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Dave Pratt – Director

Dave has worked for over 30 years in the civil construction industry. He has been a General Superintendent and Foreman for more than 15 years and has operated a variety of equipment. He has also trained and certified other operators in the use of plant and production techniques.

He has supervised the construction of 20 major contracts which have included teams of up to 70 staff and many subcontractors. He has gained a number of qualifications in site management and has extensive experience and training in site safety, quality assurance management and environmental controls. He is very experienced with NZTA standards for roading construction and KiwiRail for works in the rail corridor.

  • Diploma in Project Management NZ Institute of Business (NZ Dip. PM)
  • NZ Certificate – EXIOT B Grade Quarry Surface Manager, Plant Management
  • NZ Certificate – Civil Construction Supervisor Level 4
  • Traffic Management Level 1 (NZTA) implementation of traffic management
  • Development of a field workbook for environmental protection and compliance to ARC standards
  • New Zealand Standard NZ; 3910 Conditions of Contract
  • NZTA Standards for all State Highways
  • Accredited Workplace Assessor – NZ Contracting ITO

Derek Holmes – Project Director

Derek Holmes, holding an NZ Certificate in Engineering (Civil) and a suite of industry-specific qualifications, is a pivotal figure within the Civil Alliance team. With a career spanning over four decades, Derek has significantly impacted the delivery of landmark infrastructure projects, including multiple motorway construction projects across Auckland, City Rail Link (link Alliance) and recently, managing a panel of 10 x contractors for Coromandel Cyclone Gabriel Recovery.

Renowned for his technical acumen in methodology and management planning, Derek excels in stakeholder engagement and strategic project execution. His recent leadership on the City Rail Link highlights his exceptional skill in orchestrating complex construction phases and ensuring timely project completion. His deep expertise in constructability, value engineering, and risk mitigation, combined with a proven track record in high-stakes projects, underscores his invaluable contribution to our team.

  • NZ Certificate in Engineering (Civil)
  • Engineer to Contract
  • STMS Level 1, 2 & 3 N/P exp
  • Construction Contracts Act 2015
  • NZS3910 and FDIC Contract Management
  • MEngNZ
  • Construct Safe

Edwin Zwanenburg Senior Engineer

Edwin is our Senior Engineer with almost 30 years’ experience in the industry both in NZ and internationally. In his roles at Downer NZ and Fletcher Infrastructure, Edwin worked on significant projects like the City Rail Link and Waterview Tunnel. There, he honed his skills in engineering management, project planning, and constructability support, which he now brings to Civil Alliance, ensuring successful and high-quality deliveries. Edwin’s technical expertise and proactive leadership make him a valuable asset to Civil Alliance, ensuring our clients receive projects that meet and exceed their benchmarks for success.

  • Hogeschool van Utrecht – Faculty of Science and Engineering – Department of Construction Engineering, The Netherlands, Sept. ‘91 – Jun. ’95 – diploma awarded
  • BE Civil Engineering Degree
  • NZQA Level 7 certified
  • MEngNZ, CPEngNZ, IntPE.

Rachael McNaught – Health and Safety Manager

Rachael, our Health and Safety Manager, has over 30 years of experience in the civil and mining sectors, with the last decade as a H&S specialist. For Rachael it’s about the people. Known for her practical approach, experience, and outstanding communication skills, Rachael engages all levels of project teams throughout the project lifecycle.

As a former Environmental, H&S Manager for Higgins Hawkes Bay and QSE manager for Tupore Infrastructure, she has led safety efforts on key projects like the Napier Port Wharf 6 and the SH2 Silverstream alignment. In 2023, Rachael was part of the WorkSafe and Infrastructure Commission ‘Thriving Infrastructure’ cohort. Her track record includes the recovery work on the North Auckland Line for KiwiRail and leading safety initiatives during Cyclone Gabrielle. A Professional Member of the NZISM and listed on the HASANZ register, our Health and Safety management is in capable hands with Rachael.

  • Professional Member New Zealand Institute of Safety Managers (ProfNZISM)
  • HASANZ Registered
  • Diploma in Occupational Health and Safety (Level 6)
  • National Certificate in Extractive Industries – Surface Extraction (B-Grade) (Level 5)
  • NZ Certificate in Adult and Tertiary Teaching (Level 4)
  • Member of WorkSafe ‘Thriving Infrastructure’ cohort 2023
  • Member of the MinEx Quarry Manager Certificate of Competence coaching and mentoring team.
  • Member of the Kraft Heinz (Hastings Site) Covid 19 Crisis Management Team (essential service)
  • 2022 Safety Leadership Programme (DuPont)
  • 2020 Safety Leadership Programme (Leading Safety)

Campbell Stewart – Environmental control and management

Campbell is a leader in Construction Environmental Management with over 28 years of experience in erosion and sediment control and environmental planning. As the former Director of the International Erosion Control Association (IECA Australasia Chapter), his expertise gained from council and consultancy work includes managing multi-disciplinary environmental projects.

Recognised with awards like the Waikato Regional Council Erosion and Sediment Control Earthworks 'Site of the Year' for the Te Uku Wind Farm and Huntly Bypass, Campbell has contributed to major projects such as the Te Ahu a Turanga Highway and the SH1 Pukekohe to Bombay Upgrade. His skills in designing and managing environmental plans ensure compliance and project success. As the author of Auckland Council’s award-winning GD05 Erosion and Sediment Control Guideline, Campbell has influenced best practices nationwide.

Campbell is also a recognised Erosion and Sediment Control and Environmental Management trainer, delivering an IECA Approved Training courses to councils, contractors and consultants across New Zealand.

  • Bachelor of Resource Studies (Land & Water Management/ Forestry) – Lincoln University
  • Certified Professional in Erosion and Sediment Control (CPESC No. 7630).
  • Erosion and Sediment Control Industry Registration.
  • Land Use Capability Mapping.
  • Facilitation Training.

Morisha Raj – Quantity Surveyor

Morisha is our Quantity Surveyor, bringing extensive expertise in evaluating, planning, and executing cost estimation for our projects. Since joining Civil Alliance in January 2024, she has been instrumental in handling KiwiRail claims, showcasing her meticulous attention to detail and strong analytical skills. Previously, at Clevercore CM Ltd, she contributed to Auckland Airport Pavement Works by performing take-offs, obtaining supplier and subcontractor quotes, and maintaining accurate project records.

Morisha’s contributions to Civil Alliance extend beyond project execution; her precise pricing and tender preparation significantly enhance the company’s competitive edge. Her ability to manage project costs effectively and her keen understanding of construction contracts make her an invaluable asset, ensuring successful project outcomes and robust financial management.

  • Diploma in Construction (Quantity Surveying) – Open Polytechnic (in progress)
  • Certificate in Civil Estimating – NZ Academy of Estimators

Jess Bain – Senior Administrator

Meet Jess, our exceptional Senior Administrator, who plays a pivotal role in keeping our company running smoothly. As the glue that holds our organization together, Jess handles a wide range of responsibilities, ensuring the seamless operation of our business. From recruitment to day-to-day management, Jess is a master at multitasking. She expertly navigates through various tasks, including compliance and regulatory matters, guaranteeing that our operations adhere to the highest standards. With her keen attention to detail and organizational prowess, Jess ensures that all aspects of our business run efficiently and effectively. We truly appreciate Jess's invaluable contributions, as she keeps our company thriving and sets the foundation for our success.

  • Diploma of Engineering (Civil)