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ALT to deliver a no-dig rehab

SA Water

ALT will work alongside Interflow to complete the project to deliver a no-dig rehabilitation that will last more than 50 years.

Since 1998, Alternative Lining Technologies (ALT) has been offering commercial and municipal customers peace of mind, affording a like-new condition to ageing infrastructure.

For 23 years, ALT has been providing asset owners with the opportunity to rehabilitate – rather than reconstruct – ageing underground infrastructure.

Lining solutions not only save on reconstruction projects: they also add years to sewer structures and protect against costly and damaging infiltration and exfiltration.

ALT manufactures state-of-the-art rehab solutions for manholes, wet wells, and other structures.

Since its introduction in 1998, the company’s CIPM liners have met the demands of countless commercial and municipal clients for projects both large and small.

Unlike other adhesives or coatings, ALT’s CIPM liners form a complete reinforced structure within the host pipe and can cater for all sizes of underground structures.

The unique and patented design uses an inward-facing of polyvinyl chloride (PVC), which forms an impervious barrier against corrosive sewer gas and groundwater infiltration.

The custom liner is shipped in dry to the installer, where a custom-blended epoxy resin is mixed and applied to the CIPM liner onsite.

The epoxy-coated liner is then inserted into the maintenance hole interior.

The underground liner is cured with heat and kept under pressure with steam, conforming the liner to the shape of the maintenance hole.

The continuous heat and pressure promotes high bonding strength to the substrate, and also helps the resin penetrate the substrate, forming a strong anchor.

ALT’s CIPM liners block out biogenic sulphide corrosion, eliminating the associated infrastructure deterioration, ensuring a longer life for sewer infrastructure.

Liners extend from the sewage flow line to the support lip of the maintenance hole, so all gas-exposed surfaces are lined, completely blocking corrosion and associated failure and pollution problems.

For more information visit the ALT website.

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