Dark Night Imperial Porter 2.0

This is my second attempt at cloning Old Viscosity, the first of which was an extract recipe posted on here that turned out very well for me. Now that I do all-grain, I thought I would revisit it.

Brewer:	Tuba Tony		Email:	ahalloin@yahoo.com
Beer:	Dark Night Imperial Porter 2.0		Style:	Robust Porter
Type:	All grain		Size:	5.5 gallons
Color:	113 HCU (~38 SRM)		Bitterness:	62 IBU
OG:	1.094		FG:	1.014
Alcohol:	10.4% v/v (8.1% w/w)
Water:	Used filtered Arlington County water. Added 1/4 tsp. of gypsum for minerals.
Grain:	2 lb. American 2-row 4 lb. Wheat malt 8 oz. American crystal 80L 8 oz. British crystal 60 6 oz. American chocolate 6 oz. Belgian chocolate 6 oz. Carafa III 13 lb. British pale
Mash:	66% efficiency
	Mashed for 90 min. at 152°F.
Boil:	90 minutes	SG 1.073	7.15 gallons
	Irish Moss @ 15 min. Wyeast Nutrient @ 10 min.
Hops:	1.5 oz. Yakima Magum (13.1% AA, 60 min.) .25 oz. Yakima Magum (13.1% AA, 15 min.) .25 oz. Yakima Magum (13.1% AA, 5 min.)
Yeast:	Pitched a massive starter of Wyeast 1056 from a previous batch.

Recipe posted 09/25/10.