Storm manhole covers are designed to withstand substantial loads, as they are frequently subjected to the weight of vehicles and the pressure of pedestrians. Their engineering is critical; a well-designed cover must not only bear weight but also be slip-resistant to prevent accidents during wet conditions. Many modern designs incorporate features such as raised patterns or textured surfaces to enhance traction.
Tree grates serve several vital functions. First and foremost, they protect the tree's root system from physical damage caused by pedestrians and vehicles. Additionally, they provide a surface that allows for water and nutrients to reach the roots while minimizing soil compaction. Urban environments can often be harsh for tree growth, with compacted soil and limited access to air and water. A well-designed tree grate mitigates some of these challenges, promoting healthier trees that enhance urban biodiversity.