the supplied observations under the stated rules. Establish the object or visitor scope, measurement units and independently applicable conservation, engineering, access or editorial reference.
How to use Gallery Visitor Capacity Fire Code Area Rule Calculator and understand its results
- Establish the object or visitor scope, measurement units and independently applicable conservation, engineering, access or editorial reference.
- Enter callerVerifiedUsableGalleryAreaSquareMeters, callerApplicableAreaPerPersonSquareMeters, callerSeparatelyAuthorizedEgressOccupancyCap, using the field meanings and rules below, then run the tool.
- Read result.conditionalAreaOnlyWholeOccupancy, result.conditionalCombinedScreenCap. Use the units and sign conventions below.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerVerifiedUsableGalleryAreaSquareMeters | Caller verified usable gallery area square meters | number | Required |
| callerApplicableAreaPerPersonSquareMeters | Caller applicable area per person square meters | number | Required |
| callerSeparatelyAuthorizedEgressOccupancyCap | Caller separately authorized egress occupancy cap | number | Required |
Require nonnegative usable area, positive supplied square-meters-per-person factor and integer authorized egress cap 0–1000000. Floor area/factor for the area-only whole count; return its minimum with the separate egress cap. No floor-plan or code analysis is performed.
areaWholeCount=floor(usableArea/areaPerPerson); combinedScreenCap=min(areaWholeCount,egressCap) Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured result; its nested fields below contain the actual calculation or selected reference | object |
| result.conditionalAreaOnlyWholeOccupancy | Conditional Area Only Whole Occupancy | number |
| result.conditionalCombinedScreenCap | Smaller of the floored area-based count and the separately supplied authorized egress cap | number |
{
"input": {
"callerVerifiedUsableGalleryAreaSquareMeters": 100,
"callerApplicableAreaPerPersonSquareMeters": 2,
"callerSeparatelyAuthorizedEgressOccupancyCap": 40
},
"output": {
"result": {
"conditionalAreaOnlyWholeOccupancy": 50,
"conditionalCombinedScreenCap": 40
}
}
}Limitations and assumptions
Object condition, observation coverage and applicable references determine applicability. A supplied comparison or record does not certify conservation treatment, engineering, access compliance or insurance eligibility.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Object Viewing Distance Minimum Rule by Width Checker: Viewing-distance ratios compare an object width with a measured viewing distance. For a complementary comparison, use Wheelchair Reach Display Height Compliance Checker: Wheelchair reach depends on the applicable access standard and the actual approach geometry.
References
Similar or alternative tools
- Object Viewing Distance Minimum Rule by Width Checker
Viewing-distance ratios compare an object width with a measured viewing distance.
- Wheelchair Reach Display Height Compliance Checker
Wheelchair reach depends on the applicable access standard and the actual approach geometry.