jeudi 23 janvier 2014
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Steps To Safe Manhole Cover Lifting
Manholes are those holes that can be found on the street that would cover passages that would lead to the underground sewage system of the city and would be covered by big metal lids. Now if one would want to take out these big metal lids, then it is important for him to follow a manhole cover lifting procedure and have a few tools. So if one is curious about how to do this, then these steps may shed some light.
Of course the very first thing to do for a road worker would be to first alert the public about what they are going to do. In order to do this, one has to make sure that there are a bunch of traffic cones surrounding these manholes so that people passing or driving by would know where to avoid. Make sure to block of roads where the manholes are being taken out.
Now sometimes, there would be some dangerous gases that would come out when one would take out the lid. So in order to avoid any casualties, it is very important for one to first test the gas levels down the hole to see if there are any dangerous gases. If the gas detector says there are dangerous gases there and have high oxygen levels, then watch out.
Now most lids would have some holes in them which would make them much easier to pry off as one may use a hook to take it out. Road workers are given special manhole hooks that would be used just for this specific type of job. What would happen is that one will be using the hook to attach itself to the holes.
The second one is the one without the hole and would require a giant magnet for it to come out. Basically, the device that will be used would be a magnetic one wherein one will use a magnet to forcibly pull the metal lid up. From there, then one may actually open the hole and enter there.
Do take note that before going in, one would have to make another gas check because there might still be some gases that may come out. If one detects some certain high gas levels around the area, then do not go inside first. Ventilate the area and make sure that there are no more gases before actually going in.
The second thing to do would be to make sure that there are barricades and warning signs all over the area. So that one will be aware that there is an open manhole, there has to be warning signs surrounding it. If there is none, then there is a big chance that a civilian or maybe even a worker may just fall into the open hole.
Always take note that when it comes to working with manholes, safety is of utmost importance for both the worker and the civilians. So in order to do a manhole cover lifting process safely, one must follow some of these tips. That way the people and workers will be kept safe.
Of course the very first thing to do for a road worker would be to first alert the public about what they are going to do. In order to do this, one has to make sure that there are a bunch of traffic cones surrounding these manholes so that people passing or driving by would know where to avoid. Make sure to block of roads where the manholes are being taken out.
Now sometimes, there would be some dangerous gases that would come out when one would take out the lid. So in order to avoid any casualties, it is very important for one to first test the gas levels down the hole to see if there are any dangerous gases. If the gas detector says there are dangerous gases there and have high oxygen levels, then watch out.
Now most lids would have some holes in them which would make them much easier to pry off as one may use a hook to take it out. Road workers are given special manhole hooks that would be used just for this specific type of job. What would happen is that one will be using the hook to attach itself to the holes.
The second one is the one without the hole and would require a giant magnet for it to come out. Basically, the device that will be used would be a magnetic one wherein one will use a magnet to forcibly pull the metal lid up. From there, then one may actually open the hole and enter there.
Do take note that before going in, one would have to make another gas check because there might still be some gases that may come out. If one detects some certain high gas levels around the area, then do not go inside first. Ventilate the area and make sure that there are no more gases before actually going in.
The second thing to do would be to make sure that there are barricades and warning signs all over the area. So that one will be aware that there is an open manhole, there has to be warning signs surrounding it. If there is none, then there is a big chance that a civilian or maybe even a worker may just fall into the open hole.
Always take note that when it comes to working with manholes, safety is of utmost importance for both the worker and the civilians. So in order to do a manhole cover lifting process safely, one must follow some of these tips. That way the people and workers will be kept safe.
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