Northam No.2 Tank Roof Replacement

Location

Value

$1M – $5M ~

Client

Water Corporation

Completion Year

2021

Project Overview

Westforce was contracted by Water Corporation to upgrade the roof of the existing 9ML Tank No. 2 at their Northam site. The project involved the complete removal and replacement of the deteriorated roof structure with a modern precast concrete system, including new support columns, beams, and hollow core panels finished with a concrete topping slab.

Project Scope

Demolition and disposal of existing roof structure and supports
Joint and crack repair, including asbestos management
Construction of in-situ footings dowelled into existing tank floor slab
Installation of precast concrete columns on new footings
Installation of precast beams spanning between columns and bearing onto existing tank walls
Installation of precast hollow core concrete panels
Application of concrete screed topping over hollow core panels, including edge formwork
Installation of access staircase with security access control
Installation of FRP (Fibre Reinforced Polymer) access ladder
Installation of aluminium roof ventilators and access hatch
Leak testing and commissioning to return the tank to operational service

Project Stats

Concrete: 200m³ ~
Access Roads: 1.2km ~

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