Normal manholes are 4-5 five feet deep and wide enough for workers to enter through the cover, which is usually square. They’re generally located along the sewage or drainage water line.

Horseshoe bollards have become increasingly popular in urban design and landscape architecture due to their unique shape and multifunctional applications. Characterized by their U-shaped design, these bollards serve not only as physical barriers but also as aesthetic additions to public spaces, streetscapes, parks, and private properties. This article delves into the various uses, benefits, and considerations associated with horseshoe bollards.

Promoting a Cycling Culture

Conclusion

Access and Maintenance of Sewers: Manholes