SmartArch

SmartArch - Occupant Density and Required Fresh Air Volume Calculation Report

This is a preliminary calculation only. Final values must be verified with the local authority, fire authority and qualified mechanical designer.

Input Panel

Project name

Prepared / checked by

Country / regulatory profile

Building type

Room use purpose

Net room area (m²)

Actual occupant count (optional)

Ceiling height (m)

Ventilation type

Local regulation/source note

Report output is available only as Word (.docx).

Status	Preliminary calculation completed
Country	fr - France / Fransa
Room / zone	Office / work area
Area	100.00 m²
Room volume	300.00 m³
Occupants	8
Occupant source	Calculated by occupant-load area table
Occupant density	0.080 person/m²
Rp - outdoor air per person	2.36 L/s·person
Ra - outdoor air per area	0.30 L/s·m²
Fresh air	48.88 L/s
Fresh air	175.97 m³/h
ACH	0.59 1/h
Risk / note	Open office, call center and dense work layouts require real occupant count verification.

Formula: Vbz = Rp × Pz + Ra × Az

Occupant density basis	ERP / Code du travail / fire safety classification
Fresh air basis	Code du travail + Règlement sanitaire + NF EN 16798
Legal mode	commune_and_use_required