This publication is no longer current or has been superseded.
The objective of this report is to help territorial and regional authorities to establish kerbside collections for household organic waste. Household organic waste can include kitchen waste and green waste.
Separating organic waste at the household level provides many benefits, including:
The Auckland Organic Waste Working Group (AOWWG) [The AOWWG consists of representatives from the Auckland, North Shore, Manukau and Waitakere City Councils.] commissioned this report to form part of a suite of reports [The other reports are: URS New Zealand Limited, 2004a, 2004b; WasteNot Consulting, 2004.] that cover aspects of household organics kerbside collection, from separation at source through to composting technologies and market issues. The reports cover food-waste composting technologies, food-waste market issues, and a comparison of the "disintegrability" of plastic bags in VCU® (vertical composting unit) processing.
The scope of this document is to assess organic waste kerbside collection methods - both systems already implemented and those undertaken on a trial basis - and to identify matters for territorial authorities to consider before implementing a collection of this nature. The main objectives of this report are to:
Note: the following are not within the scope of this paper:
The next section discusses the factors to consider when selecting kerbside organic waste collection systems. It covers the merits and drawbacks of various kerbside collection systems based on the case studies that are reported in depth in the appendices. In particular, section 2 includes a discussion of types of organic waste, options for kerbside organic waste collection systems, frequency of collection, monitoring and trialling of collections, householder education, and market issues. Section 3 presents a methodology for assessing and comparing various kerbside organic waste-collection systems, and section 4 provides the conclusions of this report.