1. Introduction to Agriculture, Food, and Natural Resources
Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
Curriculum for Agricultural Science Education Copyright 2011

2. Introduction to Agriculture, Food, and Natural Resources
Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
Introduction to Agriculture, Food, and Natural Resources
Bill of Materials
Unit 6 – Lesson 6.4 How It’s Made
Curriculum for Agricultural Science Education Copyright 2011

3. Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
Bill of Materials
A list and description of all materials to be assembled and used in the building of a project.
Used to estimate the total cost of a project.
Curriculum for Agricultural Science Education Copyright 2011

4. A bill of materials includes…
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
A bill of materials includes…
Item
Refers to a specific piece of the project.
For example: Nails, Screws, Hinges or Paint
Number of Units
The quantity of the particular item needed.
Careful, items may be packaged individually or in multiples. Record the number of units needed.
For example: You need 8 screws. If they are not sold individually, you will need to buy a package containing at least 8 screws.
Curriculum for Agricultural Science Education Copyright 2011

5. A bill of materials includes…
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
A bill of materials includes…
Description and Type of Material
Provides more information on the make up of the item.
For example: Steel screws
Curriculum for Agricultural Science Education Copyright 2011

6. A bill of materials includes…
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
A bill of materials includes…
Size of Item
Materials come in various sizes.
Designating a particular size helps to keep your list of materials accurate
Total Feet
Items, such as lumber, are sold in predetermined dimensions.
You will need to determine the total height, width, and length of lumber needed, then determine what is available through your retailer.
Curriculum for Agricultural Science Education Copyright 2011

7. Lumber Dimensions Common lumber dimensions:
Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
Lumber Dimensions
Common lumber dimensions:
1”x 6”
1”x 8”
1”x 10”
1”x 12”
2”x 4”
Above dimensions are typically available in 8’, 10’, 12’, 16’ and 20’ lengths
2”x 6”
2”x 8”
2”x 10”
2”x 12”
4”x 6”
Curriculum for Agricultural Science Education Copyright 2011

8. A bill of materials includes…
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
A bill of materials includes…
Unit Cost
The cost of each item.
For example: Individual screws might cost $0.10 each, whereas 1 package of 12 screws might cost $1.20.
Remember, items may be purchased individually or in multiples. Refer to the number of units, and be sure you have the correct number of packages or individual items you need.
Curriculum for Agricultural Science Education Copyright 2011

9. A bill of materials includes…
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
A bill of materials includes…
Total Cost per Item
The total cost per item is determined by multiplying the unit cost by the number of units needed.
For example: 8 screws at $0.10 each would equal $0.80.
Curriculum for Agricultural Science Education Copyright 2011

10. Project Cost The sum total of the cost of all items.
Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
Project Cost
The sum total of the cost of all items.
Helps determine budget and expected costs
Curriculum for Agricultural Science Education Copyright 2011

11. Bill of Materials
Introduction to Agriculture, Food, and Natural Resources
Unit 6 Lesson 6.4 How It’s Made
References
Herren, R. V., & Cooper, E. L. (2010). Agricultural mechanics: Fundamentals & applications (6th ed.). Albany, NY: Delmar.
Curriculum for Agricultural Science Education Copyright 2011