Home > CMC acquires Maptek Sentry for survey and monitoring at Portia Gold Mine

CMC acquires Maptek Sentry for survey and monitoring at Portia Gold Mine

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article image The Sentry monitoring system is designed to track movement and notify stakeholders about potentially unsafe areas of an open pit operation

Consolidated Mining & Civil Pty Ltd (CMC) has invested in a new Maptek Sentry monitoring system to ensure safety at Havilah Resources Limited’s Portia gold mine in South Australia.

An active monitoring system designed to track movement and notify stakeholders about potentially unsafe areas of an open pit operation, the Sentry solution consists of a long range I-Site 8820 laser scanner and dedicated software that help sites measure and analyse unpredictable wall movement.

The I-Site point cloud data used in the Sentry solution can also be processed and modelled for survey reconciliation, stockpile volumetrics, geological mapping and kinematic analysis. In addition to allowing several areas to be monitored within a single scan extent, the Sentry system also provides comprehensive information through animations, continual analysis and graphical reports to guide future monitoring and assist with decision-making.

CMC is responsible for removing all of the overburden and bringing the ore to the surface at the Portia gold mine, located 100km northwest of the Broken Hill regional mining centre. The gold at the mine occurs in a
2-3 metre layer below 75 metres of clay overburden totalling about 7 million cubic metres, which is being removed to access the ore.

For the Portia mine application, the Sentry system will track movement and stability of walls in the open pit. The I-Site laser scanner will also be used for routine survey applications throughout the operation. A rugged Maptek mount attaching the I-Site laser scanner to the roof of a site vehicle, gives CMC greater flexibility for surveying large areas efficiently.

CMC Principal Steve Radford explained that they chose Maptek’s Sentry system for several reasons including price, local support and ease of use as well as its survey and monitoring capabilities. He added that the Sentry system helps CMC ensure worker safety in remote environments by providing a diagnostic tracking tool with clear visualisation and analysis capabilities, allowing them to make reliable engineering decisions.

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