Manhole Covers 600 by 600

Material: Traditionally made of cast iron or ductile iron; modern covers may also use composites or concrete. Weight: Heavy enough (typically 50–100 kg) to stay in place despite traffic, but still removable by workers. Surface: Often textured or patterned to prevent slipping. Locking system: Some have locking mechanisms for security and to prevent unauthorized access. Functions: 1. Protects underground utility chambers from accidents, theft, or damage. 2. Ensures safety of vehicles and pedestrians. 3. Provides easy access for inspection, maintenance, and repairs.