2. Definition Explained
• Basically, a bill of material (BOM) is a
complete list of the components making up
an object or assembly.
• It is also part of material requirements
planning (MRP)
3. Types of BOMs
• Standard BOM
• Model BOM
• Option class BOM
• Planning BOM
• Engineering BOM
4. What information is on a BOM?
1. Quantity
2. Item ID#
3. Description of Item
4. Cost of Item
5. Total Project Cost
5. Quantity
• Tells user how many of each part is needed
for each project
• Example:
– A chair needs 1 seat, 4 legs, 1 back, and 5 nails.
6. Item ID #
• Tells us which part to order
• Can be any of the following:
– Catalog number, UPC, or any other identification
number.
• Example:
– The chair needs a 2PC seat, 5DR legs, 6TU8 back, and 1
inch nails.
8. Cost of Item
• Cost is included to show how much each part is
per item and the total cost of all like parts.
• Example:
– The cost of a leg is $5 per leg. Then the total price of
the legs ordered would be $20 because there are 4
legs.
9. Total Project Cost
• Shows the total cost of all items and is also the
total cost of the direct materials used in the
project.
• Example:
– Seat-$10, Back-$5, Leg-$5 per leg, Nail-$.5 per nail
– Total Cost of a chair = 10 + 5 + 5*4 + .5*5 = $37.50
