Why introduce the safety awareness of ductile iron manhole covers? It is not difficult to find that many cases of injuries caused by manhole covers have emerged one after another. If we cannot understand the safety knowledge of manhole covers, it will pose a certain threat to our own safety. Let's learn about it together.
There are four main reasons for the loss and damage of nodular cast iron manhole covers in Hainan:
1、 The construction reason: the well frame base of the shaft is not properly treated, or the quality of the selected well cover does not meet the national standards, which will lead to the water well being easily damaged.
2、 It's theft.
3、 It refers to overload vehicle rolling and construction damage.
4、 It is rainstorm, etc.: the drainage of the sewer pipe is not smooth, and the water will flow out, which will jack up the ductile iron well cover and flush it away.
In the face of urban rainstorm, many people dare not go out because of the manhole cover incident. In fact, there is no need to worry too much about it. Although the city is full of "traps", as long as you master the escape method, you can successfully "break through" in the rainstorm. Here are five ways to avoid wells.
1. Stick Pathfinder Hold a stick and move forward slowly. If there is a ductile iron manhole cover in front, you can know with a single probe that you will succeed in every attempt.
2. Observing the water surface method, it is found that there are whirlpools and sudden springs on the road, which must be far away. This is a sign of "traps".
3. The light judgment method is to walk towards the moon in the night when there is a moon, and the bright place is the well pit; Walking with the moon on your back, the dark place is a well pit.
4. When it is necessary to cross the road with multi person pulling technique, multi person holding hands and walking together in the water will make you feel more secure.
5. Observe carefully. There should be special signs on the road, such as a barricade, a branch, etc. They may be signs left by good citizens to tell you that there is danger!
matters needing attention:
1、 Be familiar with nodular cast iron manhole covers. Pay attention to the road conditions in rainy days. If you see water coming from the road, you should be careful not to wash away the well cover. Pedestrians who don't look at the road but just call their mobile phones should pay more attention
2、 It is to prepare for some lighting. For places without street lights or where the street lights are dim, it is better to bring your own flashlight for lighting.
3、 Don't jaywalk. There are many manhole covers on the road. It is better to take the sidewalk when crossing the road.
After we are familiar with the safety knowledge of these ductile iron manhole covers, we will have more confidence on the road. Many people lack safety awareness and basic common sense, which leads to many tragedies. So, learn more It is necessary to have safety knowledge.
