4Sight helps Transpower and its contractors with soil assessment and disposal options, saving them time and money. 

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4Sight have assisted Transpower on a number of different projects and on a range of sites. Our work has included:

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• Soil sampling and assessment;

• Advising on soil segregation methods to determine which material can be disposed of as cleanfill versus managed fill;

• Statistically analysing soil sample data to demonstrate to authorities that the majority of the soil is actually cleanfill, which saved the client more than $500,000;

• Helping the client to avoid practices that could result in large areas of land being classified as potentially contaminated areas;

• Working with contractors and disposal facilities to find least-cost options for soil management.

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When 4Sight worked with the client on their Paraparaumu substation project, we provided a holistic contaminated land service centred around the goal of saving the client money by demonstrating that the majority of the site's soil could, in fact, be classified as cleanfill material.

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The nature of the project meant that we had to adopt a reactive, collaborative approach. 4Sight were often asked to provide on-call soil assessment services in advance of substation upgrade or construction operations, and we worked closely with the contractors and disposal facilities to manage soil as cost-effectively as possible.

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At the Paraparaumu substation, 4Sight helped the client save over $500,000 by helping to identify and segregate cleanfill from impacted soils, which meant that the majority of the material could be shipped offsite as cleanfill material. 

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At other sites, we have helped Transpower avoid practices that could result in large areas of land being classified as potentially contaminated areas, thus costing them large amounts of money. 

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The impressive results we've achieved for Transpower can be attributed to our thorough understanding of consenting and disposal requirements, and our strong working relationships with the contractors and disposal facilities.