The way I usually do it goes like this:
Strike 5.00 for a temp of 150F. Let it sit for 60min.
Add 2.00 Gal at 209F. Let it sit for 15 min.
Drain to brew kettle.
Add 6.00 Gal at 170F. Let sit for 15 min.
Drain to Brew Kettle, and begin boil.
Would you call it a Single Infusion...