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Presentation of Data

Table 4. Overall projected amount and savings of the Eco-solution annual before/after
implementation

Potential Carbon and Cost Savings for Singapore around 52,676 visits. If each person uses 5.21 litres of water
By reducing water consumption, the project contributed to per visit, this amounts to a total water usage of 274,441.96
lowering the mosque's annual carbon emissions, which were litres. The initiative to save water through the project aims to
previously estimated at 2,649.79 kg CO2 due to water usage. reduce this amount by up to 233,618.06 litres.
Post implementation estimation should be 2,288kg CO2. The
estimated calculation for annual water consumption: The project aligned with Singapore's Green Plan 2030 and
Based on 5 days of water usage data collected, total usage is demonstrated the potential for scalable, sustainable solutions
4080.3 litres (4.08 m3) and saving is 3473 litres (3.473 m3), in public spaces. The team's innovative approach, combined
which is equivalent to 85% of water savings. The annual water with user feedback and technical expertise, ensured
usage after implementation is about 253.529 m3 (3.473 x the project's success and laid the foundation for future
365 ÷ 5). The estimated savings in water cost (SGD) are about implementations in other mosques and sectors.
S$840/year based on the commercial water cost of 3.315/ m3.
The device utilises Commercially Off-the-Shelf (COTS)
Currently, Singapore have 72 mosques. Suppose the eco components, which makes sourcing and replacing faulty parts
solution was applied to all the mosques, it is estimated to save straightforward and convenient. It can be seamlessly integrated
about 26,048kg CO2 emissions and $79,776 per year. However, into existing water systems without requiring extensive
this product has potential to be equipped in the public spaces infrastructural modifications. To ensure long-term success and
(Restrooms in malls, community centers, and educational user adoption, ongoing user training and technical support
institutions), hospitality (Customisable for non-religious uses will be essential. During the initial phase, the project faced
such as rinsing rice, washing hands, or food preparation) or several technical issues, primarily involving the calibration of
educational institution (Promotes sustainability education and the water flow sensor to ensure the smooth operation of the
awareness on campuses) for more water save in Singapore. touchless faucet. Overcoming these challenges was crucial to
achieving optimal performance reliability for the product. In
Conclusion addition to technical hurdles, there was a learning curve for
some users who were unfamiliar with the touchless system.
The WiseWudhu project successfully developed and To address this, brief training sessions were organised, helping
implemented a water-saving device that significantly reduced users adapt to the new technology and maximise its benefits.
water consumption from 5.21 litres to 0.775 litres of water These initial adjustments were essential for both the product's
used per ablution at Masjid Ahmad Ibrahim. Based on the technical efficacy and user acceptance.
data, an average of 115 people attend the mosque for prayer
each day from Monday to Sunday, except on Fridays when
about 323 people attend. This results in a weekly total of
approximately 1,013 visits. Annually, the mosque receives

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