Regular cleaning
Regular cleaning of the manhole cover surface and surrounding environment can help prevent blockage and water accumulation and ensure smooth drainage. Use high-pressure water guns and professional cleaning agents when cleaning to effectively remove dirt and stubborn stains.
Operation steps
- Remove debris from the manhole cover surface.
- Rinse the manhole cover surface with a high-pressure water gun.
- Use professional cleaning agents to clean stubborn stains.
Anti-corrosion treatment
The manhole cover is exposed to the external environment for a long time and is prone to corrosion. Anti-corrosion treatment can extend the service life of the manhole cover.
Anti-corrosion method
- Clean the rust on the manhole cover surface.
- Apply anti-corrosion primer.
- Apply anti-corrosion topcoat to ensure uniform coverage.
- Check the anti-corrosion layer regularly and repair it in time.
Locking device maintenance
The locking device of the manhole cover can prevent the manhole cover from shifting and being stolen, ensuring the safety of pedestrians and vehicles. Regularly check and maintain the locking device to ensure its normal operation.
Maintenance method
- Check whether the locking device is intact.
- Lubricate the locking device to ensure its flexibility.
- Replace damaged locking parts.
- Check the rust prevention of the locking device and perform rust prevention treatment if necessary.
Surrounding road repair
The road surface around the manhole cover is easily damaged by the impact of the wheels, affecting the stability and aesthetics of the manhole cover. Regularly repair the surrounding road surface to ensure the firmness of the manhole cover and the flatness of the road.
Repair steps
- Clean the damaged road surface around the manhole cover.
- Use asphalt or concrete to fill the damaged area.
- Compact the filling material to ensure that it is flush with the surrounding road surface.
- Check the road surface regularly and repair new damage in time.
Logo maintenance
The logo on the manhole cover can provide important information, such as location, function, etc. Maintain the logo regularly to ensure that it is clearly visible.
Maintenance method
- Clean the logo on the surface of the manhole cover.
- Use a waterproof marker to redraw the blurred logo.
- Check the clarity of the logo regularly and replace it if necessary.
