Mundaring Water Treatment Plant

Category: Government / Infrastructure

Principal: Water Corporation

Client: Brookfield Multiplex, GMF, D+Z Constructions, Logic, Sanwell & Amec

Duration: 2011 – 2013

Project Description:

The new Mundaring Water Treatment Plant (MWTP) involves Brookfield Multiplex’s construction of a new water treatment plant, a pump station and various pipelines.

Brookfield Multiplex’s undertaking will include new buildings, treatment systems (pre-treatment, filtration, chlorination, stabilisation and fluoridation) plant, equipment and other facilities required to meet water quality requirements.

Survey Scope:

ST Spatial had one survey crew (Director – Michael Temov) engaged by the Principal, Brookfield Multiplex as the Project Surveyor responsible for all setout and as constructed drawings for the entire infrastructure on site.  This included:

• Site set out and installing, maintaining and monitoring survey control
• Topographic surveys and reports
• Weekly pickups of the entire site to calculate mass haul volumes for bulk earthworks
• Checking and verifying design tie-in points for existing services, road points and cadastral boundaries
• Checking and verifying contractors as-built concrete structures, cast in items, daff tanks, holding tanks, services, pipeworks, pump alignments

ST Spatial was also responsible for the as constructed model, which was a key tool for the completion of dig permits ensuring that subsequent excavation did no damage prior installed services. ST Spatial also supplied another two survey crews providing surveying services for all other contractors on site this included:

• GMF Contractors engaged ST Spatial for the survey of all the earthworks, road construction and car parks on the project.
• Cobey Industries engaged ST Spatial for the survey of all underground pipework.
• Amec engaged ST Spatial for the survey of all above ground pipework, tanks, machine and pump assemblies and infrastructure.
• Logic engaged ST Spatial for the survey of all electrical conduits and cable.
• Sanwell engaged ST Spatial for the survey of all site drainage and pipeworks.
• D+Z Constructions engaged ST Spatial for the survey of all concrete structures, buildings and DAFF tanks on site.