en.Wedoany.com Reported - New Zealand's Stevenson Aggregates has obtained two new quarry permits aimed at meeting market demand for aggregates and sand in the upper North Island region.

The two permits involve the company's hard rock quarry at the Sutton Block near Drury Quarry, and the sand mine at Newcombe Road in Cambridge. According to projections, the Sutton Block contains 240 million tonnes of aggregate resources, sufficient for 50 years of extraction; the Newcombe Road sand mine holds 7.5 million tonnes of sand resources, enough for 25 years of operation.

Environmental measures played a key role in the permit approvals. Stevenson Aggregates plans to undertake 62 hectares of vegetation restoration at the Drury site, along with pest control covering 108 hectares. Kaarearea Paa, located between the existing pit and the Sutton Block, will continue to be protected and benefit from additional planting. Furthermore, the company has proposed riparian planting and wetland restoration at the Tuakau Quarry, as well as planting on the Drury Islands in Manukau Harbour.

In terms of carbon reduction, the Drury Quarry has already deployed new electric crushers and conveyor systems, significantly reducing diesel consumption. Additionally, an 8.2-megawatt solar power station has been approved for construction near the quarry.

The Newcombe Road quarry may become operational within the next 12 months. The approved area for the sand mine is 23 hectares, with 4 hectares designated for the plant site. Along the site boundary, the Karapiro Stream will undergo 12 hectares of riparian planting and wetland restoration.

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