Question
Discuss the ventilation and illumination requirements in underground works.
Answer :
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Ventilation and illumination are critical safety aspects in underground construction works due to the unique and hazardous conditions present. Proper ventilation ensures that the air quality remains safe for workers, preventing the accumulation of harmful gases like carbon monoxide, methane, and radon. It also controls the levels of dust, which can be hazardous to health. Ventilation systems typically include mechanical ventilation using fans, air shafts, or blowers to circulate fresh air and remove contaminated air. Adequate airflow must be maintained to prevent oxygen deficiency or the buildup of toxic
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