BOM Structure

Hi Guys,
I will have 80% of technical specs available(for the product X at the time of Sale order creation)
Based on the technical specs product can be broadly classified as X,Y,Z but inturn in the assembly they have variants
I will know how much & what to make for next 3 months
The remaining technical Specs will be received during the course of production execution
Products X,Y,Z has 6-8 assembly stages
We are going to maintain only production BOM ,no Sale order BOM
Now how can I maintain my BOM structure?
What i have thought is maintain a basic bom structure & in the production order manually i will add the necessarybom
But that seems not pragmatic as i have to also add the routing manually for the bom's which i will add,How best can i approach & maintain master bom?

Vijai,
As discussed earlier your sub-assembles can be manufactured based on forecast using strategy 70. There is no problem in this.
For the FG you say thre could be variations. Since you are not implementing variant configuration you could consider creating production versions each of which presents the BoM and the related routing. At the time of actual orders receipt before prod execution choose the required prod version. Yes this will become very complicated if many variants are there. The ideal situation in that case would be variant confuguration.
But going by prod version would be better than manual maintenance.
Hope this makes some sense.
regards
Ram

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