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Southern Tinamba Modernisation Project Stage 2

Client :

southern-water (1)

Project Date

2018

Length

7.8Km

Pipe Diameter & Type

1600/1500/600mm GRP & 375/450mm PVC

National Australian Pipelines constructed a 1600mm GRP irrigation pipeline on behalf of Southern Rural Water through the winter shutdown period between May and August 2018.

National Australian Pipelines constructed a 1600mm GRP irrigation pipeline on behalf of Southern Rural Water through the winter shutdown period between May and August 2018. The pipeline project
was to effectively replace the existing open water channel system in the Tinamba District.

The 7.8km of pipeline installed was along a greenfield alignment through 15 different private properties and road reserves. The scope of Work also included the installation of 16x Above ground customer outlets, a Transition Structure and the installation of associated valves and control equipment.

Construction involved using up to 25 different pieces of plant ranging from varying sized Excavators,
Front end loaders and rollers/compactors. The project was in accordance with a AS4000 contract during the winter shut down period where water is shut off from being delivered to farmers via the open water channel system.

A workforce in excess of 60 personnel were engaged where 4x separate crews worked concurrently to deliver the project.

Major activities

Major activities undertaken for this project included:

Provision of construction management plans for the pipeline including; Health and Safety Plan, Site Environmental Management Plan, Quality Plan.
Provision of Traffic Management Plans.
Site setup and survey of pipeline alignment.
Land Liaison with property owners.
Identification and potholing of existing assets and utilities using Non-Destructive Digging (NDD).
Clearing and grading of a 20m wide construction corridor.
Pipeline stringing of the DN1600 GRP pipe and smaller diameter pipe offtakes.
Excavation of trench to ensure pipeline installation up to 3.5m in depth.
Backfilling of pipeline using a bedding material to the superintendent’s approval.
Construction using horizontal directional drilling for smaller diameter road crossings.
Construction of 15x above ground customer outlets.
Construction of an above ground transition structure to transfer water from the pipeline back into the open water channel.