Minjar Core Shed

JMAC Civil successfully finished a two-month infrastructure project for Minjar Gold, where they designed and built a new Core Shed in Marvel Loch, Western Australia (Tianye SXO).

The project deliverables included removing the old shed, performing earthworks, installing concrete footings and slabs, constructing a concrete waste pit, placing a new protective dome, and installing all necessary electrical and data infrastructures.


This mining infrastructure project required designing and constructing a new core shed and removing the previous one.

Once built, the new shed enabled the client to house four additional drill rigs, equating to a production increase of 300%.

Project Type
Design & Construct
Project Length
8 Months
Project Budget
  • Removal of existing shed
  • Set up temp works area
  • Complete earthworks and set out for new construction
  • Supply/ install concrete footings & slabs
  • Design and construct concrete waste pit for core saw waste & drainage
  • Placement of new dome to protect workers from elements
  • Supply and install all electrical and data
  • Supply and install core saw noise reduction (freezer panel rooms)
Key challenges

During the construction phase (concreting & operational cranes), Minjar’s exploration team also performed work on-site.

Despite the challenges and potential safety risks, all barriers were overcome with minimal disruption to either party via regular pre-start meetings and clear communication.

Project outcomes

Zero safety incidents or LTIs occurred throughout the duration of the project. The scope was completed on time and within budget.

Some Of Our Satisfied Clients

JMAC has safely delivered projects on time, within budget and specifications for more than two decades.

Our satisfied, high-profile clients are a testament to our commitment to excellence and laser-sharp focus on what matters most.