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Tarraleah Canal No. 1 Remediation Works

Remediation of Tarraleah Canal No. 1 for Hydro Tasmania from section T14 to the intake, delivered during a canal outage.

Tarraleah Canal No. 1 remediation works

Project Overview

A $2.28 million schedule of rates remediation package for Hydro Tasmania.

The works included 389.5 m of Sikaflex joint repairs, six Sikadur Combiflex joint repairs and 202 concrete patch repairs. Aluminium shutters were installed along the flume wall from T22 to the intake, around 50 m of coping blocks replaced, and 24 tie beams installed and tensioned. Voids beneath existing slabs were pressure grouted through 290 drilled holes before about 112.4 m³ of 40 MPa reinforced concrete overlays were placed at T14, T15, T18 and T19, with dust suppression and water management throughout.

Key figures: 389.5 m of joint repairs, 202 patch repairs, 112 m³ of overlays.

Client:
Hydro Tasmania

Contract type:
Schedule of Rates

Value:
$2.28 million

Start:
January 2026

Completion:
March 2026

Location:
Tarraleah, Tasmania

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