I think I recently made just the recipe you have. It was WILD while brewing. I had to use a blowoff hose .. the fermentation lock couldn't hack it. And the time for fermenting, from primary fermentation to secondary were both about doubled. I had it in the primary for about 2 weeks, and the secondary for about three. But let me tell you, this is a wonderful brew.
I'm enjoying it now and I'm told it gets even better with age. With mine, I dry hopped also (added hops to the secondary for aroma). I think you are going to love your batch. Enjoy!! I'm now brewing an IPA ... but next .... it's going to be a Barleywine. Only I loved the roasted barley flavor so much, I'm gonna just have to add some to the barleywine. Hey ... I don't care if barleywines aren't supposed to have roast in it. Just tasted so fantastic to me in the stout. Good luck on your brew t1master. Let us know how it come out.