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Licensing Rules for Child Care Centers

R400.8155 Light, ventilation, and screening

R400.8155 Light, ventilation, and screening

Rule 155 (1)


1. Openable window ventilation must equal at least 4.5% of floor area unless central air conditioning is provided.

RATIONALE

Proper ventilation reduces indoor pollutants and improves air quality.

TECHNICAL ASSISTANCE

A 10×10 room requires a window at least 2'3" by 2'.

Rule 155 (2)


2. Mechanical ventilation must operate whenever the building is occupied.

BEST PRACTICE

Ventilation systems should be inspected regularly.

Rule 155 (3)


3. Windows and doors used for ventilation must have 16‑mesh screens in good repair.

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