leak sealing in underground chamber

Leak Sealing in an Underground Chamber

Location: Toronto, ON
Sector: Utilities
Category: Chemical Grouting, Crack Injection

Description

A utility contractor needed a permanent solution to fix an underground chamber that was prone to repeated flooding through leaking pipe penetrations.

Multiurethanes’ technicians used chemical grout to fill the annular space around the pipe penetration and fix the source of the water inflows.

Chemical injection to repair construction joints

Chemical injection to Repair Construction Joints

Location: Russel, MB
Sector: Heavy Civil
Category: Chemical Grouting

Description

A general contractor in western Manitoba required grouting expertise to stabilize an extra-large construction joint (250 m long) on a dam rehabilitation project. The concrete had started to deteriorate, creating small voids in the joint.

We provided technical support to repair the joint using Multiurethanes Universal resin to prevent water from entering and causing further damage.

The chemical grout filled the voids, stabilized the joint and provided protection against water penetration.

cement grouting for LRT tunnel construction

Cement Grouting in LRT Construction Project

Location: Toronto, ON
Sector: Infrastructure
Category: Cement Grouting, Soil Stabilization

Description

Performed microfine cement grouting and water-stop operations using polyurethane resins, and provided soil stabilization in cross passage tunnels along the road in a light rail transit (LRT) line construction project.

Void Filling in Tunnel Liner at Eglinton Crosstown Project

Cement Grouting to Fill Voids Behind a Tunnel Liner

Location: Toronto, ON
Sector: Tunnels
Category: Cement Grouting, Soil Stabilization

Description

We provided soil stabilization services at the Eglinton Crosstown Project in Midtown Toronto.

The scope of work involved injecting cement grout around the tunnel liner to fill voids. Our solution involved a microfine cement grout mixture delivered through vertical injection pipes installed around the tunnel.

Microfine cement is able to penetrate very small openings such as soil pores and microscopic rock fissures, in order to improve strength and reduce permeability.

cellular grouting infrastructure project

Cellular Grouting for Infrastructure Project

Location: Greater Toronto Area, ON
Sector: Infrastructure
Category: Cellular Grouting

Description

Assisted an infrastructure contractor with a cellular grouting operation to backfill relined culverts along Highway 407. A mix of cement slurry and foam agent was successfully placed using low-pressure grouting techniques to fill the annular space along the pipe.

cellular grouting for void filling annular space

Cellular Grouting for Void Filling Annular Space

Location: Toronto, ON
Sector: Utilities
Category: Cellular Grouting

Description

Our skilled technicians assisted a utility contractor with a cellular grouting operation to backfill underground casings, as part of the project to upgrade the Toronto’s electrical system. A mix of cement slurry and foaming agent was successfully used to fill the annular space along the pipes in the electrical installation.

Water cutoff in a sewer rehabilitation project

Leak Sealing in Sewer Rehabilitation Project

Location: Markham, ON
Sector: Utilities
Category: Cement Grouting, Water Cut-off

Description

We provided a specialized water cut-off solution for a municipal sewer maintenance project. The project required grouting from surface to repair leaks in a large diameter sewer pipe.

Our solution involved pumping a fast-curing cement plus sodium silicate grout mixture delivered through vertical injection pipes installed around the sewer.

This work required a customized grout plant with multiple pumps and flow meters.