This project involves the upgrading of road intersections and sections along Booyal Dallarnil Road, Paradise Dam Road, and nearby locations to meet the operational and safety standards required for the main Paradise Dam Improvement Project. The upgrades will include major intersection improvements and associated roadworks, such as pavement reconstruction and drainage enhancements. The works will take place across remote sites, requiring effective traffic management plans due to high-speed rural traffic. The project aims to improve the functionality and safety of key road connections, with works primarily focused on intersection upgrades and road realignments.
Scope of Works:
Realignment and pavement reconstruction
Embankment widening
Improvements to property access
Signage and linemarking works
Drainage works and drainage structures
Intersection improvements, including three major intersections:
Booyal Dallarnil Road and Bruce Highway
Booyal Dallarnil Road and Paradise Dam Road
Gooroolba Biggenden Road
Clearing and grubbing
General earthworks
Pavement construction (unbound and lightly bound)
Bitumen sealing works
Installation of guardrails
Traffic management plans and long-term traffic arrangements
Location
Willowbank, QLD 4306
Client
Veolia
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Landfill
Overall Project Value
$20M
Status
Current (expected completion 2025)
The project at Ti Tree Bio-Energy Facility involves the construction of a leachate liner system on a new "piggyback" landfill cell, integrated with an existing monocell. It includes rehabilitation of a former coal mine while maintaining public operations at the waste facility. Key tasks include bulk earthworks, the installation of various liners and geosynthetic materials, groundwater management systems, and stormwater drainage. The scope also covers the necessary site preparation, excavation, material handling, and coordination of safety and environmental controls. Additionally, the project entails detailed planning and communication with stakeholders throughout the process, with a strong focus on sustainability and compliance with legislative requirements.
Scope of Works:
Clearing and grubbing of 110,600 m²
Bulk earthworks (cut and fill) to achieve liner level, excavation, filling, and compaction for Cell 7
Removal and disposal of existing caps and material as necessary
Supply and installation of various geosynthetic materials (GCL, HDPE geomembrane, LLDPE geomembrane, geogrids)
Construction of anchor trenches and connection to existing liners
Placement of leachate drainage aggregate and separation geotextiles
Excavation and compaction for the formation of Cell 7 and perimeter, including northern "plug"
General fill to complete formation and sub-base layers
Excavation and backfilling of riser trench
Supply and installation of groundwater underdrain systems
Design and installation of a leachate pump and ring-main system
Connection of groundwater collection systems to the existing leachate management system
Installation of stormwater drainage infrastructure
Constructing and backfilling of drainage trenches
Implementation of erosion and sediment control measures
Environmental protection, site management, and compliance with legislative requirements
Installation of cover soil, turf, and hydro-mulch
Location
Reedy Creek, QLD 4227
Client
City of Gold Coast
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Landfill
Overall Project Value
$15M
Status
(Expected completion early 2025)
The construction of the Cell 0 piggyback liner system at Reedy Creek Landfill is being carried out in two stages over a non-operational waste cell. Stage 1 focuses on the eastern section, tying into existing Cells 1 and 2 West Wall, while Stage 2 addresses the western section, divided into Zones A and B. All construction is occurring concurrently with the landfill’s operational and maintenance activities.
Scope of Works:
Site Preparation and Excavation: Remove unsuitable material, conduct leachate investigations, and manage excavated waste.
Subgrade Preparation: Prepare the subgrade and maintain its integrity until covered.
Landfill Gas Venting System: Construct the landfill gas venting system with provisions for future Stage 2 connection and coordinate with operators to protect it during construction.
Base Layer Construction: Construct the base layer with provisions for future Stage 2 connection and ensure protection until covered.
Bearing Layer Construction: Build the bearing layer, considering Stage 2 integration, and protect it during construction.
Bund and Trench Construction: Construct perimeter and internal bunds, anchor trenches, and ensure approval for geosynthetics placement.
Geosynthetics Installation: Install geosynthetics layers with proper connections and integrity and conduct liner integrity surveys.
Drainage and Leachate Infrastructure: Construct drainage aggregate layers, install leachate infrastructure, and integrate with existing systems.
Access Infrastructure: Construct access ramps, culverts, and drains with provisions for future stages, and complete topsoil placement and revegetation.
Documentation and Compliance: Submit progressive As-Built surveys and reports, ensuring compliance with approvals and specifications.
Location
Urliup NSW 2484
Client
Tweed Shire Council
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Flood mitigation
Overall Project Value
$5M
Status
Completed (Nov 2023 - Jun 2024)
This project involved the design and construction of embankment stabilisation across six sites along Urliup Road in the Tweed Shire Council Local Government Area.
The work included:
Stabilisation using gabion baskets and soil nails at three sites.
Installation of soil nails, rock anchors, tecco mesh, and hydro mulch at one site.
Stabilisation using soil nails and shotcrete at two sites.
Scope of Works:
The completed works included:
Active involvement in the design process to ensure a “fit for purpose” approach that prioritised construction safety and efficiency.
Selective flora and fauna clearing, use of floating silt curtains for waterway protection, and coir logs and silt fences at steep downslope embankments.
Implementation of temporary traffic guidance schemes (TGS) with controlled road closures from 9:00 am to 3:00 pm, signage, and traffic control on a narrow and winding road.
Proactive communication with stakeholders about road closures, prioritising access for residents, and fostering positive community relationships.
Road widening and the creation of vehicle passing bays to facilitate construction.
Anchor Installation:
Static anchors: 46 x 3m to secure drill wagons and rope-access personnel.
Temporary anchors: 48 x 3m (30/11 bar), predrilled, grouted, and installed to stabilise vertical cuts in staged 1m increments, with geofabric and SL81 mesh applied after each stage.
Rock anchors: 40 x 3m (30/11 bar), predrilled into 100mm holes, grouted, and tested.
Soil nails: 158 x 6m (30/11 bar), predrilled into 100mm holes, grouted, and tested.
Construction of three gabion walls, varying in height from 2.0m to 4.5m, using 120cm gabion rock carefully hand-placed in gabion baskets and reno mattresses.
Reinstatement of drainage structures, kerbs, pavements, and asphalt adjacent to embankment remediation structures.
Brad Turner, Project Manager at Tweed Shire Council, commended the Hazell Bros team, stating:
"It has been great to work with the team on this project and see their commitment to accommodating the local community."
Location
Scenic Rim and Logan, QLD
Client
Department of Transport and Main Roads
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Roadways, Flood mitigation
Overall Project Value
$19M
Status
Current – Expected completion mid 2025
This project includes the rehabilitation of road infrastructure damaged during the 22 AFI disaster events. It spans 110 sites across 22 state-controlled roads in Scenic Rim Regional Council and Logan City Council LGAs, covering diverse environments ranging from urban roads to remote National Parks. Spanning 3,700 km² including locations such as the Cunningham Highway, Beenleigh-Redland Bay Road, and Lamington National Park Road.
Scope of Works:
Clearing, grubbing, and minor earthworks.
Batter protection, revegetation, and erosion control.
Pipe extension, minor culvert replacement, and headwall repairs/replacement.
Hand and mechanical scaling.
Major excavation and full-depth pavement reconstruction.
Stormwater outlets, mass rock fill, and retaining structures using gabions.
Reconstruction of cross-drainage culverts and upgrades of 7 km of longitudinal drainage.
Soil nailing, mesh, shotcrete, and erosion control matting for batters (2–10m).
Installation of high-tensile steel mesh and rockfall netting.
Two major debris flow barrier systems.
Construction of new drainage infrastructure with bulk clearing and excavation.
Cast-in-situ and precast headwalls and wingwalls.
Outlet erosion control, including placed rock and pinned gabion mattresses.
Significant input into designs and constructability reviews.
Service location, potholing, surveying, and preparation of as-constructed drawings.
Location
Gold Coast, QLD
Client
Department of Transport and Main Roads
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Roadways, Flood mitigation
Overall Project Value
$24M
Status
Completed (Feb 2023 - Dec 2023)
The Gold Coast DRFA project restored 131 sites across 10 state-controlled roads within the City of Gold Coast. Delivered under a Transport Infrastructure Contract (TIC) for the Queensland Department of Transport and Main Roads, it was funded by the Disaster Recovery Funding Arrangement (DRFA) for events 21C and 21J. The works aimed to rehabilitate road infrastructure, with a focus on slope stability, drainage, and pavement repairs on roads damaged during these disaster events.
The project spanned various terrains, from urban areas (e.g., Southport-Nerang Road) to challenging hinterland locations, including Currumbin Valley and Eagle Heights. Sites ranged from dry forests to rainforests, with some areas having limited mobile coverage and significant drainage complexities.
Scope of Works:
Minor Sites (101 locations, 1–15 days each):
Clearing and grubbing
Minor earthworks
Hand and mechanical scaling
Batter protection
Revegetation and erosion control
Major Sites (30 locations, up to 4 months each):
Major excavation
Pavement rehabilitation and widening
Stormwater outlets and cut-off drainage
Mass rock fill and gabion walls/mattresses
Soil nailing, shotcreting, and erosion control matting
High-tensile steel mesh and rockfall netting
Batter chutes
Major debris flow barrier systems
Support Activities:
Design input and constructability advice
Service location, potholing, and surveying
Cultural heritage management and community liaison
Quality, safety, and environmental management across concurrent sites
Traffic management and stakeholder consultation
Location
Stapylton QLD 4207
Client
City of Gold Coast
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Landfill
Overall Project Value
$8M
Status
Completed (Aug 2023 - May 2024)
Construction of a new landfill cell and leachate containment system, including integration with two adjacent active landfill cells.
Scope of Works:
Cut-to-fill over 50,000 m² and placement of 80,000 tonnes of subgrade material.
Implementation of traffic management plans for public access through the operational landfill, with controlled site entry via the main weighbridge.
Coordination around live landfill gas extraction networks, requiring excavation permits, safe work procedures, and measures to stabilise batters while working in a biogas environment.
Strategic earthworks planning to tie into active landfill cells with waste, leachate, and biogas considerations.
Containment System Installation (Approx. 45,000 m²):
Geosynthetic clay liner.
2.0mm HDPE liner.
Cushion geotextile.
Leachate drainage aggregate.
Leachate collection pipework (180mm and 315mm PE pipes) and valves.
Integration with the existing leachate collection sump.
Temporary edge bunds for future cell connectivity.
Clay liner installation to support the geocomposite containment system.
Perimeter Access Road Construction (440m):
Subgrade preparation, cut-to-fill formation, and road base pavement (300mm Type 2.3).
Drainage crossings with three 600mm diameter PE pipes.
Edge protection, roadside furniture installation, and clean water diversion drain lined with geotextile, topsoil, and turf.
Clean and dirty water drainage diversion.
Location
Pearces Creek NSW 2477
Client
Ballina Shire Council
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Bridges
Overall Project Value
$5M
Status
Completed (Feb 2023 - Dec 2023)
The Pearces Creek Bridge Replacement project involved replacing the existing four-span timber bridge on Eltham Road over Pearces Creek, located on the boundary of Lismore City and Ballina Shire LGAs. The new reinforced concrete bridge, built on the downstream side of the existing structure, was designed to support two-lane traffic and meet a 100-year design life. The project incorporated the installation of new substructures and superstructures via dual crane lifts and included the demolition of the original timber bridge.
Scope of Works:
Bridge Construction and Demolition:
Implementation of staged long-term traffic guidance schemes with traffic control.
Piling and construction of reinforced concrete abutments.
Installation of five 32m Super T Girders using dual crane lifts.
Demolition and removal of the existing timber structure.
Earthworks and Pavements:
20,000 m³ of cut/fill earthworks with complex rock subgrade treatments.
Construction of 6 m high embankments approaching the bridge structure.
Flexible pavement construction (800 m), completed adjacent to a live roadway under a traffic guidance scheme.
Environmental and Miscellaneous Works:
Fauna protection, material stockpiling, and riverine environmental management.
Installation of cross drainage structures, concrete batter chutes, and vegetation clearing.
Topsoil placement, landscaping, and wearing course installation.
Line marking, signage, and other road furniture.
Project Highlights:
Constrained Site and Innovative Solutions:
Piling and crane pad design enabled safe delivery within tight site constraints.
Temporary weir river crossing, approved by NSW Fisheries, provided access to both abutments for heavy equipment, reducing interaction with local road users.
Girder Delivery Challenges:
Managed complex logistics for delivering 32 m girders on rural roads, addressing bridge load limits, low-height bridges, and horizontal curve alignments.
Traffic Management:
Conducted three traffic switches of the existing roadway.
Implemented a full road closure detour for critical works, contributing to early project completion.
Utilities Coordination:
Liaison with Essential Energy to temporarily lower overhead powerlines for piling and girder installation. Power was maintained for stakeholders using generators during critical works.
Location
Pimpama, QLD 4209
Client
City of Gold Coast
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Roadways, Bridges
Overall Project Value
$14M
Status
Completed (Sep 2022 - Dec 2023)
The project involved constructing a new three-span concrete bridge (63m long, 10m wide) over the Pimpama River, along with associated approach works. It included ground improvement, environmental management, and detailed bridge construction.
Scope:
Construction of the new three-span concrete bridge, including provision for a future 2m pedestrian footpath, including:
Cast-in-place piles with liners at abutments and piers.
Abutments and wingwalls for future pedestrian walkway.
Precast prestressed deck units, relieving slabs, bridge kerbs, and rails.
Grouted rock pitching, waterproofing membrane, and deck penetrations.
Asphalt surfacing for bridge and road approaches, traffic barriers, and cyclist rails.
Conduits for future lighting, fauna crossings, and access ramps.
Drainage, batter slope protection, navigational signage, and bridge date plate.
Road traffic barriers and end terminals.
Protection of existing services.
Ground improvement works, including the design and installation of 2,800 Controlled Modular Columns.
Rock spill protection at both abutments, concrete retaining walls, and scour protection on both northern and southern approaches.
445m of bridge approaches connecting to the existing road, with stormwater drainage, signage, and pavement marking.
Landscaping, revegetation, and site restoration, including vegetated filter strips.
Vegetation clearing, site preparation, and removal/reinstallation of road furniture.
Temporary access tracks, storage areas, and environmental approvals for temporary works.
Construction of temporary piling and crane platforms, including waterway work.
Traffic management and control on-site and off-site.
Piling works over water using 1.5m diameter steel-lined cast-in-situ piles up to 40m deep, with dewatering and acid sulphate water management. Construction of a 6.8m high, 130m long retaining wall, and managing access restrictions.
Design and construction of access to the creek, managing significant environmental constraints.
Pavement construction using cement-treated materials and complex traffic management due to nearby swamp land and overhead powerlines.
Environmental management, including work within the tidal zone, acid sulphate soil management, and marine fauna and flora protection.
Location
Griffin QLD 4503
Client
Moreton Bay City Council
Head Contractor
Hazell Bros (QLD) Pty Ltd
Type of works
Roadways, Flood mitigation
Overall Project Value
$19.2M
Status
Completed (May 2022 - Oct 2023)
The upgrade of Henry Road and Dohles Rocks Road in Griffin successfully improved flood immunity and enhanced overall traffic and pedestrian safety. The project involved constructing a new signalised intersection at Dohles Rocks Road and Henry Road, upgrading access to the proposed Griffin Sports Complex near Elizabeth Road, creating dedicated bus turnaround areas, and implementing various safety and flood improvements. Key works included raising road levels and constructing culverts to mitigate flooding risks, improving the road surface, and installing traffic signals to optimise traffic flow.
Scope of Works:
Rehabilitation and widening of existing pavement.
Construction of new traffic medians, line marking, and road furniture.
Installation of traffic signals and a signalised pedestrian crossing.
Comprehensive stormwater drainage upgrades, including soft soil improvement and surcharge embankments with monitoring.
Replacement of soft soil and treatment/removal of unsuitable materials, including acid sulfate soils.
Construction of approximately 420 linear metres of stormwater box culverts (ranging from 600x300mm to 2700x900mm).
Installation of 1500m of subsoil drainage.
A mix of cast in-situ and precast headwalls and bases.
Development of new concrete pathways, kerb ramps, bicycle ramps, and driveways.
Upgrades to street lighting, landscaping, wayfinding signage, and green infrastructure.
Key Outcomes:
Significant flood immunity improvements through road elevation adjustments and extensive drainage enhancements.
Improved connectivity and safety with the addition of cycling lanes, concrete footpaths, and a formalised school bus stop.
Sustainable outcomes achieved with the integration of green infrastructure and landscaping.
