How long will it take to build a practice facility?

[ruready4somefootball_rivals]

The moment Hobbs gets the go ahead, with enough funds to put shovel to the ground, whats a realistic time frame to completion? Whomever is the next HC is,he will need to answer this question when recruits ask it. With that in mind, I feel well thought out renovations by a well respected Engineering firm, could keep the RAC an Arena that won't hurt recruiting in the least. Get another 20 years out of it, with an eye on a future facility built in an adjacent area.