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Terex’s MJ47 Modular Plant makes Hanson Tasmanian quarry debut

First publishedon www.AggBusiness.com
2015 September October
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Terex MJ47 Module in Lindisfarne, Tasmania
A Terex MJ47 Module has been installed at the Hanson Flagstaff Gully Quarry, in Lindisfarne, Tasmania
Terex has successfully installed its first MJ47 Modular Plant at the Hanson Flagstaff Gully Quarry in Lindisfarne, Tasmania. The module included hopper wings, extended hopper and discharge conveyor and a rock breaker structure with walkways. The entire Module was said to be easily transported in 40 shipping containers direct to site, where a small three-man team from Terex Jaques, assembled the modular station on-site over a three-week period.

The 350tonnes/hour MJ47 Modular Plant has been designed to meet the needs of a large capacity primary crushing station with minimal civil works, assembly time and cost. The Module comprises a large truck dump hopper, Terex Jaques ST47 Jaw Crusher, Terex Simplicity Vibrating Grizzly Feeder, Plant Chute-Work, Discharge Conveyor and a Galvanized Steel Structure.  

The installation site at Hanson Flagstaff Gully Quarry was positioned approximately 200m above the existing processing plant at Lindisfarne, overlooking the gully below. Access was via a 1.2km dirt road. Incomplete earth works did not allow direct access to the construction pad with heavy haulage transport or for a suitable set-down area for heavy equipment and shipping containers. All components would need to be hauled up the access road in stages during assembly. These constraints would have presented a significant challenge to building a typical fixed plant in this location.

The Modular Plant’s pre-assembled sections allowed the team to load individual sections onto a smaller truck for transport to the assembly area. A 16tonne mobile crane was hired to lift components directly from the 40 shipping containers.

A testament to the MJ47 Modular Plant design is the minimal tooling required for assembly. The entire plant was assembled using standard tools provided from a single service vehicle on site. A 40tonne mobile crane was brought in to lift the various sections into place. In addition to limited space no mains electricity was available at the time of assembly. A portable 10kVA generator running on less than 10litres of fuel per day, was sufficient to run all required tools and an air compressor for the duration of the project.

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