House of Worship / Religious Assembly

Updated Mar 26, 2026

Assembly occupancy (A-3) for religious services. Often complex architecture with large open spans, tall ceilings, acoustic requirements, and stained glass. ADA accessible. May include classrooms, commercial kitchen, childcare.

category

Assembly

occupancy

A-3 Assembly

key considerations

Acoustics, large spans, accessibility, fire egress

typical cost per sf

$200-$500

RELATED KNOWLEDGE

📋 Code

IBC Section 1107 — Accessible Unit and Dwelling Unit Elements

Requires accessible common use elements within individual residential units.

📋 Code

IECC Section 603 — Energy Cost Budget Method

Provides performance-based alternative to prescriptive energy code requirements.

📋 Code

NFPA 99 — Health Care Facilities Code

Comprehensive code for safety systems in hospitals and medical facilities.

🌿 certification

Fire Protection Engineer (FPE) Certification

Advanced certification for engineers specializing in fire safety systems.

🌿 sustainability

LEED v4.1 Materials & Resources Credits

Credits for sustainable material sourcing and waste reduction during construction.

📋 Code

NFPA 72 Manual Fire Alarm Pull Stations

Specifies location, height, and labeling of manual fire alarm activation devices.

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