Durum Bread

Today's bake: Durum Bread
Source: Bread - A Baker's Book of Techniques and Recipes - Jeffery Hamelman
Note: Increased TDW from 1.827kg to 2.000kg
Discussion:
Left loaf was baked in the Challenger bread pan, the right loaf on a baking steel.
This is my first attempt baking this bread. I found this to be a fairly straight forward bread to make despite the use two pre-ferments.