Civil Infrastructure Specialists

Delivering Quality Civil Infrastructure Across New Zealand

Trusted by NZTA and local councils to deliver excellence in structural maintenance, strengthening, and civil construction — from bridges and culverts to reservoirs, power stations, and commercial structures.

NZTA Prequalified

Trusted Government Contractor

About Us

Civil Infrastructure Specialists

Based in Tauranga, New Zealand, Conspec Construction Ltd delivers specialist civil construction and structural maintenance services for NZTA and local councils. With extensive experience across bridges, culverts, reservoirs, power stations, and commercial structures, we bring the same commitment to quality, safety, and compliance to every project — large or small.

Experienced team of tradespeople
ISO 45001 health & safety, ISO 9001 quality management, and ISO 14001 environmental management systems
Environmental compliance and best practice
NZTA prequalified — trusted across government and commercial sectors

What We Do

Our Services

Structural maintenance and construction solutions for bridges, culverts, reservoirs, power stations, and commercial structures throughout New Zealand.

FRP Composite Strengthening

Application of fibre-reinforced polymer (FRP) laminates and carbon fibre systems to strengthen and extend the service life of bridges, beams, columns, and civil structures. A cost-effective alternative to full replacement.

Concrete Repairs

Specialist concrete repair and remediation services including spall repairs, crack injection, carbonation treatment, and surface reinstatement for bridges, retaining walls, and civil structures.

Retaining Wall Construction & Repair

Design, construction, and repair of retaining walls for roading, bridge approaches, and civil infrastructure. Including timber, concrete, and gabion systems with appropriate drainage and erosion protection.

Protective Coatings & Waterproofing

Application of specialist protective coatings, anti-carbonation treatments, and waterproofing systems for bridges, concrete structures, and civil infrastructure to extend asset life and prevent deterioration.

Pressure Grouting

Specialist pressure grouting services for void filling, ground stabilisation, and structural repair. Including cement and chemical grouting for bridges, retaining structures, and civil infrastructure.

Marine & Coastal Structures

Repair and maintenance of marine structures including wharves, jetties, and coastal infrastructure. Specialist knowledge of marine environments, tidal access, and corrosion protection systems.

Heritage Structure Restoration

Sensitive repair and restoration of heritage bridges and historic structures, including the iconic Bridge to Nowhere and Fairfield Bridge. Preserving architectural character while meeting modern structural and safety standards.

Concrete Floor Repairs & Reinstatement

Industrial and commercial floor repair services including crack stitching, joint sealing, surface grinding, and concrete topping reinstatement for warehouses, factories, and commercial buildings.

Bridge Maintenance & Inspection

Planned and reactive maintenance programmes for bridges and civil structures, including condition assessments, deck joint replacement, bearing inspections, and drainage maintenance for NZTA and local councils.

Culvert Rehabilitation

Structural repair and rehabilitation of culverts and stormwater infrastructure using shotcrete, protective linings, and concrete repairs. Restoring hydraulic capacity and structural integrity without full replacement.

Reservoirs & Water Infrastructure

Maintenance, repair, and rehabilitation of reservoirs, water treatment plants, and water infrastructure. Specialist knowledge of potable water compliance, chemical resistance, and structural requirements.

Commercial & Industrial Structures

Structural repairs, concrete remediation, and maintenance works for power stations, industrial facilities, and commercial buildings. Delivering specialist civil construction skills across a broad range of asset types.

Portfolio