Hamilton Civil + Asphalts has extensive experience delivering road construction and rehabilitation projects for local authorities, developers, and private clients. From new arterial roads to local accessways and pavement upgrades, we manage the entire process from subgrade to through to final surfacing.
Our roading services include:
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New road and highway construction.
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Intersection upgrades, roundabouts, and access modifications.
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Tie-ins with existing carriageways, kerb lines, and surface features.
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Final surfacing in asphalts, chipseal, with line marking and traffic controls.
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Coordination with engineers, utilities, and traffic management.
We are experienced in staging roading construction and we maintain compliance with NZTA and local authority standards throughout the construction programme.
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We are specialists in the construction and installation of Three Waters systems – stormwater, wastewater, and portable water – for both public and private infrastructure projects. These essentials networks are delivered in full compliance with council design requirements, engineering specifications, and long-term performance outcomes.
Stormwater:
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Network design interpretation and installation
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Pipe laying (concrete, PE, PVC), manholes, and sumps
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Detention and retention ponds
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Soakage pits, swales, and overland flow paths
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Outfalls, riprap protection, and erosion control structures
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Installation of subsoil and surface drainage systems
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Construction of culverts, headwalls, and outlet structures
Wastewater
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Gravity and pressure sewer systems
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Manholes, connections, and property laterals
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Pump station tie-ins and chamber installation
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Testing and commissioning to consented requirements
Water Supply
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Potable water reticulation
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Rider mains and principal lines
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Isolation valves, hydrants, and air release valves
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Pressure testing and chlorination prior to connection
All Three Waters installations are delivered with full QA, testing records, and as-built drawings required for final council acceptance.
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A well-executed earthworks package is critical to the success of any infrastructure or construction project. We provide bulk earthmoving services using a modern fleet of GPS-enabled machinery, operated by experienced personnel.
Services include:
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Bulk cut and fill operations to engineered design
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Foundation and platform preparation for roads, buildings, and services
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Slope benching and batters
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Load-bearing layer construction and proof rolling
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Final trim to right tolerances using laser and GPS control
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Erosion and sediment control in accordance with regional environmental guidelines
We work closely with geotechnical engineers to meet soil performance requirements and provide documentation for compliance and inspection.
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Surface fatigue, cracking, and weather damage are inevitable, however, with Hamilton Civil + Asphalts, maintenance and resurfacing are straightforward and cost effective. We provide expert assessment and tailored treatments to extend the life of your assets.
Our services include:
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Asphalt overlays
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Chipseal rejuvenation
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Crack sealing and pothole repairs
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Surface patching and levelling
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Preventative maintenance planning
Whether you manage roads, carparks, or commercial sites, we help preserve and protect your investment.-
We construct comprehensive drainage and utility networks to support roading, subdivisions, commercial sites, and industrial platforms. Our drainage crews are trained in high-precision excavation, trench safety, and multi-service coordination.
Key capabilities include:
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Deep trenching and shoring for utility corridors
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Multi-service trenching for fibre, power, water, and gas
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Coordination with utility providers and staged trench delivery
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Backfill and compaction in accordance with trench detail drawings
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Reinstatement of pavement, berms, or landscaping areas
We also manage inspections, testing, and asset handover processes with relevant authorities or utility owners.
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Civil Infrastructure
Hamilton Civil + Asphalts delivers comprehensive civil infrastructure solutions across the North Island, supporting the development of major public, local authority, and private sector projects. We specialize in the delivery of technically complex, multi-discipline scopes including roading, three waters infrastructure earthworks and drainage.
Our team brings decades of experience in managing civil infrastructure projects that demand precision, compliance, and coordination with consultants, utility providers, and council stakeholders. From greenfield development to infrastructure upgrades, we deliver with confidence.
Why Choose Hamilton Civil + Asphalts?
End-to-End Delivery
One contractor delivering bulk earthworks, three waters, roading, and final surfacing.
Public and Private Sector Experience
Proven performance on council NZTA, and large private infrastructure projects.
Highly Skilled Team
Experienced project managers, operators, and site supervisors trained in high-complexity delivery.
Regulatory Compliance
Full QA, environmental controls, and adherence to NZS, council and utility provider standards.
Modern Plant & Technology
GPS controlled equipment, digital reporting, and efficient material handling systems.
Let’s build the infrastructure that moves, connects, and supports our communities.
Contact Hamilton Civil + Asphalts to discuss your next civil infrastructure project or request a capability submission.