IECC Climate Zone 7 — Very Cold

IBC Section 1107 — Accessible Unit and Dwelling Unit Elements

Requires accessible common use elements within individual residential units.

IECC Section 603 — Energy Cost Budget Method

Provides performance-based alternative to prescriptive energy code requirements.

IECC Climate Zone 4A — Mixed-Humid (New York City, Philadelphia, Washington DC)

Mixed-humid climate with hot summers and cold winters. Heating degree days 3500-5500. Requires balanced envelope strategy: good insulation + solar heat gain management. Seismic Design Category B-C.

IECC Climate Zone 3B — Warm-Dry (Los Angeles, Las Vegas, Phoenix)

Warm-dry climate with mild winters and hot dry summers. Minimal heating needs. Primary concern is cooling load and solar heat gain. Seismic Design Category D-E in California. Wildfire risk zones.

NFPA 99 — Health Care Facilities Code

Comprehensive code for safety systems in hospitals and medical facilities.

Fire Protection Engineer (FPE) Certification

Advanced certification for engineers specializing in fire safety systems.