Big English Barleywine

Just bought an English barleywine kit at my local homebrew shop and had planned to just make it today, but plans changed, so I have a little more time to think about it. Was looking to make a Barleywine, like some of the big, thick ones I have been enjoying recently (Insanity, Naked Evil, Sucaba - I understand these are BBA, Double Bastard). This will be my fourth batch ever, and I'm looking if there is anything here I should supplement the kit with.

Here's the kit:
75 minute boil
12lb Mountmellick LME (3 cans, add 1 to start, add two after 20 minutes)
.5 lb Munton's Carapils Malt
.5 lb Hugh Baird Crystal Malt
.5 lb Thomas Fawcett Crystal Malt

2 oz Challenger (start boil)
1 oz Bramling (start boil)
1 oz Pilgrim (65 mins in)
1 oz Pilgrim (73 min in)

Yeasts: I altered it here, would have been 2 x WLP013 London Ale Yeast
I got
1x WLP013 London Ale Yeast
1x WLP500 Trappist Ale Yeast
with the thought that I will split the batch into 2 ale pail fermentors and make half of it a belgian barleywine.

OG: 1.085
FG: 1.024
Alcohol: 8%

If I'm looking to make one of these thicker, sweeter barleywines, am I on the right track? Anything I should/could add?

Also, planning to pull some of the batch and experiment with bourbon oak chips to learn as much as possible with this batch...TBD. Thanks!