02 4964 8270 Request a quote
Ventilation control devices Airlocks Overcasts Regulators Doors and hatches
More underground Man access doors Coffin seals Ancillary devices Upper Hunter mining
Underground mine tunnel Ventilation control devices Open the hub
Civil fabrication Stairs, ramps and ladders Handrails and barriers Steel bollards Steel gates Sign frames
Structural Structural steel fabrication Industrial fabrication Industries we work in Projects
Riveted steel bridge bracing Civil and structural Open the hub
By material Stainless steel fabrication Custom metal fabrication All services
Near you Newcastle Maitland and Hunter Valley Port Stephens
Welding torch and sparks Custom metal fabrication Open the hub
Since 1974

Mining, civil and structural steel fabrication

Wholly Australian owned. Fabrication and welding for mines, civil contractors and industry across Newcastle and the Hunter since 1974.

Request a quote
ISO 9001 Certified quality system
AS/NZS 5131 Certified structural steelwork
1974 Fabricating in the Hunter since
ISO 9001 Certified quality system
AS/NZS 5131 Certified structural steelwork
100% Australian owned and operated
Clients include
Rio Tinto Daracon BHP Fulton Hogan Glencore Robson Civil Peabody KCE Whitehaven Coal Woodbury Civil Orica Jet Group Agnico Eagle Nepean Conveyors Gold Fields Monadelphous Alkane Resources GR Engineering Services Pybar Mining Services Tronox Western Areas Rio Tinto Daracon BHP Fulton Hogan Glencore Robson Civil Peabody KCE Whitehaven Coal Woodbury Civil Orica Jet Group Agnico Eagle Nepean Conveyors Gold Fields Monadelphous Alkane Resources GR Engineering Services Pybar Mining Services Tronox Western Areas

Ground to Horizon

Ventilation control devices for underground mines in NSW, Queensland and Western Australia, and bridges, walkways and structural steel for projects across Newcastle and the Hunter.

Miners working underground Underground mining Airlocks, overcasts, regulators and mine doors for underground mines in NSW, Queensland and Western Australia.
Unrated 2PSI 5PSI
Mining fabrication Steel bridge girders from below Civil and structural Bridges, walkways, structural steel and stairs for civil and industrial projects across Newcastle and the Hunter.
AS/NZS 5131 Walkways Access steel
Civil fabrication

What we fabricate

Steel, stainless and alloy products, designed and built in our Tomago workshop. No project is too large or too small.

Mining 5 PSI Overcast Mining fabrication Ventilation control devices and steelwork for underground mines. Riveted steel bridge bracing Civil fabrication Walkways, bridges, rails and barriers for civil contractors. Structural steel beams Structural steel Certified structural steelwork to AS/NZS 5131. brushed stainless steel Stainless steel Stainless and alloy fabrication made to your drawings. Steel stairs and walkways fabricated by GH Fabrications on fuel tanks Stairs, ramps and ladders Access steelwork for mine sites, plants and tank projects. Pedestrian bollards fabricated by GH Fabrications Steel bollards Protection bollards and barriers, powder coated to suit. CNC plasma cutting steel Custom fabrication Bins, lockers, mezzanines, gates and sign frames made to your drawings. Fabrication job finder Describe the job and we’ll point you to the right service.

Ventilation control devices

Unrated, 2PSI and 5PSI designs, built in our workshop and sized to go underground in one piece or bolt together on site. Every rated design is certified by our engineer.

Explore the devices Device quote builder
Airlocks Paired doors so people and vehicles pass without losing pressure. Overcasts Air crossings that carry one airway over another. Regulators Adjustable openings that set how much air a split receives. Doors and hatches Vehicle and personnel doors for stoppings and seals. Man access doors Personnel doors set into stoppings and devices. Coffin seals Seals around conveyor belts, with wear parts you can replace in place. Ancillary devices Depth gauges, U-tubes, Victaulic pipes, gas sample pipes and stopping poles. Stairs and ladders Access steel for overcasts and underground plant.

Design, fabrication and delivery

Quality assurance
Design and drafting Send your drawings or a site sketch. We design to your site, your loads and your access.
Engineer certification Every rated ventilation device is certified by our engineer. Structural steel to AS/NZS 5131.
Fabrication and welding Steel, stainless and alloy, built in our Tomago workshop under an ISO 9001 quality system.
Delivery to site In one piece, or sized to bolt together on site. On time and on budget.

Calculators and quote builders

Free to use. Work out a steel weight here, or open one of the other tools.

Device quote builder Ventilation devices Device load calculator Pressure loads Leakage cost calculator Ventilation losses Fabrication job finder Match a service

Who we work for

Mines, mining contractors, civil builders and manufacturers in NSW, Queensland and Western Australia.

miner silhouette underground Mining
Underground and open-cut miners across NSW, Queensland and Western Australia.
Industries we work in
mining haul truck Mining contractors
Contractors, suppliers and service companies working on mine sites.
Industries we work in
Riveted steel bridge bracing Civil and construction
Civil contractors delivering roads, bridges and public works across the Hunter.
Industries we work in
Steel stairs and walkways fabricated by GH Fabrications on fuel tanks Industry and manufacturing
Manufacturers and processors who need access steel, platforms and custom work.
Industries we work in

What our clients say

★★★★★

“GH Fabrications have provided Tank Solutions a large and varied service for many years. Some of the products produced have been stairs, walkways and flyover systems on our largest tank projects.”

Tank Solutions Tank Solutions
★★★★★

“GHF assisted us with a major steel fabrication project at the Cottage Creek site on Honeysuckle Drive, Newcastle. It was a complex job, however the final fabrication was delivered on time and is aesthetically very pleasing.”

Robson Civil Robson Civil

Frequently asked questions

Can’t see your question? Call the workshop on 02 4964 8270.

What types of steel do you work with?

Mild steel, stainless and alloy. Tell us the grade on your drawings and we’ll confirm it when we quote.

Are your ventilation control devices certified?

We build unrated, 2PSI and 5PSI designs, and every rated design is certified by our engineer.

Where do you deliver?

Ventilation devices go to underground mines in NSW, Queensland and Western Australia. Civil and structural work covers Newcastle, Maitland, the Hunter Valley and Port Stephens.

Which standards do you work to?

Our quality management system is certified to ISO 9001, and our structural steelwork to AS/NZS 5131.

How do I get a quote?

Call 02 4964 8270 or email your drawings to sales@ghfabrications.com.au. No project is too large or too small.

Request a quote

Send your drawings and we’ll come back with a price. No project is too large or too small. Call 02 4964 8270 or email sales@ghfabrications.com.au.

Request a quote 02 4964 8270