| 57 T T Rosa Watson Specialists in high-risk, high-tech jobs The company’s expertise is in deep piling and it has invested in specialist piling equipment. Moore Construction CONTRACTING • Mobile Welding & Engineering • Welding & Fabrication • Repairs & Maintenance • Profile Cutting Services • Jetboat Building & Boat Repairs Products and service for the civil construction industry 0274 421 421 sam@amw.co.nz 12 Tanya St, Bromley www.allmetalwelding.co.nz ALL METAL WELDING 06 368 4044 | sales@cpenz.co.nz | 47 South Road, Levin Taking on challenging and highly-technical civil construction jobs has set Christchurch and Queenstown based construction firm Moore Construction apart from the others. The company was established in 1990 by Chris Moore. It initially focused on concrete structures, small bridges, culverts, and kerb and channel projects primarily for Grey District Council and roading contractors on the West Coast. Since then, the company has grown significantly, now employing 30 full-time staff members as well as temporary staff. The company’s expertise is in deep piling, complex retaining structures and complex concrete works. And with over 34 years of experience in the construction industry, it has developed extensive in-house engineering capabilities, and has invested in specialist piling equipment. “Overall, Moore Construction’s combination of expertise in deep piling, complex retaining structures, and concrete works, coupled with our engineering capabilities and specialized equipment, positions us as a leading provider for high-risk and impressive projects in the construction sector,” managing director Nathan Moore said. A significant project recently undertaken was the Mitre 10 retaining works in Timaru for client Rooney Earthmoving. There were several challenges to the project, including installing 77, 900mm diameter piles to a depth of 13 meters, installing 40, 750mm diameter piles to a depth of eight metres, and construction of a concrete capping beam. One of the challenges was working in close proximity to existing structures while avoiding encroachment issues. “Additionally, they needed to carefully coordinate their work around existing propping to ensure the stability of the structures in place.” Strategies to meet these challenges included staging works to allow for precise planning and execution, minimizing the risk of encroachment or disruption to existing structures, coordinating with the client, and using advanced technology such as the Trimble Robotic Total Station for accurate marking of each pile’s location. The Carlin Hotel project undertaken by Moore Construction in Queenstown was another significant endeavour led by Regan Cooper, with a dedicated team of five to eight staff members. It involved installing 800mm diameter piles, some reaching depths of up to 24 meters. Most of these piles were drilled under a polymer with starter casing, indicating advanced drilling techniques to ensure stability and structural integrity. A small platform was created at the top using methods such as using a 13-tonne digger to climb the site and install SP3a sheet piles to form the platform before the drilling rig was brought in to complete the initial tranche of piling and capping beam. Overburden materials were utilised to create additional platforms. Moore Construction worked closely with Hampton Jones to value engineer the design, optimising construction processes and materials for efficiency and cost-effectiveness while maintaining structural integrity. The Roki Hotel piling and retaining structure project in central Queenstown was one of their most significant and challenging endeavours to date, Nathan said. Various pile diameters, including 600mm, 750mm, and 900mm, were drilled to depths of up to 18 metres in rock. The drilling process was particularly challenging due to the large diameter and the use of a Down The Hole (DTH) hammer, which required specialised equipment not widely available in New Zealand. The team also installed anchors and capping beams using their C6 Casagrande drilling rig and Robex casing system. The project also involved removing around 8000 cubic metres of materials, 5000m3 of which was hard rock. It was a complex process due to constraints imposed by resource consent conditions, which prohibited the use of explosives or excavator mounted rock breakers, Nathan said. Moore Construction prioritised project, community, and workplace safety as fundamental aspects of its operations. It is invested in the ongoing development of its staff, ensuring they have the necessary skills and knowledge to carry out their roles safely and effectively.” They are engaged with the Connexis apprenticeship program, providing opportunities for hands-on learning and mentorship from senior staff members. A recent one-year renewal audit for ISO9001, ISO14001, and ISO45001 showed the firm’s commitment to maintaining high standards of quality, safety, and environmental management, he said
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