
7 minute read
The products, service and skills for everything electrical
from Link Alliance









Scott Electrical has been helping electricians get the job done right since 1935. Back then, we were just a single store based in Auckland. Today, we’re one of the largest Kiwi owned and operated electrical wholesalers in the country.
We’ve got the upper North Island covered, with 17 branches from Kerikeri to Rotorua.
We’ve got a close working relationship with a network of wholesalers across the country too. So no matter how big your project or where it takes you, you know you can get the electrical gear you need, when you need it. Learn


The remaining solution was therefore to remove these obstructions from the TBM.
“In order to facilitate this task, the TBM cutterhead was designed with knives and the screw conveyor with many access hatches,” Dudouit explains. “The operating instructions of the TBM have been adapted to this area. The passage of the anchors on both TBM drives was carried out without long stops and the TBM was able to progress at a very satisfactory
LINK ALLIANCE – AT A GLANCE
Link Alliance includes New Zealand and international companies with a wealth of experience in delivering large-scale infrastructure projects similar to the CRL project both in New Zealand and overseas.
Three of the companies in Link Alliance will focus on the design side of CRL and the other three on construction.
Several of the companies already have some involvement with the CRL.
Link Alliance comprises of:
• City Rail Link Ltd
• Vinci Construction Grands Projets S.A.S
• Downer NZ Ltd
• Soletanche Bachy International NZ Limited
• WSP New Zealand Limited
• AECOM New Zealand Limited
• Tonkin + Taylor Limited average rate of 10m a day, validating the technical choices.”
Link Alliance was selected on the basis of a strong proposal that offered an experienced construction management team, and significant commitment to Link Alliance from the executives of the construction firms involved in efficient construction methodology and innovative engineering ideas.
The first TBM drive (on the MC30 tunnel) was completed in December 2021. After the start-up phase, the TBM achieved an average rate of 30 percent better than the 15m a day initially planned.
“The lessons learnt on the first drive enabled us to further improve productivity on the second drive, which was completed in September 2022. The TBM and the associated equipment are now fully dismantled,” Dudouit states.
Alliance In Auckland
Following the completion of TBMrelated activities at Maungawhau, Link Alliance’s focus shifted to finishing the remaining civil works associated with Maungawhau/Mount Eden Station, namely the station building, train platforms, grade separated structures on the east and west sides, and starting the architectural and systems fit out works.
The North Auckland Line (NAL) works will be completed and both tracks in operation by mid-2023. In previous years, due to the sequencing of the works, trains operated on a single line through the work site. Works will be completed during the block-of-line (BOL), a period when no trains travel on the rail tracks, enabling construction to safely take place unimpeded.
“This was successful thanks to efficient works preparation, the commitment of the team and collaboration with Auckland Transport and KiwiRail,” Dudouit affirms. “To deliver such a complex infrastructure project in a challenging environment, it is key to first invest in people because they deliver the project. It starts by building a culture in which health and safety are at the heart, by investing in wellbeing, training, and developing people’s capabilities and talents.
“We rely on our team to deliver
Gleeson and Cox
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Gleeson Group is a New Zealand owned transport and civil infrastructure business that specialises in excavation, bulk haulage, aggregate supply and managed fill disposal.
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We provide our customers with quality solutions on even the most complex projects and we always deliver.
We do what we say we’ll do. It’s that simple.
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We are happy to have worked alongside the Link Alliance team on the City Rail Project in Auckland providing bulk haulage and disposal of the TBM spoil. With up to 50 of our trailer units assigned every day, our client was able to achieve their programme deadlines.
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Jackson Formwork
Auckland’s CRL project is a large-scale venture that required our in-depth expertise regarding architectural concrete.
“Jackson [Formwork] has been a valuable partner in the building of Maungawhau/Mount Eden station and ventilation buildings, using its state of the art CNC machining technology to produce complex moulds [for] the external panels on the ventilation building, and the feature waterwall inside the Maungawhau/Mount Eden station building. Together, we’ve brought local history and stories to life, and will leave a legacy long after the CRL project has finished.” Robert Potter, Deputy Construction Manager, CRL (Maungawhau/Mount Eden) 2023. jackson.co.nz/formwork a very significant part of the work that we self-perform, and on our subcontractors to deliver the rest. It is important to establish strong and trustful relations with our subcontractors and suppliers. They should feel entirely part of Link Alliance and motivated to jointly deliver this project as a team.”




For Dudouit, investment in design and works preparation was made ahead of the start of on-site works, as adoption of state of the art processes and equipment, and promoting innovations, are key to the timely delivery and performance of works in a safe environment to reach the required productivity.
Infrastructure Expertise
CRL aims to make a truly national impact on New Zealand, changing the face of Auckland’s transport infrastructure to accommodate an ever-growing and busy region. Sean
Sweeney, CEO of CRL, stands at the helm of the project, overseeing its progress as the largest of its kind in the country’s history.
Sweeney is an experienced executive with a proven history of leadership over large infrastructure projects in New Zealand, Australia, the US, and Europe. He is an engineer with a PhD in construction economics from the University of Melbourne.
“The CRL is now past the halfway mark, with tunnel boring complete and progressing well in the transition from civils to systems and the fit-out of the stations and tunnels,” he tells us.

The logistics for the tunnel fit out include more than 16km of rail track, 816km of signal cables, 247km low voltage cables, 86km traction cables, 74km cable containment, more than 5,100 square metres (m2) of metal cladding and more than 4,000m2 of glazing.
Legacy Construction
Legacy is working with Link Alliance on the Appendix26 civil works portion of the City Rail Link project Britomart Station.
Work involves construction of basebuild infrastructure for redevelopment of Britomart into a two-way through station, working amongst challenging logistics, handling building materials (reinforcing, blockwork, palletised concrete, structural steel) 12m below GL within restricted access areas; upgrading infrastructure to the station roof, housing a new transformer and the complete exterior Heritage Restoration of the Chief Post Office building.
Legacy has established high credibility with key stakeholders delivering high risk infra-development within live environments.
www.legacyconstruction.co.nz
Mechanical Support Systems
Mechanical Support Systems is New Zealand’s only locally owned designer, manufacturer, and installer of cable containment solutions with our factory located right here in Auckland.
We’re proud to work with Link Alliance to deliver smart and effective cable containment solutions that will stand the test of time. With over 17-years’ experience, and an exceptional reputation for delivery, we’re the trusted choice to make cable containment easy.
So, if you’re looking for better cable containment solutions, call the specialists at Mechanical Support Systems.
mechanicalsupport.co.nz



For Sweeney, the importance of the CRL to Auckland’s social, commercial, and economic health cannot be overstated. It’s appropriate that public transport and investment in transport infrastructure are issues attracting attention in local and national debates.
“There is a large range of diverse challenges facing Tāmaki Makaurau (Auckland) and many of those are centred around population growth, with Auckland forecast to top two million people by 2033,” Sweeney informs us. “Effective and efficient public transport is the great enabler of great cities.
“It accelerates investment across the commercial and social economies, bolsters the arts, events, retail and hospitality sectors, and creates new businesses and new jobs. Highly effective, efficient, accessible public transport is a key enabler in any ‘international standard’ city and the CRL will be the catalyst for that important change in Auckland.”
A National Impact
CRL will deliver a multitude of benefits to the area including a world-class underground rail network capable of coping with up to 54,000 passengers per hour; doubled capacity across the rail network; a train arriving at a CRL station in less than 10 minutes; improved travel options and twice the number of Aucklanders within 30 minutes of the central business district (CBD).
Moddex
Supporting New Zealand’s finest infrastructure!

Moddex NZ is proud to partner with Link Alliance on the CRL project and looks forward to supporting the project as it evolves.
Moddex’s off-site manufacture process and pre-engineered handrail and balustrade systems are proving their worth on this project, with fast and hassle-free installs falling well within block of line timeframes.
Moddex has brought time and cost savings to the table for Link Alliance. Our proprietary systems were an excellent value engineered option to replace the custom designs that were detailed and documented.
www.moddex.com
PFP Systems
PFP Systems has an enviable reputation in providing effective solutions to the most complex challenges in passive fireproofing, industrial precision grouting, pipeline coatings and tank linings. Together with our technical expertise, we’ve become widely recognised as an industry leader in managing difficult to handle materials and complex delivery systems.
PFP Systems are registered to ISO 9001 and ISO 14001 quality and environmental management systems and are active members of the Australasian Corrosion Association and Fire Protection Association of NZ. PFP Systems also maintain the Sitewise Green status.
www.pfpsystems.com