Based on this, water usage savings from installing dual flush toilets and flow restrictor valves are estimated to be a 46% reduction for toilets and 66% for showers and taps.This equates to annual cost savings of $14,243 (41%) being $3,997 from toilet usage,$6,986 from shower usage and $3,260 from tap usage. These estimated annual cost savings could then be included in LCC to identify the full cost/benefit of installing dual flush toilets and flow restrictor valves. The allocation of water usage to Responsibility Centres, based on MLC’s adjusted percentages (as trialed in section 3.1) provides for better management of the cost and when savings are achieved they will be more easily recognised. Also, obtaining detailed information on what the cost represents assists management in identifying opportunities to reduce the cost.
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