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Customer order specifications

Customers can choose between 2 different corn seed types

Customers can choose between 2 different corn seed sizes for each corn seed type

Customers can choose how they want their order packaged, either in bags or boxes

Customers can specify the weight of corn seeds they wish to order, from 10 to 100 pounds.

Current Factory setting
Bulk Storage
- Release corn seeds
- Max transfer rate of 240 pounds/hour to sizer 
Sizer 1 
- Separates seeds into 2 different seed sizes
- Max capacity of 120 pounds
- Takes in 40 pounds of seed size 1 and 65 pounds of seed size 2
Sizer 2 
- Separates seeds into 2 different seed sizes
- Max capacity of 120 pounds
- Takes in 40 pounds of seed size 1 and 65 pounds of seed size 2
Sized Seed Bin 1
- Accepts only seed size 1 
- Accepts max 300 pounds of seeds
Sized Seed Bin 2
- Accepts only seed size 1 
- Accepts max 500 pounds of seeds
Sized Seed Bin 3
- Accepts only seed size 2
- Accepts max 250 pounds of seeds
Sized Seed Bin 4
- Accepts only seed size 2
- Accepts max 300 pounds of seeds
Sized Seed Bin 5
- Accepts any seed size
- Accepts max 500 pounds of seeds
Sized Seed Bin 1
- Accepts only seed size 1 
- Accepts max 300 pounds of seeds
Sized Seed Bin 2
- Accepts only seed size 1 
- Accepts max 500 pounds of seeds
Sized Seed Bin 3
- Accepts only seed size 2
- Accepts max 250 pounds of seeds
Sized Seed Bin 4
- Accepts only seed size 2
- Accepts max 300 pounds of seeds
Sized Seed Bin 5
- Accepts any seed size
- Accepts max 500 pounds of seeds
Conveyor - Receives corn from sized seed bins 
Conveyor - Receives corn from sized seed bins 

Treater 1

- Processing time of 70 seconds 

- Uptime of 15 to 25h following a triangular distribution

- Cleaning time follows a uniform distribution of 15 to 20 minutes

Treater 2

- Processing time of 70 seconds 

- Uptime of 15 to 25h following a triangular distribution

- Cleaning time follows a uniform distribution of 15 to 20 minutes

Treater 3

- Processing time of 70 seconds 

- Uptime of 15 to 25h following a triangular distribution

- Cleaning time follows a uniform distribution of 15 to 20 minutes

Treated Seed Bin 1

- Capacity of 200 pounds of corn 

Treated Seed Bin 2

- Capacity of 200 pounds of corn 

Treated Seed Bin 3

- Capacity of 200 pounds of corn 

Treated Seed Bin 4

- Capacity of 200 pounds of corn 

Box packing line
- 4 pounds of seeds
- Uniform set up time between 16 to 24 minutes
- Packing done at a rate of 3 pounds per minute
Bag packing line
- 0.1 pounds of seeds
- Uniform set up time between 3 to 5 minutes
- Bagging done at a rate of 2 pounds per minute
Operation management
Transit times between different parts of factory
- Treater bins to packing line: 7.5 minutes
- Seed bin to treater: 3 minutes
- Bulk storage to each sizer: 10 minutes
Cleaning time of sizer and sized seed bins 
- Batches having different seed varieties: Triangular distribution of minimum 55 minutes and maximum 75 minutes
- Batches having same seed varieties: Triangular distribution of minimum 20 minutes and maximum 30 minutes
​
Minimum weight for splitting seeds of an order into each sizer: 60 pounds
Our Task
1. Model the factory's current operation using the SIMIO software
2. Given that the factory only has the means of changing the number of treaters present, determine if by increasing or decreasing the number of treaters would impact the efficiency of production
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