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Manholes

Animation: Curtain Grouting Brick Manhole

Injection grout being pumped through a brick manhole structure into the soil to create a grout curtain to stop infiltration.

Animation: Curtain Grouting Concrete Manhole

Injection grout being pumped through a concrete manhole structure into the soil to create a grout curtain to stop infiltration.

Animation: Manhole - Horizontal Crack Injection

View Avanti chemical grout being injected to stop horizontal leaks within the manhole wall to stop infiltration.

Animation: Manhole - Vertical Crack Injection

View Avanti chemical grout being injected to stop vertical leaks within the manhole wall to stop infiltration.

Helmet Cam: AV-202 in Precast Joint

Experience the action up close with our helmet cam capturing the injection of Avanti's AV-202 Multigrout into a joint in a precast manhole.

Helmet Cam: AV-202-LV and Oakum Stops 10 gpm in Less Than 20 Seconds

In Vancouver, WA, a manhole with a pick hole was letting in 10 gpm of water. By employing Avant's AV-202-LV Multigrout LV and Oakum, the leak was successfully sealed, saving the city more than $10,000 annually.

Helmet Cam: Brick Manhole Curtain Grouting with AV-275 Soilgrout

Helmet Cam of manhole curtain grouting with AV-275 Soilgrout.

Helmet Cam: Oakum Soakum with AV-202 in Hawaii Vault

Watch the Oakum Soakum method in action using Avanti's AV-202 Multigrout and Oakum to fix infiltration problems in an underground vault leaking from the Pacific Ocean. 

Whiteboard Animation: Groundwater Leaks in Manholes

Explore the essentials of addressing water leaks - infiltration - in manholes with our educational whiteboard animation. This video discusses impacts of infiltration, safety protocols, infiltration sources, deterioration causes, and injection grouting solutions for effective manhole remediation. It highlights the importance of managing manhole infiltration and regular infrastructure maintenance.