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”Probing” into CPTu Testing

”Probing” into CPTu TestingNorth West Province, South AfricaWHAT IS CPTu TESTING?A cone penetration test with pore water pressure measurement, or CPTu, is a static penetration test with water/pore pressure measurement. While advancing the calibrated probe at a constant advancement rate, the probe records the resistance at the tip (qc), the dynamic pore water pressure (u2) and t ...

Renewed and Ready for the Field

Recently, the GeoGroup workshop technicians took on the daunting task of refurbishing a retired XY-44 drill rig. Under the leadership of the Workshop Director, Brett Rossiter, the team decided to do an intensive refurbishment on this rig to get it up and running to meet the demand of projects the group had received in the past few months.Often it isn't financially viable to pur ...

Safety First

The GeoGroup has always understood the importance of equipping our staff with the knowledge and skills necessary to keep themselves and each other safe on site. Before any employee is deployed to site, we want to prepare them as much as possible by offering them the following training sessions in case of emergencies:   First aid Level-1 to Level-2. As we know, it is imperat ...

GeoGroup Newsletter | May 2021

May 2021 Newsletter Welcome to the May edition of the GeoGroup Newsletter. Drilling has always been at the core of the GeoGroup since its establishment in 1989 by the late founder and CEO, Dave Rossiter. We have continued to grow and evolve over the years with new vehicles and rigs regularly being added to our growing fleet. We are thankful for the years of experience we have ...

Our Newest Edition

Over the past couple of months, we have been very busy with the manufacturing and assembly of our new customized CPTu rig specifically designed with stability in mind. Stability, which is a very important factor when conducting CPTu tests where the ground conditions show characteristics of a lower shear strength value or cohesiveness. With our smaller TG63-150 and TG73-200 CPTu ...

Raising of the Dam Wall

This long-overdue project, to raise a dam wall in South Africa, finally got underway in late 2019. The project involves the raising of the existing dam wall by building a new wall against the existing wall built in 1935 and extending the height of the wall by 13m. By raising the dam wall, it will increase the capacity of the dam to almost double. Allowing for more irrigation in ...

GeoGroup Newsletter | Arpil 2021

April 2021 Newsletter As we head into the second quarter of the year, many of us stand in amazement that it has already been 1 year since the start of the national lockdown. Although many countries around the world are still facing various challenges, we can positively say that having the ability to adapt is an invaluable strength in a personal capacity and when it comes to ru ...

Reaching New Heights | Converting our Atlas Copco CS1500

Exploration Drilling is used in the mineral mining sector to probe the contents of known ore deposits or to explore sites for potential geological/commercial value. Exploration drilling allows geologists to extract and examine sample core profiles at the surface with reduced environmental impact and lower costs.The Atlas Copco CS-1500 is a rotary core drill rig used in explorat ...

Birthday Tree Tags | A GeoGroup staff appreciation initiative

We have started this year on a greener, more sustainable note. Over the past 2 months, we have been planting trees in Lanseria as part of our staff appreciation initiative.This was one of the goals our late CEO and founder of GeoGroup DAVE ROSSITER had...to make a difference to our environment and to reduce our carbon footprint as a company. The initiative, which he entrusted t ...

Reverse Circulation Drilling | Letšeng Diamond Mine

“The Geomechanics drill team drilled 3 354 meters using the Reverse Circulation drill method.”What is Reverse Circulation Drilling? Reverse Circulation drilling, or RC drilling, is a specific method of drilling which makes use of dual wall drill rods. These drill rods are a combination of an outer drill rod and an inner tube. With RC drilling, the rock is fragmented into chips ...