Description

Four classrooms do not meet Building Bulletin 101 minimum fresh air requirements of 8 l/s per person.

Diagnosis

Rooms 12, 14, 17, and 20 have CO2 levels exceeding 1500ppm for >20% of occupied hours, breaching DfE ventilation guidelines.

Recommended Action

Install mechanical ventilation units in affected classrooms. Estimated cost: £3,200 per room. DfE CO2 monitor programme funding may be available.