3.2.11. Changing room features: The changing room referred to in section 3.2.10 must be in an area separate from the work area, have a minimum level of illumination of 250 lux and be maintained at a minimum temperature of 20 °C, be provided with drinking water, installations to dry work clothes and individual lockers to store clothes. In addition, the storage space of each locker must be at least 0.14 m3 and there must be a clearance of at least 600 mm in front of each row of lockers.