We have all seen those round sewer covers on the street. But why are they shaped this way? It turns out that there is an actual reason for it, and it’s not just for aesthetics! Covering a sewer with a round cover is the most efficient way to generate a seal. Some of the major upsides of a round sewer cover are as follows:
- Round sewer covers cannot fall through their circular openings because the round shape prevents it from fitting through. Square-shaped covers, on the other hand, can easily fall in if they are inserted diagonally.
- The sewer covers are round because they must be sturdy enough to withstand the weight of a car. A circle is the strongest shape because it has no weak points where pressure can be applied to break it. Its center is equidistant, and the gradual curve means any point along the edge gives strong support.
On the other- hand, when a car drives over a square or rectangular septic tank or sewer cover it can easily break. Its center is the weakest point since it`s not equidistant from the corners. - Circular sewer covers are easy to handle and safe since they don`t have sharp edges.
why sewer covers are round – faqs
This section is about frequently asked questions on the topic of Why Sewer Covers Are Round.
Why Sewer Covers Are Round: Final Thoughts
Sewer covers are used to cover the sewer or mound septic system, or septic tank opening and prevent access to the sewer or septic system. The benefits of installing a sewer cover are manifold. It prevents unauthorized access to the sewer, which is a major concern for both the public and authorities. It also prevents pollution of water bodies that are near or downstream from the sewage treatment plant by solid waste that is flushed down toilets. Sewer covers also protect pedestrians from falling into an uncovered manhole.
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