Square manhole covers are vital components used in drainage systems to provide access points for maintenance and inspection of underground sewer and drainage infrastructure. The square shape of these covers allows for easy and efficient fitting into square or rectangular manholes. They are commonly made from materials such as cast iron, steel, or composite materials that offer high load-bearing capacity and durability. Square manhole covers are installed in public streets, sidewalks, parking lots, and other urban areas, where they serve as access points for sewer lines, stormwater drains, and utility connections. Their sturdy construction ensures they can withstand vehicular traffic and other loads, while the square design ensures a secure and stable fit. Properly installed square manhole covers play a crucial role in the efficient management of drainage systems, facilitating regular maintenance and inspections to ensure smooth and effective drainage in urban environments.