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Capstone Step 3

The document compares three options for a solar-powered picnic table. It assigns weighted scores to criteria like durability, cost, power supply, comfort, and accessibility. Option 1 is an 8-seat round table made of recycled plastic. Option 2 is a 6-seat hexagonal table made of recycled plastic with an umbrella option. Option 3 is an 8-seat square table made of reclaimed wood. Based on the scoring, Option 3 is recommended, but elements of the different options could be combined to create one improved design.

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0% found this document useful (0 votes)
43 views3 pages

Capstone Step 3

The document compares three options for a solar-powered picnic table. It assigns weighted scores to criteria like durability, cost, power supply, comfort, and accessibility. Option 1 is an 8-seat round table made of recycled plastic. Option 2 is a 6-seat hexagonal table made of recycled plastic with an umbrella option. Option 3 is an 8-seat square table made of reclaimed wood. Based on the scoring, Option 3 is recommended, but elements of the different options could be combined to create one improved design.

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api-510882133
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Option 1 Option 2 Option 3

-​8 seater, round, made out of -6 seater, umbrella option 2, -8 seater, umbrella option 4,
recycled plastic, electronics electronic option 2, hexagon square shape, electronic
option , and umbrella option 1 shape, made out of recycled option 2, made out of
plastic reclaimed wood.

Weight Value 1 Wt X Val​1 Value 2 Wt X Val​2 Value 3 Wt X Val​3

Durability of .20 7 1.4 7 1.4 8 1.6


materials

Cheap to .20 2 0.4 4 .8 3 .6


manufacture

Has enough power to .20 5 1 6 1.2 5 1


charge about 2
devices per person

Comfortable .15 5 0.75 6 .9 7 1.05

Ease of use/ not to .15 8 1.2 6 .9 7 1.05


many components

Seats can be taken .10 10 1 10 1 10 1


away for
handicapped

Total 1.00 5.75 6.2 6.3

❏ Durability of materials was weighted as 20% because we want the table to last a
long time, and if it can not withstand being in the weather, it will not last
❏ Cheap to manufacture was weighted as 20% because this was very important to
the people surveyed. However it will be had to keep costs down as solar panels
are very expensive
❏ Has enough power to charge about 2 devices per person was weighted at 20%
because out of the people surveyed, many said they will charge around 2
devices at one time
❏ Comfortableness was weighted at 15% because if the table was not comfortable,
no one would want to sit there
❏ Ease of use was weighted at 15% because if the table is to confusing to use, no
one will want to use it
❏ Seats for handicapped was weighted at 10% as a smaller proportion of society is
handicapped and all of our designs can be altered to accommodate them
Option 1
● Durability - We assigned a 7 to it because plastics can wear over time faster than
wood when exposed to weather
● Cheap to manufacture - An 8 seater would be more expensive as it is bigger than
a 6 seater
● Has enough power - we gave is a 5 because there are only 12 outlets for 8
people and we want closer to 2 outlets per person
● Comfortable - We gave this a 5 because there is no back rest, and that was
something a lot of people wanted in the survey
● Ease of use - This got an 8 because there were not to many extra features so it
would be easier for a person to use
● Seats for handicapped - this got a 10 because the design allows for a bench to
be taken away for handicapped
Option 2
● Durability - We assigned an 8 to it because wood lasts longer than plastic when
exposed to the elements
● Cheap to manufacture - A 6 seater is cheaper to manufacture as there is less
materials that goes into it
● Has enough power - We gave this a 6 because there are 10 outlets for 6 people
which is closer to 2 outlets per person
● Comfortable - We gave this a 6 because there is a backrest, but the seats don’t
conform to the body
● Ease of use - This got a 6 because there are many different features that can
confuse the user
● Seats for handicapped - this got a 10 because the design allows for a bench to
be taken away for handicapped
Option 3
● Durability - We assigned a 7 to it because plastics can wear over time faster than
wood when exposed to weather
● Cheap to manufacture - An 8 seater would be more expensive as it is bigger than
a 6 seater
● Has enough power - We gave is a 5 because there are only 10 outlets for 8
people and we want closer to 2 outlets per person
● Comfortable - We gave this a 7 because there is a backrest, and the seats are
suppose to be comfortable to sit in for a long time
● Ease of use - This got a 7 because there are a few different features that can
confuse the user
● Seats for handicapped - this got a 10 because the design allows for a bench to
be taken away for handicapped
Analysis
Based on our decision matrix we should go with option 3, however as all of our totals
were relatively close to each other we will take various elements from the different
tables to create one better table.

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