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2018 SUSTAINABILITY AWARDS

SUPREME AWARD WINNER
MCCONNELL DOWELL – HEB CONSTRUCTION (JV) for
Mangere Wastewater Treatment Plant BNR Upgrade, Auckland

10 Oct 2018

The McConnell Dowell – HEB Construction Joint Venture (JV) has collected the 2018 Supreme Concrete3 Sustainability Award for the Mangere Wastewater Treatment Plant BNR Upgrade, the largest single-site capital works delivery of wastewater plant for almost twenty years.

The Award, presented at the Concrete NZ Conference in Hamilton on 12 October, celebrated concrete’s role in realising an important piece of Auckland infrastructure; one of the most significant mechanical undertakings the country has ever seen, says Concrete NZ chief executive Rob Gaimster.

The judging panel commended the McConnell Dowell – HEB Construction JV, along with project partners Watercare, Holmes Consulting and CH2M Beca, for working collaboratively to enhance the programme, manage project risks, and provide solutions with an emphasis on sustainability, in a culture motivated by the concept of ‘Together Doing it Better’.

Environmental sustainability was at the project’s heart, protecting the Manukau Harbour for future generations to enjoy.

Economic sustainability was achieved through astute design, excellent planning and attention to quality, longevity and durability. The design and construct of the complex concrete structures was key to achieving this goal - the structural brace system offered efficiencies that enabled a reduction in member size and the amount of material used, while post-tensioning offered enhanced durability and resilience to resist induced compression.

Social sustainability for the local community and the JV’s own employees was placed on an equal footing with the environmental and economic pillars of sustainable development’s ‘triple bottom line’; and was achieved through the integration of extensive planting along with walking / cycling initiatives, while a strong safety culture and emphasis on training was constant throughout.

On its way to the top prize, the McConnell Dowell – HEB Construction JV and projects partners won the Excellence in Concrete Innovation category award.

JUDGES' CITATION

The use of concrete in helping to bring-to-life the Biological Nutrients Removal (BNR) facility, which is designed to provide capacity for Auckland's growing population, and in turn maintain water quality in the Manukau Harbour, must be commended in the highest order. Such a large and complex project could not have achieved its goals of structural durability and a 100-year design life without a collaborative commitment to value engineering, itself underpinned by innovation. The consideration of all aspects of sustainable development across the scale and scope of this infrastructure project, and the use of concrete as a key construction material, played a vital role in balancing growth with respectful outcomes.

SUBMITTED BY McConnell Dowell - HEB Construction JV

CLIENT Watercare Services

CONSULTANT CH2M Beca and Holmes Consulting

CONTRACTOR McConnell Dowell - HEB Construction JV