Due to the engineering and maintenance issues associated with cast iron manholes, a variety of alternative manhole cover types have increased in popularity in recent years including composite materials, plastics, and fiberglass. Some of the major benefits [4] of composite manhole covers, fiberglass manhole covers, and plastic manhole covers include:What Are Impact Rated Bollards?
While the causes of missing manhole covers can vary, theft is a prevalent issue. Manhole covers are often constructed of metals like cast iron, which can be sold for scrap. This criminal activity not only contributes to the problem but also indicates a broader issue of urban decay and lack of civic responsibility. Communities must be vigilant and promote awareness about the importance of reporting missing covers as quickly as possible to the local authorities.
Traditionally, manhole covers have been viewed purely as functional items; however, an increasing number of cities recognize their potential to contribute to urban aesthetics. Artistic designs, custom engravings, and colorful finishes can transform these mundane fixtures into unique pieces of public art. This transformation not only beautifies the streetscape but also fosters a sense of community pride. Cities around the world have begun to embrace this trend, commissioning local artists to create designs that reflect the cultural heritage of the area.
(i) Planning and Design: The first step involves planning and designing the manhole according to the project’s specific requirements. Factors such as size, shape, depth, and load-bearing capacity are considered during this phase.