AG #3 - ISO Standard Stout

Hoping to brew this up at the weekend. It is based on a recipe from O'Flainnegain over on HomeBrewChatter.com. This will not only be my first time brewing a stout, it will hopefully also be my first time using my new mash tun (if it gets delivered before the weekend!).

Standard Stout

13-B Sweet Stout
Author: O'Flainnegain/Mark

Size: 23.04 L
Efficiency: 75%
Attenuation: 75.0%
Calories: 155.11 kcal per 12.0 fl oz
Original Gravity: 1.047 (1.044 - 1.060)
Terminal Gravity: 1.012 (1.012 - 1.024)
Alcohol: 4.59% (4.0% - 6.0%)
Bitterness: 20.6 (20.0 - 40.0)

Ingredients:

3270.0 g Maris Otter
550.0 g Barley Flaked
550.0 g Carapils®/Carafoam®
415.0 g Roasted Barley
275.0 g Chocolate 1060 EBC
38.0 g Goldings (5.0%) - added during boil, boiled 60 min
1.0 tsp Irish Moss - added during boil, boiled 15 min
1.0 ea WYeast 1084 Irish Alea