
Lean systeM 209
Requirements explosion: e process of calculating the demand for the components of a
parent item by multiplying the parent item requirements by the component usage quantity
specified in the bill of material. Syn: explosion.
—APICS Dictionary, 12th edition
e result of this explosion is the requirements by date for each item in the value
stream. e requirements for each item should be grouped into intervals for each item,
giving a complete picture of when each item will need to be produced or purchased.
is information is then used to help calculate the capacity requirements of the value
stream, provide suppliers with volume