Section 151 in The Orissa Building and Others Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2002
151. Ventilation.
- The employer shall ensure at a construction work that all working areas in a free air tunnel are provided with ventilation system as approved by the Chief Inspector and the fresh air supplied in such tunnel is not less than six cubic meter per minute for each building worker employed underground in such tunnel and the free air-flow movement inside such tunnel is not less than nine meters per minute.
