Reconstruction takes on many forms and is done for many reasons.
You may decide to renovate the vine, trellis, irrigation or remove the lot and start from scratch. The reason is usually your vineyard is producing well below its potential.
Wherever you choose, do your homework. Make the project work on paper first.
Doing it this way you have the opportunity to play out 3 or 4 scenarios to see what suits you or the company you work for.
If you get stuck for ideas get help there’s plenty of people that have experience that would be happy to share their knowledge, all you need to do is ask.