A manufacturing process management (MPM) computer device is provided. The MPM computer device is configured to store a first version of a product and a second version of the product. The second version includes the first plurality of parts, the second plurality of parts, and a third plurality of parts associated with the plug. The first location is between the first plurality of locations and the second plurality of locations. The MPM computer device is also configured to calculate a first numbering system, calculate a second numbering system for a third plurality of locations associated with the third plurality of parts, determine a first grid overlay for the first version of the product based on the first numbering system, determine a second grid overlay for the second version of the product based on the first numbering system and the second numbering system.