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What Is The Role Of The Manhole Cover?

Jul. 31, 2021

What Is The Role Of The Manhole Cover?

The manhole cover is a movable cover, covering the opening of the man-made hole, the hole is large enough for people to pass through, that is, the manhole. For security reasons, cover can prevent unauthorized people from entering, and for security reasons, it can prevent anyone (or anything) from falling in. These types of manhole covers are usually used to safely and reliably restrict access to sewage and surface water drainage systems, and other underground rooms that require workers to enter for maintenance. They are usually made of cast iron, ductile iron, galvanized steel, concrete or a combination of the above.

Manhole covers are generally made of these sturdy and heavy materials in order to keep the manhole cover fixed during traffic and make it difficult for unauthorized persons to lift the manhole cover without proper tools.

Since the manhole cover is usually made of concrete, cast iron or a combination of concrete and iron, the manhole cover is manufactured for the safety of anyone passing over the sewer hole. At the same time, the standard manhole cover size is designed to fit a person's size, because its second use is to pass it, technically trained people can pass it when the sewer needs maintenance or installation in underground pipelines.

Through a metal base, the manhole cover is placed on it, and there is a smaller embedded edge to fix the manhole cover. To ensure safety, a manhole cover lock is installed to avoid removal due to any unofficial reasons.

Due to their common appearance, the first reason that manhole covers and derricks appear in a round shape is to resist the compression of the earth around them. Secondly, manufacturers will also find that it is easier to manufacture compared to square or rectangular manhole covers because they do not require the manhole covers to be arranged at an angle, while taking into account that the manhole covers will be heavy when moved from one place to another.

manhole cover

The role of the manhole cover

Prevent people from falling and ensure road safety.

Prevent garbage and debris from entering the tunnel or drain.

Prevent the odor from spreading to the surrounding area.

The underground facilities are easy to maintain.

The problems faced by the cast metal manhole cover

Being stolen will cause losses, increase labor costs, and risk falling onto pedestrians.

The quality of the manhole cover is generally very heavy, and it is very difficult to carry a heavy manhole cover in the process of maintenance, installation, and disassembly.

There is a risk of electric shock. The metal casting manhole cover has had too many electric shocks.

Therefore, from the perspective of the functions and existing problems of the manhole cover, the composite manhole cover perfectly solves all the above problems, and the composite manhole cover is also your best choice.

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