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*Note: The "After" values for Electricity and Water Consumption are extrapolated from 3 months of post-implementation data to
represent a 12-month projection.

Table 4. Cost Breakdown for Eco-Solution (Parts Washer machine)

Potential carbon and cost savings for Singapore Limitations and Future Considerations:
The implementation of the Parts Washer machine for At the time of writing, the data was collected over a short
parts cleaning during servicing has yielded substantial period of 3 months (post-implementation), which may limit
environmental and financial benefits in this project. the accuracy of annual projections. A longer-term study would
be recommended to obtain a more precise estimate of the
Energy Consumption and Cost Reduction: long-term impact.
•Electricity: Electricity consumption decreased by 3.58% from Despite this limitation, the significant reduction in
16,740 kWh to 16,140 kWh, resulting in a 3.99% reduction in CO2 emissions and cost savings achieved through the
electricity costs, amounting to $196.32. This decrease also led implementation of the Parts Washer highlight its potential to
to a 3.58% reduction in CO2 emissions, equating to 143.42 kg contribute to the overall sustainability goals of the machinery
of CO2. servicing industry.
•Water: Water usage was reduced by 6.87% from 244.4 m³ to
227.6 m³, leading to a 0.70% decrease in water costs, totalling Potential carbon and cost savings for Singapore
$4.72. Additionally, this reduction contributed to a 6.87% Considering the industrial and commercial sectors in
decrease in CO2 emissions, amounting to 24.02 kg of CO2. Singapore, it is reasonable to estimate that approximately
1,000 machines are used for washing machine parts across
Overall Impact: various industries. If we extrapolate this solution to a national
•CO2 Emission Reduction: The combined reduction in CO2 level, it could result in 274104 kg of CO2 emissions annually
emissions from both electricity and water usage amounted to from the machine parts cleaning sector in Singapore.
3.75%, equating to 274.104 kg of CO2 annually.
•Cost Reduction: The total cost reduction, considering Conclusion
both electricity and water, was 3.6%, amounting to $201.04 The implementation of a Parts Washer in the machinery
annually. servicing process has proven to be a significant step towards a
more sustainable and cost-effective operation. By significantly
Potential Cost Savings: reducing both energy and water consumption, the Parts
Based on average electricity and water prices in Singapore: Washer has demonstrated its potential to contribute to
•Electricity: A company consuming 16,740 kWh annually substantial environmental benefits.
could potentially save approximately $148.30 per year.
•Water: A company consuming 244.4 m³ annually could The data collected over 3 months revealed a notable decrease
potentially save approximately $23.60 per year. in CO2 emissions. The combined reduction in emissions
from electricity and water usage amounted to a substantial
10.46%, equating to 274.104 kg of CO2 annually. These figures

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