PLANT AUDIT SCHEME

for Audit of Concrete Production Plants

Northland / Auckland

Audited Plants by Zone

Plant Audits as Determined by the Plant Audit Committee

Company Plant Location MPa Start Date Expiry Date
Allied Concrete Avondale 50 01 Nov 2020 31 Oct 2021
Bombay 50 01 Nov 2020 31 Oct 2021
East Tamaki 50 01 Nov 2020 31 Oct 2021
Penrose 50 01 Nov 2020 31 Oct 2021
Silverdale 50 01 Nov 2020 31 Oct 2021
Waipapa 50 01 Nov 2020 31 Oct 2021
Whangarei 50 01 Nov 2020 31 Oct 2021
Atlas Concrete Limited Kumeu 50 01 Nov 2020 31 Oct 2021
Maungaturoto 50 01 Nov 2020 31 Oct 2021
Panmure 50 01 Nov 2020 31 Oct 2021
Ruakaka 50 01 Nov 2020 31 Oct 2021
Silverdale 50 01 Nov 2020 31 Oct 2021
Takapuna 50 01 Nov 2020 31 Oct 2021
Warkworth 50 01 Nov 2020 31 Oct 2021
Wiri 50 01 Nov 2020 31 Oct 2021
Counties Ready Mix Limited Drury No. 1 50 01 Nov 2020 31 Oct 2021
Drury No. 2 50 01 Nov 2020 31 Oct 2021
Firth Industries Albany 50 01 Nov 2020 31 Oct 2021
Auckland Airport 50 01 Nov 2020 31 Oct 2021
Dargaville 50 01 Nov 2020 31 Oct 2021
Hamer Street 50 01 Nov 2020 31 Oct 2021
Henderson 50 01 Nov 2020 31 Oct 2021
Leonard Road 50 01 Nov 2020 31 Oct 2021
Manukau 50 01 Nov 2020 31 Oct 2021
Pukekohe 50 01 Nov 2020 31 Oct 2021
Puketona 50 01 Nov 2020 31 Oct 2021
Silverdale 50 01 Nov 2020 31 Oct 2021
Waiheke Island 50 01 Nov 2020 31 Oct 2021
Whangarei 50 01 Nov 2020 31 Oct 2021
Marsden (Satellite) 50 01 Nov 2020 31 Oct 2021
Formstress Precast Limited Waiuku 50 01 Nov 2020 31 Oct 2021
Mangonui Haulage Limited Mangonui 50 01 Nov 2020 31 Jan 2021
New Zealand TT Concrete Limited Mangere - - -
Pukepoto Ready Mix Limited Kaitaia 50 01 Nov 2020 31 Oct 2021
Stevenson Concrete Limited Drury 50 01 Nov 2020 31 Oct 2021
East Tamaki 50 01 Nov 2020 31 Oct 2021
Penrose 50 01 Nov 2020 31 Oct 2021
Stresscrete Northern Limited Papakura No. 1 50 01 Nov 2020 31 Oct 2021
Papakura No. 2 50 01 Nov 2020 31 Oct 2021
Virgin Concrete Limited Kamo 50 01 Nov 2020 31 Oct 2021
Wharehine Ready Mixed Concrete Limited Mangawhai 50 01 Nov 2020 31 Oct 2021
Matakana 50 01 Nov 2020 31 Oct 2021
Wellsford 50 01 Nov 2020 31 Oct 2021

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.