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occupancy-calculator

Calculate building occupancy loads using IBC Table 1004.5 with jurisdiction-aware factors.

304|65|Updated Mar 2, 2026
Search Tags:#architecture#net#egress#occupancy#ibc#gross
One-click install
npx skills add https://github.com/AlpacaLabsLLC/skills-for-architects --skill occupancy-calculator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: occupancy-calculator
Source: https://github.com/AlpacaLabsLLC/skills-for-architects/tree/main/plugins/03-programming/skills/occupancy-calculator
Command: npx skills add https://github.com/AlpacaLabsLLC/skills-for-architects --skill occupancy-calculator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Helps architects and code officials quickly determine maximum occupant loads for spaces and buildings using IBC Table 1004.5, including gross vs net area distinctions and jurisdiction-specific variants.

Core Features & Use Cases

  • Jurisdiction-aware load factors from data/occupancy-load-factors.json and use groups from data/use-groups.json
  • Per-area and total occupant load calculations for multiple use types, including mixed occupancy
  • Inline reporting with structured tables and optional file exports, with support for occupancy.json and program.json integration

Quick Start

Describe your project (e.g., "50,000 SF office building, 3 floors") to compute per-area and total occupant loads.

Frequently Asked Questions about occupancy-calculator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate IBC occupancy loads for a building with multiple use types?▼

Calculate IBC occupant loads by applying Table 1004.5 factors to each space's area. This Skill supports multi-use classifications, automatically applying the correct load factor for mixed occupancy areas to generate per-area and total occupant loads.

What is the difference between gross and net area when calculating egress occupancy?▼

Gross area includes all square footage within the building exterior walls, while net area deducts certain excluded spaces. This Skill correctly applies IBC Table 1004.5 factors based on your gross or net area designations for accurate egress calculations.

Can I calculate occupant loads using California or NYC building codes instead of standard IBC?▼

Yes, you can calculate occupant loads using California or NYC building codes. The Skill applies jurisdiction-aware load factors from its internal data, ensuring accurate occupancy calculations for NYC, California, and other US states.

How do I use occupancy.json and program.json files to compute building occupant loads?▼

Provide project details like "50,000 SF office building, 3 floors" to compute occupant loads. The Skill automatically loads occupancy.json and program.json when available, reading area and use group data to generate an inline occupancy report.

What's the best way to generate an IBC occupancy report for code officials?▼

Generate an IBC occupancy report by describing your project areas and use types. The Skill outputs a structured inline table with per-area and total occupant loads, and offers optional file exports to share with code officials for review.

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