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Audited Plants by Name

Plant Audits as Determined by the Plant Audit Committee

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Company Plant Location MPa Start Date Expiry Date Certificate
Sandford Bros Limited Hawera 45 01 Aug 2023 31 Jul 2024 Download PDF
Stevenson Concrete Limited Drury 50 01 Nov 2023 31 Oct 2024 Download PDF
East Tamaki 50 01 Nov 2023 31 Oct 2024 Download PDF
Penrose 50 01 Nov 2023 31 Oct 2024 Download PDF
Ranui (New Plant) 50 15 Feb 2024 31 Mar 2024 Download PDF
Silverdale 50 01 Nov 2023 31 Oct 2024 Download PDF
Supacrete Concrete Limited Tauranga (Greerton) 50 01 Feb 2024 31 Jan 2025 Download PDF

Key/Notes

  1. (Satellite) Plant which operates intermittently, as a satellite of another plant. It uses the same materials, mix designs and personnel as the parent plant.
  2. * Interim audit certificate. Usually on 3 month period.
  3. MPa indicates highest mix strength recorded and accepted by the Audit.
  4. Mixes over 50MPa are subject to specific agreements with client and are designated Special Concrete as defined in NZS 3109/NZS 3104.