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Terra Creations |
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Needs, Constraints, and Specs: |
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Constraints: Size Cost- Budget approval by Potting Shed Creations Easy to use Low Maintenance High Durability Low Noise |
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Deliverables: Constructed and Tested Soil Proportioner Machine |
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Needs List (A): Way of automating soil portion Must be easy to use Low maintenance Safety Works well with integration into existing production line Easily re-producible Minimize production time Minimize labor cost Easy to clean Minimize wasting product Once soil is proportioned have a way to get it in packaging Alternate proportion sizes, change from 1.5,2,4,6,14 cups |
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Needs List (B): Efficient design Vacuum sealer Moveable so it can move with production lines Minimize Noise for production Durable Have a way of keeping soil from getting jammed in parts Easy to use instructions Effective operation communication Easy to troubleshoot if malfunctions occurs Accuracy tolerance for proportion sizes Convenient Soil loading for operator Way to notify operator when soil is low Soil Compactor |
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Specs: |
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Type |
Measurable Spec |
Priority (must, should, wish) |
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Safety |
<1 injury per month |
Must |
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Production time |
< 7 seconds |
Must |
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Easy to clean |
< 30 minutes cleaning per month |
Should |
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Labor Cost |
< $0.75 per bag |
Must |
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Easy to use instructions |
Understood by all workers |
Wish |
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Accurate portion sizing |
5% Tolerance |
Must |
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Maintenance |
< 4 hrs a month |
Wish |
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Minimize product waste |
< 1 cup per week |
Should |
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Alternate proportion sizes |
Able to proportion 2,4,5,6, and 14 cups |
Wish |
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Size |
< 6’x5’x5’ |
Must |
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Noise |
< Voice level, so employees can communicate w/o yelling |
Must |
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Indicator when soil is low |
When soil hopper is at 20% capacity a light turns |
Should |
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Cost |
< $10,000 |
Must |