Petroleum & Energy

BULK INFRASTRUCTURE

bulk-infrastructure

BULK INFRASTRUCTURE

Over the last 50 years, GAST has been exposed to various bulk infrastructure projects. From a contractors perspective, and also as consultant or employer. Gaining significant insight on bulk infrastructure projects. From a design, build, construct & operate perspective or purely as contractor to project managers.

By making use of our substantial in-house capabilities or sister companies, we can assist with numerous bulk infrastructure solutions tailored to your needs.

EARTHWORKS

Close up of construction excavator

EARTHWORKS

GAST is heavily invested in autonomous yellow plant “self driving” with state of the art integrated software using technology like GPS, LIDAR and various other elements.

This will provide accuracy and tolerances up to 5 mm, including significant production increases and downtime prevention while eradicating the risk and duplication of activities with a significant reduction in supervisory & labour requirements.

FORENSIC RELATED CONSULTING

Scientists looking at a computer

FORENSIC CONSULTING

GAST has a diverse field of forensic expertise from Civil to the Built Environment. Our corporate and governmental clients rely on our forensic consulting findings. This forms the basis of risk management for old or new projects. With more than 39 years of forensic work in over 2420 projects, our forensic division is seen as experts.

Our forensic division are experts in the following fields: Water, Sewerage and Waterproofing & Coatings.

FAILURE HAS A REASON

GEOCELLS

geocells

GEOCELLS

Geocells are widely used in a multitude of industries as an effective stabilisation medium to contain soil, gravel or any other fill material. You will find a GAST Geocell in various road construction, drainage construction elements and/or railway applications.

Geocells are mostly manufactured with HDPE (High Density Polyethylene) and/or woven polypropylene textiles assisting various clients in stabilising their substrate and provide efficient drainage.

 

LET’S ANCHOR DOWN THAT ROAD

Geocomposites

geocomposites

GEOCOMPOSITES

GAST Geocomposites are factory modified and combined products that could include Geotextiles, Geonets, Geogrids and Geomembranes depending on the application and requirements of our clients.

A geocomposite can be used to improve drainage requirements, erosion control, leachate collection and/or other leak detection solutions.

LET US FIND YOU THAT IDEAL PRODUCT FOR YOUR APPLICATION

GEOGRIDS

geogrids

GEOGRIDS

Geogrids are mainly utilised as a reinforced material to assist in stabilisation & separation for various applications from roads, slopes, railways, bridges & many more.

GAST offers a wide variety of different class, thickness and structured Geogrids, enabling us to assist you with a wide selection of project needs and budget limitations should you require to reduce base thickness or increase bearing capacities.

 

LET GAST STABILISE YOUR PROJECT

Geomembranes

geomembranes

GEOMEMBRANES

The management of waste and contaminants has become a priority to society and to us at GAST. With our Geomembranes we can safely contain industrial waste, urban waste, hazardous or slightly radioactive materials, contaminated soil, sludge and incinerator ashes.

Installed in conditions that may be challenging including wind, dust, harsh nature, rough, uneven or unstable terrain, GAST ensures the installed geomembranes are able to withstand potential perforation and retain the beneficial properties for which it was selected.

GAST is renowned for providing some of the highest quality geomembranes obtainable today, and with GAST’s logistical support, we are able to tackle some of the largest projects on earth in some of the most inhospitable areas.

GAST has a wide variety of products from 500 micron to 5 mm thickness Flat Die or Blown Film in a variety of specifications from Smooth, Mono Textured, Double Textured including a wide selection of asperity heights.

 

SELECT ONLY THE BEST, SELECT GAST GM PRODUCTS

GEONETS

geonets

GEONETS

GAST Geonets provide you, our client, a wide selection of products from composites in drainage to three dimensional high density polyethylene (HDPE) structures enabling you to make more cost effective designs or improve your current system.

GAST Geonets are mainly utilised in the Civil, Mining, Construction and Road industry, primarily as a filtration medium in the form of composite or compression resistance, in a critical factor like slopes in a leachate collection pond.

TRUST US AS A PARTNER

GEOSYNTHETIC CLAY LINERS (GCL)

geosynthetic-clay-liners-gcl

GEOSYNTHETIC CLAY LINERS (GCL)

GAST GCL’s are a composite between a Geotextile and Bentonite to replace expensive thick layers of compacted clay.

Not only is this much more cost effective but also provides superior performance characteristics in comparison to natural compacted clay, making GAST GCL’s a versatile hydraulic barrier with self healing properties due to the bentonite.

 

WHY USE CLAY WHEN YOU HAVE GAST GCL

Geotextiles

geotextiles

GEOTEXTILES

GAST provides & installs a wide variety of different Geotextiles to be used in a multitude of different applications from stabilization, reinforcement, separation medium, drainage & protection.

You’ll find GAST Geotextiles almost everywhere in everyday life from roads, tailings, dams, landfill sites, shore lines and many more.

Geotextiles play an integral part of various construction & civil applications due to it’s versatility and robustness and GAST is able to provide non-woven, woven in polyester, polypropylene or nylon geotextiles in various thicknesses.

LET US BE PART OF YOUR PROJECT

LEAK LOCATION AND DETECTION

leak-detection-leak-location

LEAK DETECTION

As a service offering during our Geosynthetic installations or as a standalone service, GAST provides in-depth leak location and leak detection services for the wider Geosynthetic industry.

Utilising state of the art equipment from specialised drones with LIDAR and/or geo-galvonometric testing, electronic water lance, dipole and Faraday brushed spark testing.

GAST also offers independent third party Quality Assurance and Quality Control, including assistance from our own laboratories. This ensures effective & accurate turnaround times during a project.

PREVENTION IS BETTER THAN CURING

PIPELINES

pipelines

PIPELINES

We have completed projects incorporating the use of small and large bore pipes in over  10 000 kilometers. Because of this GAST is able to accurately deliver or remove fluids to and from any particular site and over any particular terrain.

Our pipelines are designed and delivered with due consideration because of environmental regulation and aesthetic acceptance. From high pressure, large bore steel and non-corrosive HDPE piping. Including low-pressure reticulation for incorporation into agriculture, bulk water supply, sewerage, mining and domestic use.

SEWERAGE CONSULTING

Sewerage-consulting

SEWERAGE CONSULTING

GAST recognises the fact that sewerage treatment works remain a viable source of water. Because of this our designs meet international standards, and we maintain full understanding of all budgetary restrictions.

We focus on vertically integrated USBR Reactors to low cost oxidation technologies. Our capabilities have been tried and tested from design through to project management. For engineering, procurement and construction (EPC) and Turnkey solutions we maintain the highest standards.

GAST believes sewerage is an asset, and a sustainable resource in any development with various recovery options.

EMBRACE YOUR WASTE

TAILINGS

tailings

TAILINGS

GAST provides various supplementary products, and support services for tailings including geosynthetics and a wide variety of design and engineering solutions. Remediation, recovery and beneficiation is also supported for various precious metals and base metals.

WATER TREATMENT

Sewerage-consulting

WATER TREATMENT

Because water remains one of our most precious assets provided it is managed, controlled and contained effectively.

Over the last 40 years, GAST has developed specific methodologies and skills in this arena. So we can ensure effective delivery of certified water.

Clients have relied on GAST’s cutting edge water treatment technology and delivery systems. Our WMM (Withdrawal of Micro-organisms & Minerals) plants are able to render sewerage and gray waters to potable quality for up to 85 kiloliters per hour. This solves age old problems for corporations, municipalities, sewerage works, breweries and other health organisations.

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