Coal mining

BEST-IN-CLASS SOLUTIONS.

Ground support solutions are essential foundations to the safety of today’s underground mining operations. Our solutions provide underground operations support with cavity filling and consolidation of fractured ground and void spaces, strata control for stability of rock faces preventing rock fall and roof failures, and provisions for managing water ingress and air control. All of which would threaten the safety and viability of an operation and its personnel.

Ground Control

Ground Control is fundamental to the integrity and safety of underground mining operations.

Ground Control applications
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Ground Control

Ground Control is fundamental to the integrity and safety of underground mining operations.

Ground Control applications
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Ground Control

Ground Control is fundamental to the integrity and safety of underground mining operations.

Ground Control applications
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Ground Control

Ground Control is fundamental to the integrity and safety of underground mining operations.

Ground Control applications
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Water Control

Water ingress into an underground mine can represent a major risk if not recognised and rectified.

Water Control applications
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Water Control

Water ingress into an underground mine can represent a major risk if not recognised and rectified.

Water Control applications
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Gas & Ventilation Control

Adequate ventilation is a necessity to maintain air quantity and safety.

Gas & Ventilation Control applications
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Cavity & Backfilling

Increasing pressure from mining activity and variable geotechnical conditions can cause fractured ground, which if not supported, may lead to incidents of rock fall or roof collapse.

Cavity & Backfilling applications
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Cavity & Backfilling

Increasing pressure from mining activity and variable geotechnical conditions can cause fractured ground, which if not supported, may lead to incidents of rock fall or roof collapse.

Cavity & Backfilling applications
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Cavity & Backfilling

Increasing pressure from mining activity and variable geotechnical conditions can cause fractured ground, which if not supported, may lead to incidents of rock fall or roof collapse.

Cavity & Backfilling applications
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Ground Control

Anchoring

Resins, grouting and steel bolting products and accessories to stabilise the ground.

Product title
SOLID (SECURA) BOLTS

The Secura Bolt is a solid reinforcing bar for use in strata environments of underground mines. Design includes a unique paddle system to improve resin mixing and resin film shredding. Consistent and efficient mixing of resin capsule components provide higher bond strength in large diameter boreholes  

The solid reinforcing bar is threaded at one end with a high strength R thread profile, including a modified rope thread with large root and small crest areas. A torque nut is attached at this end. Available in various lengths and can be supplied black or hot dip galvanised.

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Product title
CABLE BOLTS

Cable Bolts incorporate much higher strength than traditional bolts with incomparable flexibility to adjust to the movement of the earth’s strata. We are an authorised distributor of Australian mining industry renowned Garford™ Cable Bolts. Garford products are manufactured to quality accredited standards ISO:9001 at facilities in WA, NSW and QLD.

The Garford cable bolt range includes:

  • Continuous roll or cut to length 15.2 mm
  • Plain and bulbed cables
  • Twin strand plain and bulbed cables
  • Resin anchored 21.8 mm diameter Superstrand
  • 50T fully bulbed strata cables
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Surface control

Surface support coverage providing increased safety.

Product title
MESH

Mesh provides surface support coverage to loose rock between installed rock bolts in underground mining excavations. Multiple configurations of mesh is available including numerous sheet sizes, apertures, wire diameters and black or galvanised wire.

Ausro straps are yielding straps which allow the straps to yield under load conditions allowing better load distribution between bolts. Ausro straps are used in unstable ground conditions where seismic activity is present, to improve surface support and ensure better connection between the surface support and bolts.

We are a distributor for ASW mine mesh and supplies including welded mesh and AUSRO straps. 

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Product title
STEEL & MESH ACCESSORIES

In addition to a complete range of steel and chemical components, we can provide an extensive and complimentary range of accessories for steel strata support requirements.

Our range of accessories include:
• Strata Straps
• Mechanical Anchors
• Mine Nuts
• Couplings
• Pull Collars

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Standing support

Enhanced standing and roof support solutions in underground coal mining.

Product title
TEKPAK® System

Tekpak® Pumpable Crib System has been specifically developed to provide enhanced standing and roof support in underground coal mining. Tekpak® is a two-part system consisting of Tekcem® and Tekbent®. Each component is a free flowing cementitious powder requiring only the addition of water in a suitable mixer to produce a consistent free flowing slurry. Each slurry has a 3 day pumping life. When mixed together the slurries react rapidly to provide a load bearing fill.

The system provides a more productive means to install roof support in longwall mining operations, providing increased safety for operational personnel and more cost effective mine production.

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Product title
FB200

Low viscosity, high yield grout used for rockfill consolidation and ventilation seals. Supplied as a ready to use free flowing blended cementitious powder that only requires the addition of water in a suitable placing machine. 

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Chemical injection

Injection chemical systems used for stabilising, sealing and consolidating the ground.

Product title
BEVEDOL® / BEVADAN®

Bevedol® / Bevedan® is a two component, foaming polyurethane (PUR) injection system used to consolidate highly convergent strata. The system consists of a resin (Bevedol®) and a catalyst (Bevedan®) which is delivered into the strata via a pump unit and injection gun. The two components mix in the gun, which initiates the reaction of the product. The low viscosity mixture penetrates the smallest fissures, hardens and ensures the consolidation and sealing of the area submitted to treatment.

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Product title
GEOFLEX®

Geoflex® is a non-expanding, elasticised, two component injection resin system. Geoflex® Part A is a specialised sodium silicate with additives. Geoflex® Part B is a modified polyisocyanate.

The final product is a tough, flexible material with extremely high bond strength that is resistant against acids, alkalis, brines and many solvents. Ideal for grouting/injection coal and adjacent strata, sealing of injection anchors and stabilisation of debris.

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Product title
CARBOMINE®

Carbomine® is a two component resin injection system used to consolidate fractured strata and prevent the ingress of water. Carbomine Part A is an alkaline phenolic resin with additives, which reacts with Carbomine Part B to a tough hard resin. Carbomine Part B is a modified ester component. Free of CFC's and halogen this fast reacting, alkaline phenolic resin system is ideal for solidification of large loosened, dry or slightly moist strata zones. 

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Sprayed coatings & membranes

Provide additional ground support and waterproofing solutions.

Product title
RAPPASS®

Rappass offers high performance, abrasion resistance and rapid strength. Rappass C, a special concrete mix requires the addition of water to produce a flowing concrete consistency. Rappass GD is a specially blended cement that is applied by dry shotcrete processes. Uses include lining ore passes, outfalls, spill ways, draw points, crushers and chutes.

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Product title
SPRAYPLAST

Supplied as a pre-packaged coarse dry powder in 20kg bags. Sprayed with the addition of water using dry shotcrete process. Sprayplast can also be used for scat control and ventilation control.

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Product title
TEKFLEX®

Cement based spray material designed with excellent flexibility, high tensile strength and excellent adhesion qualities. Tekflex powder is added to Tekflex liquid through a specially designed pump system for a continuous mixing and spraying operation.

Used to permanently stabilise the integrity of rock structures while accommodating the stresses associated with strata movement and providing a barrier to moisture degradation. Tekflex was developed for specific use as an alternative to the use of steel mesh for scat control in underground mining excavations.

 

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Grouting

Stabilise rock and provide support when you need it most.

Product title
FB400

High strength, thixotropic anchoring grout. Ready to use, free-flowing, blended cementitious powder that only requires the addition of water in a high shear mixer, to produce a highly thixotropic grout. Product variant available with enhanced corrosion protection (FB400C).

 

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Product title
CARBOTHIX®

Two component grouting resin for cable bolt anchoring and self drilling bolts. An instantly thickening, fast curing, two component silicate resin for high strength bonding of solid bolts and cable anchors. The final mixture thickens very quickly to form a tough, interpenetrating non porous elastic silicate. This minimises leakage from the bolt hole, displacing drilling water helping ensure full encapsulation.

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Water Control

Chemical injection

Systems used for water control in the mining environment.

Product title
GEOFLEX®

Geoflex® is a non-expanding, elasticised, two component injection resin system. Geoflex® Part A is a specialised sodium silicate with additives. Geoflex® Part B is a modified polyisocyanate.

The final product is a tough, flexible material with extremely high bond strength that is resistant against acids, alkalis, brines and many solvents. Ideal for grouting/injection coal and adjacent strata, sealing of injection anchors and stabilisation of debris.

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Product title
BEVEDOL® / BEVADAN®

Bevedol® / Bevedan® is a two component, foaming polyurethane (PUR) injection system used to consolidate highly convergent strata. The system consists of a resin (Bevedol®) and a catalyst (Bevedan®) which is delivered into the strata via a pump unit and injection gun. The two components mix in the gun, which initiates the reaction of the product. The low viscosity mixture penetrates the smallest fissures, hardens and ensures the consolidation and sealing of the area submitted to treatment.

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Sprayed coatings & membranes

Sprayed coatings and membranes to help control water underground.

Product title
TEKFLEX®

Cement based spray material designed with excellent flexibility, high tensile strength and excellent adhesion qualities. Tekflex powder is added to Tekflex liquid through a specially designed pump system for a continuous mixing and spraying operation.

Used to permanently stabilise the integrity of rock structures while accommodating the stresses associated with strata movement and providing a barrier to moisture degradation. Tekflex was developed for specific use as an alternative to the use of steel mesh for scat control in underground mining excavations.

 

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Gas & Ventilation Control

Sprayed coatings & membranes

Excellent stoppings and sealing solutions.

Product title
RAPPASS®

Rappass offers high performance, abrasion resistance and rapid strength. Rappass C, a special concrete mix requires the addition of water to produce a flowing concrete consistency. Rappass GD is a specially blended cement that is applied by dry shotcrete processes. Uses include lining ore passes, outfalls, spill ways, draw points, crushers and chutes.

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Product title
SPRAYPLAST

Supplied as a pre-packaged coarse dry powder in 20kg bags. Sprayed with the addition of water using dry shotcrete process. Sprayplast can also be used for scat control and ventilation control.

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Product title
VENTILATION STOPPINGS

We can offer a full underground roadway evaluation, and the subsequent design and contract installation of rated and non rated stoppings. Our contract installed structures are fully rated and quality control tested to ensure construction is completed according to full design specifications. Rated man-doors designs can be provided to suit customer requirements.

Devices available include:

  • Flexistop, a rapidly installed flexible ventilation stopping
  • Fleximesh a lightweight mesh stopping used to replace the use of steel reinforcing mesh sheets
  • Various sprayed structures using Sprayplast, Rappass GD or Tekflex® products for non rated stoppings
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Ventilation seals & barriers

Proven explosion proof performance of plugs, seals and stoppings.

Product title
FB200

Low viscosity, high yield grout used for rockfill consolidation and ventilation seals. Supplied as a ready to use free flowing blended cementitious powder that only requires the addition of water in a suitable placing machine. 

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Product title
TEKSEAL™

High yield, long life foaming grout primarily used for ventilation applications and cavity filling. Supplied as a ready to use free flowing blended cementitious powder that forms cement foam on mixing with water in a purpose designed placer.

Uses include explosion resistant ventilation seals, recovery of longwall face falls, backfilling behind steel sets, recovery of falls, rib stabilisation and general void filling.

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Product title
SPRAYPLAST

Supplied as a pre-packaged coarse dry powder in 20kg bags. Sprayed with the addition of water using dry shotcrete process. Sprayplast can also be used for scat control and ventilation control.

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Chemical injection (gas)

Products for gas control in mines.

Product title
CARBOFILL®

Carbofill® is a two component phenolic foam resin used for filling cavities. Component A is an aqueous phenolic resins containing a suspension of solid carbonates as a blowing agent and Component B is a blend of various acids which affect the foaming process and the curing reaction.

The final product is a lightweight material with a yellow to pink colour. Ideal for filling of cavities in underground roadways and longwalls and the stabilisation and prevention of gas accumulation, stabilisation of debris and forming temporary plug seals.

 

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Void filling

Resins and foams for void filling in and around seals.

Product title
BEVEDOL® / BEVADAN®

Bevedol® / Bevedan® is a two component, foaming polyurethane (PUR) injection system used to consolidate highly convergent strata. The system consists of a resin (Bevedol®) and a catalyst (Bevedan®) which is delivered into the strata via a pump unit and injection gun. The two components mix in the gun, which initiates the reaction of the product. The low viscosity mixture penetrates the smallest fissures, hardens and ensures the consolidation and sealing of the area submitted to treatment.

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Product title
GEOFLEX®

Geoflex® is a non-expanding, elasticised, two component injection resin system. Geoflex® Part A is a specialised sodium silicate with additives. Geoflex® Part B is a modified polyisocyanate.

The final product is a tough, flexible material with extremely high bond strength that is resistant against acids, alkalis, brines and many solvents. Ideal for grouting/injection coal and adjacent strata, sealing of injection anchors and stabilisation of debris.

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Product title
CARBOFILL®

Carbofill® is a two component phenolic foam resin used for filling cavities. Component A is an aqueous phenolic resins containing a suspension of solid carbonates as a blowing agent and Component B is a blend of various acids which affect the foaming process and the curing reaction.

The final product is a lightweight material with a yellow to pink colour. Ideal for filling of cavities in underground roadways and longwalls and the stabilisation and prevention of gas accumulation, stabilisation of debris and forming temporary plug seals.

 

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Ventilation Control Devices

Largest range of tested explosion rated ventilation control devices.

Product title
STEEL FABRICATIONS

For more than 20 years we have engineered, designed, supplied and installed steel ventilation control devices (VCD's).

Our steel VCD products and service solutions are customised to suit our customer’s site specific requirements and engineered to conform with the requirements of underground coal mine legislation. Our focus is to continually offer VCD product designs which are safe to handle and improve installation times. All VCD’s are equipped with convenient and rated lifting points, allowing easier and safety handling during installation.

To ensure the longevity of our products, all steel structures are sand blasted and coated with a high build acrylic resin applied directly to the bare steel as a combined primer and topcoat. Two-coat epoxy paints and galvanizing can be also provided on request.

We supply overcasts, machine doors (vehicle doors), man-doors, coffin seals, access hatches for seals, air-locks and consumables. We also provide 2, 5, 20 and 50 psi rated steel VCDs including consumables cast into stoppings, goaf seals and formwork systems (Tecmesh and Meshblock).

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Product title
AIR FLOW REGULATORS

To help ensure clean air in underground mines we offer a range of solutions that include automatic airflow regulators, secondary air control and plastic regulator drop boards.

In 2005 we developed a revolutionary new automatic airflow regulator, Blastflow®, for Hard Rock mines that can be retrofitted to existing regulator sites. Secondary fans can be combined with automated Blastflow regulators to allow the mine to control where and when air is placed. Ventilation on Demand (VOD) allows an underground mine's ventilation circuit to be electronically controlled delivering airflow efficiency, reduced electricity and rapid access to production areas.

To control air flow at stope accesses and draw points, ore passes and the general direction of ventilation throughout mine areas we offer ventilation blinds (QBC). Designed to suit specific size openings and can be relocated for re-use.

To control air quantities in an underground mine circuit we offer environmentally friendly, recycled plastic drop-boards.

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Cavity & Backfilling

Cavity Filling

High volume, pumpable grouts for cavity and void filling.

Product title
FB200

Low viscosity, high yield grout used for rockfill consolidation and ventilation seals. Supplied as a ready to use free flowing blended cementitious powder that only requires the addition of water in a suitable placing machine. 

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Product title
CMT GROUT

High volume chock grout supplied as a ready to use, free flowing blended cementitious powder that only requires the addition of water in a suitable placing machine. CMT grout is fast setting with rapid strength gain, ensuring early support.

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Product title
TEKSEAL™

High yield, long life foaming grout primarily used for ventilation applications and cavity filling. Supplied as a ready to use free flowing blended cementitious powder that forms cement foam on mixing with water in a purpose designed placer.

Uses include explosion resistant ventilation seals, recovery of longwall face falls, backfilling behind steel sets, recovery of falls, rib stabilisation and general void filling.

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