Sustainability Report 2010
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Waste Minimisation

Case Study - New Zealand

Waste Minimisation

Reducing Landfill in New Zealand

In 2010 Westfield New Zealand commenced a review of all waste streams from its centre operations. Its objective was to establish a long term strategy to reduce waste to landfill and increase recycling, in line with the Westfield New Zealand National Sustainability Plan. 

In 2010 Westfield New Zealand centres generated 5,419 tonnes of landfill waste. Most of this waste came from public areas and retail tenants in the centre including food courts and amenities rooms. It was collected and disposed of by both Westfield cleaning contractors and retail tenants via waste facilities in the centre loading docks. Westfield New Zealand has a national waste service contract that removes landfill waste via compactor and bin facilities in each centre’s loading dock. Recycling of cardboard is in place at all sites and the recycling of other materials — including plastics, glass, paper and food waste — will be rolled out to all centre loading docks in 2011 following individual centre reviews. These services are provided by both regional and localised service contractors. 

The portfolio-wide review coincided with the tendering of the national waste service contract and gave an opportunity to modify the scope to align with the long term waste minimisation strategy. 

The key findings and opportunities to increase diversion from landfill were:

  • improved back-of-house loading dock facilities, signage and operations; 
  • improved common area recycling facilities, signage and operations; 
  • effective communication of strategy to all stake - holders as key to implementation;
  • accurate and reliable waste data to establish benchmarks and monitor results of changes;
  • buy-in and partnering with service contractors to achieve diversion.

Westfield Manukau was chosen as a pilot centre to implement operational changes to evaluate cost and operational effectiveness.

The key actions that have been implemented to date include:

  • re-design and trial of food court bussing stations to include waste recycling, and food and liquid waste facilities for sorting;
  • trialling of new food court cleaning operations to incorporate sorting of recyclable material at new bussing station design;
  • review of public area waste receptacles and opportunities to introduce public recycling;
  • review of stake holder communications to encourage recycling from all areas of operations;
  • partnering with external provider to provide waste and recycling seminar for tenants; 
  • improved monthly reporting and tracking of waste and recycling data from service contractors;
  • review of all back-of-house recycling facilities and signage requirements.

While implementation of the waste minimisation strategy is not complete at Westfield Manukau City early results produced a 12% reduction to landfill tonnage in the final quarter of 2010. It is expected that with complete implementation and increased participation from all stakeholders that a greater reduction in landfill will be achieved.