Northland / Auckland

Audited Plants by Zone

Plant Audits as Determined by the Plant Audit Committee

Northland / Auckland

Company Plant Location MPa Start Date Expiry Date Certificate
Allied Concrete Avondale 50 01 Nov 2021 31 Oct 2022 Download PDF
Bombay 50 01 Nov 2021 31 Oct 2022 Download PDF
Penrose 50 01 Nov 2021 31 Oct 2022 Download PDF
Silverdale 50 01 Nov 2021 31 Oct 2022 Download PDF
Waipapa 50 01 Feb 2022 31 Oct 2022 Download PDF
Whangarei 50 01 Nov 2021 31 Oct 2022 Download PDF
Atlas Concrete Limited Kumeu 50 01 Feb 2022 31 Oct 2022 Download PDF
Maungaturoto 50 01 Feb 2022 31 Oct 2022 Download PDF
Panmure 50 01 Nov 2021 31 Oct 2022 Download PDF
Ruakaka 50 01 Feb 2022 31 Oct 2022 Download PDF
Silverdale 50 01 Feb 2022 31 Oct 2022 Download PDF
Takapuna 50 01 Nov 2021 31 Oct 2022 Download PDF
Warkworth 50 01 Feb 2022 31 Oct 2022 Download PDF
Wiri 50 01 Nov 2021 31 Oct 2022 Download PDF
Counties Ready Mix Limited Drury No. 1 50 01 Nov 2021 31 Oct 2022 Download PDF
Drury No. 2 50 01 Nov 2021 31 Oct 2022 Download PDF
Duracrete Products Limited Kauri 50 01 Nov 2021 31 Oct 2022 Download PDF
Firth Industries Albany 50 01 Nov 2021 31 Oct 2022 Download PDF
Auckland Airport 50 01 May 2022 31 Oct 2022 Download PDF
Dargaville 50 01 Feb 2022 31 Oct 2022 Download PDF
Hamer Street 50 01 Nov 2021 31 Oct 2022 Download PDF
Henderson 50 01 Nov 2021 31 Oct 2022 Download PDF
Leonard Road 50 01 Nov 2021 31 Oct 2022 Download PDF
Mangawhai 50 01 Feb 2022 31 Oct 2022 Download PDF
Manukau 50 01 Nov 2021 31 Oct 2022 Download PDF
Matakana 50 01 Feb 2022 31 Oct 2022 Download PDF
Pukekohe 50 01 Nov 2021 31 Oct 2022 Download PDF
Puketona 50 01 Feb 2022 31 Oct 2022 Download PDF
Silverdale 50 01 Nov 2021 31 Oct 2022 Download PDF
Waiheke Island 50 01 Feb 2022 31 Oct 2022 Download PDF
Wellsford 50 01 Feb 2022 31 Oct 2022 Download PDF
Whangarei 50 01 Feb 2022 31 Oct 2022 Download PDF
Marsden (Satellite) 50 01 Feb 2022 31 Oct 2022 Download PDF
FNR Concrete Limited Kaitaia 50 01 Feb 2022 31 Oct 2022 Download PDF
Formstress Precast Limited Waiuku 50 01 Nov 2021 31 Oct 2022 Download PDF
Mangonui Haulage Limited Mangonui 50 01 Feb 2022 31 Oct 2022 Download PDF
New Zealand TT Concrete Limited Mangere 40 01 Nov 2021 31 Oct 2022 Download PDF
Stevenson Concrete Limited Drury 50 01 Nov 2021 31 Oct 2022 Download PDF
East Tamaki 50 01 Nov 2021 31 Oct 2022 Download PDF
Penrose 50 01 Nov 2021 31 Oct 2022 Download PDF
Ranui 50 01 Nov 2021 31 Oct 2022 Download PDF
Silverdale 50 01 May 2022 31 Jul 2022 Download PDF
Stresscrete Northern Limited Papakura No. 2 50 01 Nov 2021 31 Oct 2022 Download PDF
Virgin Concrete Limited Kamo 50 01 Nov 2021 31 Oct 2022 Download PDF
Kamo No. 2 (Satellite) - - - -

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.