At a power construction site, workers wear hard hats primarily to protect their heads from potential injuries. These safety helmets are designed to safeguard the head in various hazardous situations, such as:
1. When a falling or flying object strikes the head.
2. When an employee falls from a height of 2 meters or more.
3. When there is a risk of electric shock to the head.
4. When walking or working in low areas where the head may hit sharp or hard objects.
It’s essential to wear and use safety helmets correctly according to established standards. If worn improperly, the helmet may not offer adequate protection. Here are some key points to keep in mind:
1. Before putting on the helmet, adjust the rear adjustment strap based on your head size and secure the inner elastic strap. The cushioning pad's elasticity is controlled by this strap. The vertical distance between the top of your head and the inside of the helmet should be between 25 and 50 mm, ideally no less than 32 mm. This ensures enough space for cushioning during impact and improves airflow around the head.
2. Never wear the helmet with the brim at the back of your head, as this reduces its protective effectiveness against impacts.
3. The chin strap must be fastened under your jaw and tightened securely. This prevents the helmet from slipping off due to wind, accidental contact, or movement of the head.
4. Some helmets have small ventilation holes. Avoid opening these during use, as it can weaken the structure of the helmet.
5. Safety helmets can degrade over time due to regular use. Regular inspections are necessary to check for cracks, dents, or wear. If any damage is found, replace the helmet immediately. Any helmet that has been severely impacted or cracked should be discarded, even if there are no visible signs of damage.
6. Do not use a helmet that lacks an internal buffer layer, as it offers no real protection.
7. Construction workers should never remove their helmets during work, place them aside, or use them as a seat cushion.
8. Most safety helmets are made of high-density polyethylene plastic, which can become brittle and discolored when exposed to sunlight for long periods. Therefore, avoid leaving them in direct sunlight.
9. When purchasing a new helmet, ensure it has the necessary certification from the labor department and check for any damage, uneven thickness, or issues with the cushioning, adjustment straps, and elastic bands. If any component is missing or damaged, do not use it.
10. Even in indoor work environments, it’s important to wear a safety helmet. It helps prevent head collisions and provides insulation in certain conditions.
11. Keep your helmet clean and store it away from fire sources. Do not paint or sit on it, as this can damage the structure. If lost or damaged, replace it immediately. No one without a proper helmet is allowed on the construction site.
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