Page 194 - Towards A Sustainable Future 2024

Eco-Solution 4: Implementing a 4-Day Work
Week • Water Recycling: Soaping and rinsing water are recycled
within the system, with water replenished in the second
Noticing daily office occupancy for 5.5 days a week, we rinse tank periodically.
recognised an opportunity to reduce electricity usage by
transitioning eligible staff to a 4-day work week, allowing • Debris Filtration: The sieve or mesh acts as both a debris
staff to work from home on the fifth day. During the visit, we collector and a filtration mechanism, preventing fine debris
found that each desktop consumes 1.64 kWh of electricity from being flushed out through the drainage.
daily when operated for 8 hours. This could result in a notable
reduction in annual electricity consumption. • Oil Separation: Before draining, wastewater passes through
a filter to separate oil from water, ensuring environmentally
Recommendation: A 4-day work week for staff eligible to responsible disposal.
work from home. Proposed to start with five deskbound staff
members. This would reduce the annual usage of electricity • Mobility: Tanks are equipped with wheels to facilitate
by 639.6 kWh based on the calculation below: 1.64 x 1.5 handling larger items.
(WFH) x 5 (staff) x 52 (weeks) = 639.6 kWh
The ESI team proposed fabricating a cascade overflow
Impact: Average significance as it reduces electricity wash and rinse tanks with three partitions of aluminium
usage. The company’s management team can implement compartments (Figure 10). The estimated dimensions of the
suggestions. product are 2 meters in length, 1 meter in width and 1 meter
in height.
Chosen Eco-Solution: Cascade Overflow Wash The soaping and rinsing water will be reused and recycled
and Rinse Tanks in this system. Water is replenished in the second rinse tank
three times a week. Each tank will have a sieve or mesh
Eco Solution 1 has been chosen as the focal project to (highlighted in red dashed lines) at the bottom, which will
promote environmental awareness and sustainability within collect the finest debris. This debris can be easily removed
the company. The eco-solution involves fabricating cascade after each wash and will not be flushed out through the
overflow wash and rinse tanks with three aluminium drainage but will be recycled instead. The sieve or mesh also
compartments, as inspired by the design of dishwashing acts as a means to filter the water. Once it is time to drain the
machines. This innovative approach aims to recycle and tank, the wastewater passes through a filter that separates
reuse soaping and rinsing water, thus significantly reducing the oil from the water before releasing it into the drain. The
water consumption and minimising environmental impact. tanks will also have wheels to facilitate easy mobility.

Eco-Solution Design:

• Tank Configuration: The system comprises cascade
overflow wash and rinse tanks with three aluminium
compartments, each equipped with a sieve or mesh at the
bottom to collect fine debris.

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