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Student Designer
University Product Description and Principal Function(s) Stak is a stackable portable toilet for events. Currently, the maximum number of portable toilets that can be transported on one truck is 10. Because of its stackability, Stak maximises the space on truck and allows 16 toilets to be transported at once which greatly reduces the cost.Stak is further designed with sensitivity towards less able user. This has resulted in improvement in user comfort and hygiene. This is achieved through maximising the space inside the toilet, improving the design of toilet seat, incorporating sanitation with better hygiene, and light. Why does the product represent design excellence and why do you believe it deserves an Australian Design Award? Currently, the maximum number of portable toilets that can be transported on one truck is 10. This costs portable toilet supplier money, time and energy particularly if there is a huge number of toilets to be transported or the distance travelled is far. Because of its stackability, Stak maximises the space on truck and allows 16 toilets to be transported at once.Furthermore, the current portable disabled toilet for events does not quite cater for the needs of disabled user. Disabled toilet further appears to exclude some group of people due to the notion of ‘disabled’, and the signage used. The wheelchair sign implies that only people with wheelchair may use the disabled toilet, hence the ‘less able’ group, such as the elderly, mothers with babies, and pregnant mothers tend to use the ordinary portable toilet, while the design of the ordinary toilet does not quite accommodate for their capabilities. Hence, this raises the need of designing an inclusive portable toilet which is more sensitive in accomodating both able and less able group. Hence, Stak is further designed with sensitivity towards less able user which has resulted in improvement in user comfort and hygiene. This is achieved through : 1. Utilising waterless sanitizer as opposed to incorporating water tank, which provides better hygiene for the user as the quality of the water inside the water tank itself is questionable because user can put ashes into the water tank. This further benefits the portable toilet supplier as it reduces assembly time, maintenance issue and cost of filling the water tank. Through eliminating the water tank, the space inside the toilet is further maximised. Furthermore, the use of waterless sanitizer means that no water is used in this toilet. 2. Improving the design of toilet seat & waste tank. The toilet seat has been designed as to allow less-able user to stand up easily as there are problems with straining particularly with sitting down and getting up. Steps and anti slip floor is further incorporated. 3. Incorporating rubbish bin for waste management. In the existing portable toilets, no rubbish bin is provided which prompts user to throw the rubbish into the waste tank which causes problems. 4. Incorporating light so that the toilet can be used at nighttime. Bright colours such as orange is utilized to allow the internal unit to be lighter during daytime and to differentiate the product from existing portable toilets which are mostly blue, grey, or green. 5. Signage of vacancy is improved by providing a larger size signage. Rotational moulding is used for the main parts (wall, door, waste tank, and roof) as it provides strength, toughness, and durability; whilst the tooling cost is relatively inexpensive. The material used for the main parts is High Density Polyethylene with UV stabilised colour fastness. The design of the parts reduces assembly cost and allows part to be replaceable. Overall, Stak provides innovation and improvement to the current portable toilet for events. This is further offered at a reasonable price. |
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