Iron Manhole Covers and Rain Gratings for Roads
Iron manhole covers and rain gratings are essential infrastructure components used in road construction and urban drainage systems. They are typically made of cast iron or ductile iron, which provides exceptional strength, durability, and resistance to heavy traffic loads.
• Iron Manhole Covers:
These are circular or rectangular covers placed over access openings to underground utilities such as sewers, stormwater drains, or electrical networks. Their main purpose is to provide safe, secure access for maintenance while withstanding the weight of passing vehicles. The use of ductile iron offers improved toughness, preventing cracking under high-stress road conditions.
• Rain Gratings (Gully Grates):
These are open, slotted iron grates installed along roadsides, typically near curbs, to collect rainwater runoff and direct it into the stormwater drainage system. They are designed to handle high water flow rates while being strong enough to bear vehicular loads, ensuring efficient drainage and reducing flooding risks.
